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Use make_range(rbegin(), rend()) to allow foreach loops. NFC.

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Instead of the pattern

for (auto I = x.rbegin(), E = x.end(); I != E; ++I)

we can use make_range to construct the reverse range and iterate using
that instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243163 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pete Cooper
2015-07-24 21:13:43 +00:00
parent d232d63fa2
commit 9f2f1650c4
10 changed files with 26 additions and 39 deletions
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7
lib/CodeGen/ExecutionDepsFix.cpp
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@@ -559,12 +559,11 @@ void ExeDepsFix::processUndefReads(MachineBasicBlock *MBB) {
MachineInstr *UndefMI = UndefReads.back().first;
unsigned OpIdx = UndefReads.back().second;
for (MachineBasicBlock::reverse_iterator I = MBB->rbegin(), E = MBB->rend();
I != E; ++I) {
for (MachineInstr &I : make_range(MBB->rbegin(), MBB->rend())) {
// Update liveness, including the current instruction's defs.
LiveRegSet.stepBackward(*I);
LiveRegSet.stepBackward(I);
if (UndefMI == &*I) {
if (UndefMI == &I) {
if (!LiveRegSet.contains(UndefMI->getOperand(OpIdx).getReg()))
TII->breakPartialRegDependency(UndefMI, OpIdx, TRI);