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Fix a bug with the LiveIntervals updating in the two-address pass found by

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running ASCI_Purple/SMG2000 in the test-suite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175957 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich 2013-02-23 04:49:22 +00:00
parent 4c57942608
commit b4bd022731
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -370,7 +370,7 @@ static bool isPlainlyKilled(MachineInstr *MI, unsigned Reg,
SlotIndex useIdx = LIS->getInstructionIndex(MI);
LiveInterval::const_iterator I = LI.find(useIdx);
assert(I != LI.end() && "Reg must be live-in to use.");
return SlotIndex::isSameInstr(I->end, useIdx);
return !I->end.isBlock() && SlotIndex::isSameInstr(I->end, useIdx);
}
return MI->killsRegister(Reg);