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Use getPrevSlot() instead of getPrevIndex().

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The getPrevIndex() function moves to the same slot in the previous
instruction.  For getVNInfoBefore(), we just need the previous slot in
the same instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139793 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-09-15 15:31:49 +00:00
parent 031432f9ad
commit a1dd30553d
1 changed files with 1 additions and 1 deletions
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2
include/llvm/CodeGen/LiveInterval.h
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@ -415,7 +415,7 @@ namespace llvm {
/// necessarilly including Idx, or NULL. Use this to find the reaching def /// necessarilly including Idx, or NULL. Use this to find the reaching def
/// used by an instruction at this SlotIndex position. /// used by an instruction at this SlotIndex position.
VNInfo *getVNInfoBefore(SlotIndex Idx) const { VNInfo *getVNInfoBefore(SlotIndex Idx) const {
const_iterator I = FindLiveRangeContaining(Idx.getPrevIndex()); const_iterator I = FindLiveRangeContaining(Idx.getPrevSlot());
return I == end() ? 0 : I->valno; return I == end() ? 0 : I->valno;
} }