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Represent RegUnit liveness with LiveRange instance

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Previously LiveInterval has been used, but having a spill weight and
register number is unnecessary for a register unit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192397 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun
2013-10-10 21:29:02 +00:00
parent e25dde550b
commit 4f3b5e8c92
13 changed files with 132 additions and 129 deletions
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8
lib/CodeGen/InterferenceCache.cpp
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@ -204,11 +204,11 @@ void InterferenceCache::Entry::update(unsigned MBBNum) {
// Fixed interference.
for (unsigned i = 0, e = RegUnits.size(); i != e; ++i) {
LiveInterval::iterator &I = RegUnits[i].FixedI;
LiveInterval *LI = RegUnits[i].Fixed;
if (I == LI->end() || I->start >= Stop)
LiveRange *LR = RegUnits[i].Fixed;
if (I == LR->end() || I->start >= Stop)
continue;
I = LI->advanceTo(I, Stop);
bool Backup = I == LI->end() || I->start >= Stop;
I = LR->advanceTo(I, Stop);
bool Backup = I == LR->end() || I->start >= Stop;
if (Backup)
--I;
SlotIndex StopI = I->end;