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[ADCE] Convert another loop for a range-based for

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We can use a range-based for for the operands loop too; NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229319 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2015-02-15 15:51:25 +00:00
parent 6f0a9df3e3
commit 962ebd4f23
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Scalar/ADCE.cpp
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@ -69,12 +69,12 @@ bool ADCE::runOnFunction(Function& F) {
// Propagate liveness backwards to operands. // Propagate liveness backwards to operands.
while (!Worklist.empty()) { while (!Worklist.empty()) {
Instruction *Curr = Worklist.pop_back_val(); Instruction *Curr = Worklist.pop_back_val();
for (Instruction::op_iterator OI = Curr->op_begin(), OE = Curr->op_end(); for (Use &OI : Curr->operands()) {
OI != OE; ++OI)
if (Instruction *Inst = dyn_cast<Instruction>(OI)) if (Instruction *Inst = dyn_cast<Instruction>(OI))
if (Alive.insert(Inst).second) if (Alive.insert(Inst).second)
Worklist.push_back(Inst); Worklist.push_back(Inst);
} }
}
// The inverse of the live set is the dead set. These are those instructions // 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 // which have no side effects and do not influence the control flow or return