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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 | 845012e6d31799c7fbd1193fa1af8ee2d12e9231 (patch) | |
| tree | 64ec9abb5dfd8100874df062a8e0793b3721810a /lib/CodeGen/PHIElimination.cpp | |
| parent | a3477fe06df794e0eae26ea243f25912c619a6c4 (diff) | |
| download | llvm-845012e6d31799c7fbd1193fa1af8ee2d12e9231.tar.gz llvm-845012e6d31799c7fbd1193fa1af8ee2d12e9231.tar.bz2 llvm-845012e6d31799c7fbd1193fa1af8ee2d12e9231.tar.xz | |
Use setPreservesAll and setPreservesCFG in CodeGen passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77754 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | lib/CodeGen/PHIElimination.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp index 56dca086ef..8071b0a81a 100644 --- a/lib/CodeGen/PHIElimination.cpp +++ b/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(); |