replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

When updating live range endpoints, make sure to preserve the early clobber bit. 

Fixs PR13719.

llvm-svn: 163107
This commit is contained in:
Lang Hames 2012-09-03 06:31:45 +00:00
parent dcc54decd5
commit 90152701eb
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
View File

@ -1173,7 +1173,7 @@ private:
SlotIndex LastUse = findLastUseBefore(LI->reg, OldIdx);
if (LastUse != NewIdx)
moveKillFlags(LI->reg, NewIdx, LastUse);
LR->end = LastUse.getRegSlot();
LR->end = LastUse.getRegSlot(LR->end.isEarlyClobber());
}
void moveEnteringDownFrom(SlotIndex OldIdx, IntRangePair& P) {
@ -1187,7 +1187,7 @@ private:
assert(LR->end > OldIdx && "LiveRange does not cover original slot");
moveKillFlags(LI->reg, LR->end, NewIdx);
}
LR->end = NewIdx.getRegSlot();
LR->end = NewIdx.getRegSlot(LR->end.isEarlyClobber());
}
}