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| 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/SIInsertWaits.cpp | |
| parent | 35c6af3c9c5b71d3976b24220cb290aaa1c71502 (diff) | |
| download | bcm5719-llvm-0cb8517dc658ab0a785c34e4d5582459e9263fb8.tar.gz bcm5719-llvm-0cb8517dc658ab0a785c34e4d5582459e9263fb8.zip | |
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/SIInsertWaits.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInsertWaits.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp b/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp index b47c09bc9b6..7ab4fd68932 100644 --- a/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp +++ b/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp @@ -121,9 +121,13 @@ public: bool runOnMachineFunction(MachineFunction &MF) override; const char *getPassName() const override { - return "SI insert wait instructions"; + return "SI insert wait instructions"; } + void getAnalysisUsage(AnalysisUsage &AU) const override { + AU.setPreservesCFG(); + MachineFunctionPass::getAnalysisUsage(AU); + } }; } // End anonymous namespace |
