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Renumber SlotIndexes locally when a new block is inserted.

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llvm-svn: 174937
This commit is contained in:
Cameron Zwarich 2013-02-12 03:49:22 +00:00
parent 12bc4a8f01
commit 1ff3c2a1d4
1 changed files with 4 additions and 5 deletions
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9
include/llvm/CodeGen/SlotIndexes.h
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@ -605,14 +605,15 @@ namespace llvm {
IndexListEntry *startEntry = 0;
IndexListEntry *endEntry = 0;
IndexList::iterator newItr;
if (nextMBB == mbb->getParent()->end()) {
startEntry = &indexList.back();
endEntry = createEntry(0, 0);
indexList.insertAfter(startEntry, endEntry);
newItr = indexList.insertAfter(startEntry, endEntry);
} else {
startEntry = createEntry(0, 0);
endEntry = getMBBStartIdx(nextMBB).listEntry();
indexList.insert(endEntry, startEntry);
newItr = indexList.insert(endEntry, startEntry);
}
SlotIndex startIdx(startEntry, SlotIndex::Slot_Block);
@ -629,9 +630,7 @@ namespace llvm {
MBBRanges.push_back(std::make_pair(startIdx, endIdx));
idx2MBBMap.push_back(IdxMBBPair(startIdx, mbb));
// FIXME: Renumber locally instead of renumbering the whole function every
// time a new block is inserted.
renumberIndexes();
renumberIndexes(newItr);
std::sort(idx2MBBMap.begin(), idx2MBBMap.end(), Idx2MBBCompare());
}