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Fix problem fusing spill code into instructions: we didn't update the live

variable information to take into account the change of instruction
address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11628 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-02-19 18:34:02 +00:00
parent a96478d7d6
commit d368c6163a

View File

@ -496,6 +496,9 @@ MachineInstr *RA::reloadVirtReg(MachineBasicBlock &MBB, MachineInstr *MI,
MachineBasicBlock::iterator MII = MI;
if (RegInfo->foldMemoryOperand(MII, OpNum, FrameIndex)) {
++NumFused;
// Since we changed the address of MI, make sure to update live variables
// to know that the new instruction has the properties of the old one.
LV->instructionChanged(MI, MII);
return MII;
}