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Pretty print DBG_VALUE machine instructions.

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Before:
DBG_VALUE %RSI, 0, !-1; dbg:SimpleRegisterCoalescing.cpp:2707
Now:
DBG_VALUE %RSI, 0, !"this"; dbg:SimpleRegisterCoalescing.cpp:2707

llvm-svn: 102518
This commit is contained in:
Evan Cheng 2010-04-28 20:03:13 +00:00
parent 9867c1a075
commit fb33f168e0
1 changed files with 9 additions and 1 deletions
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10
lib/CodeGen/MachineInstr.cpp
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@ -1187,7 +1187,15 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const {
if (TOI.isOptionalDef())
OS << "opt:";
}
MO.print(OS, TM);
if (isDebugValue() && MO.isMetadata()) {
// Pretty print DBG_VALUE instructions.
const MDNode *MD = MO.getMetadata();
if (const MDString *MDS = dyn_cast<MDString>(MD->getOperand(2)))
OS << "!\"" << MDS->getString() << '\"';
else
MO.print(OS, TM);
} else
MO.print(OS, TM);
}
// Briefly indicate whether any call clobbers were omitted.