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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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14
lib/CodeGen/LiveVariables.cpp
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@ -702,12 +702,14 @@ void LiveVariables::removeVirtualRegistersKilled(MachineInstr *MI) {
///
void LiveVariables::analyzePHINodes(const MachineFunction& Fn) {
for (const auto &MBB : Fn)
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)
if (BBI->getOperand(i).readsReg())
PHIVarInfo[BBI->getOperand(i + 1).getMBB()->getNumber()]
.push_back(BBI->getOperand(i).getReg());
for (const auto &BBI : MBB) {
if (!BBI.isPHI())
break;
for (unsigned i = 1, e = BBI.getNumOperands(); i != e; i += 2)
if (BBI.getOperand(i).readsReg())
PHIVarInfo[BBI.getOperand(i + 1).getMBB()->getNumber()]
.push_back(BBI.getOperand(i).getReg());
}
}
bool LiveVariables::VarInfo::isLiveIn(const MachineBasicBlock &MBB,