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rdar://7937137 - dbg values not being handled in thumb1 version of

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eliminateFrameIndex(), leading to llvm_unreachable() assertion failure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102980 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2010-05-04 00:11:37 +00:00
parent 7ae3ac831e
commit 6e62b4ef14
1 changed files with 7 additions and 0 deletions
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7
lib/Target/ARM/Thumb1RegisterInfo.cpp
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@ -464,6 +464,13 @@ Thumb1RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
Offset -= AFI->getFramePtrSpillOffset();
}
// Special handling of dbg_value instructions.
if (MI.isDebugValue()) {
MI.getOperand(i). ChangeToRegister(FrameReg, false /*isDef*/);
MI.getOperand(i+1).ChangeToImmediate(Offset);
return 0;
}
unsigned Opcode = MI.getOpcode();
const TargetInstrDesc &Desc = MI.getDesc();
unsigned AddrMode = (Desc.TSFlags & ARMII::AddrModeMask);