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| author | Kyle Butt <kyle+llvm@iteratee.net> | 2017-01-10 23:04:30 +0000 |
|---|---|---|
| committer | Kyle Butt <kyle+llvm@iteratee.net> | 2017-01-10 23:04:30 +0000 |
| commit | df27aa8c89ce96f7b01a0919697b0ea1505c01f3 (patch) | |
| tree | 151faba3e276de822dbdf68c5e5b8e145afe2ed6 /llvm/test/CodeGen/AMDGPU/si-annotate-cf-noloop.ll | |
| parent | 623270694bbdfb598d4063d0f8237c0c5d4f37ef (diff) | |
| download | bcm5719-llvm-df27aa8c89ce96f7b01a0919697b0ea1505c01f3.tar.gz bcm5719-llvm-df27aa8c89ce96f7b01a0919697b0ea1505c01f3.zip | |
CodeGen: Allow small copyable blocks to "break" the CFG.
When choosing the best successor for a block, ordinarily we would have preferred
a block that preserves the CFG unless there is a strong probability the other
direction. For small blocks that can be duplicated we now skip that requirement
as well.
Differential revision: https://reviews.llvm.org/D27742
llvm-svn: 291609
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/si-annotate-cf-noloop.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/si-annotate-cf-noloop.ll | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/si-annotate-cf-noloop.ll b/llvm/test/CodeGen/AMDGPU/si-annotate-cf-noloop.ll index ef616eb6380..574f9a64e57 100644 --- a/llvm/test/CodeGen/AMDGPU/si-annotate-cf-noloop.ll +++ b/llvm/test/CodeGen/AMDGPU/si-annotate-cf-noloop.ll @@ -37,7 +37,10 @@ bb5: ; preds = %bb3, %bb1 ; OPT-NOT: call i1 @llvm.amdgcn.loop ; GCN-LABEL: {{^}}annotate_ret_noloop: -; GCN: s_cbranch_scc1 +; GCN: s_cbranch_scc0 [[BODY:BB[0-9]+_[0-9]+]] +; GCN: s_endpgm + +; GCN: {{^}}[[BODY]]: ; GCN: s_endpgm ; GCN: .Lfunc_end1 define void @annotate_ret_noloop(<4 x float> addrspace(1)* noalias nocapture readonly %arg) #0 { |
