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[ADCE] Fix capitalization of some local variables 

Bring some local variables in compliance with our naming conventions, NFC.

llvm-svn: 229315
This commit is contained in:
Hal Finkel 2015-02-15 15:45:28 +00:00
parent 9c222630e4
commit 75901293a1
1 changed files with 14 additions and 14 deletions
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28
llvm/lib/Transforms/Scalar/ADCE.cpp
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@ -54,8 +54,8 @@ bool ADCE::runOnFunction(Function& F) {
if (skipOptnoneFunction(F))
return false;
SmallPtrSet<Instruction*, 128> alive;
SmallVector<Instruction*, 128> worklist;
SmallPtrSet<Instruction*, 128> Alive;
SmallVector<Instruction*, 128> Worklist;
// Collect the set of "root" instructions that are known live.
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I)
@ -63,37 +63,37 @@ bool ADCE::runOnFunction(Function& F) {
isa<DbgInfoIntrinsic>(I.getInstructionIterator()) ||
isa<LandingPadInst>(I.getInstructionIterator()) ||
I->mayHaveSideEffects()) {
alive.insert(I.getInstructionIterator());
worklist.push_back(I.getInstructionIterator());
Alive.insert(I.getInstructionIterator());
Worklist.push_back(I.getInstructionIterator());
}
// Propagate liveness backwards to operands.
while (!worklist.empty()) {
Instruction* curr = worklist.pop_back_val();
while (!Worklist.empty()) {
Instruction* curr = Worklist.pop_back_val();
for (Instruction::op_iterator OI = curr->op_begin(), OE = curr->op_end();
OI != OE; ++OI)
if (Instruction* Inst = dyn_cast<Instruction>(OI))
if (alive.insert(Inst).second)
worklist.push_back(Inst);
if (Alive.insert(Inst).second)
Worklist.push_back(Inst);
}
// The inverse of the live set is the dead set. These are those instructions
// which have no side effects and do not influence the control flow or return
// value of the function, and may therefore be deleted safely.
// NOTE: We reuse the worklist vector here for memory efficiency.
// NOTE: We reuse the Worklist vector here for memory efficiency.
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I)
if (!alive.count(I.getInstructionIterator())) {
worklist.push_back(I.getInstructionIterator());
if (!Alive.count(I.getInstructionIterator())) {
Worklist.push_back(I.getInstructionIterator());
I->dropAllReferences();
}
for (SmallVectorImpl<Instruction *>::iterator I = worklist.begin(),
E = worklist.end(); I != E; ++I) {
for (SmallVectorImpl<Instruction *>::iterator I = Worklist.begin(),
E = Worklist.end(); I != E; ++I) {
++NumRemoved;
(*I)->eraseFromParent();
}
return !worklist.empty();
return !Worklist.empty();
}
FunctionPass *llvm::createAggressiveDCEPass() {