diff options
| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2015-09-25 17:21:28 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2015-09-25 17:21:28 +0000 |
| commit | 0cb8517dc658ab0a785c34e4d5582459e9263fb8 (patch) | |
| tree | a6dac56a152ef42df9686d44b0052e56b7fae048 /llvm/lib/Target/AMDGPU/SIFoldOperands.cpp | |
| parent | 35c6af3c9c5b71d3976b24220cb290aaa1c71502 (diff) | |
| download | llvm-0cb8517dc658ab0a785c34e4d5582459e9263fb8.zip llvm-0cb8517dc658ab0a785c34e4d5582459e9263fb8.tar.gz llvm-0cb8517dc658ab0a785c34e4d5582459e9263fb8.tar.bz2 | |
AMDGPU: Fix recomputing dominator tree unnecessarily
SIFixSGPRCopies does not modify the CFG, but this was
being recomputed before running SIFoldOperands.
llvm-svn: 248587
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIFoldOperands.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFoldOperands.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp index ef377116..3a08b69 100644 --- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp +++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp @@ -45,6 +45,7 @@ public: void getAnalysisUsage(AnalysisUsage &AU) const override { AU.addRequired<MachineDominatorTree>(); + AU.addPreserved<MachineDominatorTree>(); AU.setPreservesCFG(); MachineFunctionPass::getAnalysisUsage(AU); } |