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Range-for some LiveIntervals code under review

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252267 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner 2015-11-06 02:01:02 +00:00
parent 2ff8f92da7
commit baea4d9d8f
1 changed files with 7 additions and 9 deletions
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16
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -222,19 +222,17 @@ void LiveIntervals::computeRegMasks() {
RegMaskBlocks.resize(MF->getNumBlockIDs());
// Find all instructions with regmask operands.
for (MachineFunction::iterator MBBI = MF->begin(), E = MF->end();
MBBI != E; ++MBBI) {
MachineBasicBlock *MBB = &*MBBI;
std::pair<unsigned, unsigned> &RMB = RegMaskBlocks[MBB->getNumber()];
for (MachineBasicBlock &MBB : *MF) {
std::pair<unsigned, unsigned> &RMB = RegMaskBlocks[MBB.getNumber()];
RMB.first = RegMaskSlots.size();
for (MachineBasicBlock::iterator MI = MBB->begin(), ME = MBB->end();
MI != ME; ++MI)
for (const MachineOperand &MO : MI->operands()) {
for (MachineInstr &MI : MBB) {
for (const MachineOperand &MO : MI.operands()) {
if (!MO.isRegMask())
continue;
RegMaskSlots.push_back(Indexes->getInstructionIndex(MI).getRegSlot());
RegMaskBits.push_back(MO.getRegMask());
RegMaskSlots.push_back(Indexes->getInstructionIndex(&MI).getRegSlot());
RegMaskBits.push_back(MO.getRegMask());
}
}
// Compute the number of register mask instructions in this block.
RMB.second = RegMaskSlots.size() - RMB.first;
}