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Emit debug info for byval parameters.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102486 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-04-28 01:39:28 +00:00
parent 8b1190a540
commit 28ff35d030
6 changed files with 79 additions and 5 deletions
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13
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1602,6 +1602,15 @@ DIE *DwarfDebug::constructVariableDIE(DbgVariable *DV, DbgScope *Scope) {
updated = addConstantValue(VariableDie, DV, DVInsn->getOperand(0));
else if (DVInsn->getOperand(0).isFPImm())
updated = addConstantFPValue(VariableDie, DV, DVInsn->getOperand(0));
} else {
MachineLocation Location = Asm->getDebugValueLocation(DVInsn);
if (Location.getReg()) {
addAddress(VariableDie, dwarf::DW_AT_location, Location);
if (MCSymbol *VS = DV->getDbgValueLabel())
addLabel(VariableDie, dwarf::DW_AT_start_scope, dwarf::DW_FORM_addr,
VS);
updated = true;
}
}
if (!updated) {
// If variableDie is not updated then DBG_VALUE instruction does not
@ -2102,10 +2111,6 @@ void DwarfDebug::collectVariableInfo() {
if (!MInsn->isDebugValue())
continue;
// FIXME : Lift this restriction.
if (MInsn->getNumOperands() != 3)
continue;
// Ignore Undef values.
if (MInsn->getOperand(0).isReg() && !MInsn->getOperand(0).getReg())
continue;