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Kill info update bugs. 

llvm-svn: 41043
This commit is contained in:
Evan Cheng 2007-08-13 07:12:23 +00:00
parent ab13178928
commit 5ca98c657d
1 changed files with 2 additions and 5 deletions
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7
llvm/lib/CodeGen/LiveInterval.cpp
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@ -232,7 +232,7 @@ void LiveInterval::removeRange(unsigned Start, unsigned End) {
// If the span we are removing is at the start of the LiveRange, adjust it.
if (I->start == Start) {
if (I->end == End) {
removeKillForValNum(I->ValId, End);
removeKillForValNum(I->ValId, Start, End);
ranges.erase(I); // Removed the whole LiveRange.
} else
I->start = End;
@ -242,7 +242,7 @@ void LiveInterval::removeRange(unsigned Start, unsigned End) {
// Otherwise if the span we are removing is at the end of the LiveRange,
// adjust the other way.
if (I->end == End) {
replaceKillForValNum(I->ValId, End, Start);
removeKillForValNum(I->ValId, Start, End);
I->end = Start;
return;
}
@ -438,8 +438,6 @@ void LiveInterval::MergeValueNumberInto(unsigned V1, unsigned V2) {
if (LR != begin()) {
iterator Prev = LR-1;
if (Prev->ValId == V2 && Prev->end == LR->start) {
bool Replaced = replaceKillForValNum(V2, Prev->end, LR->end);
assert(Replaced);
Prev->end = LR->end;
// Erase this live-range.
@ -458,7 +456,6 @@ void LiveInterval::MergeValueNumberInto(unsigned V1, unsigned V2) {
// of the loop.
if (I != end()) {
if (I->start == LR->end && I->ValId == V2) {
removeKillForValNum(V2, LR->end);
LR->end = I->end;
ranges.erase(I);
I = LR+1;