1 ; RUN: llc -O0 -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 %}
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)]
8 ; int idx = WaveGetLaneIndex();
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
20 ; CHECK-NOT: OpDecorate %[[#var]] LinkageAttributes
25 target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
26 target triple = "spirv-unknown-vulkan-compute"
28 ; Function Attrs: convergent noinline norecurse nounwind optnone
29 define internal spir_func void @main() #0 {
31 %0 = call token @llvm.experimental.convergence.entry()
32 %idx = alloca i32, align 4
33 ; CHECK: %[[#idx:]] = OpVariable %[[#ptrf]] Function
35 %1 = call i32 @__hlsl_wave_get_lane_index() [ "convergencectrl"(token %0) ]
36 ; CHECK: %[[#tmp:]] = OpLoad %[[#int]] %[[#var]]
38 store i32 %1, ptr %idx, align 4
39 ; CHECK: OpStore %[[#idx]] %[[#tmp]]
44 ; Function Attrs: norecurse
45 define void @main.1() #1 {
51 ; Function Attrs: convergent
52 declare i32 @__hlsl_wave_get_lane_index() #2
54 ; Function Attrs: convergent nocallback nofree nosync nounwind willreturn memory(none)
55 declare token @llvm.experimental.convergence.entry() #3
57 attributes #0 = { convergent noinline norecurse nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
58 attributes #1 = { norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
59 attributes #2 = { convergent }
60 attributes #3 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }
62 !llvm.module.flags = !{!0, !1}
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)"}