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use range-based for loops; NFCI

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244545 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2015-08-11 00:26:05 +00:00
parent 0e2c9c8c4a
commit 9d469f4f5f
1 changed files with 2 additions and 8 deletions
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10
lib/CodeGen/TailDuplication.cpp
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@ -635,22 +635,16 @@ TailDuplicatePass::isSimpleBB(MachineBasicBlock *TailBB) {
static bool
bothUsedInPHI(const MachineBasicBlock &A,
SmallPtrSet<MachineBasicBlock*, 8> SuccsB) {
for (MachineBasicBlock::const_succ_iterator SI = A.succ_begin(),
SE = A.succ_end(); SI != SE; ++SI) {
MachineBasicBlock *BB = *SI;
for (MachineBasicBlock *BB : A.successors())
if (SuccsB.count(BB) && !BB->empty() && BB->begin()->isPHI())
return true;
}
return false;
}
bool
TailDuplicatePass::canCompletelyDuplicateBB(MachineBasicBlock &BB) {
for (MachineBasicBlock::pred_iterator PI = BB.pred_begin(),
PE = BB.pred_end(); PI != PE; ++PI) {
MachineBasicBlock *PredBB = *PI;
for (MachineBasicBlock *PredBB : BB.predecessors()) {
if (PredBB->succ_size() > 1)
return false;