diff options
Diffstat (limited to 'test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll')
| -rw-r--r-- | test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll b/test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll new file mode 100644 index 0000000..98f6695 --- /dev/null +++ b/test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll @@ -0,0 +1,28 @@ +; RUN: llc -march=r600 -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_global: +; EG: GROUP_BARRIER +; SI: s_barrier + +define void @test_barrier_global(i32 addrspace(1)* %out) { +entry: + %0 = call i32 @llvm.r600.read.tidig.x() + %1 = getelementptr i32 addrspace(1)* %out, i32 %0 + store i32 %0, i32 addrspace(1)* %1 + call void @llvm.AMDGPU.barrier.global() + %2 = call i32 @llvm.r600.read.local.size.x() + %3 = sub i32 %2, 1 + %4 = sub i32 %3, %0 + %5 = getelementptr i32 addrspace(1)* %out, i32 %4 + %6 = load i32 addrspace(1)* %5 + store i32 %6, i32 addrspace(1)* %1 + ret void +} + +declare void @llvm.AMDGPU.barrier.global() + +declare i32 @llvm.r600.read.tidig.x() #0 +declare i32 @llvm.r600.read.local.size.x() #0 + +attributes #0 = { readnone } |