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LiveInterval: Use range based for loops for subregister ranges.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223991 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun
2014-12-11 00:59:06 +00:00
parent d1db29860c
commit 1bfcc2d56f
9 changed files with 110 additions and 126 deletions
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7
lib/CodeGen/VirtRegMap.cpp
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@ -253,16 +253,15 @@ void VirtRegRewriter::addMBBLiveIns() {
assert(PhysReg != VirtRegMap::NO_PHYS_REG && "Unmapped virtual register.");
if (LI.hasSubRanges()) {
for (LiveInterval::subrange_iterator S = LI.subrange_begin(),
SE = LI.subrange_end(); S != SE; ++S) {
for (const auto &Seg : S->segments) {
for (LiveInterval::SubRange &S : LI.subranges()) {
for (const auto &Seg : S.segments) {
if (!Indexes->findLiveInMBBs(Seg.start, Seg.end, LiveIn))
continue;
for (MCSubRegIndexIterator SR(PhysReg, TRI); SR.isValid(); ++SR) {
unsigned SubReg = SR.getSubReg();
unsigned SubRegIndex = SR.getSubRegIndex();
unsigned SubRegLaneMask = TRI->getSubRegIndexLaneMask(SubRegIndex);
if ((SubRegLaneMask & S->LaneMask) == 0)
if ((SubRegLaneMask & S.LaneMask) == 0)
continue;
for (unsigned i = 0, e = LiveIn.size(); i != e; ++i) {
if (!LiveIn[i]->isLiveIn(SubReg))