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Don't include the destination interval in the union when computing

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Parent - union(Y, ...). Doh.

llvm-svn: 117042
This commit is contained in:
Jakob Stoklund Olesen 2010-10-21 18:47:08 +00:00
parent 82da267156
commit 4794d28044
1 changed files with 4 additions and 2 deletions
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6
lib/CodeGen/SplitKit.cpp
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@ -740,10 +740,10 @@ void SplitEditor::rewrite(unsigned reg) {
break;
}
}
DEBUG(dbgs() << " rewr BB#" << MI->getParent()->getNumber() << '\t'<< Idx);
assert(LI && "No register was live at use");
MO.setReg(LI->reg);
DEBUG(dbgs() << " rewrite BB#" << MI->getParent()->getNumber() << '\t'
<< Idx << '\t' << *MI);
DEBUG(dbgs() << '\t' << *MI);
}
}
@ -755,6 +755,8 @@ SplitEditor::addTruncSimpleRange(SlotIndex Start, SlotIndex End, VNInfo *VNI) {
SmallVector<IIPair, 8> Iters;
for (LiveRangeEdit::iterator LI = edit_.begin(), LE = edit_.end(); LI != LE;
++LI) {
if (*LI == dupli_.getLI())
continue;
LiveInterval::const_iterator I = (*LI)->find(Start);
LiveInterval::const_iterator E = (*LI)->end();
if (I != E)