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Switch extendInBlock() to take a kill slot instead of the last use slot.

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Three out of four clients prefer this interface which is consistent with
extendIntervalEndTo() and LiveRangeCalc::extend().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139604 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-09-13 16:47:56 +00:00
parent c1c622ef0d
commit ee5655dca4
5 changed files with 17 additions and 20 deletions
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2
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -804,7 +804,7 @@ bool LiveIntervals::shrinkToUses(LiveInterval *li,
SlotIndex BlockStart = getMBBStartIdx(MBB);
// Extend the live range for VNI to be live at Idx.
if (VNInfo *ExtVNI = NewLI.extendInBlock(BlockStart, Idx)) {
if (VNInfo *ExtVNI = NewLI.extendInBlock(BlockStart, Idx.getNextSlot())) {
(void)ExtVNI;
assert(ExtVNI == VNI && "Unexpected existing value number");
// Is this a PHIDef we haven't seen before?