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| author | Dan Gohman <gohman@apple.com> | 2009-12-14 16:37:29 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-12-14 16:37:29 +0000 |
| commit | c476702d130b84050a146b9e8a602709bbdc3e2e (patch) | |
| tree | 5722452c74d43717ef93d071c010bb9f5716dfca /lib/Transforms | |
| parent | 814a12c5353afed59395f62dc082aca10b93c3dd (diff) | |
| download | external_llvm-c476702d130b84050a146b9e8a602709bbdc3e2e.zip external_llvm-c476702d130b84050a146b9e8a602709bbdc3e2e.tar.gz external_llvm-c476702d130b84050a146b9e8a602709bbdc3e2e.tar.bz2 | |
Minor code cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91280 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 564c7ac..5920925 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -228,19 +228,17 @@ void LoopStrengthReduce::DeleteTriviallyDeadInstructions() { if (DeadInsts.empty()) return; while (!DeadInsts.empty()) { - Instruction *I = dyn_cast_or_null<Instruction>(DeadInsts.back()); - DeadInsts.pop_back(); + Instruction *I = dyn_cast_or_null<Instruction>(DeadInsts.pop_back_val()); if (I == 0 || !isInstructionTriviallyDead(I)) continue; - for (User::op_iterator OI = I->op_begin(), E = I->op_end(); OI != E; ++OI) { + for (User::op_iterator OI = I->op_begin(), E = I->op_end(); OI != E; ++OI) if (Instruction *U = dyn_cast<Instruction>(*OI)) { *OI = 0; if (U->use_empty()) DeadInsts.push_back(U); } - } I->eraseFromParent(); Changed = true; |