diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 7d4a1041dac..65eb1d5c6c7 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -205,7 +205,7 @@ private: void StrengthReduceStridedIVUsers(const SCEVHandle &Stride, IVUsersOfOneStride &Uses, Loop *L, bool isOnlyStride); - void DeleteTriviallyDeadInstructions(SetVector &Insts); + void DeleteTriviallyDeadInstructions(); }; } @@ -238,11 +238,10 @@ Value *LoopStrengthReduce::getCastedVersionOf(Instruction::CastOps opcode, /// DeleteTriviallyDeadInstructions - If any of the instructions is the /// specified set are trivially dead, delete them and see if this makes any of /// their operands subsequently dead. -void LoopStrengthReduce:: -DeleteTriviallyDeadInstructions(SetVector &Insts) { - while (!Insts.empty()) { - Instruction *I = Insts.back(); - Insts.pop_back(); +void LoopStrengthReduce::DeleteTriviallyDeadInstructions() { + while (!DeadInsts.empty()) { + Instruction *I = DeadInsts.back(); + DeadInsts.pop_back(); if (!isInstructionTriviallyDead(I)) continue; @@ -253,7 +252,7 @@ DeleteTriviallyDeadInstructions(SetVector &Insts) { if (Instruction *U = dyn_cast(*i)) { *i = 0; if (U->use_empty()) - Insts.insert(U); + DeadInsts.insert(U); } } @@ -1441,7 +1440,7 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEVHandle &Stride, Rewriter, L, this, DeadInsts); - // Mark old value we replaced as possibly dead, so that it is elminated + // Mark old value we replaced as possibly dead, so that it is eliminated // if we just replaced the last use of that value. DeadInsts.insert(cast(User.OperandValToReplace)); @@ -2055,7 +2054,7 @@ bool LoopStrengthReduce::runOnLoop(Loop *L, LPPassManager &LPM) { // Clean up after ourselves if (!DeadInsts.empty()) { - DeleteTriviallyDeadInstructions(DeadInsts); + DeleteTriviallyDeadInstructions(); BasicBlock::iterator I = L->getHeader()->begin(); while (PHINode *PN = dyn_cast(I++)) { @@ -2091,7 +2090,7 @@ bool LoopStrengthReduce::runOnLoop(Loop *L, LPPassManager &LPM) { break; } } - DeleteTriviallyDeadInstructions(DeadInsts); + DeleteTriviallyDeadInstructions(); } return Changed; }