| ; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s |
| ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s |
| |
| ; FUNC-LABEL: {{^}}test_barrier_local: |
| ; EG: GROUP_BARRIER |
| |
| ; SI: buffer_store_dword |
| ; SI: s_waitcnt |
| ; SI: s_barrier |
| |
| define void @test_barrier_local(i32 addrspace(1)* %out) { |
| entry: |
| %0 = call i32 @llvm.r600.read.tidig.x() |
| %1 = getelementptr i32, i32 addrspace(1)* %out, i32 %0 |
| store i32 %0, i32 addrspace(1)* %1 |
| call void @llvm.AMDGPU.barrier.local() |
| %2 = call i32 @llvm.r600.read.local.size.x() |
| %3 = sub i32 %2, 1 |
| %4 = sub i32 %3, %0 |
| %5 = getelementptr i32, i32 addrspace(1)* %out, i32 %4 |
| %6 = load i32, i32 addrspace(1)* %5 |
| store i32 %6, i32 addrspace(1)* %1 |
| ret void |
| } |
| |
| declare void @llvm.AMDGPU.barrier.local() |
| |
| declare i32 @llvm.r600.read.tidig.x() #0 |
| declare i32 @llvm.r600.read.local.size.x() #0 |
| |
| attributes #0 = { readnone } |