diff options
| author | Chris Lattner <sabre@nondot.org> | 2008-11-27 22:46:09 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-11-27 22:46:09 +0000 |
| commit | c92fa42ddd5c96ff1853b8a445548cf11d3f0f32 (patch) | |
| tree | 52be37171bb438d5cbd9d6372b78f82f0c0536b0 | |
| parent | edd5d3e4e9593cb70008755a034b1c741f075557 (diff) | |
| download | bcm5719-llvm-c92fa42ddd5c96ff1853b8a445548cf11d3f0f32.tar.gz bcm5719-llvm-c92fa42ddd5c96ff1853b8a445548cf11d3f0f32.zip | |
simplify this logic.
llvm-svn: 60189
| -rw-r--r-- | llvm/lib/Transforms/Scalar/DCE.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Scalar/DCE.cpp b/llvm/lib/Transforms/Scalar/DCE.cpp index fb9a0e04fd6..a5990ee79e8 100644 --- a/llvm/lib/Transforms/Scalar/DCE.cpp +++ b/llvm/lib/Transforms/Scalar/DCE.cpp @@ -39,12 +39,14 @@ namespace { DeadInstElimination() : BasicBlockPass(intptr_t(&ID)) {} virtual bool runOnBasicBlock(BasicBlock &BB) { bool Changed = false; - for (BasicBlock::iterator DI = BB.begin(); DI != BB.end(); ) - if (dceInstruction(DI)) { + for (BasicBlock::iterator DI = BB.begin(); DI != BB.end(); ) { + Instruction *Inst = DI++; + if (isInstructionTriviallyDead(Inst)) { + Inst->eraseFromParent(); Changed = true; ++DIEEliminated; - } else - ++DI; + } + } return Changed; } |
