| ; RUN: llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV |
| ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan-compute %s -o - -filetype=obj | spirv-val --target-env vulkan1.3 %} |
| |
| ; CHECK-SPIRV: %[[#int:]] = OpTypeInt 32 |
| ; CHECK-SPIRV: OpBitReverse %[[#int]] |
| |
| define hidden spir_func void @testBitRev(i32 %a, i32 %b, i32 %c, ptr %res) { |
| entry: |
| %call = tail call i32 @llvm.bitreverse.i32(i32 %b) |
| store i32 %call, ptr %res, align 4 |
| ret void |
| } |
| |
| define void @main() #1 { |
| ret void |
| } |
| |
| declare i32 @llvm.bitreverse.i32(i32) |
| attributes #1 = { "hlsl.numthreads"="8,1,1" "hlsl.shader"="compute" } |