| Matt Arsenault | 6026858 | 2014-07-12 00:36:19 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s |
| 2 | ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s |
| 3 | |
| 4 | ; FUNC-LABEL: @test_barrier_global |
| 5 | ; EG: GROUP_BARRIER |
| 6 | ; SI: S_BARRIER |
| 7 | |
| 8 | define void @test_barrier_global(i32 addrspace(1)* %out) { |
| 9 | entry: |
| 10 | %0 = call i32 @llvm.r600.read.tidig.x() |
| 11 | %1 = getelementptr i32 addrspace(1)* %out, i32 %0 |
| 12 | store i32 %0, i32 addrspace(1)* %1 |
| 13 | call void @llvm.AMDGPU.barrier.global() |
| 14 | %2 = call i32 @llvm.r600.read.local.size.x() |
| 15 | %3 = sub i32 %2, 1 |
| 16 | %4 = sub i32 %3, %0 |
| 17 | %5 = getelementptr i32 addrspace(1)* %out, i32 %4 |
| 18 | %6 = load i32 addrspace(1)* %5 |
| 19 | store i32 %6, i32 addrspace(1)* %1 |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | declare void @llvm.AMDGPU.barrier.global() |
| 24 | |
| 25 | declare i32 @llvm.r600.read.tidig.x() #0 |
| 26 | declare i32 @llvm.r600.read.local.size.x() #0 |
| 27 | |
| 28 | attributes #0 = { readnone } |