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| author | Tom Stellard <thomas.stellard@amd.com> | 2016-02-12 23:45:29 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2016-02-12 23:45:29 +0000 |
| commit | bc4497b13ccc73e1c8c156350cc7fe50f9beae93 (patch) | |
| tree | 71e7e13564f64f708f17731941d9b73818cb5be9 /llvm/test/CodeGen/AMDGPU/endcf-loop-header.ll | |
| parent | 0de36ec169b8c818487606658ed2504c88f4c0e7 (diff) | |
| download | bcm5719-llvm-bc4497b13ccc73e1c8c156350cc7fe50f9beae93.tar.gz bcm5719-llvm-bc4497b13ccc73e1c8c156350cc7fe50f9beae93.zip | |
AMDGPU/SI: Detect uniform branches and emit s_cbranch instructions
Reviewers: arsenm
Subscribers: mareko, MatzeB, qcolombet, arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D16603
llvm-svn: 260765
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/endcf-loop-header.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/endcf-loop-header.ll | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/endcf-loop-header.ll b/llvm/test/CodeGen/AMDGPU/endcf-loop-header.ll index 267a323c506..c67095438ee 100644 --- a/llvm/test/CodeGen/AMDGPU/endcf-loop-header.ll +++ b/llvm/test/CodeGen/AMDGPU/endcf-loop-header.ll @@ -12,8 +12,9 @@ ; CHECK: [[LOOP_LABEL:[0-9A-Za-z_]+]]: ; %loop{{$}} ; CHECK-NOT: s_or_b64 exec, exec ; CHECK: s_cbranch_execnz [[LOOP_LABEL]] -define void @test(i32 addrspace(1)* %out, i32 %cond) { +define void @test(i32 addrspace(1)* %out) { entry: + %cond = call i32 @llvm.r600.read.tidig.x() #0 %tmp0 = icmp eq i32 %cond, 0 br i1 %tmp0, label %if, label %loop @@ -32,3 +33,7 @@ done: store i32 %inc, i32 addrspace(1)* %tmp3 ret void } + +declare i32 @llvm.r600.read.tidig.x() #0 + +attributes #0 = { readnone } |
