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merge DIEObjectLabel and DIEDwarfLabel into DIELabel.

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Yes, DIE you fiendish labels, die all of you.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97995 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-08 22:31:46 +00:00
parent 7aa8189706
commit 4faf59af82
5 changed files with 13 additions and 89 deletions
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32
lib/CodeGen/AsmPrinter/DIE.cpp
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@ -254,53 +254,29 @@ void DIEString::print(raw_ostream &O) {
#endif
//===----------------------------------------------------------------------===//
// DIEDwarfLabel Implementation
// DIELabel Implementation
//===----------------------------------------------------------------------===//
/// EmitValue - Emit label value.
///
void DIEDwarfLabel::EmitValue(DwarfPrinter *D, unsigned Form) const {
void DIELabel::EmitValue(DwarfPrinter *D, unsigned Form) const {
bool IsSmall = Form == dwarf::DW_FORM_data4;
D->EmitReference(Label, false, IsSmall);
}
/// SizeOf - Determine size of label value in bytes.
///
unsigned DIEDwarfLabel::SizeOf(const TargetData *TD, unsigned Form) const {
unsigned DIELabel::SizeOf(const TargetData *TD, unsigned Form) const {
if (Form == dwarf::DW_FORM_data4) return 4;
return TD->getPointerSize();
}
#ifndef NDEBUG
void DIEDwarfLabel::print(raw_ostream &O) {
void DIELabel::print(raw_ostream &O) {
O << "Lbl: " << Label->getName();
}
#endif
//===----------------------------------------------------------------------===//
// DIEObjectLabel Implementation
//===----------------------------------------------------------------------===//
/// EmitValue - Emit label value.
///
void DIEObjectLabel::EmitValue(DwarfPrinter *D, unsigned Form) const {
bool IsSmall = Form == dwarf::DW_FORM_data4;
D->EmitReference(Sym, false, IsSmall);
}
/// SizeOf - Determine size of label value in bytes.
///
unsigned DIEObjectLabel::SizeOf(const TargetData *TD, unsigned Form) const {
if (Form == dwarf::DW_FORM_data4) return 4;
return TD->getPointerSize();
}
#ifndef NDEBUG
void DIEObjectLabel::print(raw_ostream &O) {
O << "Obj: " << Sym->getName();
}
#endif
//===----------------------------------------------------------------------===//
// DIESectionOffset Implementation
//===----------------------------------------------------------------------===//

38
lib/CodeGen/AsmPrinter/DIE.h
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@ -203,7 +203,6 @@ namespace llvm {
isInteger,
isString,
isLabel,
isAsIsLabel,
isSectionOffset,
isDelta,
isEntry,
@ -306,13 +305,12 @@ namespace llvm {
};
//===--------------------------------------------------------------------===//
/// DIEDwarfLabel - A Dwarf internal label expression DIE.
/// DIELabel - A label expression DIE.
//
/// FIXME: Merge into DIEObjectLabel.
class DIEDwarfLabel : public DIEValue {
class DIELabel : public DIEValue {
const MCSymbol *Label;
public:
explicit DIEDwarfLabel(const MCSymbol *L) : DIEValue(isLabel), Label(L) {}
explicit DIELabel(const MCSymbol *L) : DIEValue(isLabel), Label(L) {}
/// EmitValue - Emit label value.
///
@ -323,37 +321,9 @@ namespace llvm {
virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEDwarfLabel *) { return true; }
static bool classof(const DIELabel *) { return true; }
static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
#ifndef NDEBUG
virtual void print(raw_ostream &O);
#endif
};
//===--------------------------------------------------------------------===//
/// DIEObjectLabel - A label to an object in code or data.
//
class DIEObjectLabel : public DIEValue {
const MCSymbol *Sym;
public:
explicit DIEObjectLabel(const MCSymbol *S)
: DIEValue(isAsIsLabel), Sym(S) {}
/// EmitValue - Emit label value.
///
virtual void EmitValue(DwarfPrinter *D, unsigned Form) const;
/// SizeOf - Determine size of label value in bytes.
///
virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEObjectLabel *) { return true; }
static bool classof(const DIEValue *L) {
return L->getType() == isAsIsLabel;
}
#ifndef NDEBUG
virtual void print(raw_ostream &O);
#endif

20
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -367,17 +367,7 @@ void DwarfDebug::addString(DIE *Die, unsigned Attribute, unsigned Form,
///
void DwarfDebug::addLabel(DIE *Die, unsigned Attribute, unsigned Form,
const MCSymbol *Label) {
// FIXME: Merge into DIEObjectLabel?
DIEValue *Value = new DIEDwarfLabel(Label);
DIEValues.push_back(Value);
Die->addValue(Attribute, Form, Value);
}
/// addObjectLabel - Add an non-Dwarf label attribute data and value.
///
void DwarfDebug::addObjectLabel(DIE *Die, unsigned Attribute, unsigned Form,
const MCSymbol *Sym) {
DIEValue *Value = new DIEObjectLabel(Sym);
DIEValue *Value = new DIELabel(Label);
DIEValues.push_back(Value);
Die->addValue(Attribute, Form, Value);
}
@ -1704,16 +1694,16 @@ void DwarfDebug::constructGlobalVariableDIE(MDNode *N) {
dwarf::DW_FORM_ref4, VariableDie);
DIEBlock *Block = new DIEBlock();
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
addObjectLabel(Block, 0, dwarf::DW_FORM_udata,
Asm->GetGlobalValueSymbol(DI_GV.getGlobal()));
addLabel(Block, 0, dwarf::DW_FORM_udata,
Asm->GetGlobalValueSymbol(DI_GV.getGlobal()));
addBlock(VariableSpecDIE, dwarf::DW_AT_location, 0, Block);
addUInt(VariableDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
ModuleCU->addDie(VariableSpecDIE);
} else {
DIEBlock *Block = new DIEBlock();
addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
addObjectLabel(Block, 0, dwarf::DW_FORM_udata,
Asm->GetGlobalValueSymbol(DI_GV.getGlobal()));
addLabel(Block, 0, dwarf::DW_FORM_udata,
Asm->GetGlobalValueSymbol(DI_GV.getGlobal()));
addBlock(VariableDie, dwarf::DW_AT_location, 0, Block);
}
addToContextOwner(VariableDie, GVContext);

5
lib/CodeGen/AsmPrinter/DwarfDebug.h
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@ -245,11 +245,6 @@ class DwarfDebug : public DwarfPrinter {
void addLabel(DIE *Die, unsigned Attribute, unsigned Form,
const MCSymbol *Label);
/// addObjectLabel - Add an non-Dwarf label attribute data and value.
///
void addObjectLabel(DIE *Die, unsigned Attribute, unsigned Form,
const MCSymbol *Sym);
/// addSectionOffset - Add a section offset label attribute data and value.
///
void addSectionOffset(DIE *Die, unsigned Attribute, unsigned Form,

7
lib/CodeGen/AsmPrinter/DwarfPrinter.h
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@ -159,13 +159,6 @@ public:
bool IsSmall = false, bool isEH = false,
bool useSet = true);
#if 0
void EmitSectionOffset(const char* Label, const char* Section,
unsigned LabelNumber, unsigned SectionNumber,
bool IsSmall = false, bool isEH = false,
bool useSet = true);
#endif
/// EmitFrameMoves - Emit frame instructions to describe the layout of the
/// frame.
void EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,