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Refactor. 

llvm-svn: 134703
This commit is contained in:
Devang Patel 2011-07-08 17:09:57 +00:00
parent ed9fd45740
commit 2442a89eb9
1 changed files with 29 additions and 28 deletions
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57
llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1355,6 +1355,34 @@ static bool isDbgValueInDefinedReg(const MachineInstr *MI) {
MI->getOperand(1).isImm() && MI->getOperand(1).getImm() == 0;
}
/// getDebugLocEntry - Get .debug_loc entry for the instraction range starting
/// at MI.
static DotDebugLocEntry getDebugLocEntry(AsmPrinter *Asm,
const MCSymbol *FLabel,
const MCSymbol *SLabel,
const MachineInstr *MI) {
const MDNode *Var = MI->getOperand(MI->getNumOperands() - 1).getMetadata();
if (MI->getNumOperands() != 3) {
MachineLocation MLoc = Asm->getDebugValueLocation(MI);
return DotDebugLocEntry(FLabel, SLabel, MLoc, Var);
}
if (MI->getOperand(0).isReg() && MI->getOperand(1).isImm()) {
MachineLocation MLoc;
MLoc.set(MI->getOperand(0).getReg(), MI->getOperand(1).getImm());
return DotDebugLocEntry(FLabel, SLabel, MLoc, Var);
}
if (MI->getOperand(0).isImm())
return DotDebugLocEntry(FLabel, SLabel, MI->getOperand(0).getImm());
if (MI->getOperand(0).isFPImm())
return DotDebugLocEntry(FLabel, SLabel, MI->getOperand(0).getFPImm());
if (MI->getOperand(0).isCImm())
return DotDebugLocEntry(FLabel, SLabel, MI->getOperand(0).getCImm());
assert (0 && "Unexpected 3 operand DBG_VALUE instruction!");
return DotDebugLocEntry();
}
/// collectVariableInfo - Populate DbgScope entries with variables' info.
void
DwarfDebug::collectVariableInfo(const MachineFunction *MF,
@ -1441,34 +1469,7 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF,
}
// The value is valid until the next DBG_VALUE or clobber.
MachineLocation MLoc;
if (Begin->getNumOperands() == 3) {
if (Begin->getOperand(0).isReg() && Begin->getOperand(1).isImm()) {
MLoc.set(Begin->getOperand(0).getReg(),
Begin->getOperand(1).getImm());
DotDebugLocEntries.
push_back(DotDebugLocEntry(FLabel, SLabel, MLoc, Var));
}
else if (Begin->getOperand(0).isImm()) {
DotDebugLocEntries.
push_back(DotDebugLocEntry(FLabel, SLabel,
Begin->getOperand(0).getImm()));
} else if (Begin->getOperand(0).isFPImm()) {
DotDebugLocEntries.
push_back(DotDebugLocEntry(FLabel, SLabel,
Begin->getOperand(0).getFPImm()));
} else if (Begin->getOperand(0).isCImm()) {
DotDebugLocEntries.
push_back(DotDebugLocEntry(FLabel, SLabel,
Begin->getOperand(0).getCImm()));
} else {
assert (0 && "Unexpected 3 operand DBG_VALUE instruction!");
}
} else {
MLoc = Asm->getDebugValueLocation(Begin);
DotDebugLocEntries.
push_back(DotDebugLocEntry(FLabel, SLabel, MLoc, Var));
}
DotDebugLocEntries.push_back(getDebugLocEntry(Asm, FLabel, SLabel, Begin));
}
DotDebugLocEntries.push_back(DotDebugLocEntry());
}