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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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13
lib/CodeGen/MachineVerifier.cpp
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@ -1657,15 +1657,14 @@ void MachineVerifier::verifyLiveInterval(const LiveInterval &LI) {
if (TargetRegisterInfo::isVirtualRegister(Reg)) {
unsigned Mask = 0;
unsigned MaxMask = MRI->getMaxLaneMaskForVReg(Reg);
for (LiveInterval::const_subrange_iterator I = LI.subrange_begin(),
E = LI.subrange_end(); I != E; ++I) {
if ((Mask & I->LaneMask) != 0)
for (const LiveInterval::SubRange &SR : LI.subranges()) {
if ((Mask & SR.LaneMask) != 0)
report("Lane masks of sub ranges overlap in live interval", MF, LI);
if ((I->LaneMask & ~MaxMask) != 0)
if ((SR.LaneMask & ~MaxMask) != 0)
report("Subrange lanemask is invalid", MF, LI);
Mask |= I->LaneMask;
verifyLiveRange(*I, LI.reg, I->LaneMask);
if (!LI.covers(*I))
Mask |= SR.LaneMask;
verifyLiveRange(SR, LI.reg, SR.LaneMask);
if (!LI.covers(SR))
report("A Subrange is not covered by the main range", MF, LI);
}
} else if (LI.hasSubRanges()) {