| ; RUN: llc -O0 -mtriple=spirv-unknown-linux %s -o - | FileCheck %s |
| ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-vulkan-unknown %s -o - -filetype=obj | spirv-val %} |
| |
| target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024" |
| target triple = "spirv-unknown-vulkan-compute" |
| |
| ; CHECK-DAG: %[[#uint:]] = OpTypeInt 32 0 |
| ; CHECK-DAG: %[[#uint_3:]] = OpConstant %[[#uint]] 3 |
| ; CHECK-DAG: %[[#bool:]] = OpTypeBool |
| |
| define spir_func void @main() #0 { |
| entry: |
| %0 = call token @llvm.experimental.convergence.entry() |
| ; CHECK: %[[#]] = OpGroupNonUniformElect %[[#bool]] %[[#uint_3]] |
| %1 = call i1 @llvm.spv.wave.is.first.lane() [ "convergencectrl"(token %0) ] |
| ret void |
| } |
| |
| declare i32 @__hlsl_wave_get_lane_index() #1 |
| |
| attributes #0 = { convergent norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } |
| attributes #1 = { convergent } |
| |
| !llvm.module.flags = !{!0, !1} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{i32 4, !"dx.disable_optimizations", i32 1} |
