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Fix an obvious mistake: don't change the operands until all of them have been

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checked and it is safe to proceed with the changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105304 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-06-02 00:16:08 +00:00
parent b242563741
commit b2c2a972b0
1 changed files with 0 additions and 2 deletions
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2
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -1200,8 +1200,6 @@ TwoAddressInstructionPass::CoalesceExtSubRegs(SmallVector<unsigned,4> &Srcs,
Proceed = false;
break;
}
MO.setReg(DstReg);
MO.setSubReg(NewSubIdx);
}
if (Proceed)
for (MachineRegisterInfo::reg_iterator RI = MRI->reg_begin(SrcReg),