| ; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv1.6-unknown-vulkan1.3-compute %s -o - | FileCheck %s |
| ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv1.6-unknown-vulkan1.3-compute %s -o - -filetype=obj | spirv-val --target-env vulkan1.3 %} |
| |
| ; An Interlocked op on a groupshared destination must use the Workgroup scope |
| ; (2), not CrossDevice (which the backend emits as OpConstantNull). |
| |
| @gs = external hidden addrspace(3) global i32, align 4 |
| |
| ; CHECK-DAG: %[[#UINT:]] = OpTypeInt 32 0 |
| ; CHECK-DAG: %[[#WORKGROUP:]] = OpConstant %[[#UINT]] 2{{$}} |
| ; CHECK: OpAtomicOr %[[#UINT]] %[[#]] %[[#WORKGROUP]] %[[#]] %[[#]] |
| ; CHECK-NOT: OpConstantNull |
| |
| define void @main() #0 { |
| entry: |
| %0 = atomicrmw or ptr addrspace(3) @gs, i32 1 syncscope("workgroup") monotonic, align 4 |
| ret void |
| } |
| |
| attributes #0 = { convergent noinline norecurse "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" } |
