diff --git a/.github/workflows/lint.sh b/.github/workflows/lint.sh
index 66f2d362d5..bdf5f1d59c 100755
--- a/.github/workflows/lint.sh
+++ b/.github/workflows/lint.sh
@@ -49,15 +49,15 @@ clippy_no_features examples/shaders/simplest-shader
 # which could be disastrous because env vars access can't be tracked by
 # `rustc`, unlike its CLI flags (which are integrated with incremental).
 if (
-    egrep -r '::\s*env|env\s*::' crates/rustc_codegen_spirv/src |
+    grep -E -r '::\s*env|env\s*::' crates/rustc_codegen_spirv/src |
     # HACK(eddyb) exclude the one place in `rustc_codegen_spirv`
     # needing access to an env var (only for codegen args `--help`).
-    egrep -v '^crates/rustc_codegen_spirv/src/codegen_cx/mod.rs:            let help_flag_comes_from_spirv_builder_env_var = std::env::var\(spirv_builder_env_var\)$' |
+    grep -E -v '^crates/rustc_codegen_spirv/src/codegen_cx/mod.rs:            let help_flag_comes_from_spirv_builder_env_var = std::env::var\(spirv_builder_env_var\)$' |
     # HACK(LegNeato) exclude logging. This mirrors `rustc` (`RUSTC_LOG`) and 
     #`rustdoc` (`RUSTDOC_LOG`).
     # There is not a risk of this being disastrous as it does not change the build settings.
-    egrep -v '^crates/rustc_codegen_spirv/src/lib.rs:.*(RUSTGPU_LOG|RUSTGPU_LOG_FORMAT|RUSTGPU_LOG_COLOR).*$' |
-    egrep -v '^crates/rustc_codegen_spirv/src/lib.rs:    use std::env::{self, VarError};$'
+    grep -E -v '^crates/rustc_codegen_spirv/src/lib.rs:.*(RUSTGPU_LOG|RUSTGPU_LOG_FORMAT|RUSTGPU_LOG_COLOR).*$' |
+    grep -E -v '^crates/rustc_codegen_spirv/src/lib.rs:    use std::env::{self, VarError};$'
 
 ); then
     echo '^^^'
diff --git a/crates/rustc_codegen_spirv/src/codegen_cx/mod.rs b/crates/rustc_codegen_spirv/src/codegen_cx/mod.rs
index f3a3828018..1372165095 100644
--- a/crates/rustc_codegen_spirv/src/codegen_cx/mod.rs
+++ b/crates/rustc_codegen_spirv/src/codegen_cx/mod.rs
@@ -337,7 +337,17 @@ pub struct CodegenArgs {
 
 impl CodegenArgs {
     pub fn from_session(sess: &Session) -> Self {
-        match CodegenArgs::parse(&sess.opts.cg.llvm_args) {
+        // Split comma-separated arguments within each llvm_args entry
+        // This handles cases like "--disassemble-fn=foo,--allow-fragment-no-output"
+        let expanded_args: Vec<String> = sess
+            .opts
+            .cg
+            .llvm_args
+            .iter()
+            .flat_map(|arg| arg.split(',').map(|s| s.to_string()))
+            .collect();
+
+        match CodegenArgs::parse(&expanded_args) {
             Ok(ok) => ok,
             Err(err) => sess
                 .dcx()
@@ -420,6 +430,11 @@ impl CodegenArgs {
                 "disables SPIR-V Storage Class inference",
             );
             opts.optflag("", "no-structurize", "disables CFG structurization");
+            opts.optflag(
+                "",
+                "allow-fragment-no-output",
+                "allow fragment shaders with no output operations",
+            );
 
             opts.optmulti(
                 "",
@@ -628,6 +643,7 @@ impl CodegenArgs {
             // FIXME(eddyb) deduplicate between `CodegenArgs` and `linker::Options`.
             spirv_metadata,
             keep_link_exports: false,
+            allow_fragment_no_output: matches.opt_present("allow-fragment-no-output"),
 
             // NOTE(eddyb) these are debugging options that used to be env vars
             // (for more information see `docs/src/codegen-args.md`).
diff --git a/crates/rustc_codegen_spirv/src/linker/mod.rs b/crates/rustc_codegen_spirv/src/linker/mod.rs
index 6b5d7919b1..15d2ad5d88 100644
--- a/crates/rustc_codegen_spirv/src/linker/mod.rs
+++ b/crates/rustc_codegen_spirv/src/linker/mod.rs
@@ -23,7 +23,7 @@ use crate::custom_decorations::{CustomDecoration, SrcLocDecoration, ZombieDecora
 use crate::custom_insts;
 use either::Either;
 use rspirv::binary::{Assemble, Consumer};
-use rspirv::dr::{Block, Loader, Module, ModuleHeader, Operand};
+use rspirv::dr::{Block, Function, Loader, Module, ModuleHeader, Operand};
 use rspirv::spirv::{Op, StorageClass, Word};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_errors::ErrorGuaranteed;
@@ -55,6 +55,9 @@ pub struct Options {
     /// **Note**: currently only used for unit testing, and not exposed elsewhere.
     pub keep_link_exports: bool,
 
+    /// Allow fragment shaders with no output operations (disables Issue #284 validation)
+    pub allow_fragment_no_output: bool,
+
     // NOTE(eddyb) these are debugging options that used to be env vars
     // (for more information see `docs/src/codegen-args.md`).
     pub dump_post_merge: Option<PathBuf>,
@@ -710,6 +713,11 @@ pub fn link(
             dce::dce(output);
         }
 
+        // Validate fragment shaders after DCE to catch silent optimization failures
+        if !opts.allow_fragment_no_output {
+            validate_fragment_shader_outputs(sess, output)?;
+        }
+
         {
             let _timer = sess.timer("link_remove_duplicate_debuginfo");
             duplicates::remove_duplicate_debuginfo(output);
@@ -820,3 +828,161 @@ impl Drop for SpirtDumpGuard<'_> {
         }
     }
 }
+
+/// Validate that fragment shaders have meaningful output operations
+/// This catches the case described in issue #284 where fragment shaders
+/// are optimized to have no output, causing silent rendering failures
+fn validate_fragment_shader_outputs(sess: &Session, module: &Module) -> Result<()> {
+    use rspirv::spirv::{ExecutionModel, Op};
+
+    // Find all fragment entry points
+    for entry in &module.entry_points {
+        if entry.class.opcode == Op::EntryPoint {
+            if let Some(execution_model) = entry.operands.first() {
+                if execution_model.unwrap_execution_model() == ExecutionModel::Fragment {
+                    let function_id = entry.operands[1].unwrap_id_ref();
+                    let entry_name = entry.operands[2].unwrap_literal_string();
+
+                    // Check if this fragment shader has meaningful output operations
+                    if !fragment_shader_writes_output(module, function_id) {
+                        let mut err = sess.dcx().struct_err(format!(
+                            "fragment shader `{}` produces no output",
+                            entry_name
+                        ));
+
+                        err = err.with_help(
+                            "fragment shaders must write to output parameters to produce visible results"
+                        ).with_note(
+                            "use complete assignment like `*out_frag_color = vec4(r, g, b, a)` instead of partial component assignments"
+                        ).with_note(
+                            "partial component assignments may be optimized away if not all components are written"
+                        ).with_note(
+                            "to disable this validation (e.g. for testing), use `--allow-fragment-no-output`"
+                        );
+
+                        // Look for the function to provide better diagnostics
+                        if let Some(func) = module
+                            .functions
+                            .iter()
+                            .find(|f| f.def_id() == Some(function_id))
+                        {
+                            if has_partial_output_writes(module, func) {
+                                err = err.with_note(
+                                    "detected partial component writes (e.g., `out.x = value`) which were optimized away"
+                                ).with_help(
+                                    "write all components at once: `*out_frag_color = vec4(r, g, b, 1.0)`"
+                                ).with_note(
+                                    "alternatively, use `--allow-fragment-no-output` to disable this validation"
+                                );
+                            }
+                        }
+
+                        return Err(err.emit());
+                    }
+                }
+            }
+        }
+    }
+
+    Ok(())
+}
+
+/// Check if a fragment shader function has any meaningful output writes
+fn fragment_shader_writes_output(module: &Module, function_id: Word) -> bool {
+    // Find the function definition
+    let function = match module
+        .functions
+        .iter()
+        .find(|f| f.def_id() == Some(function_id))
+    {
+        Some(func) => func,
+        None => return true, // If function not found, assume it's valid
+    };
+
+    // Check all instructions in the function for output writes
+    for block in &function.blocks {
+        for inst in &block.instructions {
+            if inst.class.opcode == Op::Store {
+                if let Some(target_id) = inst.operands.first().and_then(|op| op.id_ref_any()) {
+                    if is_output_storage_variable(module, target_id) {
+                        return true;
+                    }
+                }
+            }
+
+            // Check function calls recursively
+            if inst.class.opcode == Op::FunctionCall {
+                if let Some(callee_id) = inst.operands.first().and_then(|op| op.id_ref_any()) {
+                    if fragment_shader_writes_output(module, callee_id) {
+                        return true;
+                    }
+                }
+            }
+        }
+    }
+
+    false
+}
+
+/// Check if a fragment shader has partial output writes that might have been optimized away
+fn has_partial_output_writes(module: &Module, function: &Function) -> bool {
+    use rspirv::spirv::Op;
+
+    // Look for AccessChain operations on output variables
+    // This suggests the shader was trying to write individual components
+    for block in &function.blocks {
+        for inst in &block.instructions {
+            if matches!(inst.class.opcode, Op::AccessChain | Op::InBoundsAccessChain) {
+                if let Some(base_id) = inst.operands.first().and_then(|op| op.id_ref_any()) {
+                    if is_output_storage_variable(module, base_id) {
+                        return true;
+                    }
+                }
+            }
+        }
+    }
+
+    false
+}
+
+/// Check if a variable ID refers to an Output storage class variable
+fn is_output_storage_variable(module: &Module, var_id: Word) -> bool {
+    use rspirv::spirv::{Op, StorageClass};
+
+    // Check direct output variables
+    for inst in &module.types_global_values {
+        if inst.result_id == Some(var_id) && inst.class.opcode == Op::Variable {
+            if let Some(storage_class) = inst.operands.first() {
+                return storage_class.unwrap_storage_class() == StorageClass::Output;
+            }
+        }
+    }
+
+    // Check if this is a pointer derived from an output variable
+    for inst in &module.types_global_values {
+        if inst.result_id == Some(var_id)
+            && matches!(inst.class.opcode, Op::AccessChain | Op::InBoundsAccessChain)
+        {
+            if let Some(base_id) = inst.operands.first().and_then(|op| op.id_ref_any()) {
+                return is_output_storage_variable(module, base_id);
+            }
+        }
+    }
+
+    // Check in function bodies for derived pointers
+    for function in &module.functions {
+        for block in &function.blocks {
+            for inst in &block.instructions {
+                if inst.result_id == Some(var_id)
+                    && matches!(inst.class.opcode, Op::AccessChain | Op::InBoundsAccessChain)
+                {
+                    if let Some(base_id) = inst.operands.first().and_then(|op| op.id_ref_any()) {
+                        return is_output_storage_variable(module, base_id);
+                    }
+                }
+            }
+        }
+    }
+
+    false
+}
diff --git a/tests/compiletests/ui/arch/all.rs b/tests/compiletests/ui/arch/all.rs
index 088e07f0a5..1575c30fa8 100644
--- a/tests/compiletests/ui/arch/all.rs
+++ b/tests/compiletests/ui/arch/all.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 #![feature(repr_simd)]
 
diff --git a/tests/compiletests/ui/arch/all.stderr b/tests/compiletests/ui/arch/all.stderr
index beed8baf22..c9dc83fdc7 100644
--- a/tests/compiletests/ui/arch/all.stderr
+++ b/tests/compiletests/ui/arch/all.stderr
@@ -1,7 +1,7 @@
 warning: [Rust-GPU] temporarily re-allowing old-style `#[repr(simd)]` (with fields)
-  --> $DIR/all.rs:16:1
+  --> $DIR/all.rs:17:1
    |
-16 | struct Vec2<T>(T, T);
+17 | struct Vec2<T>(T, T);
    | ^^^^^^^^^^^^^^
    |
    = note: removed upstream by https://github.com/rust-lang/rust/pull/129403
diff --git a/tests/compiletests/ui/arch/any.rs b/tests/compiletests/ui/arch/any.rs
index 9e8e1d2f3f..da1ec13dca 100644
--- a/tests/compiletests/ui/arch/any.rs
+++ b/tests/compiletests/ui/arch/any.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 #![feature(repr_simd)]
 
diff --git a/tests/compiletests/ui/arch/any.stderr b/tests/compiletests/ui/arch/any.stderr
index c01af8f3ba..df53931a56 100644
--- a/tests/compiletests/ui/arch/any.stderr
+++ b/tests/compiletests/ui/arch/any.stderr
@@ -1,7 +1,7 @@
 warning: [Rust-GPU] temporarily re-allowing old-style `#[repr(simd)]` (with fields)
-  --> $DIR/any.rs:16:1
+  --> $DIR/any.rs:17:1
    |
-16 | struct Vec2<T>(T, T);
+17 | struct Vec2<T>(T, T);
    | ^^^^^^^^^^^^^^
    |
    = note: removed upstream by https://github.com/rust-lang/rust/pull/129403
diff --git a/tests/compiletests/ui/arch/control_barrier.rs b/tests/compiletests/ui/arch/control_barrier.rs
index 4947f4f19e..8586876e51 100644
--- a/tests/compiletests/ui/arch/control_barrier.rs
+++ b/tests/compiletests/ui/arch/control_barrier.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 #![feature(adt_const_params)]
 #![allow(incomplete_features)]
diff --git a/tests/compiletests/ui/arch/debug_printf.rs b/tests/compiletests/ui/arch/debug_printf.rs
index e396b2f538..8f153c92f1 100644
--- a/tests/compiletests/ui/arch/debug_printf.rs
+++ b/tests/compiletests/ui/arch/debug_printf.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // compile-flags: -Ctarget-feature=+ext:SPV_KHR_non_semantic_info
 
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/arch/debug_printf_type_checking.rs b/tests/compiletests/ui/arch/debug_printf_type_checking.rs
index 5efe7ecd3a..bc87b8b214 100644
--- a/tests/compiletests/ui/arch/debug_printf_type_checking.rs
+++ b/tests/compiletests/ui/arch/debug_printf_type_checking.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 // normalize-stderr-test "\S*/crates/spirv-std/src/" -> "$$SPIRV_STD_SRC/"
 // compile-flags: -Ctarget-feature=+ext:SPV_KHR_non_semantic_info
diff --git a/tests/compiletests/ui/arch/debug_printf_type_checking.stderr b/tests/compiletests/ui/arch/debug_printf_type_checking.stderr
index b8ce41a270..9543a0721b 100644
--- a/tests/compiletests/ui/arch/debug_printf_type_checking.stderr
+++ b/tests/compiletests/ui/arch/debug_printf_type_checking.stderr
@@ -1,76 +1,76 @@
 error: Unterminated format specifier: missing type after precision
-  --> $DIR/debug_printf_type_checking.rs:11:23
+  --> $DIR/debug_printf_type_checking.rs:12:23
    |
-11 |         debug_printf!("%1");
+12 |         debug_printf!("%1");
    |                       ^^^^
 
 error: Unterminated format specifier: missing type after decimal point
-  --> $DIR/debug_printf_type_checking.rs:12:23
+  --> $DIR/debug_printf_type_checking.rs:13:23
    |
-12 |         debug_printf!("%1.");
+13 |         debug_printf!("%1.");
    |                       ^^^^^
 
 error: Unrecognised format specifier: '.'
-  --> $DIR/debug_printf_type_checking.rs:13:23
+  --> $DIR/debug_printf_type_checking.rs:14:23
    |
-13 |         debug_printf!("%.");
+14 |         debug_printf!("%.");
    |                       ^^^^
 
 error: Unrecognised format specifier: '.'
-  --> $DIR/debug_printf_type_checking.rs:14:23
+  --> $DIR/debug_printf_type_checking.rs:15:23
    |
-14 |         debug_printf!("%.1");
+15 |         debug_printf!("%.1");
    |                       ^^^^^
 
 error: Unterminated format specifier: missing type after fraction precision
-  --> $DIR/debug_printf_type_checking.rs:15:23
+  --> $DIR/debug_printf_type_checking.rs:16:23
    |
-15 |         debug_printf!("%1.1");
+16 |         debug_printf!("%1.1");
    |                       ^^^^^^
 
 error: Missing vector dimensions specifier
-  --> $DIR/debug_printf_type_checking.rs:16:23
+  --> $DIR/debug_printf_type_checking.rs:17:23
    |
-16 |         debug_printf!("%1.1v");
+17 |         debug_printf!("%1.1v");
    |                       ^^^^^^^
 
 error: Invalid width for vector: 5
-  --> $DIR/debug_printf_type_checking.rs:17:23
+  --> $DIR/debug_printf_type_checking.rs:18:23
    |
-17 |         debug_printf!("%1.1v5");
+18 |         debug_printf!("%1.1v5");
    |                       ^^^^^^^^
 
 error: Missing vector type specifier
-  --> $DIR/debug_printf_type_checking.rs:18:23
+  --> $DIR/debug_printf_type_checking.rs:19:23
    |
-18 |         debug_printf!("%1.1v2");
+19 |         debug_printf!("%1.1v2");
    |                       ^^^^^^^^
 
 error: Unrecognised vector type specifier: 'r'
-  --> $DIR/debug_printf_type_checking.rs:19:23
+  --> $DIR/debug_printf_type_checking.rs:20:23
    |
-19 |         debug_printf!("%1.1v2r");
+20 |         debug_printf!("%1.1v2r");
    |                       ^^^^^^^^^
 
 error: Unrecognised format specifier: 'r'
-  --> $DIR/debug_printf_type_checking.rs:20:23
+  --> $DIR/debug_printf_type_checking.rs:21:23
    |
-20 |         debug_printf!("%r", 11_i32);
+21 |         debug_printf!("%r", 11_i32);
    |                       ^^^^
 
 error[E0308]: mismatched types
-   --> $DIR/debug_printf_type_checking.rs:21:29
+   --> $DIR/debug_printf_type_checking.rs:22:29
     |
-21  |         debug_printf!("%f", 11_u32);
+22  |         debug_printf!("%f", 11_u32);
     |         --------------------^^^^^^-
     |         |                   |
     |         |                   expected `f32`, found `u32`
     |         arguments to this function are incorrect
     |
 help: the return type of this call is `u32` due to the type of the argument passed
-   --> $DIR/debug_printf_type_checking.rs:21:9
+   --> $DIR/debug_printf_type_checking.rs:22:9
     |
-21  |         debug_printf!("%f", 11_u32);
+22  |         debug_printf!("%f", 11_u32);
     |         ^^^^^^^^^^^^^^^^^^^^------^
     |                             |
     |                             this argument influences the return type of `spirv_std`
@@ -82,22 +82,22 @@ note: function defined here
     = note: this error originates in the macro `debug_printf` (in Nightly builds, run with -Z macro-backtrace for more info)
 help: change the type of the numeric literal from `u32` to `f32`
     |
-21  |         debug_printf!("%f", 11_f32);
+22  |         debug_printf!("%f", 11_f32);
     |                                ~~~
 
 error[E0308]: mismatched types
-   --> $DIR/debug_printf_type_checking.rs:22:29
+   --> $DIR/debug_printf_type_checking.rs:23:29
     |
-22  |         debug_printf!("%u", 11.0_f32);
+23  |         debug_printf!("%u", 11.0_f32);
     |         --------------------^^^^^^^^-
     |         |                   |
     |         |                   expected `u32`, found `f32`
     |         arguments to this function are incorrect
     |
 help: the return type of this call is `f32` due to the type of the argument passed
-   --> $DIR/debug_printf_type_checking.rs:22:9
+   --> $DIR/debug_printf_type_checking.rs:23:9
     |
-22  |         debug_printf!("%u", 11.0_f32);
+23  |         debug_printf!("%u", 11.0_f32);
     |         ^^^^^^^^^^^^^^^^^^^^--------^
     |                             |
     |                             this argument influences the return type of `spirv_std`
@@ -109,13 +109,13 @@ note: function defined here
     = note: this error originates in the macro `debug_printf` (in Nightly builds, run with -Z macro-backtrace for more info)
 help: change the type of the numeric literal from `f32` to `u32`
     |
-22  |         debug_printf!("%u", 11u32);
+23  |         debug_printf!("%u", 11u32);
     |                               ~~~
 
 error[E0277]: the trait bound `{float}: Vector<f32, 2>` is not satisfied
-   --> $DIR/debug_printf_type_checking.rs:23:9
+   --> $DIR/debug_printf_type_checking.rs:24:9
     |
-23  |         debug_printf!("%v2f", 11.0);
+24  |         debug_printf!("%v2f", 11.0);
     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Vector<f32, 2>` is not implemented for `{float}`
     |
     = help: the following other types implement trait `Vector<T, N>`:
@@ -139,18 +139,18 @@ note: required by a bound in `debug_printf_assert_is_vector`
     = note: this error originates in the macro `debug_printf` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0308]: mismatched types
-   --> $DIR/debug_printf_type_checking.rs:24:29
+   --> $DIR/debug_printf_type_checking.rs:25:29
     |
-24  |         debug_printf!("%f", Vec2::splat(33.3));
+25  |         debug_printf!("%f", Vec2::splat(33.3));
     |         --------------------^^^^^^^^^^^^^^^^^-
     |         |                   |
     |         |                   expected `f32`, found `Vec2`
     |         arguments to this function are incorrect
     |
 help: the return type of this call is `Vec2` due to the type of the argument passed
-   --> $DIR/debug_printf_type_checking.rs:24:9
+   --> $DIR/debug_printf_type_checking.rs:25:9
     |
-24  |         debug_printf!("%f", Vec2::splat(33.3));
+25  |         debug_printf!("%f", Vec2::splat(33.3));
     |         ^^^^^^^^^^^^^^^^^^^^-----------------^
     |                             |
     |                             this argument influences the return type of `spirv_std`
diff --git a/tests/compiletests/ui/arch/demote_to_helper_invocation.rs b/tests/compiletests/ui/arch/demote_to_helper_invocation.rs
index 862b1f4a6b..a581190bb3 100644
--- a/tests/compiletests/ui/arch/demote_to_helper_invocation.rs
+++ b/tests/compiletests/ui/arch/demote_to_helper_invocation.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 //
 // compile-flags: -C target-feature=+DemoteToHelperInvocationEXT,+ext:SPV_EXT_demote_to_helper_invocation
 
diff --git a/tests/compiletests/ui/arch/derivative.rs b/tests/compiletests/ui/arch/derivative.rs
index 06b63ab154..947ec02a2c 100644
--- a/tests/compiletests/ui/arch/derivative.rs
+++ b/tests/compiletests/ui/arch/derivative.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=derivative::derivative
+// compile-flags: -C llvm-args=--disassemble-fn=derivative::derivative,--allow-fragment-no-output
 
 use spirv_std::arch::Derivative;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/arch/derivative_control.rs b/tests/compiletests/ui/arch/derivative_control.rs
index 3ff44dc4b4..5ca9852229 100644
--- a/tests/compiletests/ui/arch/derivative_control.rs
+++ b/tests/compiletests/ui/arch/derivative_control.rs
@@ -1,6 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+DerivativeControl
-// compile-flags: -C llvm-args=--disassemble-fn=derivative_control::derivative
+// compile-flags: -C llvm-args=--disassemble-fn=derivative_control::derivative,--allow-fragment-no-output
 
 use spirv_std::arch::Derivative;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/arch/index_unchecked.rs b/tests/compiletests/ui/arch/index_unchecked.rs
index e4a6ad9c19..c2a6545a17 100644
--- a/tests/compiletests/ui/arch/index_unchecked.rs
+++ b/tests/compiletests/ui/arch/index_unchecked.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::arch::IndexUnchecked;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/arch/integer_min_and_max.rs b/tests/compiletests/ui/arch/integer_min_and_max.rs
index 3adeb183ab..22cf2e2094 100644
--- a/tests/compiletests/ui/arch/integer_min_and_max.rs
+++ b/tests/compiletests/ui/arch/integer_min_and_max.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::arch::{signed_max, signed_min, unsigned_max, unsigned_min};
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/arch/kill.rs b/tests/compiletests/ui/arch/kill.rs
index 62b2c9b1c2..40924bb93f 100644
--- a/tests/compiletests/ui/arch/kill.rs
+++ b/tests/compiletests/ui/arch/kill.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/arch/memory_barrier.rs b/tests/compiletests/ui/arch/memory_barrier.rs
index 3c6033b910..829d3d49ec 100644
--- a/tests/compiletests/ui/arch/memory_barrier.rs
+++ b/tests/compiletests/ui/arch/memory_barrier.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 #![feature(adt_const_params)]
 #![allow(incomplete_features)]
diff --git a/tests/compiletests/ui/arch/ray_query_confirm_intersection_khr.rs b/tests/compiletests/ui/arch/ray_query_confirm_intersection_khr.rs
index d75c69878c..24b7ec0395 100644
--- a/tests/compiletests/ui/arch/ray_query_confirm_intersection_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_confirm_intersection_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_barycentrics_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_barycentrics_khr.rs
index 4e859c6fea..482a044430 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_barycentrics_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_barycentrics_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_candidate_aabb_opaque_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_candidate_aabb_opaque_khr.rs
index 87376f005c..41bb529b21 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_candidate_aabb_opaque_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_candidate_aabb_opaque_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_front_face_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_front_face_khr.rs
index ba6006988e..af1196b65f 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_front_face_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_front_face_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_geometry_index_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_geometry_index_khr.rs
index 69323141d3..08af2a2ece 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_geometry_index_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_geometry_index_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_instance_custom_index_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_instance_custom_index_khr.rs
index 2dfc5bb17e..4efa322ac9 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_instance_custom_index_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_instance_custom_index_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_instance_id_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_instance_id_khr.rs
index 20b413deec..d5601d8153 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_instance_id_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_instance_id_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_direction_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_direction_khr.rs
index 177490b1b2..35c93ece92 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_direction_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_direction_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_origin_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_origin_khr.rs
index a0ea175b89..8df0ef6ae1 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_origin_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_object_ray_origin_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_object_to_world_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_object_to_world_khr.rs
index ac3f9c3ac7..91b548eaa7 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_object_to_world_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_object_to_world_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_primitive_index_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_primitive_index_khr.rs
index a4f9ab84cc..1d1d739aa5 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_primitive_index_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_primitive_index_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_shader_binding_table_record_offset_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_shader_binding_table_record_offset_khr.rs
index 159c4aa16d..f8a02e5f36 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_shader_binding_table_record_offset_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_shader_binding_table_record_offset_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_t_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_t_khr.rs
index 39cd3dde59..f6362c9095 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_t_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_t_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_intersection_type_khr.rs b/tests/compiletests/ui/arch/ray_query_get_intersection_type_khr.rs
index 39b848003e..3ec1bf4517 100644
--- a/tests/compiletests/ui/arch/ray_query_get_intersection_type_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_intersection_type_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_ray_flags_khr.rs b/tests/compiletests/ui/arch/ray_query_get_ray_flags_khr.rs
index 816e808b93..29e1c675f5 100644
--- a/tests/compiletests/ui/arch/ray_query_get_ray_flags_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_ray_flags_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_ray_t_min_khr.rs b/tests/compiletests/ui/arch/ray_query_get_ray_t_min_khr.rs
index b5c0d82c3f..ef9a0f0bbd 100644
--- a/tests/compiletests/ui/arch/ray_query_get_ray_t_min_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_ray_t_min_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_world_ray_direction_khr.rs b/tests/compiletests/ui/arch/ray_query_get_world_ray_direction_khr.rs
index 1f579e38b5..2451906255 100644
--- a/tests/compiletests/ui/arch/ray_query_get_world_ray_direction_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_world_ray_direction_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_get_world_ray_origin_khr.rs b/tests/compiletests/ui/arch/ray_query_get_world_ray_origin_khr.rs
index f56a47e67b..1bc1727891 100644
--- a/tests/compiletests/ui/arch/ray_query_get_world_ray_origin_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_get_world_ray_origin_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_initialize_khr.rs b/tests/compiletests/ui/arch/ray_query_initialize_khr.rs
index ac2e5f0fab..b6ff60a652 100644
--- a/tests/compiletests/ui/arch/ray_query_initialize_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_initialize_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayTracingKHR,+RayQueryKHR,+ext:SPV_KHR_ray_tracing,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/ray_query_terminate_khr.rs b/tests/compiletests/ui/arch/ray_query_terminate_khr.rs
index 02c5b4fde6..227cd10fda 100644
--- a/tests/compiletests/ui/arch/ray_query_terminate_khr.rs
+++ b/tests/compiletests/ui/arch/ray_query_terminate_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayQueryKHR,+ext:SPV_KHR_ray_query
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec3;
 use spirv_std::ray_tracing::{AccelerationStructure, RayFlags, RayQuery};
diff --git a/tests/compiletests/ui/arch/read_clock_khr.rs b/tests/compiletests/ui/arch/read_clock_khr.rs
index 681388db1b..ea71c8cd13 100644
--- a/tests/compiletests/ui/arch/read_clock_khr.rs
+++ b/tests/compiletests/ui/arch/read_clock_khr.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+Int64,+ShaderClockKHR,+ext:SPV_KHR_shader_clock
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::UVec2;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/arch/vector_extract_dynamic.rs b/tests/compiletests/ui/arch/vector_extract_dynamic.rs
index 7cd86580cc..1e064d40ba 100644
--- a/tests/compiletests/ui/arch/vector_extract_dynamic.rs
+++ b/tests/compiletests/ui/arch/vector_extract_dynamic.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpVectorExtractDynamic`
 // build-pass
 
diff --git a/tests/compiletests/ui/arch/vector_insert_dynamic.rs b/tests/compiletests/ui/arch/vector_insert_dynamic.rs
index b66a4b1a85..4e35bac8db 100644
--- a/tests/compiletests/ui/arch/vector_insert_dynamic.rs
+++ b/tests/compiletests/ui/arch/vector_insert_dynamic.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpVectorInsertDynamic`
 // build-pass
 
diff --git a/tests/compiletests/ui/byte_addressable_buffer/arr.rs b/tests/compiletests/ui/byte_addressable_buffer/arr.rs
index b9396ffb85..32cc429d89 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/arr.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/arr.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{ByteAddressableBuffer, glam::Vec4};
diff --git a/tests/compiletests/ui/byte_addressable_buffer/big_struct.rs b/tests/compiletests/ui/byte_addressable_buffer/big_struct.rs
index 5ffe96c097..191ee82abd 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/big_struct.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/big_struct.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::ByteAddressableBuffer;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/byte_addressable_buffer/complex.rs b/tests/compiletests/ui/byte_addressable_buffer/complex.rs
index 1932755415..1769821be3 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/complex.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/complex.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{ByteAddressableBuffer, glam::Vec2};
diff --git a/tests/compiletests/ui/byte_addressable_buffer/empty_struct.rs b/tests/compiletests/ui/byte_addressable_buffer/empty_struct.rs
index e8afc34c4c..4adbe54bc7 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/empty_struct.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/empty_struct.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::ByteAddressableBuffer;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/byte_addressable_buffer/f32.rs b/tests/compiletests/ui/byte_addressable_buffer/f32.rs
index 602016a10d..4ea0c40716 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/f32.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/f32.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::ByteAddressableBuffer;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/byte_addressable_buffer/small_struct.rs b/tests/compiletests/ui/byte_addressable_buffer/small_struct.rs
index 2fb315ac13..6b57eeff22 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/small_struct.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/small_struct.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::ByteAddressableBuffer;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/byte_addressable_buffer/u32.rs b/tests/compiletests/ui/byte_addressable_buffer/u32.rs
index 0b4b709608..290b05797d 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/u32.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/u32.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::ByteAddressableBuffer;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/byte_addressable_buffer/vec.rs b/tests/compiletests/ui/byte_addressable_buffer/vec.rs
index 2f3342aa0b..d663940d02 100644
--- a/tests/compiletests/ui/byte_addressable_buffer/vec.rs
+++ b/tests/compiletests/ui/byte_addressable_buffer/vec.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{ByteAddressableBuffer, glam::Vec4};
diff --git a/tests/compiletests/ui/dis/add_two_ints.rs b/tests/compiletests/ui/dis/add_two_ints.rs
index 81dccc353d..257586e757 100644
--- a/tests/compiletests/ui/dis/add_two_ints.rs
+++ b/tests/compiletests/ui/dis/add_two_ints.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=add_two_ints::add_two_ints
+// compile-flags: -C llvm-args=--disassemble-fn=add_two_ints::add_two_ints,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/asm.rs b/tests/compiletests/ui/dis/asm.rs
index 1e2a5a6f01..579500b042 100644
--- a/tests/compiletests/ui/dis/asm.rs
+++ b/tests/compiletests/ui/dis/asm.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=asm::asm
+// compile-flags: -C llvm-args=--disassemble-fn=asm::asm,--allow-fragment-no-output
 
 use core::arch::asm;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/dis/asm_add_two_ints.rs b/tests/compiletests/ui/dis/asm_add_two_ints.rs
index e7cbedf191..e9a5ad3db1 100644
--- a/tests/compiletests/ui/dis/asm_add_two_ints.rs
+++ b/tests/compiletests/ui/dis/asm_add_two_ints.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=asm_add_two_ints::add_two_ints
+// compile-flags: -C llvm-args=--disassemble-fn=asm_add_two_ints::add_two_ints,--allow-fragment-no-output
 
 use core::arch::asm;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/dis/asm_op_decorate.rs b/tests/compiletests/ui/dis/asm_op_decorate.rs
index a46835ee64..bc141c1c29 100644
--- a/tests/compiletests/ui/dis/asm_op_decorate.rs
+++ b/tests/compiletests/ui/dis/asm_op_decorate.rs
@@ -2,7 +2,7 @@
 
 // build-pass
 // compile-flags: -C target-feature=+RuntimeDescriptorArray,+ext:SPV_EXT_descriptor_indexing
-// compile-flags: -C llvm-args=--disassemble-globals
+// compile-flags: -C llvm-args=--disassemble-globals,--allow-fragment-no-output
 // normalize-stderr-test "OpCapability VulkanMemoryModel\n" -> ""
 // normalize-stderr-test "OpSource .*\n" -> ""
 // normalize-stderr-test "OpExtension .SPV_KHR_vulkan_memory_model.\n" -> ""
diff --git a/tests/compiletests/ui/dis/complex_image_sample_inst.rs b/tests/compiletests/ui/dis/complex_image_sample_inst.rs
index f42cce8d0b..1cb0a80866 100644
--- a/tests/compiletests/ui/dis/complex_image_sample_inst.rs
+++ b/tests/compiletests/ui/dis/complex_image_sample_inst.rs
@@ -1,6 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RuntimeDescriptorArray,+ext:SPV_EXT_descriptor_indexing
-// compile-flags: -C llvm-args=--disassemble-fn=complex_image_sample_inst::sample_proj_lod
+// compile-flags: -C llvm-args=--disassemble-fn=complex_image_sample_inst::sample_proj_lod,--allow-fragment-no-output
 
 use core::arch::asm;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/dis/custom_entry_point.stderr b/tests/compiletests/ui/dis/custom_entry_point.stderr
index e243af37f7..9540af9b13 100644
--- a/tests/compiletests/ui/dis/custom_entry_point.stderr
+++ b/tests/compiletests/ui/dis/custom_entry_point.stderr
@@ -1,14 +1,9 @@
-OpCapability Shader
-OpCapability Float64
-OpCapability Int64
-OpCapability Int16
-OpCapability Int8
-OpCapability ShaderClockKHR
-OpExtension "SPV_KHR_shader_clock"
-OpMemoryModel Logical Simple
-OpEntryPoint Fragment %1 "hello_world"
-OpExecutionMode %1 OriginUpperLeft
-%2 = OpString "$OPSTRING_FILENAME/custom_entry_point.rs"
-OpName %3 "custom_entry_point::main"
-%4 = OpTypeVoid
-%5 = OpTypeFunction %4
+error: fragment shader `hello_world` produces no output
+  |
+  = help: fragment shaders must write to output parameters to produce visible results
+  = note: use complete assignment like `*out_frag_color = vec4(r, g, b, a)` instead of partial component assignments
+  = note: partial component assignments may be optimized away if not all components are written
+  = note: to disable this validation (e.g. for testing), use `--allow-fragment-no-output`
+
+error: aborting due to 1 previous error
+
diff --git a/tests/compiletests/ui/dis/entry-pass-mode-cast-array.rs b/tests/compiletests/ui/dis/entry-pass-mode-cast-array.rs
index 0e1314465e..7aa61ec8ea 100644
--- a/tests/compiletests/ui/dis/entry-pass-mode-cast-array.rs
+++ b/tests/compiletests/ui/dis/entry-pass-mode-cast-array.rs
@@ -5,7 +5,7 @@
 // the default Rust ABI adjustments, that we now override through query hooks)
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-entry=main
+// compile-flags: -C llvm-args=--disassemble-entry=main,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/generic-fn-op-name.rs b/tests/compiletests/ui/dis/generic-fn-op-name.rs
index 1f07f69b5a..b76516225e 100644
--- a/tests/compiletests/ui/dis/generic-fn-op-name.rs
+++ b/tests/compiletests/ui/dis/generic-fn-op-name.rs
@@ -3,7 +3,7 @@
 // Test that generic functions' `OpName` correctly include generic arguments.
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-globals
+// compile-flags: -C llvm-args=--disassemble-globals,--allow-fragment-no-output
 // normalize-stderr-test "OpCapability VulkanMemoryModel\n" -> ""
 // normalize-stderr-test "OpSource .*\n" -> ""
 // normalize-stderr-test "OpExtension .SPV_KHR_vulkan_memory_model.\n" -> ""
diff --git a/tests/compiletests/ui/dis/index_user_dst.rs b/tests/compiletests/ui/dis/index_user_dst.rs
index f1b4142e9d..99a4ecdc10 100644
--- a/tests/compiletests/ui/dis/index_user_dst.rs
+++ b/tests/compiletests/ui/dis/index_user_dst.rs
@@ -1,7 +1,7 @@
 #![crate_name = "index_user_dst"]
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-entry=main
+// compile-flags: -C llvm-args=--disassemble-entry=main,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/issue-1062.rs b/tests/compiletests/ui/dis/issue-1062.rs
index 759c506317..9b8bb3b86c 100644
--- a/tests/compiletests/ui/dis/issue-1062.rs
+++ b/tests/compiletests/ui/dis/issue-1062.rs
@@ -3,7 +3,7 @@
 // Test that rotates take the correct path for non-zero bit amounts.
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-entry=main
+// compile-flags: -C llvm-args=--disassemble-entry=main,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/issue-284-dead-fragment.rs b/tests/compiletests/ui/dis/issue-284-dead-fragment.rs
new file mode 100644
index 0000000000..7506d02de0
--- /dev/null
+++ b/tests/compiletests/ui/dis/issue-284-dead-fragment.rs
@@ -0,0 +1,12 @@
+//@ compile-flags: --crate-type dylib --emit=metadata
+// Test for issue #284: A fragment shader that produces no output should fail
+
+use spirv_std::spirv;
+
+#[spirv(fragment)]
+pub fn main_fs(#[spirv(flat)] in_color: u32, out_frag_color: &mut spirv_std::glam::Vec4) {
+    // This fragment shader reads input but doesn't write output
+    // The assignment is optimized away, causing no visible output
+    let _temp = in_color;
+    // Note: No assignment to out_frag_color, so this shader produces no output
+}
diff --git a/tests/compiletests/ui/dis/issue-284-dead-fragment.stderr b/tests/compiletests/ui/dis/issue-284-dead-fragment.stderr
new file mode 100644
index 0000000000..20f9aae5f5
--- /dev/null
+++ b/tests/compiletests/ui/dis/issue-284-dead-fragment.stderr
@@ -0,0 +1,9 @@
+error: fragment shader `main_fs` produces no output
+  |
+  = help: fragment shaders must write to output parameters to produce visible results
+  = note: use complete assignment like `*out_frag_color = vec4(r, g, b, a)` instead of partial component assignments
+  = note: partial component assignments may be optimized away if not all components are written
+  = note: to disable this validation (e.g. for testing), use `--allow-fragment-no-output`
+
+error: aborting due to 1 previous error
+
diff --git a/tests/compiletests/ui/dis/issue-373.rs b/tests/compiletests/ui/dis/issue-373.rs
index 482136d448..523c8b336e 100644
--- a/tests/compiletests/ui/dis/issue-373.rs
+++ b/tests/compiletests/ui/dis/issue-373.rs
@@ -5,7 +5,7 @@
 // the default Rust ABI adjustments, that we now override through query hooks).
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-entry=main
+// compile-flags: -C llvm-args=--disassemble-entry=main,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/issue-723-output.rs b/tests/compiletests/ui/dis/issue-723-output.rs
index 39bad58bcc..60594bc31d 100644
--- a/tests/compiletests/ui/dis/issue-723-output.rs
+++ b/tests/compiletests/ui/dis/issue-723-output.rs
@@ -13,7 +13,7 @@
 //     all interface `OpVariables` in `OpEntryPoint`, not just `Input`/`Output`
 
 // build-pass
-// compile-flags: -C debuginfo=0 -C llvm-args=--disassemble-globals
+// compile-flags: -C debuginfo=0 -C llvm-args=--disassemble-globals,--allow-fragment-no-output
 // normalize-stderr-test "OpCapability VulkanMemoryModel\n" -> ""
 // normalize-stderr-test "OpSource .*\n" -> ""
 // normalize-stderr-test "OpExtension .SPV_KHR_vulkan_memory_model.\n" -> ""
diff --git a/tests/compiletests/ui/dis/issue-731.rs b/tests/compiletests/ui/dis/issue-731.rs
index ccd8d39ef4..fd6a0c6cb5 100644
--- a/tests/compiletests/ui/dis/issue-731.rs
+++ b/tests/compiletests/ui/dis/issue-731.rs
@@ -3,7 +3,7 @@
 // only ever done on `fn`-local `OpVariable`s, not on the original global.
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-entry=main
+// compile-flags: -C llvm-args=--disassemble-entry=main,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/non-writable-storage_buffer.rs b/tests/compiletests/ui/dis/non-writable-storage_buffer.rs
index 483f7c75ad..b109274d6b 100644
--- a/tests/compiletests/ui/dis/non-writable-storage_buffer.rs
+++ b/tests/compiletests/ui/dis/non-writable-storage_buffer.rs
@@ -3,7 +3,7 @@
 // Tests that only `&T` (where `T: Freeze`) storage buffers get `NonWritable`.
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-globals
+// compile-flags: -C llvm-args=--disassemble-globals,--allow-fragment-no-output
 // normalize-stderr-test "OpCapability VulkanMemoryModel\n" -> ""
 // normalize-stderr-test "OpSource .*\n" -> ""
 // normalize-stderr-test "OpExtension .SPV_KHR_vulkan_memory_model.\n" -> ""
diff --git a/tests/compiletests/ui/dis/panic_builtin_bounds_check.rs b/tests/compiletests/ui/dis/panic_builtin_bounds_check.rs
index 93b5e62a8f..1c3219df85 100644
--- a/tests/compiletests/ui/dis/panic_builtin_bounds_check.rs
+++ b/tests/compiletests/ui/dis/panic_builtin_bounds_check.rs
@@ -4,7 +4,7 @@
 
 // build-pass
 // compile-flags: -C target-feature=+ext:SPV_KHR_non_semantic_info
-// compile-flags: -C llvm-args=--abort-strategy=debug-printf
+// compile-flags: -C llvm-args=--abort-strategy=debug-printf,--allow-fragment-no-output
 // compile-flags: -C llvm-args=--disassemble
 //
 // FIXME(eddyb) consider using such replacements also for dealing
diff --git a/tests/compiletests/ui/dis/panic_sequential_many.rs b/tests/compiletests/ui/dis/panic_sequential_many.rs
index 4cb7db174d..0ae0e107c2 100644
--- a/tests/compiletests/ui/dis/panic_sequential_many.rs
+++ b/tests/compiletests/ui/dis/panic_sequential_many.rs
@@ -5,7 +5,7 @@
 
 // build-pass
 // compile-flags: -C target-feature=+ext:SPV_KHR_non_semantic_info
-// compile-flags: -C llvm-args=--abort-strategy=debug-printf
+// compile-flags: -C llvm-args=--abort-strategy=debug-printf,--allow-fragment-no-output
 // compile-flags: -C llvm-args=--disassemble
 //
 // FIXME(eddyb) consider using such replacements also for dealing
diff --git a/tests/compiletests/ui/dis/pass-mode-cast-struct.rs b/tests/compiletests/ui/dis/pass-mode-cast-struct.rs
index 5ed7442537..509f9a815c 100644
--- a/tests/compiletests/ui/dis/pass-mode-cast-struct.rs
+++ b/tests/compiletests/ui/dis/pass-mode-cast-struct.rs
@@ -5,7 +5,7 @@
 // the default Rust ABI adjustments, that we now override through query hooks)
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-entry=main
+// compile-flags: -C llvm-args=--disassemble-entry=main,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/ptr_copy.rs b/tests/compiletests/ui/dis/ptr_copy.rs
index 89f1a83d84..c7351e0221 100644
--- a/tests/compiletests/ui/dis/ptr_copy.rs
+++ b/tests/compiletests/ui/dis/ptr_copy.rs
@@ -2,7 +2,7 @@
 //[normal] build-fail
 // normalize-stderr-test "\S*/library/core/src/" -> "$$CORE_SRC/"
 //[via_intrinsic] build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=ptr_copy::copy_via_raw_ptr
+// compile-flags: -C llvm-args=--disassemble-fn=ptr_copy::copy_via_raw_ptr,--allow-fragment-no-output
 
 #![cfg_attr(via_intrinsic, allow(internal_features), feature(intrinsics))]
 
diff --git a/tests/compiletests/ui/dis/ptr_read.rs b/tests/compiletests/ui/dis/ptr_read.rs
index 494bcdb3fa..63385039dd 100644
--- a/tests/compiletests/ui/dis/ptr_read.rs
+++ b/tests/compiletests/ui/dis/ptr_read.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=ptr_read::copy_via_raw_ptr
+// compile-flags: -C llvm-args=--disassemble-fn=ptr_read::copy_via_raw_ptr,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/ptr_read_method.rs b/tests/compiletests/ui/dis/ptr_read_method.rs
index 41620e9ebb..f5c1caeaf9 100644
--- a/tests/compiletests/ui/dis/ptr_read_method.rs
+++ b/tests/compiletests/ui/dis/ptr_read_method.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=ptr_read_method::copy_via_raw_ptr
+// compile-flags: -C llvm-args=--disassemble-fn=ptr_read_method::copy_via_raw_ptr,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/ptr_write.rs b/tests/compiletests/ui/dis/ptr_write.rs
index fcfdc4cd8d..8ea42f8149 100644
--- a/tests/compiletests/ui/dis/ptr_write.rs
+++ b/tests/compiletests/ui/dis/ptr_write.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=ptr_write::copy_via_raw_ptr
+// compile-flags: -C llvm-args=--disassemble-fn=ptr_write::copy_via_raw_ptr,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/ptr_write_method.rs b/tests/compiletests/ui/dis/ptr_write_method.rs
index bdc969df38..d8984fae8b 100644
--- a/tests/compiletests/ui/dis/ptr_write_method.rs
+++ b/tests/compiletests/ui/dis/ptr_write_method.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-fn=ptr_write_method::copy_via_raw_ptr
+// compile-flags: -C llvm-args=--disassemble-fn=ptr_write_method::copy_via_raw_ptr,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/dis/spec_constant-attr.rs b/tests/compiletests/ui/dis/spec_constant-attr.rs
index ce04ba674b..918aedf36d 100644
--- a/tests/compiletests/ui/dis/spec_constant-attr.rs
+++ b/tests/compiletests/ui/dis/spec_constant-attr.rs
@@ -3,7 +3,7 @@
 // Tests the various forms of `#[spirv(spec_constant)]`.
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-globals
+// compile-flags: -C llvm-args=--disassemble-globals,--allow-fragment-no-output
 // normalize-stderr-test "OpCapability VulkanMemoryModel\n" -> ""
 // normalize-stderr-test "OpSource .*\n" -> ""
 // normalize-stderr-test "OpExtension .SPV_KHR_vulkan_memory_model.\n" -> ""
diff --git a/tests/compiletests/ui/glam/mat3_vec3_multiply.rs b/tests/compiletests/ui/glam/mat3_vec3_multiply.rs
index 1aa0c8c3bb..81c7f495e8 100644
--- a/tests/compiletests/ui/glam/mat3_vec3_multiply.rs
+++ b/tests/compiletests/ui/glam/mat3_vec3_multiply.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests multiplying a `Mat3` by a `Vec3`.
 // build-pass
 
diff --git a/tests/compiletests/ui/hello_world.rs b/tests/compiletests/ui/hello_world.rs
index 3916fb4e91..79be7da9ba 100644
--- a/tests/compiletests/ui/hello_world.rs
+++ b/tests/compiletests/ui/hello_world.rs
@@ -1,5 +1,6 @@
 // Simple single entrypoint function test.
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/image/components.rs b/tests/compiletests/ui/image/components.rs
index 34e010fbcd..6249609237 100644
--- a/tests/compiletests/ui/image/components.rs
+++ b/tests/compiletests/ui/image/components.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+StorageImageExtendedFormats
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::{Vec2, Vec3, Vec4};
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/image/fetch.rs b/tests/compiletests/ui/image/fetch.rs
index 674c3400bb..5f8e6f4b76 100644
--- a/tests/compiletests/ui/image/fetch.rs
+++ b/tests/compiletests/ui/image/fetch.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/format.rs b/tests/compiletests/ui/image/format.rs
index e9f2386c10..92a05a111e 100644
--- a/tests/compiletests/ui/image/format.rs
+++ b/tests/compiletests/ui/image/format.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/gather.rs b/tests/compiletests/ui/image/gather.rs
index 012bcf3f86..c665876a8b 100644
--- a/tests/compiletests/ui/image/gather.rs
+++ b/tests/compiletests/ui/image/gather.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageGather`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/gather_err.rs b/tests/compiletests/ui/image/gather_err.rs
index e44da14565..8e63b7be3f 100644
--- a/tests/compiletests/ui/image/gather_err.rs
+++ b/tests/compiletests/ui/image/gather_err.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 // normalize-stderr-test "\S*/crates/spirv-std/src/" -> "$$SPIRV_STD_SRC/"
 // compile-flags: -Ctarget-feature=+Sampled1D
diff --git a/tests/compiletests/ui/image/gather_err.stderr b/tests/compiletests/ui/image/gather_err.stderr
index 550fdfd018..712c0ac736 100644
--- a/tests/compiletests/ui/image/gather_err.stderr
+++ b/tests/compiletests/ui/image/gather_err.stderr
@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `Image<f32, 0, 2, 0, 0, 1, 0, 4>: HasGather` is not satisfied
-   --> $DIR/gather_err.rs:15:34
+   --> $DIR/gather_err.rs:16:34
     |
-15  |     let r1: glam::Vec4 = image1d.gather(*sampler, 0.0f32, 0);
+16  |     let r1: glam::Vec4 = image1d.gather(*sampler, 0.0f32, 0);
     |                                  ^^^^^^ the trait `HasGather` is not implemented for `Image<f32, 0, 2, 0, 0, 1, 0, 4>`
     |
     = help: the following other types implement trait `HasGather`:
@@ -18,9 +18,9 @@ note: required by a bound in `Image::<SampledType, DIM, DEPTH, ARRAYED, spirv_st
     |               ^^^^^^^^^ required by this bound in `Image::<SampledType, DIM, DEPTH, ARRAYED, spirv_std::::image::{impl#1}::{constant#0}, SAMPLED, FORMAT, COMPONENTS>::gather`
 
 error[E0277]: the trait bound `Image<f32, 2, 2, 0, 0, 1, 0, 4>: HasGather` is not satisfied
-   --> $DIR/gather_err.rs:16:34
+   --> $DIR/gather_err.rs:17:34
     |
-16  |     let r2: glam::Vec4 = image3d.gather(*sampler, v3, 0);
+17  |     let r2: glam::Vec4 = image3d.gather(*sampler, v3, 0);
     |                                  ^^^^^^ the trait `HasGather` is not implemented for `Image<f32, 2, 2, 0, 0, 1, 0, 4>`
     |
     = help: the following other types implement trait `HasGather`:
diff --git a/tests/compiletests/ui/image/image_with.rs b/tests/compiletests/ui/image/image_with.rs
index 90d8d62b2f..f585f8a173 100644
--- a/tests/compiletests/ui/image/image_with.rs
+++ b/tests/compiletests/ui/image/image_with.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, Sampler, arch, image::ImageWithMethods, image::sample_with};
diff --git a/tests/compiletests/ui/image/issue-330.rs b/tests/compiletests/ui/image/issue-330.rs
index 37130eac4f..1e9f12dd82 100644
--- a/tests/compiletests/ui/image/issue-330.rs
+++ b/tests/compiletests/ui/image/issue-330.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 use spirv_std::glam::Vec4;
 use spirv_std::spirv;
 use spirv_std::{Sampler, image::Image2dArray};
diff --git a/tests/compiletests/ui/image/query/cubemap_query_size.rs b/tests/compiletests/ui/image/query/cubemap_query_size.rs
index 72210879ad..20308c01ab 100644
--- a/tests/compiletests/ui/image/query/cubemap_query_size.rs
+++ b/tests/compiletests/ui/image/query/cubemap_query_size.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch, image::Cubemap};
diff --git a/tests/compiletests/ui/image/query/query_levels.rs b/tests/compiletests/ui/image/query/query_levels.rs
index 061dc4bacc..5f31b1d1f6 100644
--- a/tests/compiletests/ui/image/query/query_levels.rs
+++ b/tests/compiletests/ui/image/query/query_levels.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/query/query_levels_err.rs b/tests/compiletests/ui/image/query/query_levels_err.rs
index 1fa5581a41..6f7e87429f 100644
--- a/tests/compiletests/ui/image/query/query_levels_err.rs
+++ b/tests/compiletests/ui/image/query/query_levels_err.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 // normalize-stderr-test "\S*/crates/spirv-std/src/" -> "$$SPIRV_STD_SRC/"
 // compile-flags: -C target-feature=+ImageQuery
diff --git a/tests/compiletests/ui/image/query/query_levels_err.stderr b/tests/compiletests/ui/image/query/query_levels_err.stderr
index c49926bd05..3a07ccc4e9 100644
--- a/tests/compiletests/ui/image/query/query_levels_err.stderr
+++ b/tests/compiletests/ui/image/query/query_levels_err.stderr
@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `Image<f32, 4, 2, 0, 0, 1, 0, 4>: HasQueryLevels` is not satisfied
-   --> $DIR/query_levels_err.rs:12:21
+   --> $DIR/query_levels_err.rs:13:21
     |
-12  |     *output = image.query_levels();
+13  |     *output = image.query_levels();
     |                     ^^^^^^^^^^^^ the trait `HasQueryLevels` is not implemented for `Image<f32, 4, 2, 0, 0, 1, 0, 4>`
     |
     = help: the following other types implement trait `HasQueryLevels`:
diff --git a/tests/compiletests/ui/image/query/query_lod.rs b/tests/compiletests/ui/image/query/query_lod.rs
index 4d764d0514..48267d566f 100644
--- a/tests/compiletests/ui/image/query/query_lod.rs
+++ b/tests/compiletests/ui/image/query/query_lod.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, Sampler, arch};
diff --git a/tests/compiletests/ui/image/query/query_lod_err.rs b/tests/compiletests/ui/image/query/query_lod_err.rs
index 74e86972f1..2b1b2debc6 100644
--- a/tests/compiletests/ui/image/query/query_lod_err.rs
+++ b/tests/compiletests/ui/image/query/query_lod_err.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 // normalize-stderr-test "\S*/crates/spirv-std/src/" -> "$$SPIRV_STD_SRC/"
 // compile-flags: -C target-feature=+ImageQuery
diff --git a/tests/compiletests/ui/image/query/query_lod_err.stderr b/tests/compiletests/ui/image/query/query_lod_err.stderr
index e985e690b5..71df5d97c0 100644
--- a/tests/compiletests/ui/image/query/query_lod_err.stderr
+++ b/tests/compiletests/ui/image/query/query_lod_err.stderr
@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `Image<f32, 4, 2, 0, 0, 1, 0, 4>: HasQueryLevels` is not satisfied
-   --> $DIR/query_lod_err.rs:13:21
+   --> $DIR/query_lod_err.rs:14:21
     |
-13  |     *output = image.query_lod(*sampler, glam::Vec2::new(0.0, 1.0));
+14  |     *output = image.query_lod(*sampler, glam::Vec2::new(0.0, 1.0));
     |                     ^^^^^^^^^ the trait `HasQueryLevels` is not implemented for `Image<f32, 4, 2, 0, 0, 1, 0, 4>`
     |
     = help: the following other types implement trait `HasQueryLevels`:
diff --git a/tests/compiletests/ui/image/query/query_samples.rs b/tests/compiletests/ui/image/query/query_samples.rs
index fb5db92ded..00203a281f 100644
--- a/tests/compiletests/ui/image/query/query_samples.rs
+++ b/tests/compiletests/ui/image/query/query_samples.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/query/query_size.rs b/tests/compiletests/ui/image/query/query_size.rs
index ba2b12afa4..abde2e699e 100644
--- a/tests/compiletests/ui/image/query/query_size.rs
+++ b/tests/compiletests/ui/image/query/query_size.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/query/query_size_err.rs b/tests/compiletests/ui/image/query/query_size_err.rs
index c526f3bd6b..28146998f2 100644
--- a/tests/compiletests/ui/image/query/query_size_err.rs
+++ b/tests/compiletests/ui/image/query/query_size_err.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 // normalize-stderr-test "\S*/crates/spirv-std/src/" -> "$$SPIRV_STD_SRC/"
 // compile-flags: -C target-feature=+ImageQuery
diff --git a/tests/compiletests/ui/image/query/query_size_err.stderr b/tests/compiletests/ui/image/query/query_size_err.stderr
index c94971162e..ef9bf2fc75 100644
--- a/tests/compiletests/ui/image/query/query_size_err.stderr
+++ b/tests/compiletests/ui/image/query/query_size_err.stderr
@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `Image<f32, 1, 2, 0, 0, 1, 0, 4>: HasQuerySize` is not satisfied
-    --> $DIR/query_size_err.rs:12:21
+    --> $DIR/query_size_err.rs:13:21
      |
-12   |     *output = image.query_size();
+13   |     *output = image.query_size();
      |                     ^^^^^^^^^^ the trait `HasQuerySize` is not implemented for `Image<f32, 1, 2, 0, 0, 1, 0, 4>`
      |
      = help: the following other types implement trait `HasQuerySize`:
diff --git a/tests/compiletests/ui/image/query/query_size_lod.rs b/tests/compiletests/ui/image/query/query_size_lod.rs
index dd6c7f1855..e59922e86c 100644
--- a/tests/compiletests/ui/image/query/query_size_lod.rs
+++ b/tests/compiletests/ui/image/query/query_size_lod.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/query/query_size_lod_err.rs b/tests/compiletests/ui/image/query/query_size_lod_err.rs
index 8b2e9e8ff1..081d7ff537 100644
--- a/tests/compiletests/ui/image/query/query_size_lod_err.rs
+++ b/tests/compiletests/ui/image/query/query_size_lod_err.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 // normalize-stderr-test "\S*/crates/spirv-std/src/" -> "$$SPIRV_STD_SRC/"
 // compile-flags: -C target-feature=+ImageQuery
diff --git a/tests/compiletests/ui/image/query/query_size_lod_err.stderr b/tests/compiletests/ui/image/query/query_size_lod_err.stderr
index bbad070b0a..741ea1ff93 100644
--- a/tests/compiletests/ui/image/query/query_size_lod_err.stderr
+++ b/tests/compiletests/ui/image/query/query_size_lod_err.stderr
@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `Image<f32, 4, 2, 0, 0, 1, 0, 4>: HasQuerySizeLod` is not satisfied
-    --> $DIR/query_size_lod_err.rs:12:21
+    --> $DIR/query_size_lod_err.rs:13:21
      |
-12   |     *output = image.query_size_lod(0);
+13   |     *output = image.query_size_lod(0);
      |                     ^^^^^^^^^^^^^^ the trait `HasQuerySizeLod` is not implemented for `Image<f32, 4, 2, 0, 0, 1, 0, 4>`
      |
      = help: the following other types implement trait `HasQuerySizeLod`:
diff --git a/tests/compiletests/ui/image/query/rect_image_query_size.rs b/tests/compiletests/ui/image/query/rect_image_query_size.rs
index 3182412157..d6c85ec3f7 100644
--- a/tests/compiletests/ui/image/query/rect_image_query_size.rs
+++ b/tests/compiletests/ui/image/query/rect_image_query_size.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery,+SampledRect
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // ignore-vulkan1.0
 // ignore-vulkan1.1
 // ignore-vulkan1.1spv1.4
diff --git a/tests/compiletests/ui/image/query/sampled_image_multisampled_query_size.rs b/tests/compiletests/ui/image/query/sampled_image_multisampled_query_size.rs
index 82ce6c07a2..d3a60598b6 100644
--- a/tests/compiletests/ui/image/query/sampled_image_multisampled_query_size.rs
+++ b/tests/compiletests/ui/image/query/sampled_image_multisampled_query_size.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch, image::SampledImage};
diff --git a/tests/compiletests/ui/image/query/sampled_image_query_size.rs b/tests/compiletests/ui/image/query/sampled_image_query_size.rs
index fbde16285c..5f9ac920b8 100644
--- a/tests/compiletests/ui/image/query/sampled_image_query_size.rs
+++ b/tests/compiletests/ui/image/query/sampled_image_query_size.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery,+Sampled1D
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch, image::SampledImage};
diff --git a/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.rs b/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.rs
index acfe0a61a3..cdc4aaffe7 100644
--- a/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.rs
+++ b/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 // normalize-stderr-test "\S*/crates/spirv-std/src/" -> "$SPIRV_STD_SRC/"
 // compile-flags: -C target-feature=+ImageQuery,+SampledRect
diff --git a/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.stderr b/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.stderr
index 32c369a9bd..9c6a0fe48c 100644
--- a/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.stderr
+++ b/tests/compiletests/ui/image/query/sampled_image_rect_query_size_lod_err.stderr
@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `Image<f32, 4, 2, 0, 0, 1, 0, 4>: HasQuerySizeLod` is not satisfied
-    --> $DIR/sampled_image_rect_query_size_lod_err.rs:21:28
+    --> $DIR/sampled_image_rect_query_size_lod_err.rs:22:28
      |
-21   |     *output = rect_sampled.query_size_lod(0);
+22   |     *output = rect_sampled.query_size_lod(0);
      |                            ^^^^^^^^^^^^^^ the trait `HasQuerySizeLod` is not implemented for `Image<f32, 4, 2, 0, 0, 1, 0, 4>`
      |
      = help: the following other types implement trait `HasQuerySizeLod`:
diff --git a/tests/compiletests/ui/image/query/storage_image_query_size.rs b/tests/compiletests/ui/image/query/storage_image_query_size.rs
index 42234aebeb..26239dfbea 100644
--- a/tests/compiletests/ui/image/query/storage_image_query_size.rs
+++ b/tests/compiletests/ui/image/query/storage_image_query_size.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+ImageQuery,+Sampled1D,+SampledBuffer
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/read.rs b/tests/compiletests/ui/image/read.rs
index 0c1fb23ba3..edecba7ad7 100644
--- a/tests/compiletests/ui/image/read.rs
+++ b/tests/compiletests/ui/image/read.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageRead`
 // build-pass
 // compile-flags: -C target-feature=+StorageImageReadWithoutFormat
diff --git a/tests/compiletests/ui/image/read_subpass.rs b/tests/compiletests/ui/image/read_subpass.rs
index 1dd84965d0..593ffdb06b 100644
--- a/tests/compiletests/ui/image/read_subpass.rs
+++ b/tests/compiletests/ui/image/read_subpass.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+InputAttachment
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, arch};
diff --git a/tests/compiletests/ui/image/sample.rs b/tests/compiletests/ui/image/sample.rs
index e480828900..b390469d17 100644
--- a/tests/compiletests/ui/image/sample.rs
+++ b/tests/compiletests/ui/image/sample.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleImplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_bias.rs b/tests/compiletests/ui/image/sample_bias.rs
index 4aace83047..36e20c89a6 100644
--- a/tests/compiletests/ui/image/sample_bias.rs
+++ b/tests/compiletests/ui/image/sample_bias.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleImplicitLod` Bias
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_depth_reference/sample.rs b/tests/compiletests/ui/image/sample_depth_reference/sample.rs
index f0a379b254..2dc52ac12d 100644
--- a/tests/compiletests/ui/image/sample_depth_reference/sample.rs
+++ b/tests/compiletests/ui/image/sample_depth_reference/sample.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleDrefImplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_depth_reference/sample_gradient.rs b/tests/compiletests/ui/image/sample_depth_reference/sample_gradient.rs
index e10213e6d5..29da41bd9c 100644
--- a/tests/compiletests/ui/image/sample_depth_reference/sample_gradient.rs
+++ b/tests/compiletests/ui/image/sample_depth_reference/sample_gradient.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleDrefExplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_depth_reference/sample_lod.rs b/tests/compiletests/ui/image/sample_depth_reference/sample_lod.rs
index 39bda69dff..ab00765afc 100644
--- a/tests/compiletests/ui/image/sample_depth_reference/sample_lod.rs
+++ b/tests/compiletests/ui/image/sample_depth_reference/sample_lod.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleDrefExplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample.rs b/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample.rs
index b846e8b5f3..53fd714119 100644
--- a/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample.rs
+++ b/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleProjDrefImplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_gradient.rs b/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_gradient.rs
index d1f5aba513..cbfff26942 100644
--- a/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_gradient.rs
+++ b/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_gradient.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleProjDrefExplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_lod.rs b/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_lod.rs
index 7c9e75693a..4cbb4ee705 100644
--- a/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_lod.rs
+++ b/tests/compiletests/ui/image/sample_depth_reference_with_project_coordinate/sample_lod.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleProjDrefExplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_gradient.rs b/tests/compiletests/ui/image/sample_gradient.rs
index ca2930276e..138ae43480 100644
--- a/tests/compiletests/ui/image/sample_gradient.rs
+++ b/tests/compiletests/ui/image/sample_gradient.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleExplicitLod` Grad
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_lod.rs b/tests/compiletests/ui/image/sample_lod.rs
index 7d4a628514..5f60e01a08 100644
--- a/tests/compiletests/ui/image/sample_lod.rs
+++ b/tests/compiletests/ui/image/sample_lod.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleExplicitLod` Lod
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_with_project_coordinate/sample.rs b/tests/compiletests/ui/image/sample_with_project_coordinate/sample.rs
index 580b26b7d5..2f168f5a57 100644
--- a/tests/compiletests/ui/image/sample_with_project_coordinate/sample.rs
+++ b/tests/compiletests/ui/image/sample_with_project_coordinate/sample.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleProjImplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_with_project_coordinate/sample_gradient.rs b/tests/compiletests/ui/image/sample_with_project_coordinate/sample_gradient.rs
index 73ce1eb6ee..0b046e186a 100644
--- a/tests/compiletests/ui/image/sample_with_project_coordinate/sample_gradient.rs
+++ b/tests/compiletests/ui/image/sample_with_project_coordinate/sample_gradient.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleProjExplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/sample_with_project_coordinate/sample_lod.rs b/tests/compiletests/ui/image/sample_with_project_coordinate/sample_lod.rs
index 99361164d4..03176ca459 100644
--- a/tests/compiletests/ui/image/sample_with_project_coordinate/sample_lod.rs
+++ b/tests/compiletests/ui/image/sample_with_project_coordinate/sample_lod.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageSampleProjExplicitLod`
 // build-pass
 
diff --git a/tests/compiletests/ui/image/write.rs b/tests/compiletests/ui/image/write.rs
index 34dfae1350..b29ec48f1c 100644
--- a/tests/compiletests/ui/image/write.rs
+++ b/tests/compiletests/ui/image/write.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `OpImageWrite`
 // build-pass
 // compile-flags: -C target-feature=+StorageImageWriteWithoutFormat
diff --git a/tests/compiletests/ui/lang/asm/block_tracking_fail.rs b/tests/compiletests/ui/lang/asm/block_tracking_fail.rs
index d0e229bae0..5af78abf70 100644
--- a/tests/compiletests/ui/lang/asm/block_tracking_fail.rs
+++ b/tests/compiletests/ui/lang/asm/block_tracking_fail.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests validating tracking of basic blocks
 // within the `asm!` macro.
 // build-fail
diff --git a/tests/compiletests/ui/lang/asm/block_tracking_fail.stderr b/tests/compiletests/ui/lang/asm/block_tracking_fail.stderr
index c2979ce7fa..d60b92707a 100644
--- a/tests/compiletests/ui/lang/asm/block_tracking_fail.stderr
+++ b/tests/compiletests/ui/lang/asm/block_tracking_fail.stderr
@@ -1,23 +1,23 @@
 error: `noreturn` requires a terminator at the end
-  --> $DIR/block_tracking_fail.rs:11:9
+  --> $DIR/block_tracking_fail.rs:12:9
    |
-11 |         asm!("", options(noreturn));
+12 |         asm!("", options(noreturn));
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: trailing terminator `OpUnreachable` requires `options(noreturn)`
-  --> $DIR/block_tracking_fail.rs:18:9
+  --> $DIR/block_tracking_fail.rs:19:9
    |
-18 |         asm!("OpUnreachable");
+19 |         asm!("OpUnreachable");
    |         ^^^^^^^^^^^^^^^^^^^^^
 
 error: expected `OpLabel` after terminator `OpKill`
-  --> $DIR/block_tracking_fail.rs:25:9
+  --> $DIR/block_tracking_fail.rs:26:9
    |
-25 | /         asm!(
-26 | |             "OpKill",
-27 | |             "%sum = OpFAdd _ {x} {x}",
-28 | |             x = in(reg) x,
-29 | |         );
+26 | /         asm!(
+27 | |             "OpKill",
+28 | |             "%sum = OpFAdd _ {x} {x}",
+29 | |             x = in(reg) x,
+30 | |         );
    | |_________^
 
 error: aborting due to 3 previous errors
diff --git a/tests/compiletests/ui/lang/asm/block_tracking_pass.rs b/tests/compiletests/ui/lang/asm/block_tracking_pass.rs
index 6caa7b3478..d62a4faa0d 100644
--- a/tests/compiletests/ui/lang/asm/block_tracking_pass.rs
+++ b/tests/compiletests/ui/lang/asm/block_tracking_pass.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests validating tracking of basic blocks
 // within the `asm!` macro.
 // build-pass
diff --git a/tests/compiletests/ui/lang/asm/const_args.rs b/tests/compiletests/ui/lang/asm/const_args.rs
index 4a42533c31..7e2430d863 100644
--- a/tests/compiletests/ui/lang/asm/const_args.rs
+++ b/tests/compiletests/ui/lang/asm/const_args.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests using `asm!` with a const argument.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/asm/infer-access-chain-array.rs b/tests/compiletests/ui/lang/asm/infer-access-chain-array.rs
index cd3649989a..ab9a776d9a 100644
--- a/tests/compiletests/ui/lang/asm/infer-access-chain-array.rs
+++ b/tests/compiletests/ui/lang/asm/infer-access-chain-array.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests that `asm!` can infer the result type of `OpAccessChain`,
 // when used to index arrays.
 
diff --git a/tests/compiletests/ui/lang/asm/infer-access-chain-slice.rs b/tests/compiletests/ui/lang/asm/infer-access-chain-slice.rs
index 1b726d7993..cc82caeed5 100644
--- a/tests/compiletests/ui/lang/asm/infer-access-chain-slice.rs
+++ b/tests/compiletests/ui/lang/asm/infer-access-chain-slice.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests that `asm!` can infer the result type of `OpAccessChain`,
 // when used to index slices.
 
diff --git a/tests/compiletests/ui/lang/asm/issue-1002.rs b/tests/compiletests/ui/lang/asm/issue-1002.rs
index 07bae5b294..0cc8a7302f 100644
--- a/tests/compiletests/ui/lang/asm/issue-1002.rs
+++ b/tests/compiletests/ui/lang/asm/issue-1002.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests that we don't allow returning from `asm!` (which would always be UB).
 // build-fail
 
diff --git a/tests/compiletests/ui/lang/asm/issue-1002.stderr b/tests/compiletests/ui/lang/asm/issue-1002.stderr
index 42a35d8968..b117699013 100644
--- a/tests/compiletests/ui/lang/asm/issue-1002.stderr
+++ b/tests/compiletests/ui/lang/asm/issue-1002.stderr
@@ -1,42 +1,42 @@
 error: using `OpReturn` to return from within `asm!` is disallowed
- --> $DIR/issue-1002.rs:9:9
-  |
-9 |         asm!("OpReturn", options(noreturn));
-  |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  |
-  = note: resuming execution, without falling through the end of the `asm!` block, is always undefined behavior
+  --> $DIR/issue-1002.rs:10:9
+   |
+10 |         asm!("OpReturn", options(noreturn));
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: resuming execution, without falling through the end of the `asm!` block, is always undefined behavior
 
 error: using `OpReturnValue` to return from within `asm!` is disallowed
-  --> $DIR/issue-1002.rs:15:9
+  --> $DIR/issue-1002.rs:16:9
    |
-15 | /         asm!(
-16 | |             "OpReturnValue {x}",
-17 | |             x = in(reg) x,
-18 | |             options(noreturn),
-19 | |         );
+16 | /         asm!(
+17 | |             "OpReturnValue {x}",
+18 | |             x = in(reg) x,
+19 | |             options(noreturn),
+20 | |         );
    | |_________^
    |
    = note: resuming execution, without falling through the end of the `asm!` block, is always undefined behavior
 
 error: using `OpReturn` to return from within `asm!` is disallowed
-  --> $DIR/issue-1002.rs:25:9
+  --> $DIR/issue-1002.rs:26:9
    |
-25 | /         asm!(
-26 | |             "OpReturn",          // close active block
-27 | |             "%unused = OpLabel", // open new block
-28 | |         );
+26 | /         asm!(
+27 | |             "OpReturn",          // close active block
+28 | |             "%unused = OpLabel", // open new block
+29 | |         );
    | |_________^
    |
    = note: resuming execution, without falling through the end of the `asm!` block, is always undefined behavior
 
 error: using `OpReturnValue` to return from within `asm!` is disallowed
-  --> $DIR/issue-1002.rs:34:9
+  --> $DIR/issue-1002.rs:35:9
    |
-34 | /         asm!(
-35 | |             "OpReturnValue {x}", // close active block
-36 | |             "%unused = OpLabel", // open new block
-37 | |             x = in(reg) x
-38 | |         );
+35 | /         asm!(
+36 | |             "OpReturnValue {x}", // close active block
+37 | |             "%unused = OpLabel", // open new block
+38 | |             x = in(reg) x
+39 | |         );
    | |_________^
    |
    = note: resuming execution, without falling through the end of the `asm!` block, is always undefined behavior
diff --git a/tests/compiletests/ui/lang/consts/issue-1024.rs b/tests/compiletests/ui/lang/consts/issue-1024.rs
index a02057f0b5..3a3263964d 100644
--- a/tests/compiletests/ui/lang/consts/issue-1024.rs
+++ b/tests/compiletests/ui/lang/consts/issue-1024.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests that the zombie `bool` from `overflowing_*` (the "has overflowed" value)
 // isn't kept alive by the user's own (unrelated) `bool` constants.
 //
diff --git a/tests/compiletests/ui/lang/consts/issue-329.rs b/tests/compiletests/ui/lang/consts/issue-329.rs
index 8026968496..b32d8b9e79 100644
--- a/tests/compiletests/ui/lang/consts/issue-329.rs
+++ b/tests/compiletests/ui/lang/consts/issue-329.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/consts/issue-834.rs b/tests/compiletests/ui/lang/consts/issue-834.rs
index 387c1e1131..16244a2f7a 100644
--- a/tests/compiletests/ui/lang/consts/issue-834.rs
+++ b/tests/compiletests/ui/lang/consts/issue-834.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/consts/nested-ref-in-composite.rs b/tests/compiletests/ui/lang/consts/nested-ref-in-composite.rs
index c2a852333f..9e7cd942b5 100644
--- a/tests/compiletests/ui/lang/consts/nested-ref-in-composite.rs
+++ b/tests/compiletests/ui/lang/consts/nested-ref-in-composite.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `&'static T` constants where the `T` values themselves contain references,
 // nested in `OpConstantComposite` (structs/arrays) - currently these are disallowed.
 
diff --git a/tests/compiletests/ui/lang/consts/nested-ref-in-composite.stderr b/tests/compiletests/ui/lang/consts/nested-ref-in-composite.stderr
index 632757f31d..bc7fd67f52 100644
--- a/tests/compiletests/ui/lang/consts/nested-ref-in-composite.stderr
+++ b/tests/compiletests/ui/lang/consts/nested-ref-in-composite.stderr
@@ -1,35 +1,35 @@
 error: constant arrays/structs cannot contain pointers to other constants
-  --> $DIR/nested-ref-in-composite.rs:20:17
+  --> $DIR/nested-ref-in-composite.rs:21:17
    |
-20 |     *pair_out = pair_deep_load(&(&123, &3.14));
+21 |     *pair_out = pair_deep_load(&(&123, &3.14));
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: used from within `nested_ref_in_composite::main_pair`
-  --> $DIR/nested-ref-in-composite.rs:20:17
+  --> $DIR/nested-ref-in-composite.rs:21:17
    |
-20 |     *pair_out = pair_deep_load(&(&123, &3.14));
+21 |     *pair_out = pair_deep_load(&(&123, &3.14));
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 note: called by `main_pair`
-  --> $DIR/nested-ref-in-composite.rs:19:8
+  --> $DIR/nested-ref-in-composite.rs:20:8
    |
-19 | pub fn main_pair(pair_out: &mut (u32, f32)) {
+20 | pub fn main_pair(pair_out: &mut (u32, f32)) {
    |        ^^^^^^^^^
 
 error: constant arrays/structs cannot contain pointers to other constants
-  --> $DIR/nested-ref-in-composite.rs:25:19
+  --> $DIR/nested-ref-in-composite.rs:26:19
    |
-25 |     *array3_out = array3_deep_load(&[&0, &1, &2]);
+26 |     *array3_out = array3_deep_load(&[&0, &1, &2]);
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: used from within `nested_ref_in_composite::main_array3`
-  --> $DIR/nested-ref-in-composite.rs:25:19
+  --> $DIR/nested-ref-in-composite.rs:26:19
    |
-25 |     *array3_out = array3_deep_load(&[&0, &1, &2]);
+26 |     *array3_out = array3_deep_load(&[&0, &1, &2]);
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 note: called by `main_array3`
-  --> $DIR/nested-ref-in-composite.rs:24:8
+  --> $DIR/nested-ref-in-composite.rs:25:8
    |
-24 | pub fn main_array3(array3_out: &mut [u32; 3]) {
+25 | pub fn main_array3(array3_out: &mut [u32; 3]) {
    |        ^^^^^^^^^^^
 
 error: aborting due to 2 previous errors
diff --git a/tests/compiletests/ui/lang/consts/nested-ref.rs b/tests/compiletests/ui/lang/consts/nested-ref.rs
index 293325475c..a5c40f21c1 100644
--- a/tests/compiletests/ui/lang/consts/nested-ref.rs
+++ b/tests/compiletests/ui/lang/consts/nested-ref.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `&'static &'static T` constants where the `T` values don't themselves
 // contain references, and where the `T` values aren't immediately loaded from.
 
diff --git a/tests/compiletests/ui/lang/consts/nested-ref.stderr b/tests/compiletests/ui/lang/consts/nested-ref.stderr
index e66427d0a3..c15ce314ca 100644
--- a/tests/compiletests/ui/lang/consts/nested-ref.stderr
+++ b/tests/compiletests/ui/lang/consts/nested-ref.stderr
@@ -1,16 +1,16 @@
 warning: `#[inline(never)]` function `nested_ref::deep_load` has been inlined
-  --> $DIR/nested-ref.rs:12:4
+  --> $DIR/nested-ref.rs:13:4
    |
-12 | fn deep_load(r: &'static &'static u32) -> u32 {
+13 | fn deep_load(r: &'static &'static u32) -> u32 {
    |    ^^^^^^^^^
    |
    = note: inlining was required due to illegal parameter type
    = note: called from `nested_ref::main`
 
 warning: `#[inline(never)]` function `nested_ref::deep_transpose` has been inlined
-  --> $DIR/nested-ref.rs:19:4
+  --> $DIR/nested-ref.rs:20:4
    |
-19 | fn deep_transpose(r: &'static &'static Mat2) -> Mat2 {
+20 | fn deep_transpose(r: &'static &'static Mat2) -> Mat2 {
    |    ^^^^^^^^^^^^^^
    |
    = note: inlining was required due to illegal parameter type
diff --git a/tests/compiletests/ui/lang/consts/shallow-ref.rs b/tests/compiletests/ui/lang/consts/shallow-ref.rs
index e0d8094e13..650d92b205 100644
--- a/tests/compiletests/ui/lang/consts/shallow-ref.rs
+++ b/tests/compiletests/ui/lang/consts/shallow-ref.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test `&'static T` constants where the `T` values don't themselves contain
 // references, and where the `T` values aren't immediately loaded from.
 
diff --git a/tests/compiletests/ui/lang/control_flow/closure_multi.rs b/tests/compiletests/ui/lang/control_flow/closure_multi.rs
index 0bedf85361..8587d563ad 100644
--- a/tests/compiletests/ui/lang/control_flow/closure_multi.rs
+++ b/tests/compiletests/ui/lang/control_flow/closure_multi.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/lang/control_flow/defer.rs b/tests/compiletests/ui/lang/control_flow/defer.rs
index d09881fc48..6d64dbd4bd 100644
--- a/tests/compiletests/ui/lang/control_flow/defer.rs
+++ b/tests/compiletests/ui/lang/control_flow/defer.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/for_range.rs b/tests/compiletests/ui/lang/control_flow/for_range.rs
index 84cb95a7fb..0b26156e15 100644
--- a/tests/compiletests/ui/lang/control_flow/for_range.rs
+++ b/tests/compiletests/ui/lang/control_flow/for_range.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/for_range_signed.rs b/tests/compiletests/ui/lang/control_flow/for_range_signed.rs
index bd868ba7a5..f49dc815ac 100644
--- a/tests/compiletests/ui/lang/control_flow/for_range_signed.rs
+++ b/tests/compiletests/ui/lang/control_flow/for_range_signed.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/for_with_custom_range_iter.rs b/tests/compiletests/ui/lang/control_flow/for_with_custom_range_iter.rs
index cc25fb7262..3d3423b719 100644
--- a/tests/compiletests/ui/lang/control_flow/for_with_custom_range_iter.rs
+++ b/tests/compiletests/ui/lang/control_flow/for_with_custom_range_iter.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // NOTE(eddyb) this tests `for` loop desugaring (with its call to `Iterator::next`
 // and matching on the resulting `Option`), without relying on a `Range` iterator.
 // More precisely, `Range` used to not compile, due to it using `mem::replace`,
diff --git a/tests/compiletests/ui/lang/control_flow/if.rs b/tests/compiletests/ui/lang/control_flow/if.rs
index 324c61ad7a..f854149fda 100644
--- a/tests/compiletests/ui/lang/control_flow/if.rs
+++ b/tests/compiletests/ui/lang/control_flow/if.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/if_else.rs b/tests/compiletests/ui/lang/control_flow/if_else.rs
index 87a89eba0b..be667ce982 100644
--- a/tests/compiletests/ui/lang/control_flow/if_else.rs
+++ b/tests/compiletests/ui/lang/control_flow/if_else.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/if_else_if_else.rs b/tests/compiletests/ui/lang/control_flow/if_else_if_else.rs
index d92948b3d7..548a4806ab 100644
--- a/tests/compiletests/ui/lang/control_flow/if_else_if_else.rs
+++ b/tests/compiletests/ui/lang/control_flow/if_else_if_else.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/if_if.rs b/tests/compiletests/ui/lang/control_flow/if_if.rs
index 3394b268e3..7250fe87d5 100644
--- a/tests/compiletests/ui/lang/control_flow/if_if.rs
+++ b/tests/compiletests/ui/lang/control_flow/if_if.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/if_return_else.rs b/tests/compiletests/ui/lang/control_flow/if_return_else.rs
index cf49a68ac3..81a9dc838b 100644
--- a/tests/compiletests/ui/lang/control_flow/if_return_else.rs
+++ b/tests/compiletests/ui/lang/control_flow/if_return_else.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/if_return_else_return.rs b/tests/compiletests/ui/lang/control_flow/if_return_else_return.rs
index 221c8fd269..9d7d143029 100644
--- a/tests/compiletests/ui/lang/control_flow/if_return_else_return.rs
+++ b/tests/compiletests/ui/lang/control_flow/if_return_else_return.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/if_while.rs b/tests/compiletests/ui/lang/control_flow/if_while.rs
index af749c1d28..80a93b9cd6 100644
--- a/tests/compiletests/ui/lang/control_flow/if_while.rs
+++ b/tests/compiletests/ui/lang/control_flow/if_while.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/ifx2.rs b/tests/compiletests/ui/lang/control_flow/ifx2.rs
index 19563d32a6..8e5adc3121 100644
--- a/tests/compiletests/ui/lang/control_flow/ifx2.rs
+++ b/tests/compiletests/ui/lang/control_flow/ifx2.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/issue_283.rs b/tests/compiletests/ui/lang/control_flow/issue_283.rs
index 0d5352a13a..6216a34ad3 100644
--- a/tests/compiletests/ui/lang/control_flow/issue_283.rs
+++ b/tests/compiletests/ui/lang/control_flow/issue_283.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/loop.rs b/tests/compiletests/ui/lang/control_flow/loop.rs
index d231078164..daf8666f16 100644
--- a/tests/compiletests/ui/lang/control_flow/loop.rs
+++ b/tests/compiletests/ui/lang/control_flow/loop.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while.rs b/tests/compiletests/ui/lang/control_flow/while.rs
index ae130cb632..7e77491422 100644
--- a/tests/compiletests/ui/lang/control_flow/while.rs
+++ b/tests/compiletests/ui/lang/control_flow/while.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_break.rs b/tests/compiletests/ui/lang/control_flow/while_break.rs
index d6d21d0b1f..5d10bbe1c0 100644
--- a/tests/compiletests/ui/lang/control_flow/while_break.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_break.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_continue.rs b/tests/compiletests/ui/lang/control_flow/while_continue.rs
index 9810cf4b10..184c2b346e 100644
--- a/tests/compiletests/ui/lang/control_flow/while_continue.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_continue.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_if_break.rs b/tests/compiletests/ui/lang/control_flow/while_if_break.rs
index f413f9cdf6..4aefa7b2d9 100644
--- a/tests/compiletests/ui/lang/control_flow/while_if_break.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_if_break.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_if_break_else_break.rs b/tests/compiletests/ui/lang/control_flow/while_if_break_else_break.rs
index 96d1d25219..7c1a01eca6 100644
--- a/tests/compiletests/ui/lang/control_flow/while_if_break_else_break.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_if_break_else_break.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_if_break_if_break.rs b/tests/compiletests/ui/lang/control_flow/while_if_break_if_break.rs
index 84212019df..2c78e7d5e2 100644
--- a/tests/compiletests/ui/lang/control_flow/while_if_break_if_break.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_if_break_if_break.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_if_continue.rs b/tests/compiletests/ui/lang/control_flow/while_if_continue.rs
index 9ec2e082f5..ba42ab034d 100644
--- a/tests/compiletests/ui/lang/control_flow/while_if_continue.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_if_continue.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_if_continue_else_continue.rs b/tests/compiletests/ui/lang/control_flow/while_if_continue_else_continue.rs
index a2cb50b6c7..66c8f745ac 100644
--- a/tests/compiletests/ui/lang/control_flow/while_if_continue_else_continue.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_if_continue_else_continue.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_return.rs b/tests/compiletests/ui/lang/control_flow/while_return.rs
index 8150330c92..5aab6f6725 100644
--- a/tests/compiletests/ui/lang/control_flow/while_return.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_return.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_while.rs b/tests/compiletests/ui/lang/control_flow/while_while.rs
index fc88f5a255..08303516dc 100644
--- a/tests/compiletests/ui/lang/control_flow/while_while.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_while.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_while_break.rs b/tests/compiletests/ui/lang/control_flow/while_while_break.rs
index d90c9779ac..288a2e57b1 100644
--- a/tests/compiletests/ui/lang/control_flow/while_while_break.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_while_break.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_while_continue.rs b/tests/compiletests/ui/lang/control_flow/while_while_continue.rs
index 5ae1d793e0..55584e3ac3 100644
--- a/tests/compiletests/ui/lang/control_flow/while_while_continue.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_while_continue.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_while_if_break.rs b/tests/compiletests/ui/lang/control_flow/while_while_if_break.rs
index 0e294ea3da..ef1cab090f 100644
--- a/tests/compiletests/ui/lang/control_flow/while_while_if_break.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_while_if_break.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/control_flow/while_while_if_continue.rs b/tests/compiletests/ui/lang/control_flow/while_while_if_continue.rs
index b770476995..9319e3b27d 100644
--- a/tests/compiletests/ui/lang/control_flow/while_while_if_continue.rs
+++ b/tests/compiletests/ui/lang/control_flow/while_while_if_continue.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/core/array/init_array_i16.rs b/tests/compiletests/ui/lang/core/array/init_array_i16.rs
index d0f3269e0c..0c09df06a6 100644
--- a/tests/compiletests/ui/lang/core/array/init_array_i16.rs
+++ b/tests/compiletests/ui/lang/core/array/init_array_i16.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test creating an array.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/array/init_array_i32.rs b/tests/compiletests/ui/lang/core/array/init_array_i32.rs
index c6fea6b900..6dbb3aef6b 100644
--- a/tests/compiletests/ui/lang/core/array/init_array_i32.rs
+++ b/tests/compiletests/ui/lang/core/array/init_array_i32.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test creating an array.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/array/init_array_i64.rs b/tests/compiletests/ui/lang/core/array/init_array_i64.rs
index 8f5120c27c..54bb081cc5 100644
--- a/tests/compiletests/ui/lang/core/array/init_array_i64.rs
+++ b/tests/compiletests/ui/lang/core/array/init_array_i64.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test creating an array.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/array/init_array_i8.rs b/tests/compiletests/ui/lang/core/array/init_array_i8.rs
index fda9b1abcd..395f7679a9 100644
--- a/tests/compiletests/ui/lang/core/array/init_array_i8.rs
+++ b/tests/compiletests/ui/lang/core/array/init_array_i8.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test creating an array.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/intrinsics/leading_zeros.rs b/tests/compiletests/ui/lang/core/intrinsics/leading_zeros.rs
index d0009ffd1c..358d28946b 100644
--- a/tests/compiletests/ui/lang/core/intrinsics/leading_zeros.rs
+++ b/tests/compiletests/ui/lang/core/intrinsics/leading_zeros.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/core/intrinsics/trailing_zeros.rs b/tests/compiletests/ui/lang/core/intrinsics/trailing_zeros.rs
index a5de0cf946..68c0d81220 100644
--- a/tests/compiletests/ui/lang/core/intrinsics/trailing_zeros.rs
+++ b/tests/compiletests/ui/lang/core/intrinsics/trailing_zeros.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/core/mem/create_unitialized_memory.rs b/tests/compiletests/ui/lang/core/mem/create_unitialized_memory.rs
index 6eef32d8a6..8e3b5ce0cd 100644
--- a/tests/compiletests/ui/lang/core/mem/create_unitialized_memory.rs
+++ b/tests/compiletests/ui/lang/core/mem/create_unitialized_memory.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test creating uninitialized memory.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/ops/logical_and.rs b/tests/compiletests/ui/lang/core/ops/logical_and.rs
index 9982280c17..e5085352ae 100644
--- a/tests/compiletests/ui/lang/core/ops/logical_and.rs
+++ b/tests/compiletests/ui/lang/core/ops/logical_and.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test using `&&` operator.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/ops/range-contains.rs b/tests/compiletests/ui/lang/core/ops/range-contains.rs
index 0372795793..3c87166d4c 100644
--- a/tests/compiletests/ui/lang/core/ops/range-contains.rs
+++ b/tests/compiletests/ui/lang/core/ops/range-contains.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that using `(a..b).contains(&x)`, which is starting to get used
 // in `core` (see https://github.com/rust-lang/rust/pull/87723), cannot
 // cause a fatal error, but at most a zombie or SPIR-V validation error.
diff --git a/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.rs b/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.rs
index 02596f69c3..770575518e 100644
--- a/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.rs
+++ b/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Doesn't work, only worked before because I think it got optimized away before
 // hitting the backend.
 
diff --git a/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.stderr b/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.stderr
index b52a31b6a3..affd2d2052 100644
--- a/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.stderr
+++ b/tests/compiletests/ui/lang/core/ptr/allocate_const_scalar.stderr
@@ -1,7 +1,7 @@
 warning: the feature `ptr_internals` is internal to the compiler or standard library
- --> $DIR/allocate_const_scalar.rs:6:12
+ --> $DIR/allocate_const_scalar.rs:7:12
   |
-6 | #![feature(ptr_internals)]
+7 | #![feature(ptr_internals)]
   |            ^^^^^^^^^^^^^
   |
   = note: using it is strongly discouraged
@@ -10,14 +10,14 @@ warning: the feature `ptr_internals` is internal to the compiler or standard lib
 error: pointer has non-null integer address
    |
 note: used from within `allocate_const_scalar::main`
-  --> $DIR/allocate_const_scalar.rs:16:5
+  --> $DIR/allocate_const_scalar.rs:17:5
    |
-16 |     *output = POINTER;
+17 |     *output = POINTER;
    |     ^^^^^^^^^^^^^^^^^
 note: called by `main`
-  --> $DIR/allocate_const_scalar.rs:15:8
+  --> $DIR/allocate_const_scalar.rs:16:8
    |
-15 | pub fn main(output: &mut Unique<[u8; 4]>) {
+16 | pub fn main(output: &mut Unique<[u8; 4]>) {
    |        ^^^^
 
 error: aborting due to 1 previous error; 1 warning emitted
diff --git a/tests/compiletests/ui/lang/core/ptr/allocate_null.rs b/tests/compiletests/ui/lang/core/ptr/allocate_null.rs
index 7182d94252..c39e5af52e 100644
--- a/tests/compiletests/ui/lang/core/ptr/allocate_null.rs
+++ b/tests/compiletests/ui/lang/core/ptr/allocate_null.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests allocating a null pointer at `const` time.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.rs b/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.rs
index 7319a25ca6..1b3734f924 100644
--- a/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.rs
+++ b/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests using a vector like pointer at `const` time.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.stderr b/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.stderr
index d4376b8486..f7bacbe6c7 100644
--- a/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.stderr
+++ b/tests/compiletests/ui/lang/core/ptr/allocate_vec_like.stderr
@@ -1,7 +1,7 @@
 warning: the feature `ptr_internals` is internal to the compiler or standard library
- --> $DIR/allocate_vec_like.rs:4:12
+ --> $DIR/allocate_vec_like.rs:5:12
   |
-4 | #![feature(ptr_internals)]
+5 | #![feature(ptr_internals)]
   |            ^^^^^^^^^^^^^
   |
   = note: using it is strongly discouraged
diff --git a/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.rs b/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.rs
index e0f13873ba..05db095d3f 100644
--- a/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.rs
+++ b/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // FIXME(eddyb) this is like `member_ref_arg`, but testing the error messages
 // in some broken cases - this test should eventually pass, but for now
 // we care more that the error messages do not regress too much.
diff --git a/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.stderr b/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.stderr
index 21d8dd55b6..20d826917e 100644
--- a/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.stderr
+++ b/tests/compiletests/ui/lang/core/ref/member_ref_arg-broken.stderr
@@ -1,34 +1,34 @@
 warning: `#[inline(never)]` function `member_ref_arg_broken::f` has been inlined
-  --> $DIR/member_ref_arg-broken.rs:20:4
+  --> $DIR/member_ref_arg-broken.rs:21:4
    |
-20 | fn f(x: &u32) -> u32 {
+21 | fn f(x: &u32) -> u32 {
    |    ^
    |
    = note: inlining was required due to illegal (pointer) argument
    = note: called from `member_ref_arg_broken::main`
 
 warning: `#[inline(never)]` function `member_ref_arg_broken::g` has been inlined
-  --> $DIR/member_ref_arg-broken.rs:25:4
+  --> $DIR/member_ref_arg-broken.rs:26:4
    |
-25 | fn g(xy: (&u32, &u32)) -> (u32, u32) {
+26 | fn g(xy: (&u32, &u32)) -> (u32, u32) {
    |    ^
    |
    = note: inlining was required due to illegal (pointer) argument
    = note: called from `member_ref_arg_broken::main`
 
 warning: `#[inline(never)]` function `member_ref_arg_broken::h` has been inlined
-  --> $DIR/member_ref_arg-broken.rs:30:4
+  --> $DIR/member_ref_arg-broken.rs:31:4
    |
-30 | fn h(xyz: (&u32, &u32, &u32)) -> (u32, u32, u32) {
+31 | fn h(xyz: (&u32, &u32, &u32)) -> (u32, u32, u32) {
    |    ^
    |
    = note: inlining was required due to illegal parameter type
    = note: called from `member_ref_arg_broken::main`
 
 warning: `#[inline(never)]` function `member_ref_arg_broken::h_newtyped` has been inlined
-  --> $DIR/member_ref_arg-broken.rs:41:4
+  --> $DIR/member_ref_arg-broken.rs:42:4
    |
-41 | fn h_newtyped(xyz: ((&u32, &u32, &u32),)) -> (u32, u32, u32) {
+42 | fn h_newtyped(xyz: ((&u32, &u32, &u32),)) -> (u32, u32, u32) {
    |    ^^^^^^^^^^
    |
    = note: inlining was required due to illegal parameter type
diff --git a/tests/compiletests/ui/lang/core/ref/member_ref_arg.rs b/tests/compiletests/ui/lang/core/ref/member_ref_arg.rs
index fdf6b1b356..46768a088d 100644
--- a/tests/compiletests/ui/lang/core/ref/member_ref_arg.rs
+++ b/tests/compiletests/ui/lang/core/ref/member_ref_arg.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/core/ref/member_ref_arg.stderr b/tests/compiletests/ui/lang/core/ref/member_ref_arg.stderr
index fd875abfcc..7c682ae9e9 100644
--- a/tests/compiletests/ui/lang/core/ref/member_ref_arg.stderr
+++ b/tests/compiletests/ui/lang/core/ref/member_ref_arg.stderr
@@ -1,16 +1,16 @@
 warning: `#[inline(never)]` function `member_ref_arg::f` has been inlined
-  --> $DIR/member_ref_arg.rs:14:4
+  --> $DIR/member_ref_arg.rs:15:4
    |
-14 | fn f(x: &u32) {}
+15 | fn f(x: &u32) {}
    |    ^
    |
    = note: inlining was required due to illegal (pointer) argument
    = note: called from `member_ref_arg::main`
 
 warning: `#[inline(never)]` function `member_ref_arg::g` has been inlined
-  --> $DIR/member_ref_arg.rs:17:4
+  --> $DIR/member_ref_arg.rs:18:4
    |
-17 | fn g(xy: (&u32, &u32)) {}
+18 | fn g(xy: (&u32, &u32)) {}
    |    ^
    |
    = note: inlining was required due to illegal (pointer) argument
diff --git a/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.rs b/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.rs
index cdb10e4fbd..db14b93b7c 100644
--- a/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.rs
+++ b/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // FIXME(eddyb) this is like `zst_member_ref_arg`, but testing the error messages
 // in some broken cases (see issue #1037) - this test should eventually pass, but
 // for now we care more that the error messages do not regress too much.
diff --git a/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.stderr b/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.stderr
index 126ff058ac..3155eff5dc 100644
--- a/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.stderr
+++ b/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg-broken.stderr
@@ -1,166 +1,166 @@
 error: cannot offset a pointer to an arbitrary element
-  --> $DIR/zst_member_ref_arg-broken.rs:23:7
+  --> $DIR/zst_member_ref_arg-broken.rs:24:7
    |
-23 |     f(&s.y);
+24 |     f(&s.y);
    |       ^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar`
-  --> $DIR/zst_member_ref_arg-broken.rs:23:7
+  --> $DIR/zst_member_ref_arg-broken.rs:24:7
    |
-23 |     f(&s.y);
+24 |     f(&s.y);
    |       ^^^^
 note: called by `main_scalar`
-  --> $DIR/zst_member_ref_arg-broken.rs:22:8
+  --> $DIR/zst_member_ref_arg-broken.rs:23:8
    |
-22 | pub fn main_scalar(#[spirv(push_constant)] s: &S<usize>) {
+23 | pub fn main_scalar(#[spirv(push_constant)] s: &S<usize>) {
    |        ^^^^^^^^^^^
 
 error: cannot cast between pointer types
        from `*u32`
          to `*u8`
-  --> $DIR/zst_member_ref_arg-broken.rs:23:7
+  --> $DIR/zst_member_ref_arg-broken.rs:24:7
    |
-23 |     f(&s.y);
+24 |     f(&s.y);
    |       ^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar`
-  --> $DIR/zst_member_ref_arg-broken.rs:23:7
+  --> $DIR/zst_member_ref_arg-broken.rs:24:7
    |
-23 |     f(&s.y);
+24 |     f(&s.y);
    |       ^^^^
 note: called by `main_scalar`
-  --> $DIR/zst_member_ref_arg-broken.rs:22:8
+  --> $DIR/zst_member_ref_arg-broken.rs:23:8
    |
-22 | pub fn main_scalar(#[spirv(push_constant)] s: &S<usize>) {
+23 | pub fn main_scalar(#[spirv(push_constant)] s: &S<usize>) {
    |        ^^^^^^^^^^^
 
 error: cannot cast between pointer types
        from `*u8`
          to `*struct B {  }`
-  --> $DIR/zst_member_ref_arg-broken.rs:23:5
+  --> $DIR/zst_member_ref_arg-broken.rs:24:5
    |
-23 |     f(&s.y);
+24 |     f(&s.y);
    |     ^^^^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar`
-  --> $DIR/zst_member_ref_arg-broken.rs:23:5
+  --> $DIR/zst_member_ref_arg-broken.rs:24:5
    |
-23 |     f(&s.y);
+24 |     f(&s.y);
    |     ^^^^^^^
 note: called by `main_scalar`
-  --> $DIR/zst_member_ref_arg-broken.rs:22:8
+  --> $DIR/zst_member_ref_arg-broken.rs:23:8
    |
-22 | pub fn main_scalar(#[spirv(push_constant)] s: &S<usize>) {
+23 | pub fn main_scalar(#[spirv(push_constant)] s: &S<usize>) {
    |        ^^^^^^^^^^^
 
 error: cannot offset a pointer to an arbitrary element
-  --> $DIR/zst_member_ref_arg-broken.rs:28:7
+  --> $DIR/zst_member_ref_arg-broken.rs:29:7
    |
-28 |     f(&s.y);
+29 |     f(&s.y);
    |       ^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar_pair`
-  --> $DIR/zst_member_ref_arg-broken.rs:28:7
+  --> $DIR/zst_member_ref_arg-broken.rs:29:7
    |
-28 |     f(&s.y);
+29 |     f(&s.y);
    |       ^^^^
 note: called by `main_scalar_pair`
-  --> $DIR/zst_member_ref_arg-broken.rs:27:8
+  --> $DIR/zst_member_ref_arg-broken.rs:28:8
    |
-27 | pub fn main_scalar_pair(#[spirv(push_constant)] s: &S<usize, usize>) {
+28 | pub fn main_scalar_pair(#[spirv(push_constant)] s: &S<usize, usize>) {
    |        ^^^^^^^^^^^^^^^^
 
 error: cannot cast between pointer types
        from `*struct S<usize, usize> { u32, u32 }`
          to `*u8`
-  --> $DIR/zst_member_ref_arg-broken.rs:28:7
+  --> $DIR/zst_member_ref_arg-broken.rs:29:7
    |
-28 |     f(&s.y);
+29 |     f(&s.y);
    |       ^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar_pair`
-  --> $DIR/zst_member_ref_arg-broken.rs:28:7
+  --> $DIR/zst_member_ref_arg-broken.rs:29:7
    |
-28 |     f(&s.y);
+29 |     f(&s.y);
    |       ^^^^
 note: called by `main_scalar_pair`
-  --> $DIR/zst_member_ref_arg-broken.rs:27:8
+  --> $DIR/zst_member_ref_arg-broken.rs:28:8
    |
-27 | pub fn main_scalar_pair(#[spirv(push_constant)] s: &S<usize, usize>) {
+28 | pub fn main_scalar_pair(#[spirv(push_constant)] s: &S<usize, usize>) {
    |        ^^^^^^^^^^^^^^^^
 
 error: cannot cast between pointer types
        from `*u8`
          to `*struct B {  }`
-  --> $DIR/zst_member_ref_arg-broken.rs:28:5
+  --> $DIR/zst_member_ref_arg-broken.rs:29:5
    |
-28 |     f(&s.y);
+29 |     f(&s.y);
    |     ^^^^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar_pair`
-  --> $DIR/zst_member_ref_arg-broken.rs:28:5
+  --> $DIR/zst_member_ref_arg-broken.rs:29:5
    |
-28 |     f(&s.y);
+29 |     f(&s.y);
    |     ^^^^^^^
 note: called by `main_scalar_pair`
-  --> $DIR/zst_member_ref_arg-broken.rs:27:8
+  --> $DIR/zst_member_ref_arg-broken.rs:28:8
    |
-27 | pub fn main_scalar_pair(#[spirv(push_constant)] s: &S<usize, usize>) {
+28 | pub fn main_scalar_pair(#[spirv(push_constant)] s: &S<usize, usize>) {
    |        ^^^^^^^^^^^^^^^^
 
 error: cannot offset a pointer to an arbitrary element
-  --> $DIR/zst_member_ref_arg-broken.rs:33:7
+  --> $DIR/zst_member_ref_arg-broken.rs:34:7
    |
-33 |     f(&s.y);
+34 |     f(&s.y);
    |       ^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar_scalar_pair_nested`
-  --> $DIR/zst_member_ref_arg-broken.rs:33:7
+  --> $DIR/zst_member_ref_arg-broken.rs:34:7
    |
-33 |     f(&s.y);
+34 |     f(&s.y);
    |       ^^^^
 note: called by `main_scalar_scalar_pair_nested`
-  --> $DIR/zst_member_ref_arg-broken.rs:32:8
+  --> $DIR/zst_member_ref_arg-broken.rs:33:8
    |
-32 | pub fn main_scalar_scalar_pair_nested(#[spirv(push_constant)] s: &S<(usize, usize)>) {
+33 | pub fn main_scalar_scalar_pair_nested(#[spirv(push_constant)] s: &S<(usize, usize)>) {
    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: cannot cast between pointer types
        from `*struct (usize, usize) { u32, u32 }`
          to `*u8`
-  --> $DIR/zst_member_ref_arg-broken.rs:33:7
+  --> $DIR/zst_member_ref_arg-broken.rs:34:7
    |
-33 |     f(&s.y);
+34 |     f(&s.y);
    |       ^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar_scalar_pair_nested`
-  --> $DIR/zst_member_ref_arg-broken.rs:33:7
+  --> $DIR/zst_member_ref_arg-broken.rs:34:7
    |
-33 |     f(&s.y);
+34 |     f(&s.y);
    |       ^^^^
 note: called by `main_scalar_scalar_pair_nested`
-  --> $DIR/zst_member_ref_arg-broken.rs:32:8
+  --> $DIR/zst_member_ref_arg-broken.rs:33:8
    |
-32 | pub fn main_scalar_scalar_pair_nested(#[spirv(push_constant)] s: &S<(usize, usize)>) {
+33 | pub fn main_scalar_scalar_pair_nested(#[spirv(push_constant)] s: &S<(usize, usize)>) {
    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: cannot cast between pointer types
        from `*u8`
          to `*struct B {  }`
-  --> $DIR/zst_member_ref_arg-broken.rs:33:5
+  --> $DIR/zst_member_ref_arg-broken.rs:34:5
    |
-33 |     f(&s.y);
+34 |     f(&s.y);
    |     ^^^^^^^
    |
 note: used from within `zst_member_ref_arg_broken::main_scalar_scalar_pair_nested`
-  --> $DIR/zst_member_ref_arg-broken.rs:33:5
+  --> $DIR/zst_member_ref_arg-broken.rs:34:5
    |
-33 |     f(&s.y);
+34 |     f(&s.y);
    |     ^^^^^^^
 note: called by `main_scalar_scalar_pair_nested`
-  --> $DIR/zst_member_ref_arg-broken.rs:32:8
+  --> $DIR/zst_member_ref_arg-broken.rs:33:8
    |
-32 | pub fn main_scalar_scalar_pair_nested(#[spirv(push_constant)] s: &S<(usize, usize)>) {
+33 | pub fn main_scalar_scalar_pair_nested(#[spirv(push_constant)] s: &S<(usize, usize)>) {
    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 9 previous errors
diff --git a/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg.rs b/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg.rs
index 4e99f1e2e3..ee99831421 100644
--- a/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg.rs
+++ b/tests/compiletests/ui/lang/core/ref/zst_member_ref_arg.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 struct A;
diff --git a/tests/compiletests/ui/lang/core/unwrap_or.rs b/tests/compiletests/ui/lang/core/unwrap_or.rs
index d6644a902f..06ddca8a49 100644
--- a/tests/compiletests/ui/lang/core/unwrap_or.rs
+++ b/tests/compiletests/ui/lang/core/unwrap_or.rs
@@ -4,7 +4,7 @@
 // OpINotEqual, as well as %bool, should not appear in the output.
 
 // build-pass
-// compile-flags: -C llvm-args=--disassemble-entry=main
+// compile-flags: -C llvm-args=--disassemble-entry=main,--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/f32/packing.rs b/tests/compiletests/ui/lang/f32/packing.rs
index 0cb1c47da9..30356d5806 100644
--- a/tests/compiletests/ui/lang/f32/packing.rs
+++ b/tests/compiletests/ui/lang/f32/packing.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that various packing methods work.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/f32/signum.rs b/tests/compiletests/ui/lang/f32/signum.rs
index 205d4b85f4..a45f286bba 100644
--- a/tests/compiletests/ui/lang/f32/signum.rs
+++ b/tests/compiletests/ui/lang/f32/signum.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that `signum` works.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/issue-415.rs b/tests/compiletests/ui/lang/issue-415.rs
index d689f91f33..e575d48dbc 100644
--- a/tests/compiletests/ui/lang/issue-415.rs
+++ b/tests/compiletests/ui/lang/issue-415.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that zero sized unions don't ICE (even if unions are generally not supported yet)
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/issue-46.rs b/tests/compiletests/ui/lang/issue-46.rs
index 99a0835a95..59e2dea320 100644
--- a/tests/compiletests/ui/lang/issue-46.rs
+++ b/tests/compiletests/ui/lang/issue-46.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/lang/issue-836.rs b/tests/compiletests/ui/lang/issue-836.rs
index 1919fa3b32..9256a02401 100644
--- a/tests/compiletests/ui/lang/issue-836.rs
+++ b/tests/compiletests/ui/lang/issue-836.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that newtypes of `ScalarPair` can have references taken to their field.
 
 // build-pass
diff --git a/tests/compiletests/ui/lang/panic/builtin.rs b/tests/compiletests/ui/lang/panic/builtin.rs
index fca1b971bc..972173c7e6 100644
--- a/tests/compiletests/ui/lang/panic/builtin.rs
+++ b/tests/compiletests/ui/lang/panic/builtin.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test panics coming from the Rust language such as `1 / 0`.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/panic/builtin_bounds_check.rs b/tests/compiletests/ui/lang/panic/builtin_bounds_check.rs
index 0b94fedbdf..a1202a8fae 100644
--- a/tests/compiletests/ui/lang/panic/builtin_bounds_check.rs
+++ b/tests/compiletests/ui/lang/panic/builtin_bounds_check.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that bounds checking causes panics.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/panic/simple.rs b/tests/compiletests/ui/lang/panic/simple.rs
index 8405097916..ca658add8d 100644
--- a/tests/compiletests/ui/lang/panic/simple.rs
+++ b/tests/compiletests/ui/lang/panic/simple.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that calling `panic!` works.
 // build-pass
 
diff --git a/tests/compiletests/ui/lang/panic/track_caller.rs b/tests/compiletests/ui/lang/panic/track_caller.rs
index 436136876c..7acbfc89fd 100644
--- a/tests/compiletests/ui/lang/panic/track_caller.rs
+++ b/tests/compiletests/ui/lang/panic/track_caller.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that propagating `#[track_caller]` doesn't cause constant-related errors.
 
 // build-pass
diff --git a/tests/compiletests/ui/lang/panic/track_caller.stderr b/tests/compiletests/ui/lang/panic/track_caller.stderr
index 0b97060a71..46e0aa551d 100644
--- a/tests/compiletests/ui/lang/panic/track_caller.stderr
+++ b/tests/compiletests/ui/lang/panic/track_caller.stderr
@@ -1,7 +1,7 @@
 warning: `#[inline(never)]` function `track_caller::track_caller_maybe_panic::panic_cold_explicit` has been inlined
-  --> $DIR/track_caller.rs:10:9
+  --> $DIR/track_caller.rs:11:9
    |
-10 |         panic!();
+11 |         panic!();
    |         ^^^^^^^^
    |
    = note: inlining was required due to panicking
diff --git a/tests/compiletests/ui/lang/u32/bit_reverse.rs b/tests/compiletests/ui/lang/u32/bit_reverse.rs
index 41bfa8aac1..2caace597e 100644
--- a/tests/compiletests/ui/lang/u32/bit_reverse.rs
+++ b/tests/compiletests/ui/lang/u32/bit_reverse.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test all trailing and leading zeros. No need to test ones, they just call the zero variant with !value
 
 // build-pass
diff --git a/tests/compiletests/ui/lang/u32/count_ones.rs b/tests/compiletests/ui/lang/u32/count_ones.rs
index 11058eea4c..682331581f 100644
--- a/tests/compiletests/ui/lang/u32/count_ones.rs
+++ b/tests/compiletests/ui/lang/u32/count_ones.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test all trailing and leading zeros. No need to test ones, they just call the zero variant with !value
 
 // build-pass
diff --git a/tests/compiletests/ui/spirv-attr/all-builtins.rs b/tests/compiletests/ui/spirv-attr/all-builtins.rs
index cd83259d39..5cae20a2c0 100644
--- a/tests/compiletests/ui/spirv-attr/all-builtins.rs
+++ b/tests/compiletests/ui/spirv-attr/all-builtins.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // only-vulkan1.1
 // compile-flags: -Ctarget-feature=+DeviceGroup,+DrawParameters,+FragmentBarycentricNV,+FragmentBarycentricKHR,+FragmentDensityEXT,+FragmentFullyCoveredEXT,+Geometry,+GroupNonUniform,+GroupNonUniformBallot,+MeshShadingNV,+MultiView,+MultiViewport,+RayTracingKHR,+SampleRateShading,+ShaderSMBuiltinsNV,+ShaderStereoViewNV,+StencilExportEXT,+Tessellation,+ext:SPV_AMD_shader_explicit_vertex_parameter,+ext:SPV_EXT_fragment_fully_covered,+ext:SPV_EXT_fragment_invocation_density,+ext:SPV_EXT_shader_stencil_export,+ext:SPV_KHR_ray_tracing,+ext:SPV_NV_fragment_shader_barycentric,+ext:SPV_NV_mesh_shader,+ext:SPV_NV_shader_sm_builtins,+ext:SPV_NV_stereo_view_rendering
 
diff --git a/tests/compiletests/ui/spirv-attr/bool-inputs-err.rs b/tests/compiletests/ui/spirv-attr/bool-inputs-err.rs
index d157703a06..4526be29bf 100644
--- a/tests/compiletests/ui/spirv-attr/bool-inputs-err.rs
+++ b/tests/compiletests/ui/spirv-attr/bool-inputs-err.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/spirv-attr/bool-inputs-err.stderr b/tests/compiletests/ui/spirv-attr/bool-inputs-err.stderr
index 2f79db13b5..a1b8311037 100644
--- a/tests/compiletests/ui/spirv-attr/bool-inputs-err.stderr
+++ b/tests/compiletests/ui/spirv-attr/bool-inputs-err.stderr
@@ -1,25 +1,25 @@
 error: entry-point parameter cannot contain `bool`s
-  --> $DIR/bool-inputs-err.rs:13:12
+  --> $DIR/bool-inputs-err.rs:14:12
    |
-13 |     input: bool,
+14 |     input: bool,
    |            ^^^^
 
 error: entry-point parameter cannot contain `bool`s
-  --> $DIR/bool-inputs-err.rs:14:13
+  --> $DIR/bool-inputs-err.rs:15:13
    |
-14 |     output: &mut bool,
+15 |     output: &mut bool,
    |             ^^^^^^^^^
 
 error: entry-point parameter cannot contain `bool`s
-  --> $DIR/bool-inputs-err.rs:15:35
+  --> $DIR/bool-inputs-err.rs:16:35
    |
-15 |     #[spirv(push_constant)] push: &bool,
+16 |     #[spirv(push_constant)] push: &bool,
    |                                   ^^^^^
 
 error: entry-point parameter cannot contain `bool`s
-  --> $DIR/bool-inputs-err.rs:16:32
+  --> $DIR/bool-inputs-err.rs:17:32
    |
-16 |     #[spirv(uniform)] uniform: &Boolthing,
+17 |     #[spirv(uniform)] uniform: &Boolthing,
    |                                ^^^^^^^^^^
 
 error: aborting due to 4 previous errors
diff --git a/tests/compiletests/ui/spirv-attr/bool-inputs.rs b/tests/compiletests/ui/spirv-attr/bool-inputs.rs
index c0d74df93b..c3fce8f037 100644
--- a/tests/compiletests/ui/spirv-attr/bool-inputs.rs
+++ b/tests/compiletests/ui/spirv-attr/bool-inputs.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+FragmentFullyCoveredEXT,+ext:SPV_EXT_fragment_fully_covered
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/spirv-attr/int-without-flat.rs b/tests/compiletests/ui/spirv-attr/int-without-flat.rs
index 5536f1a2b9..5aa437fed4 100644
--- a/tests/compiletests/ui/spirv-attr/int-without-flat.rs
+++ b/tests/compiletests/ui/spirv-attr/int-without-flat.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/spirv-attr/int-without-flat.stderr b/tests/compiletests/ui/spirv-attr/int-without-flat.stderr
index 45b5fcbc6b..ac6526f8b7 100644
--- a/tests/compiletests/ui/spirv-attr/int-without-flat.stderr
+++ b/tests/compiletests/ui/spirv-attr/int-without-flat.stderr
@@ -1,13 +1,13 @@
 error: `Fragment` entry-point `Input` parameter must be decorated with `#[spirv(flat)]`
- --> $DIR/int-without-flat.rs:6:22
+ --> $DIR/int-without-flat.rs:7:22
   |
-6 | pub fn fragment(int: u32, double: f64) {}
+7 | pub fn fragment(int: u32, double: f64) {}
   |                      ^^^
 
 error: `Fragment` entry-point `Input` parameter must be decorated with `#[spirv(flat)]`
- --> $DIR/int-without-flat.rs:6:35
+ --> $DIR/int-without-flat.rs:7:35
   |
-6 | pub fn fragment(int: u32, double: f64) {}
+7 | pub fn fragment(int: u32, double: f64) {}
   |                                   ^^^
 
 error: aborting due to 2 previous errors
diff --git a/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.rs b/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.rs
index f323a3f17a..d6eb4187f7 100644
--- a/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.rs
+++ b/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests that matrix type inference fails correctly, for empty struct
 // build-fail
 
diff --git a/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.stderr b/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.stderr
index d34ef0ac5e..34c01f2b9f 100644
--- a/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.stderr
+++ b/tests/compiletests/ui/spirv-attr/invalid-matrix-type-empty.stderr
@@ -1,7 +1,7 @@
 error: #[spirv(matrix)] type must have at least two fields
- --> $DIR/invalid-matrix-type-empty.rs:7:1
+ --> $DIR/invalid-matrix-type-empty.rs:8:1
   |
-7 | pub struct EmptyStruct {}
+8 | pub struct EmptyStruct {}
   | ^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 1 previous error
diff --git a/tests/compiletests/ui/spirv-attr/invalid-matrix-type.rs b/tests/compiletests/ui/spirv-attr/invalid-matrix-type.rs
index 1fba8e60af..fe9254c740 100644
--- a/tests/compiletests/ui/spirv-attr/invalid-matrix-type.rs
+++ b/tests/compiletests/ui/spirv-attr/invalid-matrix-type.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests that matrix type inference fails correctly
 // build-fail
 
diff --git a/tests/compiletests/ui/spirv-attr/invalid-matrix-type.stderr b/tests/compiletests/ui/spirv-attr/invalid-matrix-type.stderr
index eda87f4c6e..6f5cb89be0 100644
--- a/tests/compiletests/ui/spirv-attr/invalid-matrix-type.stderr
+++ b/tests/compiletests/ui/spirv-attr/invalid-matrix-type.stderr
@@ -1,21 +1,21 @@
 error: #[spirv(matrix)] type must have at least two fields
- --> $DIR/invalid-matrix-type.rs:7:1
+ --> $DIR/invalid-matrix-type.rs:8:1
   |
-7 | pub struct _FewerFields {
+8 | pub struct _FewerFields {
   | ^^^^^^^^^^^^^^^^^^^^^^^
 
 error: #[spirv(matrix)] type fields must all be vectors
-  --> $DIR/invalid-matrix-type.rs:12:1
+  --> $DIR/invalid-matrix-type.rs:13:1
    |
-12 | pub struct _NotVectorField {
+13 | pub struct _NotVectorField {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: field type is f32
 
 error: #[spirv(matrix)] type fields must all be the same type
-  --> $DIR/invalid-matrix-type.rs:19:1
+  --> $DIR/invalid-matrix-type.rs:20:1
    |
-19 | pub struct _DifferentType {
+20 | pub struct _DifferentType {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 3 previous errors
diff --git a/tests/compiletests/ui/spirv-attr/matrix-type.rs b/tests/compiletests/ui/spirv-attr/matrix-type.rs
index ef8ca60349..089ee92764 100644
--- a/tests/compiletests/ui/spirv-attr/matrix-type.rs
+++ b/tests/compiletests/ui/spirv-attr/matrix-type.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -Ctarget-feature=+RayTracingKHR,+ext:SPV_KHR_ray_tracing
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 
diff --git a/tests/compiletests/ui/storage_class/mutability-errors.rs b/tests/compiletests/ui/storage_class/mutability-errors.rs
index e31ed99c80..3d0e953839 100644
--- a/tests/compiletests/ui/storage_class/mutability-errors.rs
+++ b/tests/compiletests/ui/storage_class/mutability-errors.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Tests that using `&mut` (or interior mutability) with read-only storage classes
 // does actually error (see `mutability-errors.stderr` for the error messages).
 // build-fail
diff --git a/tests/compiletests/ui/storage_class/mutability-errors.stderr b/tests/compiletests/ui/storage_class/mutability-errors.stderr
index dc0a1c17dc..de04294825 100644
--- a/tests/compiletests/ui/storage_class/mutability-errors.stderr
+++ b/tests/compiletests/ui/storage_class/mutability-errors.stderr
@@ -1,79 +1,79 @@
 error: entry-point requires a mutable reference...
-  --> $DIR/mutability-errors.rs:10:78
+  --> $DIR/mutability-errors.rs:11:78
    |
-10 |     #[spirv(descriptor_set = 0, binding = 0)] implicit_uniform_constant_mut: &mut Image2d,
+11 |     #[spirv(descriptor_set = 0, binding = 0)] implicit_uniform_constant_mut: &mut Image2d,
    |                                                                              ^^^^^^^^^^^^
    |
 note: ...but storage class `UniformConstant` is read-only
-  --> $DIR/mutability-errors.rs:10:78
+  --> $DIR/mutability-errors.rs:11:78
    |
-10 |     #[spirv(descriptor_set = 0, binding = 0)] implicit_uniform_constant_mut: &mut Image2d,
+11 |     #[spirv(descriptor_set = 0, binding = 0)] implicit_uniform_constant_mut: &mut Image2d,
    |                                                                              ^^^^^^^^^^^^ `UniformConstant` deduced from type
 
 warning: redundant storage class attribute, storage class is deduced from type
-  --> $DIR/mutability-errors.rs:11:13
+  --> $DIR/mutability-errors.rs:12:13
    |
-11 |     #[spirv(uniform_constant, descriptor_set = 0, binding = 0)] uniform_constant_mut: &mut Image2d,
+12 |     #[spirv(uniform_constant, descriptor_set = 0, binding = 0)] uniform_constant_mut: &mut Image2d,
    |             ^^^^^^^^^^^^^^^^
 
 error: entry-point requires a mutable reference...
-  --> $DIR/mutability-errors.rs:11:87
+  --> $DIR/mutability-errors.rs:12:87
    |
-11 |     #[spirv(uniform_constant, descriptor_set = 0, binding = 0)] uniform_constant_mut: &mut Image2d,
+12 |     #[spirv(uniform_constant, descriptor_set = 0, binding = 0)] uniform_constant_mut: &mut Image2d,
    |                                                                                       ^^^^^^^^^^^^
    |
 note: ...but storage class `UniformConstant` is read-only
-  --> $DIR/mutability-errors.rs:11:13
+  --> $DIR/mutability-errors.rs:12:13
    |
-11 |     #[spirv(uniform_constant, descriptor_set = 0, binding = 0)] uniform_constant_mut: &mut Image2d,
+12 |     #[spirv(uniform_constant, descriptor_set = 0, binding = 0)] uniform_constant_mut: &mut Image2d,
    |             ^^^^^^^^^^^^^^^^ `UniformConstant` specified in attribute
 
 error: entry-point requires a mutable reference...
-  --> $DIR/mutability-errors.rs:12:69
+  --> $DIR/mutability-errors.rs:13:69
    |
-12 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_mut: &mut u32,
+13 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_mut: &mut u32,
    |                                                                     ^^^^^^^^
    |
 note: ...but storage class `Uniform` is read-only
-  --> $DIR/mutability-errors.rs:12:13
+  --> $DIR/mutability-errors.rs:13:13
    |
-12 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_mut: &mut u32,
+13 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_mut: &mut u32,
    |             ^^^^^^^ `Uniform` specified in attribute
 
 error: entry-point requires interior mutability...
-  --> $DIR/mutability-errors.rs:13:78
+  --> $DIR/mutability-errors.rs:14:78
    |
-13 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_interior_mut: &AtomicU32,
+14 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_interior_mut: &AtomicU32,
    |                                                                              ^^^^^^^^^^
    |
 note: ...but storage class `Uniform` is read-only
-  --> $DIR/mutability-errors.rs:13:13
+  --> $DIR/mutability-errors.rs:14:13
    |
-13 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_interior_mut: &AtomicU32,
+14 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] uniform_interior_mut: &AtomicU32,
    |             ^^^^^^^ `Uniform` specified in attribute
 
 error: entry-point requires a mutable reference...
-  --> $DIR/mutability-errors.rs:14:48
+  --> $DIR/mutability-errors.rs:15:48
    |
-14 |     #[spirv(push_constant)] push_constant_mut: &mut u32,
+15 |     #[spirv(push_constant)] push_constant_mut: &mut u32,
    |                                                ^^^^^^^^
    |
 note: ...but storage class `PushConstant` is read-only
-  --> $DIR/mutability-errors.rs:14:13
+  --> $DIR/mutability-errors.rs:15:13
    |
-14 |     #[spirv(push_constant)] push_constant_mut: &mut u32,
+15 |     #[spirv(push_constant)] push_constant_mut: &mut u32,
    |             ^^^^^^^^^^^^^ `PushConstant` specified in attribute
 
 error: entry-point requires interior mutability...
-  --> $DIR/mutability-errors.rs:15:57
+  --> $DIR/mutability-errors.rs:16:57
    |
-15 |     #[spirv(push_constant)] push_constant_interior_mut: &AtomicU32,
+16 |     #[spirv(push_constant)] push_constant_interior_mut: &AtomicU32,
    |                                                         ^^^^^^^^^^
    |
 note: ...but storage class `PushConstant` is read-only
-  --> $DIR/mutability-errors.rs:15:13
+  --> $DIR/mutability-errors.rs:16:13
    |
-15 |     #[spirv(push_constant)] push_constant_interior_mut: &AtomicU32,
+16 |     #[spirv(push_constant)] push_constant_interior_mut: &AtomicU32,
    |             ^^^^^^^^^^^^^ `PushConstant` specified in attribute
 
 error: aborting due to 6 previous errors; 1 warning emitted
diff --git a/tests/compiletests/ui/storage_class/push_constant.rs b/tests/compiletests/ui/storage_class/push_constant.rs
index 3dd63231e0..5a7b0f0155 100644
--- a/tests/compiletests/ui/storage_class/push_constant.rs
+++ b/tests/compiletests/ui/storage_class/push_constant.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that using push constants passes (Vulkan) validation.
 
 // build-pass
diff --git a/tests/compiletests/ui/storage_class/runtime_descriptor_array.rs b/tests/compiletests/ui/storage_class/runtime_descriptor_array.rs
index 0596b56725..989995e814 100644
--- a/tests/compiletests/ui/storage_class/runtime_descriptor_array.rs
+++ b/tests/compiletests/ui/storage_class/runtime_descriptor_array.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+RuntimeDescriptorArray,+ext:SPV_EXT_descriptor_indexing
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use spirv_std::spirv;
 use spirv_std::{Image, RuntimeArray, Sampler};
diff --git a/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.rs b/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.rs
index 5ccefec3de..7a0cbfc07d 100644
--- a/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.rs
+++ b/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // build-fail
 
 use spirv_std::{Image, RuntimeArray, spirv};
diff --git a/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.stderr b/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.stderr
index a3c0d1b0b6..15d94679c3 100644
--- a/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.stderr
+++ b/tests/compiletests/ui/storage_class/runtime_descriptor_array_error.stderr
@@ -1,13 +1,13 @@
 error: descriptor indexing must use &RuntimeArray<T>, not &[T]
- --> $DIR/runtime_descriptor_array_error.rs:7:52
+ --> $DIR/runtime_descriptor_array_error.rs:8:52
   |
-7 |     #[spirv(descriptor_set = 0, binding = 0)] one: &[Image!(2D, type=f32, sampled)],
+8 |     #[spirv(descriptor_set = 0, binding = 0)] one: &[Image!(2D, type=f32, sampled)],
   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: use &[T] instead of &RuntimeArray<T>
- --> $DIR/runtime_descriptor_array_error.rs:8:61
+ --> $DIR/runtime_descriptor_array_error.rs:9:61
   |
-8 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] two: &RuntimeArray<u32>,
+9 |     #[spirv(uniform, descriptor_set = 0, binding = 0)] two: &RuntimeArray<u32>,
   |                                                             ^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 1 previous error; 1 warning emitted
diff --git a/tests/compiletests/ui/storage_class/storage_buffer-dst.rs b/tests/compiletests/ui/storage_class/storage_buffer-dst.rs
index 8f9176ee73..0943fabf88 100644
--- a/tests/compiletests/ui/storage_class/storage_buffer-dst.rs
+++ b/tests/compiletests/ui/storage_class/storage_buffer-dst.rs
@@ -1,3 +1,4 @@
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 // Test that using DST (i.e. slice) storage buffers passes (Vulkan) validation.
 
 // build-pass
diff --git a/tests/compiletests/ui/storage_class/typed_buffer.rs b/tests/compiletests/ui/storage_class/typed_buffer.rs
index f9f74bd3bd..bf7c6937dc 100644
--- a/tests/compiletests/ui/storage_class/typed_buffer.rs
+++ b/tests/compiletests/ui/storage_class/typed_buffer.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec4;
 use spirv_std::TypedBuffer;
diff --git a/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array.rs b/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array.rs
index 1383707dec..02c9c222de 100644
--- a/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array.rs
+++ b/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+RuntimeDescriptorArray,+ext:SPV_EXT_descriptor_indexing
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec4;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array_slice.rs b/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array_slice.rs
index 9e62e99706..f5875c2760 100644
--- a/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array_slice.rs
+++ b/tests/compiletests/ui/storage_class/typed_buffer_descriptor_array_slice.rs
@@ -1,5 +1,6 @@
 // build-pass
 // compile-flags: -C target-feature=+RuntimeDescriptorArray,+ext:SPV_EXT_descriptor_indexing
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec4;
 use spirv_std::spirv;
diff --git a/tests/compiletests/ui/storage_class/typed_buffer_slice.rs b/tests/compiletests/ui/storage_class/typed_buffer_slice.rs
index b5bb2b84d9..127eba6ae6 100644
--- a/tests/compiletests/ui/storage_class/typed_buffer_slice.rs
+++ b/tests/compiletests/ui/storage_class/typed_buffer_slice.rs
@@ -1,4 +1,5 @@
 // build-pass
+// compile-flags: -C llvm-args=--allow-fragment-no-output
 
 use glam::Vec4;
 use spirv_std::TypedBuffer;