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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40022 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-07-18 23:34:48 +00:00
parent ccb21fdbb6
commit 273288c888
1 changed files with 3 additions and 0 deletions
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3
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -369,6 +369,9 @@ bool SimpleRegisterCoalescing::JoinCopy(MachineInstr *CopyMI,
// If the intervals were swapped by Join, swap them back so that the register
// mapping (in the r2i map) is correct.
if (Swapped) SrcInt.swap(DstInt);
// repSrcReg is guarateed to be the register whose live interval that is
// being merged.
li_->removeInterval(repSrcReg);
r2rMap_[repSrcReg] = repDstReg;