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Convert more loops to range-based equivalents

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207714 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2014-04-30 22:17:38 +00:00
parent fff0879df0
commit 846781235d
13 changed files with 103 additions and 130 deletions
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lib/CodeGen/PHIElimination.cpp
+7 -5
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@@ -533,11 +533,13 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
///
void PHIElimination::analyzePHINodes(const MachineFunction& MF) {
for (const auto &MBB : MF)
for (MachineBasicBlock::const_iterator BBI = MBB.begin(), BBE = MBB.end();
BBI != BBE && BBI->isPHI(); ++BBI)
for (unsigned i = 1, e = BBI->getNumOperands(); i != e; i += 2)
++VRegPHIUseCount[BBVRegPair(BBI->getOperand(i+1).getMBB()->getNumber(),
BBI->getOperand(i).getReg())];
for (const auto &BBI : MBB) {
if (!BBI.isPHI())
break;
for (unsigned i = 1, e = BBI.getNumOperands(); i != e; i += 2)
++VRegPHIUseCount[BBVRegPair(BBI.getOperand(i+1).getMBB()->getNumber(),
BBI.getOperand(i).getReg())];
}
}
bool PHIElimination::SplitPHIEdges(MachineFunction &MF,