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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-02-17 19:13:56 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-02-17 19:13:56 +0000 |
| commit | 5d583da601b292c86baacd8d5c1285841eb4fe9e (patch) | |
| tree | 0112cba02f5c12f844d3cbe3742a39689b926ec8 /llvm/lib/CodeGen/PHIElimination.cpp | |
| parent | bdceca6f49abd51c08516508522c51de47ec5df3 (diff) | |
| download | bcm5719-llvm-5d583da601b292c86baacd8d5c1285841eb4fe9e.tar.gz bcm5719-llvm-5d583da601b292c86baacd8d5c1285841eb4fe9e.zip | |
Dead code elimination.
llvm-svn: 96496
Diffstat (limited to 'llvm/lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PHIElimination.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/PHIElimination.cpp b/llvm/lib/CodeGen/PHIElimination.cpp index b740c68f596..bc49d0de223 100644 --- a/llvm/lib/CodeGen/PHIElimination.cpp +++ b/llvm/lib/CodeGen/PHIElimination.cpp @@ -56,7 +56,6 @@ bool llvm::PHIElimination::runOnMachineFunction(MachineFunction &Fn) { MRI = &Fn.getRegInfo(); PHIDefs.clear(); - PHIKills.clear(); bool Changed = false; // Split critical edges to help the coalescer @@ -276,9 +275,6 @@ void llvm::PHIElimination::LowerAtomicPHINode( // path the PHI. MachineBasicBlock &opBlock = *MPhi->getOperand(i*2+2).getMBB(); - // Record the kill. - PHIKills[SrcReg].insert(&opBlock); - // If source is defined by an implicit def, there is no need to insert a // copy. MachineInstr *DefMI = MRI->getVRegDef(SrcReg); |
