[llvm] r193091 - DebugInfo: Put each kind of constant (form, attribute, tag, etc) into its own enum for ease of use.

Alexey Samsonov samsonov at google.com
Tue Oct 22 00:10:17 PDT 2013


Cool

Mind if I use all these enums in the DWARF parser? (when I get to it).


On Mon, Oct 21, 2013 at 9:28 PM, David Blaikie <dblaikie at gmail.com> wrote:

> Author: dblaikie
> Date: Mon Oct 21 12:28:37 2013
> New Revision: 193091
>
> URL: http://llvm.org/viewvc/llvm-project?rev=193091&view=rev
> Log:
> DebugInfo: Put each kind of constant (form, attribute, tag, etc) into its
> own enum for ease of use.
>
> This allows various variables to be more self-documenting and easier to
> debug by being of specific types without overlapping enum values.
>
> Precommit review by Eric Christopher.
>
> Modified:
>     llvm/trunk/include/llvm/Support/Dwarf.h
>     llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp
>     llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h
>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
>
> Modified: llvm/trunk/include/llvm/Support/Dwarf.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Dwarf.h?rev=193091&r1=193090&r2=193091&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/Support/Dwarf.h (original)
> +++ llvm/trunk/include/llvm/Support/Dwarf.h Mon Oct 21 12:28:37 2013
> @@ -68,8 +68,7 @@ enum LLVMConstants LLVM_ENUM_INT_TYPE(ui
>  const uint32_t DW_CIE_ID = UINT32_MAX;
>  const uint64_t DW64_CIE_ID = UINT64_MAX;
>
> -enum Constants {
> -  // Tags
> +enum Tag LLVM_ENUM_INT_TYPE(uint16_t) {
>    DW_TAG_array_type = 0x01,
>    DW_TAG_class_type = 0x02,
>    DW_TAG_entry_point = 0x03,
> @@ -139,12 +138,10 @@ enum Constants {
>    DW_TAG_GNU_formal_parameter_pack = 0x4108,
>    DW_TAG_lo_user = 0x4080,
>    DW_TAG_APPLE_property = 0x4200,
> -  DW_TAG_hi_user = 0xffff,
> -
> -  // Children flag
> -  DW_CHILDREN_no = 0x00,
> -  DW_CHILDREN_yes = 0x01,
> +  DW_TAG_hi_user = 0xffff
> +};
>
> +enum Attribute LLVM_ENUM_INT_TYPE(uint16_t) {
>    // Attributes
>    DW_AT_sibling = 0x01,
>    DW_AT_location = 0x02,
> @@ -295,8 +292,10 @@ enum Constants {
>    DW_AT_APPLE_property_setter = 0x3fea,
>    DW_AT_APPLE_property_attribute = 0x3feb,
>    DW_AT_APPLE_objc_complete_type = 0x3fec,
> -  DW_AT_APPLE_property = 0x3fed,
> +  DW_AT_APPLE_property = 0x3fed
> +};
>
> +enum Form LLVM_ENUM_INT_TYPE(uint16_t) {
>    // Attribute form encodings
>    DW_FORM_addr = 0x01,
>    DW_FORM_block2 = 0x03,
> @@ -326,8 +325,10 @@ enum Constants {
>
>    // Extensions for Fission proposal
>    DW_FORM_GNU_addr_index = 0x1f01,
> -  DW_FORM_GNU_str_index = 0x1f02,
> +  DW_FORM_GNU_str_index = 0x1f02
> +};
>
> +enum LocationAtom {
>    // Operation encodings
>    DW_OP_addr = 0x03,
>    DW_OP_deref = 0x06,
> @@ -491,8 +492,10 @@ enum Constants {
>
>    // Extensions for Fission proposal.
>    DW_OP_GNU_addr_index = 0xfb,
> -  DW_OP_GNU_const_index = 0xfc,
> +  DW_OP_GNU_const_index = 0xfc
> +};
>
> +enum TypeKind {
>    // Encoding attribute values
>    DW_ATE_address = 0x01,
>    DW_ATE_boolean = 0x02,
> @@ -511,37 +514,49 @@ enum Constants {
>    DW_ATE_decimal_float = 0x0f,
>    DW_ATE_UTF = 0x10,
>    DW_ATE_lo_user = 0x80,
> -  DW_ATE_hi_user = 0xff,
> +  DW_ATE_hi_user = 0xff
> +};
>
> +enum DecimalSignEncoding {
>    // Decimal sign attribute values
>    DW_DS_unsigned = 0x01,
>    DW_DS_leading_overpunch = 0x02,
>    DW_DS_trailing_overpunch = 0x03,
>    DW_DS_leading_separate = 0x04,
> -  DW_DS_trailing_separate = 0x05,
> +  DW_DS_trailing_separate = 0x05
> +};
>
> +enum EndianityEncoding {
>    // Endianity attribute values
>    DW_END_default = 0x00,
>    DW_END_big = 0x01,
>    DW_END_little = 0x02,
>    DW_END_lo_user = 0x40,
> -  DW_END_hi_user = 0xff,
> +  DW_END_hi_user = 0xff
> +};
>
> +enum AccessAttribute {
>    // Accessibility codes
>    DW_ACCESS_public = 0x01,
>    DW_ACCESS_protected = 0x02,
> -  DW_ACCESS_private = 0x03,
> +  DW_ACCESS_private = 0x03
> +};
>
> +enum VisibilityAttribute {
>    // Visibility codes
>    DW_VIS_local = 0x01,
>    DW_VIS_exported = 0x02,
> -  DW_VIS_qualified = 0x03,
> +  DW_VIS_qualified = 0x03
> +};
>
> +enum VirtualityAttribute {
>    // Virtuality codes
>    DW_VIRTUALITY_none = 0x00,
>    DW_VIRTUALITY_virtual = 0x01,
> -  DW_VIRTUALITY_pure_virtual = 0x02,
> +  DW_VIRTUALITY_pure_virtual = 0x02
> +};
>
> +enum SourceLanguage {
>    // Language names
>    DW_LANG_C89 = 0x0001,
>    DW_LANG_C = 0x0002,
> @@ -565,35 +580,47 @@ enum Constants {
>    DW_LANG_Python = 0x0014,
>    DW_LANG_lo_user = 0x8000,
>    DW_LANG_Mips_Assembler = 0x8001,
> -  DW_LANG_hi_user = 0xffff,
> +  DW_LANG_hi_user = 0xffff
> +};
>
> +enum CaseSensitivity {
>    // Identifier case codes
>    DW_ID_case_sensitive = 0x00,
>    DW_ID_up_case = 0x01,
>    DW_ID_down_case = 0x02,
> -  DW_ID_case_insensitive = 0x03,
> +  DW_ID_case_insensitive = 0x03
> +};
>
> +enum CallingConvention {
>    // Calling convention codes
>    DW_CC_normal = 0x01,
>    DW_CC_program = 0x02,
>    DW_CC_nocall = 0x03,
>    DW_CC_lo_user = 0x40,
> -  DW_CC_hi_user = 0xff,
> +  DW_CC_hi_user = 0xff
> +};
>
> +enum InlineAttribute {
>    // Inline codes
>    DW_INL_not_inlined = 0x00,
>    DW_INL_inlined = 0x01,
>    DW_INL_declared_not_inlined = 0x02,
> -  DW_INL_declared_inlined = 0x03,
> +  DW_INL_declared_inlined = 0x03
> +};
>
> +enum ArrayDimensionOrdering {
>    // Array ordering
>    DW_ORD_row_major = 0x00,
> -  DW_ORD_col_major = 0x01,
> +  DW_ORD_col_major = 0x01
> +};
>
> +enum DiscriminantList {
>    // Discriminant descriptor values
>    DW_DSC_label = 0x00,
> -  DW_DSC_range = 0x01,
> +  DW_DSC_range = 0x01
> +};
>
> +enum LineNumberOps {
>    // Line Number Standard Opcode Encodings
>    DW_LNS_extended_op = 0x00,
>    DW_LNS_copy = 0x01,
> @@ -607,23 +634,29 @@ enum Constants {
>    DW_LNS_fixed_advance_pc = 0x09,
>    DW_LNS_set_prologue_end = 0x0a,
>    DW_LNS_set_epilogue_begin = 0x0b,
> -  DW_LNS_set_isa = 0x0c,
> +  DW_LNS_set_isa = 0x0c
> +};
>
> +enum LineNumberExtendedOps {
>    // Line Number Extended Opcode Encodings
>    DW_LNE_end_sequence = 0x01,
>    DW_LNE_set_address = 0x02,
>    DW_LNE_define_file = 0x03,
>    DW_LNE_set_discriminator = 0x04,
>    DW_LNE_lo_user = 0x80,
> -  DW_LNE_hi_user = 0xff,
> +  DW_LNE_hi_user = 0xff
> +};
>
> +enum MacinfoRecordType {
>    // Macinfo Type Encodings
>    DW_MACINFO_define = 0x01,
>    DW_MACINFO_undef = 0x02,
>    DW_MACINFO_start_file = 0x03,
>    DW_MACINFO_end_file = 0x04,
> -  DW_MACINFO_vendor_ext = 0xff,
> +  DW_MACINFO_vendor_ext = 0xff
> +};
>
> +enum CallFrameInfo {
>    // Call frame instruction encodings
>    DW_CFA_extended = 0x00,
>    DW_CFA_nop = 0x00,
> @@ -656,7 +689,13 @@ enum Constants {
>    DW_CFA_GNU_window_save = 0x2d,
>    DW_CFA_GNU_args_size = 0x2e,
>    DW_CFA_lo_user = 0x1c,
> -  DW_CFA_hi_user = 0x3f,
> +  DW_CFA_hi_user = 0x3f
> +};
> +
> +enum Constants {
> +  // Children flag
> +  DW_CHILDREN_no = 0x00,
> +  DW_CHILDREN_yes = 0x01,
>
>    DW_EH_PE_absptr = 0x00,
>    DW_EH_PE_omit = 0xff,
> @@ -674,8 +713,10 @@ enum Constants {
>    DW_EH_PE_datarel = 0x30,
>    DW_EH_PE_funcrel = 0x40,
>    DW_EH_PE_aligned = 0x50,
> -  DW_EH_PE_indirect = 0x80,
> +  DW_EH_PE_indirect = 0x80
> +};
>
> +enum ApplePropertyAttributes {
>    // Apple Objective-C Property Attributes
>    DW_APPLE_PROPERTY_readonly = 0x01,
>    DW_APPLE_PROPERTY_readwrite = 0x02,
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp?rev=193091&r1=193090&r2=193091&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp Mon Oct 21 12:28:37 2013
> @@ -187,7 +187,7 @@ void DIEValue::dump() const {
>
>  /// EmitValue - Emit integer of appropriate size.
>  ///
> -void DIEInteger::EmitValue(AsmPrinter *Asm, uint16_t Form) const {
> +void DIEInteger::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const {
>    unsigned Size = ~0U;
>    switch (Form) {
>    case dwarf::DW_FORM_flag_present:
> @@ -219,7 +219,7 @@ void DIEInteger::EmitValue(AsmPrinter *A
>
>  /// SizeOf - Determine size of integer value in bytes.
>  ///
> -unsigned DIEInteger::SizeOf(AsmPrinter *AP, uint16_t Form) const {
> +unsigned DIEInteger::SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
>    switch (Form) {
>    case dwarf::DW_FORM_flag_present: return 0;
>    case dwarf::DW_FORM_flag:  // Fall thru
> @@ -254,13 +254,13 @@ void DIEInteger::print(raw_ostream &O) c
>
>  /// EmitValue - Emit expression value.
>  ///
> -void DIEExpr::EmitValue(AsmPrinter *AP, uint16_t Form) const {
> +void DIEExpr::EmitValue(AsmPrinter *AP, dwarf::Form Form) const {
>    AP->OutStreamer.EmitValue(Expr, SizeOf(AP, Form));
>  }
>
>  /// SizeOf - Determine size of expression value in bytes.
>  ///
> -unsigned DIEExpr::SizeOf(AsmPrinter *AP, uint16_t Form) const {
> +unsigned DIEExpr::SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
>    if (Form == dwarf::DW_FORM_data4) return 4;
>    if (Form == dwarf::DW_FORM_sec_offset) return 4;
>    if (Form == dwarf::DW_FORM_strp) return 4;
> @@ -280,15 +280,16 @@ void DIEExpr::print(raw_ostream &O) cons
>
>  /// EmitValue - Emit label value.
>  ///
> -void DIELabel::EmitValue(AsmPrinter *AP, uint16_t Form) const {
> -  AP->EmitLabelReference(Label, SizeOf(AP, Form), Form ==
> dwarf::DW_FORM_strp
> -    || Form == dwarf::DW_FORM_sec_offset || Form == dwarf::DW_OP_call_ref
> -    || Form == dwarf::DW_FORM_ref_addr);
> +void DIELabel::EmitValue(AsmPrinter *AP, dwarf::Form Form) const {
> +  AP->EmitLabelReference(Label, SizeOf(AP, Form),
> +                         Form == dwarf::DW_FORM_strp ||
> +                             Form == dwarf::DW_FORM_sec_offset ||
> +                             Form == dwarf::DW_FORM_ref_addr);
>  }
>
>  /// SizeOf - Determine size of label value in bytes.
>  ///
> -unsigned DIELabel::SizeOf(AsmPrinter *AP, uint16_t Form) const {
> +unsigned DIELabel::SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
>    if (Form == dwarf::DW_FORM_data4) return 4;
>    if (Form == dwarf::DW_FORM_sec_offset) return 4;
>    if (Form == dwarf::DW_FORM_strp) return 4;
> @@ -307,13 +308,13 @@ void DIELabel::print(raw_ostream &O) con
>
>  /// EmitValue - Emit delta value.
>  ///
> -void DIEDelta::EmitValue(AsmPrinter *AP, uint16_t Form) const {
> +void DIEDelta::EmitValue(AsmPrinter *AP, dwarf::Form Form) const {
>    AP->EmitLabelDifference(LabelHi, LabelLo, SizeOf(AP, Form));
>  }
>
>  /// SizeOf - Determine size of delta value in bytes.
>  ///
> -unsigned DIEDelta::SizeOf(AsmPrinter *AP, uint16_t Form) const {
> +unsigned DIEDelta::SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
>    if (Form == dwarf::DW_FORM_data4) return 4;
>    if (Form == dwarf::DW_FORM_strp) return 4;
>    return AP->getDataLayout().getPointerSize();
> @@ -331,13 +332,13 @@ void DIEDelta::print(raw_ostream &O) con
>
>  /// EmitValue - Emit string value.
>  ///
> -void DIEString::EmitValue(AsmPrinter *AP, uint16_t Form) const {
> +void DIEString::EmitValue(AsmPrinter *AP, dwarf::Form Form) const {
>    Access->EmitValue(AP, Form);
>  }
>
>  /// SizeOf - Determine size of delta value in bytes.
>  ///
> -unsigned DIEString::SizeOf(AsmPrinter *AP, uint16_t Form) const {
> +unsigned DIEString::SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
>    return Access->SizeOf(AP, Form);
>  }
>
> @@ -354,7 +355,7 @@ void DIEString::print(raw_ostream &O) co
>
>  /// EmitValue - Emit debug information entry offset.
>  ///
> -void DIEEntry::EmitValue(AsmPrinter *AP, uint16_t Form) const {
> +void DIEEntry::EmitValue(AsmPrinter *AP, dwarf::Form Form) const {
>    AP->EmitInt32(Entry->getOffset());
>  }
>
> @@ -392,7 +393,7 @@ unsigned DIEBlock::ComputeSize(AsmPrinte
>
>  /// EmitValue - Emit block data.
>  ///
> -void DIEBlock::EmitValue(AsmPrinter *Asm, uint16_t Form) const {
> +void DIEBlock::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const {
>    switch (Form) {
>    default: llvm_unreachable("Improper form for block");
>    case dwarf::DW_FORM_block1: Asm->EmitInt8(Size);    break;
> @@ -408,7 +409,7 @@ void DIEBlock::EmitValue(AsmPrinter *Asm
>
>  /// SizeOf - Determine size of block data in bytes.
>  ///
> -unsigned DIEBlock::SizeOf(AsmPrinter *AP, uint16_t Form) const {
> +unsigned DIEBlock::SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
>    switch (Form) {
>    case dwarf::DW_FORM_block1: return Size + sizeof(int8_t);
>    case dwarf::DW_FORM_block2: return Size + sizeof(int16_t);
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h?rev=193091&r1=193090&r2=193091&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h Mon Oct 21 12:28:37 2013
> @@ -33,17 +33,17 @@ namespace llvm {
>    class DIEAbbrevData {
>      /// Attribute - Dwarf attribute code.
>      ///
> -    uint16_t Attribute;
> +    dwarf::Attribute Attribute;
>
>      /// Form - Dwarf form code.
>      ///
> -    uint16_t Form;
> +    dwarf::Form Form;
>    public:
> -    DIEAbbrevData(uint16_t A, uint16_t F) : Attribute(A), Form(F) {}
> +    DIEAbbrevData(dwarf::Attribute A, dwarf::Form F) : Attribute(A),
> Form(F) {}
>
>      // Accessors.
> -    uint16_t getAttribute() const { return Attribute; }
> -    uint16_t getForm()      const { return Form; }
> +    dwarf::Attribute getAttribute() const { return Attribute; }
> +    dwarf::Form getForm() const { return Form; }
>
>      /// Profile - Used to gather unique data for the abbreviation folding
> set.
>      ///
> @@ -56,7 +56,7 @@ namespace llvm {
>    class DIEAbbrev : public FoldingSetNode {
>      /// Tag - Dwarf tag code.
>      ///
> -    uint16_t Tag;
> +    dwarf::Tag Tag;
>
>      /// ChildrenFlag - Dwarf children flag.
>      ///
> @@ -71,10 +71,10 @@ namespace llvm {
>      SmallVector<DIEAbbrevData, 12> Data;
>
>    public:
> -    DIEAbbrev(uint16_t T, uint16_t C) : Tag(T), ChildrenFlag(C), Data() {}
> +    DIEAbbrev(dwarf::Tag T, uint16_t C) : Tag(T), ChildrenFlag(C), Data()
> {}
>
>      // Accessors.
> -    uint16_t getTag() const { return Tag; }
> +    dwarf::Tag getTag() const { return Tag; }
>      unsigned getNumber() const { return Number; }
>      uint16_t getChildrenFlag() const { return ChildrenFlag; }
>      const SmallVectorImpl<DIEAbbrevData> &getData() const { return Data; }
> @@ -83,7 +83,7 @@ namespace llvm {
>
>      /// AddAttribute - Adds another set of attribute information to the
>      /// abbreviation.
> -    void AddAttribute(uint16_t Attribute, uint16_t Form) {
> +    void AddAttribute(dwarf::Attribute Attribute, dwarf::Form Form) {
>        Data.push_back(DIEAbbrevData(Attribute, Form));
>      }
>
> @@ -136,13 +136,14 @@ namespace llvm {
>  #endif
>    public:
>      explicit DIE(unsigned Tag)
> -      : Offset(0), Size(0), Abbrev(Tag, dwarf::DW_CHILDREN_no), Parent(0)
> {}
> +        : Offset(0), Size(0), Abbrev((dwarf::Tag)Tag,
> dwarf::DW_CHILDREN_no),
> +          Parent(0) {}
>      virtual ~DIE();
>
>      // Accessors.
>      DIEAbbrev &getAbbrev() { return Abbrev; }
>      unsigned getAbbrevNumber() const { return Abbrev.getNumber(); }
> -    uint16_t getTag() const { return Abbrev.getTag(); }
> +    dwarf::Tag getTag() const { return Abbrev.getTag(); }
>      unsigned getOffset() const { return Offset; }
>      unsigned getSize() const { return Size; }
>      const std::vector<DIE *> &getChildren() const { return Children; }
> @@ -153,7 +154,8 @@ namespace llvm {
>
>      /// addValue - Add a value and attributes to a DIE.
>      ///
> -    void addValue(uint16_t Attribute, uint16_t Form, DIEValue *Value) {
> +    void addValue(dwarf::Attribute Attribute, dwarf::Form Form,
> +                  DIEValue *Value) {
>        Abbrev.AddAttribute(Attribute, Form);
>        Values.push_back(Value);
>      }
> @@ -205,11 +207,11 @@ namespace llvm {
>
>      /// EmitValue - Emit value via the Dwarf writer.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const = 0;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const = 0;
>
>      /// SizeOf - Return the size of a value in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const = 0;
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const = 0;
>
>  #ifndef NDEBUG
>      virtual void print(raw_ostream &O) const = 0;
> @@ -227,7 +229,7 @@ namespace llvm {
>
>      /// BestForm - Choose the best form for integer.
>      ///
> -    static uint16_t BestForm(bool IsSigned, uint64_t Int) {
> +    static dwarf::Form BestForm(bool IsSigned, uint64_t Int) {
>        if (IsSigned) {
>          const int64_t SignedInt = Int;
>          if ((char)Int == SignedInt)     return dwarf::DW_FORM_data1;
> @@ -243,13 +245,13 @@ namespace llvm {
>
>      /// EmitValue - Emit integer of appropriate size.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
>
>      uint64_t getValue() const { return Integer; }
>
>      /// SizeOf - Determine size of integer value in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
>
>      // Implement isa/cast/dyncast.
>      static bool classof(const DIEValue *I) { return I->getType() ==
> isInteger; }
> @@ -269,7 +271,7 @@ namespace llvm {
>
>      /// EmitValue - Emit expression value.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
>
>      /// getValue - Get MCExpr.
>      ///
> @@ -277,7 +279,7 @@ namespace llvm {
>
>      /// SizeOf - Determine size of expression value in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
>
>      // Implement isa/cast/dyncast.
>      static bool classof(const DIEValue *E) { return E->getType() ==
> isExpr; }
> @@ -297,7 +299,7 @@ namespace llvm {
>
>      /// EmitValue - Emit label value.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
>
>      /// getValue - Get MCSymbol.
>      ///
> @@ -305,7 +307,7 @@ namespace llvm {
>
>      /// SizeOf - Determine size of label value in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
>
>      // Implement isa/cast/dyncast.
>      static bool classof(const DIEValue *L) { return L->getType() ==
> isLabel; }
> @@ -327,11 +329,11 @@ namespace llvm {
>
>      /// EmitValue - Emit delta value.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
>
>      /// SizeOf - Determine size of delta value in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
>
>      // Implement isa/cast/dyncast.
>      static bool classof(const DIEValue *D) { return D->getType() ==
> isDelta; }
> @@ -357,11 +359,11 @@ namespace llvm {
>
>      /// EmitValue - Emit delta value.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
>
>      /// SizeOf - Determine size of delta value in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
>
>      // Implement isa/cast/dyncast.
>      static bool classof(const DIEValue *D) { return D->getType() ==
> isString; }
> @@ -386,11 +388,11 @@ namespace llvm {
>
>      /// EmitValue - Emit debug information entry offset.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
>
>      /// SizeOf - Determine size of debug information entry in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const {
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
>        return Form == dwarf::DW_FORM_ref_addr ? getRefAddrSize(AP)
>                                               : sizeof(int32_t);
>      }
> @@ -412,9 +414,7 @@ namespace llvm {
>    class DIEBlock : public DIEValue, public DIE {
>      unsigned Size;                // Size in bytes excluding size header.
>    public:
> -    DIEBlock()
> -      : DIEValue(isBlock), DIE(0), Size(0) {}
> -    virtual ~DIEBlock() {}
> +    DIEBlock() : DIEValue(isBlock), DIE(0), Size(0) {}
>
>      /// ComputeSize - calculate the size of the block.
>      ///
> @@ -422,7 +422,7 @@ namespace llvm {
>
>      /// BestForm - Choose the best form for data.
>      ///
> -    uint16_t BestForm() const {
> +    dwarf::Form BestForm() const {
>        if ((unsigned char)Size == Size)  return dwarf::DW_FORM_block1;
>        if ((unsigned short)Size == Size) return dwarf::DW_FORM_block2;
>        if ((unsigned int)Size == Size)   return dwarf::DW_FORM_block4;
> @@ -431,11 +431,11 @@ namespace llvm {
>
>      /// EmitValue - Emit block data.
>      ///
> -    virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
> +    virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
>
>      /// SizeOf - Determine size of block data in bytes.
>      ///
> -    virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
> +    virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
>
>      // Implement isa/cast/dyncast.
>      static bool classof(const DIEValue *E) { return E->getType() ==
> isBlock; }
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=193091&r1=193090&r2=193091&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp Mon Oct 21
> 12:28:37 2013
> @@ -96,7 +96,7 @@ int64_t CompileUnit::getDefaultLowerBoun
>  }
>
>  /// addFlag - Add a flag that is true.
> -void CompileUnit::addFlag(DIE *Die, uint16_t Attribute) {
> +void CompileUnit::addFlag(DIE *Die, dwarf::Attribute Attribute) {
>    if (DD->getDwarfVersion() >= 4)
>      Die->addValue(Attribute, dwarf::DW_FORM_flag_present, DIEIntegerOne);
>    else
> @@ -105,23 +105,32 @@ void CompileUnit::addFlag(DIE *Die, uint
>
>  /// addUInt - Add an unsigned integer attribute data and value.
>  ///
> -void CompileUnit::addUInt(DIE *Die, uint16_t Attribute, uint16_t Form,
> -                          uint64_t Integer) {
> +void CompileUnit::addUInt(DIE *Die, dwarf::Attribute Attribute,
> +                          Optional<dwarf::Form> Form, uint64_t Integer) {
>    if (!Form)
>      Form = DIEInteger::BestForm(false, Integer);
>    DIEValue *Value = Integer == 1 ? DIEIntegerOne : new (DIEValueAllocator)
>                          DIEInteger(Integer);
> -  Die->addValue(Attribute, Form, Value);
> +  Die->addValue(Attribute, *Form, Value);
> +}
> +
> +void CompileUnit::addUInt(DIEBlock *Block, dwarf::Form Form, uint64_t
> Integer) {
> +  addUInt(Block, (dwarf::Attribute)0, Form, Integer);
>  }
>
>  /// addSInt - Add an signed integer attribute data and value.
>  ///
> -void CompileUnit::addSInt(DIE *Die, uint16_t Attribute, uint16_t Form,
> -                          int64_t Integer) {
> +void CompileUnit::addSInt(DIE *Die, dwarf::Attribute Attribute,
> +                          Optional<dwarf::Form> Form, int64_t Integer) {
>    if (!Form)
>      Form = DIEInteger::BestForm(true, Integer);
>    DIEValue *Value = new (DIEValueAllocator) DIEInteger(Integer);
> -  Die->addValue(Attribute, Form, Value);
> +  Die->addValue(Attribute, *Form, Value);
> +}
> +
> +void CompileUnit::addSInt(DIEBlock *Die, Optional<dwarf::Form> Form,
> +                          int64_t Integer) {
> +  addSInt(Die, (dwarf::Attribute)0, Form, Integer);
>  }
>
>  /// addString - Add a string attribute data and value. We always emit a
> @@ -129,9 +138,9 @@ void CompileUnit::addSInt(DIE *Die, uint
>  /// more predictable sizes. In the case of split dwarf we emit an index
>  /// into another table which gets us the static offset into the string
>  /// table.
> -void CompileUnit::addString(DIE *Die, uint16_t Attribute, StringRef
> String) {
> +void CompileUnit::addString(DIE *Die, dwarf::Attribute Attribute,
> StringRef String) {
>    DIEValue *Value;
> -  uint16_t Form;
> +  dwarf::Form Form;
>    if (!DD->useSplitDwarf()) {
>      MCSymbol *Symb = DU->getStringPoolEntry(String);
>      if (Asm->needsRelocationsForDwarfStringPool())
> @@ -152,7 +161,7 @@ void CompileUnit::addString(DIE *Die, ui
>
>  /// addLocalString - Add a string attribute data and value. This is
> guaranteed
>  /// to be in the local string pool instead of indirected.
> -void CompileUnit::addLocalString(DIE *Die, uint16_t Attribute,
> +void CompileUnit::addLocalString(DIE *Die, dwarf::Attribute Attribute,
>                                   StringRef String) {
>    MCSymbol *Symb = DU->getStringPoolEntry(String);
>    DIEValue *Value;
> @@ -167,24 +176,28 @@ void CompileUnit::addLocalString(DIE *Di
>
>  /// addExpr - Add a Dwarf expression attribute data and value.
>  ///
> -void CompileUnit::addExpr(DIE *Die, uint16_t Attribute, uint16_t Form,
> -                          const MCExpr *Expr) {
> +void CompileUnit::addExpr(DIEBlock *Die, dwarf::Form Form, const MCExpr
> *Expr) {
>    DIEValue *Value = new (DIEValueAllocator) DIEExpr(Expr);
> -  Die->addValue(Attribute, Form, Value);
> +  Die->addValue((dwarf::Attribute)0, Form, Value);
>  }
>
>  /// addLabel - Add a Dwarf label attribute data and value.
>  ///
> -void CompileUnit::addLabel(DIE *Die, uint16_t Attribute, uint16_t Form,
> +void CompileUnit::addLabel(DIE *Die, dwarf::Attribute Attribute,
> dwarf::Form Form,
>                             const MCSymbol *Label) {
>    DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
>    Die->addValue(Attribute, Form, Value);
>  }
>
> +void CompileUnit::addLabel(DIEBlock *Die, dwarf::Form Form,
> +                           const MCSymbol *Label) {
> +  addLabel(Die, (dwarf::Attribute)0, Form, Label);
> +}
> +
>  /// addLabelAddress - Add a dwarf label attribute data and value using
>  /// DW_FORM_addr or DW_FORM_GNU_addr_index.
>  ///
> -void CompileUnit::addLabelAddress(DIE *Die, uint16_t Attribute,
> +void CompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
>                                    MCSymbol *Label) {
>    if (Label)
>      DD->addArangeLabel(SymbolCU(this, Label));
> @@ -207,20 +220,20 @@ void CompileUnit::addLabelAddress(DIE *D
>  /// addOpAddress - Add a dwarf op address data and value using the
>  /// form given and an op of either DW_FORM_addr or DW_FORM_GNU_addr_index.
>  ///
> -void CompileUnit::addOpAddress(DIE *Die, const MCSymbol *Sym) {
> +void CompileUnit::addOpAddress(DIEBlock *Die, const MCSymbol *Sym) {
>    DD->addArangeLabel(SymbolCU(this, Sym));
>    if (!DD->useSplitDwarf()) {
> -    addUInt(Die, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
> -    addLabel(Die, 0, dwarf::DW_FORM_udata, Sym);
> +    addUInt(Die, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
> +    addLabel(Die, dwarf::DW_FORM_udata, Sym);
>    } else {
> -    addUInt(Die, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_addr_index);
> -    addUInt(Die, 0, dwarf::DW_FORM_GNU_addr_index,
> DU->getAddrPoolIndex(Sym));
> +    addUInt(Die, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_addr_index);
> +    addUInt(Die, dwarf::DW_FORM_GNU_addr_index,
> DU->getAddrPoolIndex(Sym));
>    }
>  }
>
>  /// addDelta - Add a label delta attribute data and value.
>  ///
> -void CompileUnit::addDelta(DIE *Die, uint16_t Attribute, uint16_t Form,
> +void CompileUnit::addDelta(DIE *Die, dwarf::Attribute Attribute,
> dwarf::Form Form,
>                             const MCSymbol *Hi, const MCSymbol *Lo) {
>    DIEValue *Value = new (DIEValueAllocator) DIEDelta(Hi, Lo);
>    Die->addValue(Attribute, Form, Value);
> @@ -228,14 +241,14 @@ void CompileUnit::addDelta(DIE *Die, uin
>
>  /// addDIEEntry - Add a DIE attribute data and value.
>  ///
> -void CompileUnit::addDIEEntry(DIE *Die, uint16_t Attribute, DIE *Entry) {
> +void CompileUnit::addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIE
> *Entry) {
>    // We currently only use ref4.
>    Die->addValue(Attribute, dwarf::DW_FORM_ref4, createDIEEntry(Entry));
>  }
>
>  /// addBlock - Add block data.
>  ///
> -void CompileUnit::addBlock(DIE *Die, uint16_t Attribute, uint16_t Form,
> +void CompileUnit::addBlock(DIE *Die, dwarf::Attribute Attribute,
>                             DIEBlock *Block) {
>    Block->ComputeSize(Asm);
>    DIEBlocks.push_back(Block); // Memoize so we can call the destructor
> later on.
> @@ -256,8 +269,8 @@ void CompileUnit::addSourceLine(DIE *Die
>        DD->getOrCreateSourceID(V.getContext().getFilename(),
>                                V.getContext().getDirectory(),
> getUniqueID());
>    assert(FileID && "Invalid file id");
> -  addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
> -  addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
> +  addUInt(Die, dwarf::DW_AT_decl_file, None, FileID);
> +  addUInt(Die, dwarf::DW_AT_decl_line, None, Line);
>  }
>
>  /// addSourceLine - Add location information to specified debug
> information
> @@ -273,8 +286,8 @@ void CompileUnit::addSourceLine(DIE *Die
>    unsigned FileID =
>        DD->getOrCreateSourceID(G.getFilename(), G.getDirectory(),
> getUniqueID());
>    assert(FileID && "Invalid file id");
> -  addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
> -  addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
> +  addUInt(Die, dwarf::DW_AT_decl_file, None, FileID);
> +  addUInt(Die, dwarf::DW_AT_decl_line, None, Line);
>  }
>
>  /// addSourceLine - Add location information to specified debug
> information
> @@ -292,8 +305,8 @@ void CompileUnit::addSourceLine(DIE *Die
>    unsigned FileID = DD->getOrCreateSourceID(SP.getFilename(),
> SP.getDirectory(),
>                                              getUniqueID());
>    assert(FileID && "Invalid file id");
> -  addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
> -  addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
> +  addUInt(Die, dwarf::DW_AT_decl_file, None, FileID);
> +  addUInt(Die, dwarf::DW_AT_decl_line, None, Line);
>  }
>
>  /// addSourceLine - Add location information to specified debug
> information
> @@ -309,8 +322,8 @@ void CompileUnit::addSourceLine(DIE *Die
>    unsigned FileID = DD->getOrCreateSourceID(Ty.getFilename(),
> Ty.getDirectory(),
>                                              getUniqueID());
>    assert(FileID && "Invalid file id");
> -  addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
> -  addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
> +  addUInt(Die, dwarf::DW_AT_decl_file, None, FileID);
> +  addUInt(Die, dwarf::DW_AT_decl_line, None, Line);
>  }
>
>  /// addSourceLine - Add location information to specified debug
> information
> @@ -327,8 +340,8 @@ void CompileUnit::addSourceLine(DIE *Die
>    unsigned FileID = DD->getOrCreateSourceID(File.getFilename(),
>                                              File.getDirectory(),
> getUniqueID());
>    assert(FileID && "Invalid file id");
> -  addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
> -  addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
> +  addUInt(Die, dwarf::DW_AT_decl_file, None, FileID);
> +  addUInt(Die, dwarf::DW_AT_decl_line, None, Line);
>  }
>
>  /// addSourceLine - Add location information to specified debug
> information
> @@ -346,8 +359,8 @@ void CompileUnit::addSourceLine(DIE *Die
>    unsigned FileID =
>        DD->getOrCreateSourceID(FN, NS.getDirectory(), getUniqueID());
>    assert(FileID && "Invalid file id");
> -  addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
> -  addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
> +  addUInt(Die, dwarf::DW_AT_decl_file, None, FileID);
> +  addUInt(Die, dwarf::DW_AT_decl_line, None, Line);
>  }
>
>  /// addVariableAddress - Add DW_AT_location attribute for a
> @@ -364,37 +377,38 @@ void CompileUnit::addVariableAddress(con
>  }
>
>  /// addRegisterOp - Add register operand.
> -void CompileUnit::addRegisterOp(DIE *TheDie, unsigned Reg) {
> +void CompileUnit::addRegisterOp(DIEBlock *TheDie, unsigned Reg) {
>    const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo();
>    unsigned DWReg = RI->getDwarfRegNum(Reg, false);
>    if (DWReg < 32)
> -    addUInt(TheDie, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_reg0 + DWReg);
> +    addUInt(TheDie, dwarf::DW_FORM_data1, dwarf::DW_OP_reg0 + DWReg);
>    else {
> -    addUInt(TheDie, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_regx);
> -    addUInt(TheDie, 0, dwarf::DW_FORM_udata, DWReg);
> +    addUInt(TheDie, dwarf::DW_FORM_data1, dwarf::DW_OP_regx);
> +    addUInt(TheDie, dwarf::DW_FORM_udata, DWReg);
>    }
>  }
>
>  /// addRegisterOffset - Add register offset.
> -void CompileUnit::addRegisterOffset(DIE *TheDie, unsigned Reg, int64_t
> Offset) {
> +void CompileUnit::addRegisterOffset(DIEBlock *TheDie, unsigned Reg,
> +                                    int64_t Offset) {
>    const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo();
>    unsigned DWReg = RI->getDwarfRegNum(Reg, false);
>    const TargetRegisterInfo *TRI = Asm->TM.getRegisterInfo();
>    if (Reg == TRI->getFrameRegister(*Asm->MF))
>      // If variable offset is based in frame register then use fbreg.
> -    addUInt(TheDie, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_fbreg);
> +    addUInt(TheDie, dwarf::DW_FORM_data1, dwarf::DW_OP_fbreg);
>    else if (DWReg < 32)
> -    addUInt(TheDie, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_breg0 + DWReg);
> +    addUInt(TheDie, dwarf::DW_FORM_data1, dwarf::DW_OP_breg0 + DWReg);
>    else {
> -    addUInt(TheDie, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_bregx);
> -    addUInt(TheDie, 0, dwarf::DW_FORM_udata, DWReg);
> +    addUInt(TheDie, dwarf::DW_FORM_data1, dwarf::DW_OP_bregx);
> +    addUInt(TheDie, dwarf::DW_FORM_udata, DWReg);
>    }
> -  addSInt(TheDie, 0, dwarf::DW_FORM_sdata, Offset);
> +  addSInt(TheDie, dwarf::DW_FORM_sdata, Offset);
>  }
>
>  /// addAddress - Add an address attribute to a die based on the location
>  /// provided.
> -void CompileUnit::addAddress(DIE *Die, uint16_t Attribute,
> +void CompileUnit::addAddress(DIE *Die, dwarf::Attribute Attribute,
>                               const MachineLocation &Location, bool
> Indirect) {
>    DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
>
> @@ -403,12 +417,12 @@ void CompileUnit::addAddress(DIE *Die, u
>    else {
>      addRegisterOffset(Block, Location.getReg(), Location.getOffset());
>      if (Indirect && !Location.isReg()) {
> -      addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
> +      addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
>      }
>    }
>
>    // Now attach the location information to the DIE.
> -  addBlock(Die, Attribute, 0, Block);
> +  addBlock(Die, Attribute, Block);
>  }
>
>  /// addComplexAddress - Start with the address based on the location
> provided,
> @@ -417,7 +431,7 @@ void CompileUnit::addAddress(DIE *Die, u
>  /// the starting location.  Add the DWARF information to the die.
>  ///
>  void CompileUnit::addComplexAddress(const DbgVariable &DV, DIE *Die,
> -                                    uint16_t Attribute,
> +                                    dwarf::Attribute Attribute,
>                                      const MachineLocation &Location) {
>    DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
>    unsigned N = DV.getNumAddrElements();
> @@ -436,17 +450,17 @@ void CompileUnit::addComplexAddress(cons
>    for (; i < N; ++i) {
>      uint64_t Element = DV.getAddrElement(i);
>      if (Element == DIBuilder::OpPlus) {
> -      addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
> -      addUInt(Block, 0, dwarf::DW_FORM_udata, DV.getAddrElement(++i));
> +      addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
> +      addUInt(Block, dwarf::DW_FORM_udata, DV.getAddrElement(++i));
>      } else if (Element == DIBuilder::OpDeref) {
>        if (!Location.isReg())
> -        addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
> +        addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
>      } else
>        llvm_unreachable("unknown DIBuilder Opcode");
>    }
>
>    // Now attach the location information to the DIE.
> -  addBlock(Die, Attribute, 0, Block);
> +  addBlock(Die, Attribute, Block);
>  }
>
>  /* Byref variables, in Blocks, are declared by the programmer as "SomeType
> @@ -510,7 +524,7 @@ void CompileUnit::addComplexAddress(cons
>  /// more information, read large comment just above here.
>  ///
>  void CompileUnit::addBlockByrefAddress(const DbgVariable &DV, DIE *Die,
> -                                       uint16_t Attribute,
> +                                       dwarf::Attribute Attribute,
>                                         const MachineLocation &Location) {
>    DIType Ty = DV.getType();
>    DIType TmpTy = Ty;
> @@ -560,30 +574,30 @@ void CompileUnit::addBlockByrefAddress(c
>    // If we started with a pointer to the __Block_byref... struct, then
>    // the first thing we need to do is dereference the pointer
> (DW_OP_deref).
>    if (isPointer)
> -    addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
> +    addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
>
>    // Next add the offset for the '__forwarding' field:
>    // DW_OP_plus_uconst ForwardingFieldOffset.  Note there's no point in
>    // adding the offset if it's 0.
>    if (forwardingFieldOffset > 0) {
> -    addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
> -    addUInt(Block, 0, dwarf::DW_FORM_udata, forwardingFieldOffset);
> +    addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
> +    addUInt(Block, dwarf::DW_FORM_udata, forwardingFieldOffset);
>    }
>
>    // Now dereference the __forwarding field to get to the real
> __Block_byref
>    // struct:  DW_OP_deref.
> -  addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
> +  addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
>
>    // Now that we've got the real __Block_byref... struct, add the offset
>    // for the variable's field to get to the location of the actual
> variable:
>    // DW_OP_plus_uconst varFieldOffset.  Again, don't add if it's 0.
>    if (varFieldOffset > 0) {
> -    addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
> -    addUInt(Block, 0, dwarf::DW_FORM_udata, varFieldOffset);
> +    addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
> +    addUInt(Block, dwarf::DW_FORM_udata, varFieldOffset);
>    }
>
>    // Now attach the location information to the DIE.
> -  addBlock(Die, Attribute, 0, Block);
> +  addBlock(Die, Attribute, Block);
>  }
>
>  /// isTypeSigned - Return true if the type is signed.
> @@ -654,7 +668,7 @@ void CompileUnit::addConstantValue(DIE *
>    assert(MO.isImm() && "Invalid machine operand!");
>    int SizeInBits = -1;
>    bool SignedConstant = isTypeSigned(DD, Ty, &SizeInBits);
> -  uint16_t Form;
> +  dwarf::Form Form;
>
>    // If we're a signed constant definitely use sdata.
>    if (SignedConstant) {
> @@ -702,10 +716,10 @@ void CompileUnit::addConstantFPValue(DIE
>
>    // Output the constant to DWARF one byte at a time.
>    for (; Start != Stop; Start += Incr)
> -    addUInt(Block, 0, dwarf::DW_FORM_data1,
> +    addUInt(Block, dwarf::DW_FORM_data1,
>              (unsigned char)0xFF & FltPtr[Start]);
>
> -  addBlock(Die, dwarf::DW_AT_const_value, 0, Block);
> +  addBlock(Die, dwarf::DW_AT_const_value, Block);
>  }
>
>  /// addConstantFPValue - Add constant value entry in variable DIE.
> @@ -732,7 +746,7 @@ void CompileUnit::addConstantValue(DIE *
>      }
>
>      // Else use data for now unless it's larger than we can deal with.
> -    uint16_t Form;
> +    dwarf::Form Form;
>      switch (CIBitWidth) {
>      case 8:
>        Form = dwarf::DW_FORM_data1;
> @@ -770,10 +784,10 @@ void CompileUnit::addConstantValue(DIE *
>        c = Ptr64[i / 8] >> (8 * (i & 7));
>      else
>        c = Ptr64[(NumBytes - 1 - i) / 8] >> (8 * ((NumBytes - 1 - i) & 7));
> -    addUInt(Block, 0, dwarf::DW_FORM_data1, c);
> +    addUInt(Block, dwarf::DW_FORM_data1, c);
>    }
>
> -  addBlock(Die, dwarf::DW_AT_const_value, 0, Block);
> +  addBlock(Die, dwarf::DW_AT_const_value, Block);
>  }
>
>  /// addTemplateParams - Add template parameters into buffer.
> @@ -857,7 +871,7 @@ DIE *CompileUnit::getOrCreateTypeDIE(con
>  }
>
>  /// addType - Add a new type attribute to the specified entity.
> -void CompileUnit::addType(DIE *Entity, DIType Ty, uint16_t Attribute) {
> +void CompileUnit::addType(DIE *Entity, DIType Ty, dwarf::Attribute
> Attribute) {
>    assert(Ty && "Trying to add a type that doesn't exist?");
>
>    // Check for pre-existence.
> @@ -1001,7 +1015,7 @@ void CompileUnit::constructTypeDIE(DIE &
>            BTy.getEncoding());
>
>    uint64_t Size = BTy.getSizeInBits() >> 3;
> -  addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
> +  addUInt(&Buffer, dwarf::DW_AT_byte_size, None, Size);
>  }
>
>  /// constructTypeDIE - Construct derived type die from DIDerivedType.
> @@ -1022,7 +1036,7 @@ void CompileUnit::constructTypeDIE(DIE &
>
>    // Add size if non-zero (derived types might be zero-sized.)
>    if (Size && Tag != dwarf::DW_TAG_pointer_type)
> -    addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
> +    addUInt(&Buffer, dwarf::DW_AT_byte_size, None, Size);
>
>    if (Tag == dwarf::DW_TAG_ptr_to_member_type)
>      addDIEEntry(&Buffer, dwarf::DW_AT_containing_type,
> @@ -1182,7 +1196,7 @@ void CompileUnit::constructTypeDIE(DIE &
>          if (Property.isNonAtomicObjCProperty())
>            PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_nonatomic;
>          if (PropertyAttributes)
> -          addUInt(ElemDie, dwarf::DW_AT_APPLE_property_attribute, 0,
> +          addUInt(ElemDie, dwarf::DW_AT_APPLE_property_attribute, None,
>                    PropertyAttributes);
>
>          DIEEntry *Entry = getDIEEntry(Element);
> @@ -1228,10 +1242,10 @@ void CompileUnit::constructTypeDIE(DIE &
>      // Add size if non-zero (derived types might be zero-sized.)
>      // TODO: Do we care about size for enum forward declarations?
>      if (Size)
> -      addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
> +      addUInt(&Buffer, dwarf::DW_AT_byte_size, None, Size);
>      else if (!CTy.isForwardDecl())
>        // Add zero size if it is not a forward declaration.
> -      addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, 0);
> +      addUInt(&Buffer, dwarf::DW_AT_byte_size, None, 0);
>
>      // If we're a forward decl, say so.
>      if (CTy.isForwardDecl())
> @@ -1301,8 +1315,8 @@ CompileUnit::getOrCreateTemplateValuePar
>        addOpAddress(Block, Asm->Mang->getSymbol(GV));
>        // Emit DW_OP_stack_value to use the address as the immediate value
> of the
>        // parameter, rather than a pointer to it.
> -      addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_stack_value);
> -      addBlock(ParamDIE, dwarf::DW_AT_location, 0, Block);
> +      addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_stack_value);
> +      addBlock(ParamDIE, dwarf::DW_AT_location, Block);
>      } else if (VP.getTag() == dwarf::DW_TAG_GNU_template_template_param) {
>        assert(isa<MDString>(Val));
>        addString(ParamDIE, dwarf::DW_AT_GNU_template_name,
> @@ -1410,9 +1424,9 @@ DIE *CompileUnit::getOrCreateSubprogramD
>    if (VK) {
>      addUInt(SPDie, dwarf::DW_AT_virtuality, dwarf::DW_FORM_data1, VK);
>      DIEBlock *Block = getDIEBlock();
> -    addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
> -    addUInt(Block, 0, dwarf::DW_FORM_udata, SP.getVirtualIndex());
> -    addBlock(SPDie, dwarf::DW_AT_vtable_elem_location, 0, Block);
> +    addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
> +    addUInt(Block, dwarf::DW_FORM_udata, SP.getVirtualIndex());
> +    addBlock(SPDie, dwarf::DW_AT_vtable_elem_location, Block);
>      ContainingTypeMap.insert(std::make_pair(SPDie,
>
>  resolve(SP.getContainingType())));
>    }
> @@ -1539,18 +1553,17 @@ void CompileUnit::createGlobalVariableDI
>        // Based on GCC's support for TLS:
>        if (!DD->useSplitDwarf()) {
>          // 1) Start with a constNu of the appropriate pointer size
> -        addUInt(Block, 0, dwarf::DW_FORM_data1,
> +        addUInt(Block, dwarf::DW_FORM_data1,
>                  PointerSize == 4 ? dwarf::DW_OP_const4u :
> dwarf::DW_OP_const8u);
>          // 2) containing the (relocated) offset of the TLS variable
>          //    within the module's TLS block.
> -        addExpr(Block, 0, dwarf::DW_FORM_udata, Expr);
> +        addExpr(Block, dwarf::DW_FORM_udata, Expr);
>        } else {
> -        addUInt(Block, 0, dwarf::DW_FORM_data1,
> dwarf::DW_OP_GNU_const_index);
> -        addUInt(Block, 0, dwarf::DW_FORM_udata,
> DU->getAddrPoolIndex(Expr));
> +        addUInt(Block, dwarf::DW_FORM_data1,
> dwarf::DW_OP_GNU_const_index);
> +        addUInt(Block, dwarf::DW_FORM_udata, DU->getAddrPoolIndex(Expr));
>        }
>        // 3) followed by a custom OP to make the debugger do a TLS lookup.
> -      addUInt(Block, 0, dwarf::DW_FORM_data1,
> -              dwarf::DW_OP_GNU_push_tls_address);
> +      addUInt(Block, dwarf::DW_FORM_data1,
> dwarf::DW_OP_GNU_push_tls_address);
>      } else
>        addOpAddress(Block, Sym);
>      // Do not create specification DIE if context is either compile unit
> @@ -1560,13 +1573,13 @@ void CompileUnit::createGlobalVariableDI
>        // Create specification DIE.
>        VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
>        addDIEEntry(VariableSpecDIE, dwarf::DW_AT_specification,
> VariableDIE);
> -      addBlock(VariableSpecDIE, dwarf::DW_AT_location, 0, Block);
> +      addBlock(VariableSpecDIE, dwarf::DW_AT_location, Block);
>        // A static member's declaration is already flagged as such.
>        if (!SDMDecl.Verify())
>          addFlag(VariableDIE, dwarf::DW_AT_declaration);
>        addDie(VariableSpecDIE);
>      } else {
> -      addBlock(VariableDIE, dwarf::DW_AT_location, 0, Block);
> +      addBlock(VariableDIE, dwarf::DW_AT_location, Block);
>      }
>      // Add the linkage name.
>      StringRef LinkageName = GV.getLinkageName();
> @@ -1591,12 +1604,12 @@ void CompileUnit::createGlobalVariableDI
>      DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
>      Value *Ptr = CE->getOperand(0);
>      addOpAddress(Block, Asm->Mang->getSymbol(cast<GlobalValue>(Ptr)));
> -    addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
> +    addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
>      SmallVector<Value *, 3> Idx(CE->op_begin() + 1, CE->op_end());
> -    addUInt(Block, 0, dwarf::DW_FORM_udata,
> +    addUInt(Block, dwarf::DW_FORM_udata,
>              Asm->getDataLayout().getIndexedOffset(Ptr->getType(), Idx));
> -    addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_plus);
> -    addBlock(VariableDIE, dwarf::DW_AT_location, 0, Block);
> +    addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_plus);
> +    addBlock(VariableDIE, dwarf::DW_AT_location, Block);
>    }
>
>    if (addToAccelTable) {
> @@ -1631,12 +1644,12 @@ void CompileUnit::constructSubrangeDIE(D
>    int64_t Count = SR.getCount();
>
>    if (DefaultLowerBound == -1 || LowerBound != DefaultLowerBound)
> -    addUInt(DW_Subrange, dwarf::DW_AT_lower_bound, 0, LowerBound);
> +    addUInt(DW_Subrange, dwarf::DW_AT_lower_bound, None, LowerBound);
>
>    if (Count != -1 && Count != 0)
>      // FIXME: An unbounded array should reference the expression that
> defines
>      // the array.
> -    addUInt(DW_Subrange, dwarf::DW_AT_upper_bound, 0, LowerBound + Count
> - 1);
> +    addUInt(DW_Subrange, dwarf::DW_AT_upper_bound, None, LowerBound +
> Count - 1);
>
>    Buffer.addChild(DW_Subrange);
>  }
> @@ -1657,7 +1670,7 @@ void CompileUnit::constructArrayTypeDIE(
>      // Construct an anonymous type for index type.
>      IdxTy = new DIE(dwarf::DW_TAG_base_type);
>      addString(IdxTy, dwarf::DW_AT_name, "int");
> -    addUInt(IdxTy, dwarf::DW_AT_byte_size, 0, sizeof(int32_t));
> +    addUInt(IdxTy, dwarf::DW_AT_byte_size, None, sizeof(int32_t));
>      addUInt(IdxTy, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
>              dwarf::DW_ATE_signed);
>      addDie(IdxTy);
> @@ -1787,15 +1800,16 @@ DIE *CompileUnit::createMemberDIE(DIDeri
>    addSourceLine(MemberDie, DT);
>
>    DIEBlock *MemLocationDie = new (DIEValueAllocator) DIEBlock();
> -  addUInt(MemLocationDie, 0, dwarf::DW_FORM_data1,
> dwarf::DW_OP_plus_uconst);
> +  addUInt(MemLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
>
>    uint64_t Size = DT.getSizeInBits();
>    uint64_t FieldSize = getBaseTypeSize(DD, DT);
>
>    if (Size != FieldSize) {
>      // Handle bitfield.
> -    addUInt(MemberDie, dwarf::DW_AT_byte_size, 0, getBaseTypeSize(DD, DT)
> >> 3);
> -    addUInt(MemberDie, dwarf::DW_AT_bit_size, 0, DT.getSizeInBits());
> +    addUInt(MemberDie, dwarf::DW_AT_byte_size, None,
> +            getBaseTypeSize(DD, DT) >> 3);
> +    addUInt(MemberDie, dwarf::DW_AT_bit_size, None, DT.getSizeInBits());
>
>      uint64_t Offset = DT.getOffsetInBits();
>      uint64_t AlignMask = ~(DT.getAlignInBits() - 1);
> @@ -1806,15 +1820,15 @@ DIE *CompileUnit::createMemberDIE(DIDeri
>      // Maybe we need to work from the other end.
>      if (Asm->getDataLayout().isLittleEndian())
>        Offset = FieldSize - (Offset + Size);
> -    addUInt(MemberDie, dwarf::DW_AT_bit_offset, 0, Offset);
> +    addUInt(MemberDie, dwarf::DW_AT_bit_offset, None, Offset);
>
>      // Here WD_AT_data_member_location points to the anonymous
>      // field that includes this bit field.
> -    addUInt(MemLocationDie, 0, dwarf::DW_FORM_udata, FieldOffset >> 3);
> +    addUInt(MemLocationDie, dwarf::DW_FORM_udata, FieldOffset >> 3);
>
>    } else
>      // This is not a bitfield.
> -    addUInt(MemLocationDie, 0, dwarf::DW_FORM_udata, DT.getOffsetInBits()
> >> 3);
> +    addUInt(MemLocationDie, dwarf::DW_FORM_udata, DT.getOffsetInBits() >>
> 3);
>
>    if (DT.getTag() == dwarf::DW_TAG_inheritance && DT.isVirtual()) {
>
> @@ -1823,17 +1837,17 @@ DIE *CompileUnit::createMemberDIE(DIDeri
>      // BaseAddr = ObAddr + *((*ObAddr) - Offset)
>
>      DIEBlock *VBaseLocationDie = new (DIEValueAllocator) DIEBlock();
> -    addUInt(VBaseLocationDie, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_dup);
> -    addUInt(VBaseLocationDie, 0, dwarf::DW_FORM_data1,
> dwarf::DW_OP_deref);
> -    addUInt(VBaseLocationDie, 0, dwarf::DW_FORM_data1,
> dwarf::DW_OP_constu);
> -    addUInt(VBaseLocationDie, 0, dwarf::DW_FORM_udata,
> DT.getOffsetInBits());
> -    addUInt(VBaseLocationDie, 0, dwarf::DW_FORM_data1,
> dwarf::DW_OP_minus);
> -    addUInt(VBaseLocationDie, 0, dwarf::DW_FORM_data1,
> dwarf::DW_OP_deref);
> -    addUInt(VBaseLocationDie, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_plus);
> +    addUInt(VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_dup);
> +    addUInt(VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
> +    addUInt(VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
> +    addUInt(VBaseLocationDie, dwarf::DW_FORM_udata, DT.getOffsetInBits());
> +    addUInt(VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_minus);
> +    addUInt(VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
> +    addUInt(VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_plus);
>
> -    addBlock(MemberDie, dwarf::DW_AT_data_member_location, 0,
> VBaseLocationDie);
> +    addBlock(MemberDie, dwarf::DW_AT_data_member_location,
> VBaseLocationDie);
>    } else
> -    addBlock(MemberDie, dwarf::DW_AT_data_member_location, 0,
> MemLocationDie);
> +    addBlock(MemberDie, dwarf::DW_AT_data_member_location,
> MemLocationDie);
>
>    if (DT.isProtected())
>      addUInt(MemberDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h?rev=193091&r1=193090&r2=193091&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h Mon Oct 21
> 12:28:37 2013
> @@ -17,6 +17,7 @@
>  #include "DIE.h"
>  #include "DwarfDebug.h"
>  #include "llvm/ADT/DenseMap.h"
> +#include "llvm/ADT/Optional.h"
>  #include "llvm/ADT/OwningPtr.h"
>  #include "llvm/ADT/StringMap.h"
>  #include "llvm/DebugInfo.h"
> @@ -166,56 +167,63 @@ public:
>    void addDie(DIE *Buffer) { CUDie->addChild(Buffer); }
>
>    /// addFlag - Add a flag that is true to the DIE.
> -  void addFlag(DIE *Die, uint16_t Attribute);
> +  void addFlag(DIE *Die, dwarf::Attribute Attribute);
>
>    /// addUInt - Add an unsigned integer attribute data and value.
>    ///
> -  void addUInt(DIE *Die, uint16_t Attribute, uint16_t Form, uint64_t
> Integer);
> +  void addUInt(DIE *Die, dwarf::Attribute Attribute,
> Optional<dwarf::Form> Form,
> +               uint64_t Integer);
> +
> +  void addUInt(DIEBlock *Block, dwarf::Form Form, uint64_t Integer);
>
>    /// addSInt - Add an signed integer attribute data and value.
>    ///
> -  void addSInt(DIE *Die, uint16_t Attribute, uint16_t Form, int64_t
> Integer);
> +  void addSInt(DIE *Die, dwarf::Attribute Attribute,
> Optional<dwarf::Form> Form,
> +               int64_t Integer);
> +
> +  void addSInt(DIEBlock *Die, Optional<dwarf::Form> Form, int64_t
> Integer);
>
>    /// addString - Add a string attribute data and value.
>    ///
> -  void addString(DIE *Die, uint16_t Attribute, const StringRef Str);
> +  void addString(DIE *Die, dwarf::Attribute Attribute, const StringRef
> Str);
>
>    /// addLocalString - Add a string attribute data and value.
>    ///
> -  void addLocalString(DIE *Die, uint16_t Attribute, const StringRef Str);
> +  void addLocalString(DIE *Die, dwarf::Attribute Attribute, const
> StringRef Str);
>
>    /// addExpr - Add a Dwarf expression attribute data and value.
>    ///
> -  void addExpr(DIE *Die, uint16_t Attribute, uint16_t Form, const MCExpr
> *Expr);
> +  void addExpr(DIEBlock *Die, dwarf::Form Form, const MCExpr *Expr);
>
>    /// addLabel - Add a Dwarf label attribute data and value.
>    ///
> -  void addLabel(DIE *Die, uint16_t Attribute, uint16_t Form,
> +  void addLabel(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form,
>                  const MCSymbol *Label);
>
> +  void addLabel(DIEBlock *Die, dwarf::Form Form, const MCSymbol *Label);
> +
>    /// addLabelAddress - Add a dwarf label attribute data and value using
>    /// either DW_FORM_addr or DW_FORM_GNU_addr_index.
>    ///
> -  void addLabelAddress(DIE *Die, uint16_t Attribute, MCSymbol *Label);
> +  void addLabelAddress(DIE *Die, dwarf::Attribute Attribute, MCSymbol
> *Label);
>
>    /// addOpAddress - Add a dwarf op address data and value using the
>    /// form given and an op of either DW_FORM_addr or
> DW_FORM_GNU_addr_index.
>    ///
> -  void addOpAddress(DIE *Die, const MCSymbol *Label);
> -  void addOpAddress(DIE *Die, const MCSymbolRefExpr *Label);
> +  void addOpAddress(DIEBlock *Die, const MCSymbol *Label);
>
>    /// addDelta - Add a label delta attribute data and value.
>    ///
> -  void addDelta(DIE *Die, uint16_t Attribute, uint16_t Form, const
> MCSymbol *Hi,
> +  void addDelta(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form,
> const MCSymbol *Hi,
>                  const MCSymbol *Lo);
>
>    /// addDIEEntry - Add a DIE attribute data and value.
>    ///
> -  void addDIEEntry(DIE *Die, uint16_t Attribute, DIE *Entry);
> +  void addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIE *Entry);
>
>    /// addBlock - Add block data.
>    ///
> -  void addBlock(DIE *Die, uint16_t Attribute, uint16_t Form, DIEBlock
> *Block);
> +  void addBlock(DIE *Die, dwarf::Attribute Attribute, DIEBlock *Block);
>
>    /// addSourceLine - Add location information to specified debug
> information
>    /// entry.
> @@ -228,7 +236,7 @@ public:
>
>    /// addAddress - Add an address attribute to a die based on the location
>    /// provided.
> -  void addAddress(DIE *Die, uint16_t Attribute, const MachineLocation
> &Location,
> +  void addAddress(DIE *Die, dwarf::Attribute Attribute, const
> MachineLocation &Location,
>                    bool Indirect = false);
>
>    /// addConstantValue - Add constant value entry in variable DIE.
> @@ -244,17 +252,17 @@ public:
>    void addTemplateParams(DIE &Buffer, DIArray TParams);
>
>    /// addRegisterOp - Add register operand.
> -  void addRegisterOp(DIE *TheDie, unsigned Reg);
> +  void addRegisterOp(DIEBlock *TheDie, unsigned Reg);
>
>    /// addRegisterOffset - Add register offset.
> -  void addRegisterOffset(DIE *TheDie, unsigned Reg, int64_t Offset);
> +  void addRegisterOffset(DIEBlock *TheDie, unsigned Reg, int64_t Offset);
>
>    /// addComplexAddress - Start with the address based on the location
> provided,
>    /// and generate the DWARF information necessary to find the actual
> variable
>    /// (navigating the extra location information encoded in the type)
> based on
>    /// the starting location.  Add the DWARF information to the die.
>    ///
> -  void addComplexAddress(const DbgVariable &DV, DIE *Die, uint16_t
> Attribute,
> +  void addComplexAddress(const DbgVariable &DV, DIE *Die,
> dwarf::Attribute Attribute,
>                           const MachineLocation &Location);
>
>    // FIXME: Should be reformulated in terms of addComplexAddress.
> @@ -264,7 +272,7 @@ public:
>    /// starting location.  Add the DWARF information to the die.  Obsolete,
>    /// please use addComplexAddress instead.
>    ///
> -  void addBlockByrefAddress(const DbgVariable &DV, DIE *Die, uint16_t
> Attribute,
> +  void addBlockByrefAddress(const DbgVariable &DV, DIE *Die,
> dwarf::Attribute Attribute,
>                              const MachineLocation &Location);
>
>    /// addVariableAddress - Add DW_AT_location attribute for a
> @@ -278,7 +286,7 @@ public:
>    /// addType - Add a new type attribute to the specified entity. This
> takes
>    /// and attribute parameter because DW_AT_friend attributes are also
>    /// type references.
> -  void addType(DIE *Entity, DIType Ty, uint16_t Attribute =
> dwarf::DW_AT_type);
> +  void addType(DIE *Entity, DIType Ty, dwarf::Attribute Attribute =
> dwarf::DW_AT_type);
>
>    /// getOrCreateNameSpace - Create a DIE for DINameSpace.
>    DIE *getOrCreateNameSpace(DINameSpace NS);
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=193091&r1=193090&r2=193091&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Mon Oct 21 12:28:37
> 2013
> @@ -558,10 +558,10 @@ DIE *DwarfDebug::constructInlinedScopeDI
>
>    // Add the call site information to the DIE.
>    DILocation DL(Scope->getInlinedAt());
> -  TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_file, 0,
> +  TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_file, None,
>                   getOrCreateSourceID(DL.getFilename(), DL.getDirectory(),
>                                       TheCU->getUniqueID()));
> -  TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_line, 0, DL.getLineNumber());
> +  TheCU->addUInt(ScopeDIE, dwarf::DW_AT_call_line, None,
> DL.getLineNumber());
>
>    // Add name to the name table, we do this here because we're guaranteed
>    // to have concrete versions of our DW_TAG_inlined_subprogram nodes.
> @@ -886,8 +886,8 @@ void DwarfDebug::constructImportedEntity
>    unsigned FileID = getOrCreateSourceID(Module.getContext().getFilename(),
>
>  Module.getContext().getDirectory(),
>                                          TheCU->getUniqueID());
> -  TheCU->addUInt(IMDie, dwarf::DW_AT_decl_file, 0, FileID);
> -  TheCU->addUInt(IMDie, dwarf::DW_AT_decl_line, 0,
> Module.getLineNumber());
> +  TheCU->addUInt(IMDie, dwarf::DW_AT_decl_file, None, FileID);
> +  TheCU->addUInt(IMDie, dwarf::DW_AT_decl_line, None,
> Module.getLineNumber());
>    TheCU->addDIEEntry(IMDie, dwarf::DW_AT_import, EntityDie);
>    StringRef Name = Module.getName();
>    if (!Name.empty())
> @@ -955,14 +955,14 @@ void DwarfDebug::computeInlinedDIEs() {
>    for (SmallPtrSet<DIE *, 4>::iterator AI = InlinedSubprogramDIEs.begin(),
>           AE = InlinedSubprogramDIEs.end(); AI != AE; ++AI) {
>      DIE *ISP = *AI;
> -    FirstCU->addUInt(ISP, dwarf::DW_AT_inline, 0, dwarf::DW_INL_inlined);
> +    FirstCU->addUInt(ISP, dwarf::DW_AT_inline, None,
> dwarf::DW_INL_inlined);
>    }
>    for (DenseMap<const MDNode *, DIE *>::iterator AI =
> AbstractSPDies.begin(),
>           AE = AbstractSPDies.end(); AI != AE; ++AI) {
>      DIE *ISP = AI->second;
>      if (InlinedSubprogramDIEs.count(ISP))
>        continue;
> -    FirstCU->addUInt(ISP, dwarf::DW_AT_inline, 0, dwarf::DW_INL_inlined);
> +    FirstCU->addUInt(ISP, dwarf::DW_AT_inline, None,
> dwarf::DW_INL_inlined);
>    }
>  }
>
> @@ -2047,8 +2047,8 @@ void DwarfDebug::emitDIE(DIE *Die, std::
>
>    // Emit the DIE attribute values.
>    for (unsigned i = 0, N = Values.size(); i < N; ++i) {
> -    unsigned Attr = AbbrevData[i].getAttribute();
> -    unsigned Form = AbbrevData[i].getForm();
> +    dwarf::Attribute Attr = AbbrevData[i].getAttribute();
> +    dwarf::Form Form = AbbrevData[i].getForm();
>      assert(Form && "Too many attributes for DIE (check abbreviation)");
>
>      if (Asm->isVerbose())
>
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>



-- 
Alexey Samsonov, MSK
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