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| author | Dan Gohman <gohman@apple.com> | 2009-07-31 23:37:33 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-07-31 23:37:33 +0000 |
| commit | 0402315d4108d8e469a4e50e41314a1fce7cb747 (patch) | |
| tree | d4797c7c447e7878a0087f29529d2ab6e66a483e /llvm/lib/CodeGen/PHIElimination.cpp | |
| parent | 10b8898ac06d712e4588c15d68ed68469e006411 (diff) | |
| download | bcm5719-llvm-0402315d4108d8e469a4e50e41314a1fce7cb747.tar.gz bcm5719-llvm-0402315d4108d8e469a4e50e41314a1fce7cb747.zip | |
Use setPreservesAll and setPreservesCFG in CodeGen passes.
llvm-svn: 77754
Diffstat (limited to 'llvm/lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PHIElimination.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/PHIElimination.cpp b/llvm/lib/CodeGen/PHIElimination.cpp index 56dca086ef2..8071b0a81a8 100644 --- a/llvm/lib/CodeGen/PHIElimination.cpp +++ b/llvm/lib/CodeGen/PHIElimination.cpp @@ -41,11 +41,12 @@ X("phi-node-elimination", "Eliminate PHI nodes for register allocation"); const PassInfo *const llvm::PHIEliminationID = &X; void llvm::PHIElimination::getAnalysisUsage(AnalysisUsage &AU) const { - AU.addPreserved<LiveVariables>(); - AU.addPreservedID(MachineLoopInfoID); - AU.addPreservedID(MachineDominatorsID); - MachineFunctionPass::getAnalysisUsage(AU); - } + AU.setPreservesCFG(); + AU.addPreserved<LiveVariables>(); + AU.addPreservedID(MachineLoopInfoID); + AU.addPreservedID(MachineDominatorsID); + MachineFunctionPass::getAnalysisUsage(AU); +} bool llvm::PHIElimination::runOnMachineFunction(MachineFunction &Fn) { MRI = &Fn.getRegInfo(); |
