1; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-vulkan-unknown %s -o - | FileCheck %s 2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-vulkan-unknown %s -o - -filetype=obj | spirv-val %} 3 4; This file generated from the following command: 5; clang -cc1 -triple spirv-vulkan-compute -x hlsl -emit-llvm -finclude-default-header -o - - <<EOF 6; [numthreads(1, 1, 1)] 7; void main() { 8; int idx = WaveGetLaneIndex(); 9; } 10; EOF 11 12; CHECK-DAG: OpCapability Shader 13; CHECK-DAG: OpCapability GroupNonUniform 14; CHECK-DAG: OpDecorate %[[#var:]] BuiltIn SubgroupLocalInvocationId 15; CHECK-DAG: %[[#int:]] = OpTypeInt 32 0 16; CHECK-DAG: %[[#ptri:]] = OpTypePointer Input %[[#int]] 17; CHECK-DAG: %[[#ptrf:]] = OpTypePointer Function %[[#int]] 18; CHECK-DAG: %[[#var]] = OpVariable %[[#ptri]] Input 19 20; CHECK-NOT: OpDecorate %[[#var]] LinkageAttributes 21 22 23; ModuleID = '-' 24source_filename = "-" 25target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024" 26target triple = "spirv-unknown-vulkan-compute" 27 28; Function Attrs: convergent noinline norecurse nounwind optnone 29define internal spir_func void @main() #0 { 30entry: 31 %0 = call token @llvm.experimental.convergence.entry() 32 %idx = alloca i32, align 4 33; CHECK: %[[#idx:]] = OpVariable %[[#ptrf]] Function 34 35 %1 = call i32 @__hlsl_wave_get_lane_index() [ "convergencectrl"(token %0) ] 36; CHECK: %[[#tmp:]] = OpLoad %[[#int]] %[[#var]] 37 38 store i32 %1, ptr %idx, align 4 39; CHECK: OpStore %[[#idx]] %[[#tmp]] 40 41 ret void 42} 43 44; Function Attrs: norecurse 45define void @main.1() #1 { 46entry: 47 call void @main() 48 ret void 49} 50 51; Function Attrs: convergent 52declare i32 @__hlsl_wave_get_lane_index() #2 53 54; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none) 55declare token @llvm.experimental.convergence.entry() #3 56 57attributes #0 = { convergent noinline norecurse nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 58attributes #1 = { norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 59attributes #2 = { convergent } 60attributes #3 = { convergent nocallback nofree nosync nounwind willreturn memory(none) } 61 62!llvm.module.flags = !{!0, !1} 63!llvm.ident = !{!2} 64 65!0 = !{i32 1, !"wchar_size", i32 4} 66!1 = !{i32 4, !"dx.disable_optimizations", i32 1} 67!2 = !{!"clang version 19.0.0git (/usr/local/google/home/nathangauer/projects/llvm-project/clang bc6fd04b73a195981ee77823cf1382d04ab96c44)"} 68 69