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Ignore debug info one more place during coalescing.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95819 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2010-02-10 23:04:09 +00:00
parent 9a722caa26
commit 99efcf299f
1 changed files with 2 additions and 0 deletions
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2
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -1173,6 +1173,8 @@ SimpleRegisterCoalescing::HasIncompatibleSubRegDefUse(MachineInstr *CopyMI,
for (MachineRegisterInfo::reg_iterator I = mri_->reg_begin(VirtReg),
E = mri_->reg_end(); I != E; ++I) {
MachineOperand &O = I.getOperand();
if (O.isDebug())
continue;
MachineInstr *MI = &*I;
if (MI == CopyMI || JoinedCopies.count(MI))
continue;