[llvm] r235050 - DebugInfo: Remove 'inlinedAt:' field from MDLocalVariable

David Blaikie dblaikie at gmail.com
Thu Apr 16 11:41:55 PDT 2015


(from IRC discussion)

Looks like this might've caused the GDB buildbot regression seen here:
http://lab.llvm.org:8011/builders/clang-x86_64-ubuntu-gdb-75/builds/21390

Specifically, in the below program

int *g;

static __attribute__((always_inline)) int f(int a) {
  int l;
  g = &l;
  return a;
}

int main(void) {
  f(0);
  f(0);
  return 0;
}

The inlined_subroutine for 'f' in 'main' has no DW_TAG_formal_parameter
(for 'a')

(though this patch didn't regress the behavior, it's interesting to note
that there's only one inlined_subroutine in main, even though there are two
calls to 'f'... )

On Wed, Apr 15, 2015 at 3:29 PM, Duncan P. N. Exon Smith <
dexonsmith at apple.com> wrote:

> Author: dexonsmith
> Date: Wed Apr 15 17:29:27 2015
> New Revision: 235050
>
> URL: http://llvm.org/viewvc/llvm-project?rev=235050&view=rev
> Log:
> DebugInfo: Remove 'inlinedAt:' field from MDLocalVariable
>
> Remove 'inlinedAt:' from MDLocalVariable.  Besides saving some memory
> (variables with it seem to be single largest `Metadata` contributer to
> memory usage right now in -g -flto builds), this stops optimization and
> backend passes from having to change local variables.
>
> The 'inlinedAt:' field was used by the backend in two ways:
>
>  1. To tell the backend whether and into what a variable was inlined.
>  2. To create a unique id for each inlined variable.
>
> Instead, rely on the 'inlinedAt:' field of the intrinsic's `!dbg`
> attachment, and change the DWARF backend to use a typedef called
> `InlinedVariable` which is `std::pair<MDLocalVariable*, MDLocation*>`.
> This `DebugLoc` is already passed reliably through the backend (as
> verified by r234021).
>
> This commit removes the check from r234021, but I added a new check
> (that will survive) in r235048, and changed the `DIBuilder` API in
> r235041 to require a `!dbg` attachment whose 'scope:` is in the same
> `MDSubprogram` as the variable's.
>
> If this breaks your out-of-tree testcases, perhaps the script I used
> (mdlocalvariable-drop-inlinedat.sh) will help; I'll attach it to PR22778
> in a moment.
>
> Modified:
>     llvm/trunk/docs/LangRef.rst
>     llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h
>     llvm/trunk/include/llvm/IR/DebugInfo.h
>     llvm/trunk/include/llvm/IR/DebugInfoMetadata.h
>     llvm/trunk/lib/AsmParser/LLParser.cpp
>     llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
>     llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
>     llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp
>     llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h
>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
>     llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp
>     llvm/trunk/lib/CodeGen/MachineInstr.cpp
>     llvm/trunk/lib/IR/AsmWriter.cpp
>     llvm/trunk/lib/IR/DebugInfo.cpp
>     llvm/trunk/lib/IR/DebugInfoMetadata.cpp
>     llvm/trunk/lib/IR/LLVMContextImpl.h
>     llvm/trunk/lib/IR/Verifier.cpp
>     llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp
>     llvm/trunk/test/Assembler/mdlocalvariable.ll
>     llvm/trunk/test/CodeGen/ARM/debug-info-d16-reg.ll
>     llvm/trunk/test/CodeGen/ARM/debug-info-s16-reg.ll
>     llvm/trunk/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll
>     llvm/trunk/test/CodeGen/X86/stack-protector-dbginfo.ll
>     llvm/trunk/test/DebugInfo/2010-05-03-OriginDIE.ll
>     llvm/trunk/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll
>     llvm/trunk/test/DebugInfo/AArch64/cfi-eof-prologue.ll
>     llvm/trunk/test/DebugInfo/AArch64/frameindices.ll
>     llvm/trunk/test/DebugInfo/ARM/cfi-eof-prologue.ll
>     llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll
>     llvm/trunk/test/DebugInfo/PR20038.ll
>     llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll
>     llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
>     llvm/trunk/test/DebugInfo/X86/debug-ranges-offset.ll
>     llvm/trunk/test/DebugInfo/X86/inline-member-function.ll
>     llvm/trunk/test/DebugInfo/X86/inline-seldag-test.ll
>     llvm/trunk/test/DebugInfo/X86/mi-print.ll
>     llvm/trunk/test/DebugInfo/X86/nodebug_with_debug_loc.ll
>     llvm/trunk/test/DebugInfo/X86/nophysreg.ll
>     llvm/trunk/test/DebugInfo/X86/recursive_inlining.ll
>     llvm/trunk/test/DebugInfo/cross-cu-inlining.ll
>     llvm/trunk/test/DebugInfo/inline-scopes.ll
>     llvm/trunk/test/DebugInfo/inlined-arguments.ll
>     llvm/trunk/test/DebugInfo/inlined-vars.ll
>     llvm/trunk/test/DebugInfo/missing-abstract-variable.ll
>     llvm/trunk/test/DebugInfo/namespace_inline_function_definition.ll
>     llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll
>     llvm/trunk/test/Transforms/Inline/inline_dbg_declare.ll
>     llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
>     llvm/trunk/unittests/IR/MetadataTest.cpp
>
> Modified: llvm/trunk/docs/LangRef.rst
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.rst?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/docs/LangRef.rst (original)
> +++ llvm/trunk/docs/LangRef.rst Wed Apr 15 17:29:27 2015
> @@ -3235,21 +3235,15 @@ arguments (``DW_TAG_arg_variable``).  In
>  specifies the argument position, and this variable will be included in the
>  ``variables:`` field of its :ref:`MDSubprogram`.
>
> -If set, the ``inlinedAt:`` field points at an :ref:`MDLocation`, and the
> -variable represents an inlined version of a variable (with all other
> fields
> -duplicated from the non-inlined version).
> -
>  .. code-block:: llvm
>
>      !0 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 0,
>                            scope: !3, file: !2, line: 7, type: !3,
> -                          flags: DIFlagArtificial, inlinedAt: !4)
> +                          flags: DIFlagArtificial)
>      !1 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", arg: 1,
> -                          scope: !4, file: !2, line: 7, type: !3,
> -                          inlinedAt: !6)
> +                          scope: !4, file: !2, line: 7, type: !3)
>      !1 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "y",
> -                          scope: !5, file: !2, line: 7, type: !3,
> -                          inlinedAt: !6)
> +                          scope: !5, file: !2, line: 7, type: !3)
>
>  MDExpression
>  """"""""""""
>
> Modified: llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h (original)
> +++ llvm/trunk/include/llvm/CodeGen/MachineModuleInfo.h Wed Apr 15
> 17:29:27 2015
> @@ -184,12 +184,13 @@ public:
>    static char ID; // Pass identification, replacement for typeid
>
>    struct VariableDbgInfo {
> -    TrackingMDNodeRef Var;
> -    TrackingMDNodeRef Expr;
> +    const MDLocalVariable *Var;
> +    const MDExpression *Expr;
>      unsigned Slot;
> -    DebugLoc Loc;
> +    const MDLocation *Loc;
>
> -    VariableDbgInfo(MDNode *Var, MDNode *Expr, unsigned Slot, DebugLoc
> Loc)
> +    VariableDbgInfo(const MDLocalVariable *Var, const MDExpression *Expr,
> +                    unsigned Slot, const MDLocation *Loc)
>          : Var(Var), Expr(Expr), Slot(Slot), Loc(Loc) {}
>    };
>    typedef SmallVector<VariableDbgInfo, 4> VariableDbgInfoMapTy;
> @@ -437,8 +438,8 @@ public:
>
>    /// setVariableDbgInfo - Collect information used to emit debugging
>    /// information of a variable.
> -  void setVariableDbgInfo(MDNode *Var, MDNode *Expr, unsigned Slot,
> -                          DebugLoc Loc) {
> +  void setVariableDbgInfo(const MDLocalVariable *Var, const MDExpression
> *Expr,
> +                          unsigned Slot, const MDLocation *Loc) {
>      VariableDbgInfos.emplace_back(Var, Expr, Slot, Loc);
>    }
>
>
> Modified: llvm/trunk/include/llvm/IR/DebugInfo.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DebugInfo.h?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/DebugInfo.h (original)
> +++ llvm/trunk/include/llvm/IR/DebugInfo.h Wed Apr 15 17:29:27 2015
> @@ -622,16 +622,6 @@ DISubprogram getDISubprogram(const Funct
>  /// \brief Find underlying composite type.
>  DICompositeType getDICompositeType(DIType T);
>
> -/// \brief Create a new inlined variable based on current variable.
> -///
> -/// @param DV            Current Variable.
> -/// @param InlinedScope  Location at current variable is inlined.
> -DIVariable createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
> -                                 LLVMContext &VMContext);
> -
> -/// \brief Remove inlined scope from the variable.
> -DIVariable cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext);
> -
>  /// \brief Generate map by visiting all retained types.
>  DITypeIdentifierMap generateDITypeIdentifierMap(const NamedMDNode
> *CU_Nodes);
>
>
> Modified: llvm/trunk/include/llvm/IR/DebugInfoMetadata.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DebugInfoMetadata.h?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/DebugInfoMetadata.h (original)
> +++ llvm/trunk/include/llvm/IR/DebugInfoMetadata.h Wed Apr 15 17:29:27 2015
> @@ -1877,38 +1877,32 @@ class MDLocalVariable : public MDVariabl
>    static MDLocalVariable *getImpl(LLVMContext &Context, unsigned Tag,
>                                    MDScope *Scope, StringRef Name, MDFile
> *File,
>                                    unsigned Line, MDTypeRef Type, unsigned
> Arg,
> -                                  unsigned Flags, MDLocation *InlinedAt,
> -                                  StorageType Storage,
> +                                  unsigned Flags, StorageType Storage,
>                                    bool ShouldCreate = true) {
>      return getImpl(Context, Tag, Scope, getCanonicalMDString(Context,
> Name),
> -                   File, Line, Type, Arg, Flags, InlinedAt, Storage,
> -                   ShouldCreate);
> +                   File, Line, Type, Arg, Flags, Storage, ShouldCreate);
>    }
> -  static MDLocalVariable *getImpl(LLVMContext &Context, unsigned Tag,
> -                                  Metadata *Scope, MDString *Name,
> -                                  Metadata *File, unsigned Line, Metadata
> *Type,
> -                                  unsigned Arg, unsigned Flags,
> -                                  Metadata *InlinedAt, StorageType
> Storage,
> -                                  bool ShouldCreate = true);
> +  static MDLocalVariable *
> +  getImpl(LLVMContext &Context, unsigned Tag, Metadata *Scope, MDString
> *Name,
> +          Metadata *File, unsigned Line, Metadata *Type, unsigned Arg,
> +          unsigned Flags, StorageType Storage, bool ShouldCreate = true);
>
>    TempMDLocalVariable cloneImpl() const {
>      return getTemporary(getContext(), getTag(), getScope(), getName(),
> -                        getFile(), getLine(), getType(), getArg(),
> getFlags(),
> -                        getInlinedAt());
> +                        getFile(), getLine(), getType(), getArg(),
> getFlags());
>    }
>
>  public:
>    DEFINE_MDNODE_GET(MDLocalVariable,
>                      (unsigned Tag, MDLocalScope *Scope, StringRef Name,
>                       MDFile *File, unsigned Line, MDTypeRef Type,
> unsigned Arg,
> -                     unsigned Flags, MDLocation *InlinedAt = nullptr),
> -                    (Tag, Scope, Name, File, Line, Type, Arg, Flags,
> InlinedAt))
> +                     unsigned Flags),
> +                    (Tag, Scope, Name, File, Line, Type, Arg, Flags))
>    DEFINE_MDNODE_GET(MDLocalVariable,
>                      (unsigned Tag, Metadata *Scope, MDString *Name,
>                       Metadata *File, unsigned Line, Metadata *Type,
> -                     unsigned Arg, unsigned Flags,
> -                     Metadata *InlinedAt = nullptr),
> -                    (Tag, Scope, Name, File, Line, Type, Arg, Flags,
> InlinedAt))
> +                     unsigned Arg, unsigned Flags),
> +                    (Tag, Scope, Name, File, Line, Type, Arg, Flags))
>
>    TempMDLocalVariable clone() const { return cloneImpl(); }
>
> @@ -1921,11 +1915,6 @@ public:
>
>    unsigned getArg() const { return Arg; }
>    unsigned getFlags() const { return Flags; }
> -  MDLocation *getInlinedAt() const {
> -    return cast_or_null<MDLocation>(getRawInlinedAt());
> -  }
> -
> -  Metadata *getRawInlinedAt() const { return getOperand(4); }
>
>    bool isArtificial() const { return getFlags() & FlagArtificial; }
>    bool isObjectPointer() const { return getFlags() & FlagObjectPointer; }
> @@ -1936,21 +1925,8 @@ public:
>    /// inlined-at location as \c this.  (Otherwise, it's not a valid
> attachemnt
>    /// to a \a DbgInfoIntrinsic.)
>    bool isValidLocationForIntrinsic(const MDLocation *DL) const {
> -    return DL && getInlinedAt() == DL->getInlinedAt() &&
> -           getScope()->getSubprogram() == DL->getScope()->getSubprogram();
> -  }
> -
> -  /// \brief Get an inlined version of this variable.
> -  ///
> -  /// Returns a version of this with \a getAlinedAt() set to \c InlinedAt.
> -  MDLocalVariable *withInline(MDLocation *InlinedAt) const {
> -    if (InlinedAt == getInlinedAt())
> -      return const_cast<MDLocalVariable *>(this);
> -    auto Temp = clone();
> -    Temp->replaceOperandWith(4, InlinedAt);
> -    return replaceWithUniqued(std::move(Temp));
> +    return DL && getScope()->getSubprogram() ==
> DL->getScope()->getSubprogram();
>    }
> -  MDLocalVariable *withoutInline() const { return withInline(nullptr); }
>
>    static bool classof(const Metadata *MD) {
>      return MD->getMetadataID() == MDLocalVariableKind;
>
> Modified: llvm/trunk/lib/AsmParser/LLParser.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLParser.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/AsmParser/LLParser.cpp (original)
> +++ llvm/trunk/lib/AsmParser/LLParser.cpp Wed Apr 15 17:29:27 2015
> @@ -3680,8 +3680,7 @@ bool LLParser::ParseMDGlobalVariable(MDN
>
>  /// ParseMDLocalVariable:
>  ///   ::= !MDLocalVariable(tag: DW_TAG_arg_variable, scope: !0, name:
> "foo",
> -///                        file: !1, line: 7, type: !2, arg: 2, flags: 7,
> -///                        inlinedAt: !3)
> +///                        file: !1, line: 7, type: !2, arg: 2, flags: 7)
>  bool LLParser::ParseMDLocalVariable(MDNode *&Result, bool IsDistinct) {
>  #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)
>       \
>    REQUIRED(tag, DwarfTagField, );
>       \
> @@ -3691,14 +3690,13 @@ bool LLParser::ParseMDLocalVariable(MDNo
>    OPTIONAL(line, LineField, );
>      \
>    OPTIONAL(type, MDField, );
>      \
>    OPTIONAL(arg, MDUnsignedField, (0, UINT8_MAX));
>       \
> -  OPTIONAL(flags, DIFlagField, );
>       \
> -  OPTIONAL(inlinedAt, MDField, );
> +  OPTIONAL(flags, DIFlagField, );
>    PARSE_MD_FIELDS();
>  #undef VISIT_MD_FIELDS
>
> -  Result = GET_OR_DISTINCT(
> -      MDLocalVariable, (Context, tag.Val, scope.Val, name.Val, file.Val,
> -                        line.Val, type.Val, arg.Val, flags.Val,
> inlinedAt.Val));
> +  Result = GET_OR_DISTINCT(MDLocalVariable,
> +                           (Context, tag.Val, scope.Val, name.Val,
> file.Val,
> +                            line.Val, type.Val, arg.Val, flags.Val));
>    return false;
>  }
>
>
> Modified: llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp (original)
> +++ llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp Wed Apr 15 17:29:27
> 2015
> @@ -1911,7 +1911,8 @@ std::error_code BitcodeReader::ParseMeta
>        break;
>      }
>      case bitc::METADATA_LOCAL_VAR: {
> -      if (Record.size() != 10)
> +      // 10th field is for the obseleted 'inlinedAt:' field.
> +      if (Record.size() != 9 && Record.size() != 10)
>          return Error("Invalid record");
>
>        MDValueList.AssignValue(
> @@ -1919,7 +1920,7 @@ std::error_code BitcodeReader::ParseMeta
>                            (Context, Record[1], getMDOrNull(Record[2]),
>                             getMDString(Record[3]), getMDOrNull(Record[4]),
>                             Record[5], getMDOrNull(Record[6]), Record[7],
> -                           Record[8], getMDOrNull(Record[9]))),
> +                           Record[8])),
>            NextMDValueNo++);
>        break;
>      }
>
> Modified: llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp (original)
> +++ llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp Wed Apr 15 17:29:27
> 2015
> @@ -1085,7 +1085,6 @@ static void WriteMDLocalVariable(const M
>    Record.push_back(VE.getMetadataOrNullID(N->getType()));
>    Record.push_back(N->getArg());
>    Record.push_back(N->getFlags());
> -  Record.push_back(VE.getMetadataOrNullID(N->getInlinedAt()));
>
>    Stream.EmitRecord(bitc::METADATA_LOCAL_VAR, Record, Abbrev);
>    Record.clear();
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp
> (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp Wed
> Apr 15 17:29:27 2015
> @@ -33,7 +33,7 @@ static unsigned isDescribedByReg(const M
>    return MI.getOperand(0).isReg() ? MI.getOperand(0).getReg() : 0;
>  }
>
> -void DbgValueHistoryMap::startInstrRange(const MDNode *Var,
> +void DbgValueHistoryMap::startInstrRange(InlinedVariable Var,
>                                           const MachineInstr &MI) {
>    // Instruction range should start with a DBG_VALUE instruction for the
>    // variable.
> @@ -48,7 +48,7 @@ void DbgValueHistoryMap::startInstrRange
>    Ranges.push_back(std::make_pair(&MI, nullptr));
>  }
>
> -void DbgValueHistoryMap::endInstrRange(const MDNode *Var,
> +void DbgValueHistoryMap::endInstrRange(InlinedVariable Var,
>                                         const MachineInstr &MI) {
>    auto &Ranges = VarInstrRanges[Var];
>    // Verify that the current instruction range is not yet closed.
> @@ -59,7 +59,7 @@ void DbgValueHistoryMap::endInstrRange(c
>    Ranges.back().second = &MI;
>  }
>
> -unsigned DbgValueHistoryMap::getRegisterForVar(const MDNode *Var) const {
> +unsigned DbgValueHistoryMap::getRegisterForVar(InlinedVariable Var) const
> {
>    const auto &I = VarInstrRanges.find(Var);
>    if (I == VarInstrRanges.end())
>      return 0;
> @@ -71,12 +71,13 @@ unsigned DbgValueHistoryMap::getRegister
>
>  namespace {
>  // Maps physreg numbers to the variables they describe.
> -typedef std::map<unsigned, SmallVector<const MDNode *, 1>>
> RegDescribedVarsMap;
> +typedef DbgValueHistoryMap::InlinedVariable InlinedVariable;
> +typedef std::map<unsigned, SmallVector<InlinedVariable, 1>>
> RegDescribedVarsMap;
>  }
>
>  // \brief Claim that @Var is not described by @RegNo anymore.
> -static void dropRegDescribedVar(RegDescribedVarsMap &RegVars,
> -                                unsigned RegNo, const MDNode *Var) {
> +static void dropRegDescribedVar(RegDescribedVarsMap &RegVars, unsigned
> RegNo,
> +                                InlinedVariable Var) {
>    const auto &I = RegVars.find(RegNo);
>    assert(RegNo != 0U && I != RegVars.end());
>    auto &VarSet = I->second;
> @@ -89,8 +90,8 @@ static void dropRegDescribedVar(RegDescr
>  }
>
>  // \brief Claim that @Var is now described by @RegNo.
> -static void addRegDescribedVar(RegDescribedVarsMap &RegVars,
> -                               unsigned RegNo, const MDNode *Var) {
> +static void addRegDescribedVar(RegDescribedVarsMap &RegVars, unsigned
> RegNo,
> +                               InlinedVariable Var) {
>    assert(RegNo != 0U);
>    auto &VarSet = RegVars[RegNo];
>    assert(std::find(VarSet.begin(), VarSet.end(), Var) == VarSet.end());
> @@ -203,9 +204,13 @@ void llvm::calculateDbgValueHistory(cons
>        // Use the base variable (without any DW_OP_piece expressions)
>        // as index into History. The full variables including the
>        // piece expressions are attached to the MI.
> -      DIVariable Var = MI.getDebugVariable();
> -      assert(Var->isValidLocationForIntrinsic(MI.getDebugLoc()) &&
> +      MDLocalVariable *RawVar = MI.getDebugVariable();
> +      assert(RawVar->isValidLocationForIntrinsic(MI.getDebugLoc()) &&
>               "Expected inlined-at fields to agree");
> +      MDLocation *IA = nullptr;
> +      if (MDLocation *Loc = MI.getDebugLoc())
> +        IA = Loc->getInlinedAt();
> +      InlinedVariable Var(RawVar, IA);
>
>        if (unsigned PrevReg = Result.getRegisterForVar(Var))
>          dropRegDescribedVar(RegVars, PrevReg, Var);
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h
> (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h Wed Apr
> 15 17:29:27 2015
> @@ -17,7 +17,8 @@ namespace llvm {
>
>  class MachineFunction;
>  class MachineInstr;
> -class MDNode;
> +class MDLocalVariable;
> +class MDLocation;
>  class TargetRegisterInfo;
>
>  // For each user variable, keep a list of instruction ranges where this
> variable
> @@ -31,16 +32,19 @@ class DbgValueHistoryMap {
>  public:
>    typedef std::pair<const MachineInstr *, const MachineInstr *>
> InstrRange;
>    typedef SmallVector<InstrRange, 4> InstrRanges;
> -  typedef MapVector<const MDNode *, InstrRanges> InstrRangesMap;
> +  typedef std::pair<const MDLocalVariable *, const MDLocation *>
> +      InlinedVariable;
> +  typedef MapVector<InlinedVariable, InstrRanges> InstrRangesMap;
> +
>  private:
>    InstrRangesMap VarInstrRanges;
>
>  public:
> -  void startInstrRange(const MDNode *Var, const MachineInstr &MI);
> -  void endInstrRange(const MDNode *Var, const MachineInstr &MI);
> +  void startInstrRange(InlinedVariable Var, const MachineInstr &MI);
> +  void endInstrRange(InlinedVariable Var, const MachineInstr &MI);
>    // Returns register currently describing @Var. If @Var is currently
>    // unaccessible or is not described by a register, returns 0.
> -  unsigned getRegisterForVar(const MDNode *Var) const;
> +  unsigned getRegisterForVar(InlinedVariable Var) const;
>
>    bool empty() const { return VarInstrRanges.empty(); }
>    void clear() { VarInstrRanges.clear(); }
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp Wed Apr 15
> 17:29:27 2015
> @@ -689,7 +689,7 @@ void DwarfCompileUnit::collectDeadVariab
>      SPDIE = getDIE(SP);
>    assert(SPDIE);
>    for (DIVariable DV : Variables) {
> -    DbgVariable NewVar(DV, DIExpression(), DD);
> +    DbgVariable NewVar(DV, nullptr, DIExpression(), DD);
>      auto VariableDie = constructVariableDIE(NewVar);
>      applyVariableAttributes(NewVar, *VariableDie);
>      SPDIE->addChild(std::move(VariableDie));
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Wed Apr 15 17:29:27
> 2015
> @@ -489,7 +489,8 @@ void DwarfDebug::finishVariableDefinitio
>      // DIE::getUnit isn't simple - it walks parent pointers, etc.
>      DwarfCompileUnit *Unit = lookupUnit(VariableDie->getUnit());
>      assert(Unit);
> -    DbgVariable *AbsVar = getExistingAbstractVariable(Var->getVariable());
> +    DbgVariable *AbsVar = getExistingAbstractVariable(
> +        InlinedVariable(Var->getVariable(), Var->getInlinedAt()));
>      if (AbsVar && AbsVar->getDIE()) {
>        Unit->addDIEEntry(*VariableDie, dwarf::DW_AT_abstract_origin,
>                          *AbsVar->getDIE());
> @@ -660,48 +661,43 @@ void DwarfDebug::endModule() {
>  }
>
>  // Find abstract variable, if any, associated with Var.
> -DbgVariable *DwarfDebug::getExistingAbstractVariable(const DIVariable &DV,
> +DbgVariable *DwarfDebug::getExistingAbstractVariable(InlinedVariable IV,
>                                                       DIVariable
> &Cleansed) {
> -  LLVMContext &Ctx = DV->getContext();
>    // More then one inlined variable corresponds to one abstract variable.
> -  // FIXME: This duplication of variables when inlining should probably be
> -  // removed. It's done to allow each DIVariable to describe its location
> -  // because the DebugLoc on the dbg.value/declare isn't accurate. We
> should
> -  // make it accurate then remove this duplication/cleansing stuff.
> -  Cleansed = cleanseInlinedVariable(DV, Ctx);
> +  Cleansed = IV.first;
>    auto I = AbstractVariables.find(Cleansed);
>    if (I != AbstractVariables.end())
>      return I->second.get();
>    return nullptr;
>  }
>
> -DbgVariable *DwarfDebug::getExistingAbstractVariable(const DIVariable
> &DV) {
> +DbgVariable *DwarfDebug::getExistingAbstractVariable(InlinedVariable IV) {
>    DIVariable Cleansed;
> -  return getExistingAbstractVariable(DV, Cleansed);
> +  return getExistingAbstractVariable(IV, Cleansed);
>  }
>
>  void DwarfDebug::createAbstractVariable(const DIVariable &Var,
>                                          LexicalScope *Scope) {
> -  auto AbsDbgVariable = make_unique<DbgVariable>(Var, DIExpression(),
> this);
> +  auto AbsDbgVariable =
> +      make_unique<DbgVariable>(Var, nullptr, DIExpression(), this);
>    InfoHolder.addScopeVariable(Scope, AbsDbgVariable.get());
>    AbstractVariables[Var] = std::move(AbsDbgVariable);
>  }
>
> -void DwarfDebug::ensureAbstractVariableIsCreated(const DIVariable &DV,
> +void DwarfDebug::ensureAbstractVariableIsCreated(InlinedVariable IV,
>                                                   const MDNode *ScopeNode)
> {
> -  DIVariable Cleansed = DV;
> -  if (getExistingAbstractVariable(DV, Cleansed))
> +  DIVariable Cleansed;
> +  if (getExistingAbstractVariable(IV, Cleansed))
>      return;
>
>    createAbstractVariable(Cleansed, LScopes.getOrCreateAbstractScope(
>                                         cast<MDLocalScope>(ScopeNode)));
>  }
>
> -void
> -DwarfDebug::ensureAbstractVariableIsCreatedIfScoped(const DIVariable &DV,
> -                                                    const MDNode
> *ScopeNode) {
> -  DIVariable Cleansed = DV;
> -  if (getExistingAbstractVariable(DV, Cleansed))
> +void DwarfDebug::ensureAbstractVariableIsCreatedIfScoped(
> +    InlinedVariable IV, const MDNode *ScopeNode) {
> +  DIVariable Cleansed;
> +  if (getExistingAbstractVariable(IV, Cleansed))
>      return;
>
>    if (LexicalScope *Scope =
> @@ -711,11 +707,12 @@ DwarfDebug::ensureAbstractVariableIsCrea
>
>  // Collect variable information from side table maintained by MMI.
>  void DwarfDebug::collectVariableInfoFromMMITable(
> -    SmallPtrSetImpl<const MDNode *> &Processed) {
> +    DenseSet<InlinedVariable> &Processed) {
>    for (const auto &VI : MMI->getVariableDbgInfo()) {
>      if (!VI.Var)
>        continue;
> -    Processed.insert(VI.Var);
> +    InlinedVariable Var(VI.Var, VI.Loc ? VI.Loc->getInlinedAt() :
> nullptr);
> +    Processed.insert(Var);
>      LexicalScope *Scope = LScopes.findLexicalScope(VI.Loc);
>
>      // If variable scope is not found then skip this variable.
> @@ -726,8 +723,9 @@ void DwarfDebug::collectVariableInfoFrom
>      assert(DV->isValidLocationForIntrinsic(VI.Loc) &&
>             "Expected inlined-at fields to agree");
>      DIExpression Expr = cast_or_null<MDExpression>(VI.Expr);
> -    ensureAbstractVariableIsCreatedIfScoped(DV, Scope->getScopeNode());
> -    auto RegVar = make_unique<DbgVariable>(DV, Expr, this, VI.Slot);
> +    ensureAbstractVariableIsCreatedIfScoped(Var, Scope->getScopeNode());
> +    auto RegVar =
> +        make_unique<DbgVariable>(Var.first, Var.second, Expr, this,
> VI.Slot);
>      if (InfoHolder.addScopeVariable(Scope, RegVar.get()))
>        ConcreteVariables.push_back(std::move(RegVar));
>    }
> @@ -877,35 +875,34 @@ DwarfDebug::buildLocationList(SmallVecto
>
>
>  // Find variables for each lexical scope.
> -void
> -DwarfDebug::collectVariableInfo(DwarfCompileUnit &TheCU, DISubprogram SP,
> -                                SmallPtrSetImpl<const MDNode *>
> &Processed) {
> +void DwarfDebug::collectVariableInfo(DwarfCompileUnit &TheCU,
> DISubprogram SP,
> +                                     DenseSet<InlinedVariable>
> &Processed) {
>    // Grab the variable info that was squirreled away in the MMI
> side-table.
>    collectVariableInfoFromMMITable(Processed);
>
>    for (const auto &I : DbgValues) {
> -    DIVariable DV = cast<MDLocalVariable>(I.first);
> -    if (Processed.count(DV))
> +    InlinedVariable IV = I.first;
> +    if (Processed.count(IV))
>        continue;
>
> -    // Instruction ranges, specifying where DV is accessible.
> +    // Instruction ranges, specifying where IV is accessible.
>      const auto &Ranges = I.second;
>      if (Ranges.empty())
>        continue;
>
>      LexicalScope *Scope = nullptr;
> -    if (MDLocation *IA = DV->getInlinedAt())
> -      Scope = LScopes.findInlinedScope(DV->getScope(), IA);
> +    if (const MDLocation *IA = IV.second)
> +      Scope = LScopes.findInlinedScope(IV.first->getScope(), IA);
>      else
> -      Scope = LScopes.findLexicalScope(DV->getScope());
> +      Scope = LScopes.findLexicalScope(IV.first->getScope());
>      // If variable scope is not found then skip this variable.
>      if (!Scope)
>        continue;
>
> -    Processed.insert(DV);
> +    Processed.insert(IV);
>      const MachineInstr *MInsn = Ranges.front().first;
>      assert(MInsn->isDebugValue() && "History must begin with debug
> value");
> -    ensureAbstractVariableIsCreatedIfScoped(DV, Scope->getScopeNode());
> +    ensureAbstractVariableIsCreatedIfScoped(IV, Scope->getScopeNode());
>      ConcreteVariables.push_back(make_unique<DbgVariable>(MInsn, this));
>      DbgVariable *RegVar = ConcreteVariables.back().get();
>      InfoHolder.addScopeVariable(Scope, RegVar);
> @@ -931,12 +928,14 @@ DwarfDebug::collectVariableInfo(DwarfCom
>
>    // Collect info for variables that were optimized out.
>    for (DIVariable DV : SP->getVariables()) {
> -    if (!Processed.insert(DV).second)
> +    if (!Processed.insert(InlinedVariable(DV, nullptr)).second)
>        continue;
>      if (LexicalScope *Scope = LScopes.findLexicalScope(DV->getScope())) {
> -      ensureAbstractVariableIsCreatedIfScoped(DV, Scope->getScopeNode());
> +      ensureAbstractVariableIsCreatedIfScoped(InlinedVariable(DV,
> nullptr),
> +                                              Scope->getScopeNode());
>        DIExpression NoExpr;
> -      ConcreteVariables.push_back(make_unique<DbgVariable>(DV, NoExpr,
> this));
> +      ConcreteVariables.push_back(
> +          make_unique<DbgVariable>(DV, nullptr, NoExpr, this));
>        InfoHolder.addScopeVariable(Scope, ConcreteVariables.back().get());
>      }
>    }
> @@ -1188,7 +1187,7 @@ void DwarfDebug::endFunction(const Machi
>    DISubprogram SP = cast<MDSubprogram>(FnScope->getScopeNode());
>    DwarfCompileUnit &TheCU = *SPMap.lookup(SP);
>
> -  SmallPtrSet<const MDNode *, 16> ProcessedVars;
> +  DenseSet<InlinedVariable> ProcessedVars;
>    collectVariableInfo(TheCU, SP, ProcessedVars);
>
>    // Add the range of this function to the list of ranges for the CU.
> @@ -1218,9 +1217,10 @@ void DwarfDebug::endFunction(const Machi
>      DISubprogram SP = cast<MDSubprogram>(AScope->getScopeNode());
>      // Collect info for variables that were optimized out.
>      for (DIVariable DV : SP->getVariables()) {
> -      if (!ProcessedVars.insert(DV).second)
> +      if (!ProcessedVars.insert(InlinedVariable(DV, nullptr)).second)
>          continue;
> -      ensureAbstractVariableIsCreated(DV, DV->getScope());
> +      ensureAbstractVariableIsCreated(InlinedVariable(DV, nullptr),
> +                                      DV->getScope());
>        assert(LScopes.getAbstractScopesList().size() == NumAbstractScopes
>               && "ensureAbstractVariableIsCreated inserted abstract
> scopes");
>      }
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h Wed Apr 15 17:29:27 2015
> @@ -21,6 +21,7 @@
>  #include "DwarfAccelTable.h"
>  #include "DwarfFile.h"
>  #include "llvm/ADT/DenseMap.h"
> +#include "llvm/ADT/DenseSet.h"
>  #include "llvm/ADT/FoldingSet.h"
>  #include "llvm/ADT/MapVector.h"
>  #include "llvm/ADT/SmallPtrSet.h"
> @@ -74,7 +75,8 @@ public:
>  /// - Variables that are described by multiple MMI table entries have
> multiple
>  ///   expressions and frame indices.
>  class DbgVariable {
> -  DIVariable Var;             /// Variable Descriptor.
> +  DIVariable Var;                    /// Variable Descriptor.
> +  DILocation IA;                     /// Inlined at location.
>    SmallVector<DIExpression, 1> Expr; /// Complex address location
> expression.
>    DIE *TheDIE;                /// Variable DIE.
>    unsigned DotDebugLocOffset; /// Offset in DotDebugLocEntries.
> @@ -84,9 +86,10 @@ class DbgVariable {
>
>  public:
>    /// Construct a DbgVariable from a DIVariable.
> -    DbgVariable(DIVariable V, DIExpression E, DwarfDebug *DD, int FI = ~0)
> -    : Var(V), Expr(1, E), TheDIE(nullptr), DotDebugLocOffset(~0U),
> -      MInsn(nullptr), DD(DD) {
> +  DbgVariable(DIVariable V, DILocation IA, DIExpression E, DwarfDebug *DD,
> +              int FI = ~0)
> +      : Var(V), IA(IA), Expr(1, E), TheDIE(nullptr),
> DotDebugLocOffset(~0U),
> +        MInsn(nullptr), DD(DD) {
>      FrameIndex.push_back(FI);
>      assert(!E || E->isValid());
>    }
> @@ -95,13 +98,18 @@ public:
>    /// AbstractVar may be NULL.
>    DbgVariable(const MachineInstr *DbgValue, DwarfDebug *DD)
>        : Var(DbgValue->getDebugVariable()),
> +        IA(DbgValue->getDebugLoc() ?
> DbgValue->getDebugLoc()->getInlinedAt()
> +                                   : nullptr),
>          Expr(1, DbgValue->getDebugExpression()), TheDIE(nullptr),
>          DotDebugLocOffset(~0U), MInsn(DbgValue), DD(DD) {
>      FrameIndex.push_back(~0);
> +    if (MDLocation *Loc = DbgValue->getDebugLoc())
> +      IA = Loc->getInlinedAt();
>    }
>
>    // Accessors.
>    DIVariable getVariable() const { return Var; }
> +  DILocation getInlinedAt() const { return IA; }
>    const ArrayRef<DIExpression> getExpression() const { return Expr; }
>    void setDIE(DIE &D) { TheDIE = &D; }
>    DIE *getDIE() const { return TheDIE; }
> @@ -115,6 +123,7 @@ public:
>      assert(  DotDebugLocOffset == ~0U &&   !MInsn && "not an MMI entry");
>      assert(V.DotDebugLocOffset == ~0U && !V.MInsn && "not an MMI entry");
>      assert(V.Var == Var && "conflicting DIVariable");
> +    assert(V.IA == IA && "conflicting inlined-at location");
>
>      if (V.getFrameIndex().back() != ~0) {
>        auto E = V.getExpression();
> @@ -323,14 +332,16 @@ class DwarfDebug : public AsmPrinterHand
>      return InfoHolder.getUnits();
>    }
>
> +  typedef DbgValueHistoryMap::InlinedVariable InlinedVariable;
> +
>    /// \brief Find abstract variable associated with Var.
> -  DbgVariable *getExistingAbstractVariable(const DIVariable &DV,
> +  DbgVariable *getExistingAbstractVariable(InlinedVariable IV,
>                                             DIVariable &Cleansed);
> -  DbgVariable *getExistingAbstractVariable(const DIVariable &DV);
> +  DbgVariable *getExistingAbstractVariable(InlinedVariable IV);
>    void createAbstractVariable(const DIVariable &DV, LexicalScope *Scope);
> -  void ensureAbstractVariableIsCreated(const DIVariable &Var,
> +  void ensureAbstractVariableIsCreated(InlinedVariable Var,
>                                         const MDNode *Scope);
> -  void ensureAbstractVariableIsCreatedIfScoped(const DIVariable &Var,
> +  void ensureAbstractVariableIsCreatedIfScoped(InlinedVariable Var,
>                                                 const MDNode *Scope);
>
>    /// \brief Construct a DIE for this abstract scope.
> @@ -460,7 +471,7 @@ class DwarfDebug : public AsmPrinterHand
>
>    /// \brief Populate LexicalScope entries with variables' info.
>    void collectVariableInfo(DwarfCompileUnit &TheCU, DISubprogram SP,
> -                           SmallPtrSetImpl<const MDNode *>
> &ProcessedVars);
> +                           DenseSet<InlinedVariable> &ProcessedVars);
>
>    /// \brief Build the location list for all DBG_VALUEs in the
>    /// function that describe the same variable.
> @@ -469,7 +480,7 @@ class DwarfDebug : public AsmPrinterHand
>
>    /// \brief Collect variable information from the side table maintained
>    /// by MMI.
> -  void collectVariableInfoFromMMITable(SmallPtrSetImpl<const MDNode *>
> &P);
> +  void collectVariableInfoFromMMITable(DenseSet<InlinedVariable> &P);
>
>    /// \brief Ensure that a label will be emitted before MI.
>    void requestLabelBeforeInsn(const MachineInstr *MI) {
>
> Modified: llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp (original)
> +++ llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp Wed Apr 15 17:29:27 2015
> @@ -378,12 +378,13 @@ static void printDebugLoc(DebugLoc DL, r
>    CommentOS << " ]";
>  }
>
> -static void printExtendedName(raw_ostream &OS, const MDLocalVariable *V) {
> +static void printExtendedName(raw_ostream &OS, const MDLocalVariable *V,
> +                              const MDLocation *DL) {
>    const LLVMContext &Ctx = V->getContext();
>    StringRef Res = V->getName();
>    if (!Res.empty())
>      OS << Res << "," << V->getLine();
> -  if (auto *InlinedAt = V->getInlinedAt()) {
> +  if (auto *InlinedAt = DL->getInlinedAt()) {
>      if (DebugLoc InlinedAtDL = InlinedAt) {
>        OS << " @[";
>        printDebugLoc(InlinedAtDL, OS, Ctx);
> @@ -395,7 +396,7 @@ static void printExtendedName(raw_ostrea
>  void UserValue::print(raw_ostream &OS, const TargetRegisterInfo *TRI) {
>    DIVariable DV = cast<MDLocalVariable>(Variable);
>    OS << "!\"";
> -  printExtendedName(OS, DV);
> +  printExtendedName(OS, DV, dl);
>
>    OS << "\"\t";
>    if (offset)
>
> Modified: llvm/trunk/lib/CodeGen/MachineInstr.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineInstr.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/MachineInstr.cpp (original)
> +++ llvm/trunk/lib/CodeGen/MachineInstr.cpp Wed Apr 15 17:29:27 2015
> @@ -1712,7 +1712,7 @@ void MachineInstr::print(raw_ostream &OS
>      if (!HaveSemi) OS << ";";
>      DIVariable DV = cast<MDLocalVariable>(getOperand(e -
> 2).getMetadata());
>      OS << " line no:" <<  DV->getLine();
> -    if (auto *InlinedAt = DV->getInlinedAt()) {
> +    if (auto *InlinedAt = debugLoc->getInlinedAt()) {
>        DebugLoc InlinedAtDL(InlinedAt);
>        if (InlinedAtDL && MF) {
>          OS << " inlined @[ ";
>
> Modified: llvm/trunk/lib/IR/AsmWriter.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AsmWriter.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/IR/AsmWriter.cpp (original)
> +++ llvm/trunk/lib/IR/AsmWriter.cpp Wed Apr 15 17:29:27 2015
> @@ -1745,7 +1745,6 @@ static void writeMDLocalVariable(raw_ost
>    Printer.printInt("line", N->getLine());
>    Printer.printMetadata("type", N->getRawType());
>    Printer.printDIFlags("flags", N->getFlags());
> -  Printer.printMetadata("inlinedAt", N->getRawInlinedAt());
>    Out << ")";
>  }
>
>
> Modified: llvm/trunk/lib/IR/DebugInfo.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/IR/DebugInfo.cpp (original)
> +++ llvm/trunk/lib/IR/DebugInfo.cpp Wed Apr 15 17:29:27 2015
> @@ -35,16 +35,6 @@ using namespace llvm::dwarf;
>
>  DIScopeRef DIScope::getRef() const { return MDScopeRef::get(get()); }
>
> -DIVariable llvm::createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
> -                                       LLVMContext &VMContext) {
> -  return cast<MDLocalVariable>(DV)
> -      ->withInline(cast_or_null<MDLocation>(InlinedScope));
> -}
> -
> -DIVariable llvm::cleanseInlinedVariable(MDNode *DV, LLVMContext
> &VMContext) {
> -  return cast<MDLocalVariable>(DV)->withoutInline();
> -}
> -
>  DISubprogram llvm::getDISubprogram(const MDNode *Scope) {
>    if (auto *LocalScope = dyn_cast_or_null<MDLocalScope>(Scope))
>      return LocalScope->getSubprogram();
>
> Modified: llvm/trunk/lib/IR/DebugInfoMetadata.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfoMetadata.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/IR/DebugInfoMetadata.cpp (original)
> +++ llvm/trunk/lib/IR/DebugInfoMetadata.cpp Wed Apr 15 17:29:27 2015
> @@ -450,10 +450,12 @@ MDGlobalVariable::getImpl(LLVMContext &C
>                         Ops);
>  }
>
> -MDLocalVariable *MDLocalVariable::getImpl(
> -    LLVMContext &Context, unsigned Tag, Metadata *Scope, MDString *Name,
> -    Metadata *File, unsigned Line, Metadata *Type, unsigned Arg, unsigned
> Flags,
> -    Metadata *InlinedAt, StorageType Storage, bool ShouldCreate) {
> +MDLocalVariable *MDLocalVariable::getImpl(LLVMContext &Context, unsigned
> Tag,
> +                                          Metadata *Scope, MDString *Name,
> +                                          Metadata *File, unsigned Line,
> +                                          Metadata *Type, unsigned Arg,
> +                                          unsigned Flags, StorageType
> Storage,
> +                                          bool ShouldCreate) {
>    // Truncate Arg to 8 bits.
>    //
>    // FIXME: This is gross (and should be changed to an assert or
> removed), but
> @@ -463,8 +465,8 @@ MDLocalVariable *MDLocalVariable::getImp
>    assert(Scope && "Expected scope");
>    assert(isCanonical(Name) && "Expected canonical MDString");
>    DEFINE_GETIMPL_LOOKUP(MDLocalVariable, (Tag, Scope, getString(Name),
> File,
> -                                          Line, Type, Arg, Flags,
> InlinedAt));
> -  Metadata *Ops[] = {Scope, Name, File, Type, InlinedAt};
> +                                          Line, Type, Arg, Flags));
> +  Metadata *Ops[] = {Scope, Name, File, Type};
>    DEFINE_GETIMPL_STORE(MDLocalVariable, (Tag, Line, Arg, Flags), Ops);
>  }
>
>
> Modified: llvm/trunk/lib/IR/LLVMContextImpl.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/LLVMContextImpl.h?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/IR/LLVMContextImpl.h (original)
> +++ llvm/trunk/lib/IR/LLVMContextImpl.h Wed Apr 15 17:29:27 2015
> @@ -736,29 +736,24 @@ template <> struct MDNodeKeyImpl<MDLocal
>    Metadata *Type;
>    unsigned Arg;
>    unsigned Flags;
> -  Metadata *InlinedAt;
>
>    MDNodeKeyImpl(unsigned Tag, Metadata *Scope, StringRef Name, Metadata
> *File,
> -                unsigned Line, Metadata *Type, unsigned Arg, unsigned
> Flags,
> -                Metadata *InlinedAt)
> +                unsigned Line, Metadata *Type, unsigned Arg, unsigned
> Flags)
>        : Tag(Tag), Scope(Scope), Name(Name), File(File), Line(Line),
> Type(Type),
> -        Arg(Arg), Flags(Flags), InlinedAt(InlinedAt) {}
> +        Arg(Arg), Flags(Flags) {}
>    MDNodeKeyImpl(const MDLocalVariable *N)
>        : Tag(N->getTag()), Scope(N->getRawScope()), Name(N->getName()),
>          File(N->getRawFile()), Line(N->getLine()), Type(N->getRawType()),
> -        Arg(N->getArg()), Flags(N->getFlags()),
> -        InlinedAt(N->getRawInlinedAt()) {}
> +        Arg(N->getArg()), Flags(N->getFlags()) {}
>
>    bool isKeyOf(const MDLocalVariable *RHS) const {
>      return Tag == RHS->getTag() && Scope == RHS->getRawScope() &&
>             Name == RHS->getName() && File == RHS->getRawFile() &&
>             Line == RHS->getLine() && Type == RHS->getRawType() &&
> -           Arg == RHS->getArg() && Flags == RHS->getFlags() &&
> -           InlinedAt == RHS->getRawInlinedAt();
> +           Arg == RHS->getArg() && Flags == RHS->getFlags();
>    }
>    unsigned getHashValue() const {
> -    return hash_combine(Tag, Scope, Name, File, Line, Type, Arg, Flags,
> -                        InlinedAt);
> +    return hash_combine(Tag, Scope, Name, File, Line, Type, Arg, Flags);
>    }
>  };
>
>
> Modified: llvm/trunk/lib/IR/Verifier.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Verifier.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/IR/Verifier.cpp (original)
> +++ llvm/trunk/lib/IR/Verifier.cpp Wed Apr 15 17:29:27 2015
> @@ -1075,9 +1075,6 @@ void Verifier::visitMDLocalVariable(cons
>           "invalid tag", &N);
>    Assert(N.getRawScope() && isa<MDLocalScope>(N.getRawScope()),
>           "local variable requires a valid scope", &N, N.getRawScope());
> -  if (auto *IA = N.getRawInlinedAt())
> -    Assert(isa<MDLocation>(IA), "local variable requires a valid scope",
> &N,
> -           IA);
>  }
>
>  void Verifier::visitMDExpression(const MDExpression &N) {
> @@ -3401,17 +3398,12 @@ void Verifier::visitDbgIntrinsic(StringR
>    BasicBlock *BB = DII.getParent();
>    Function *F = BB ? BB->getParent() : nullptr;
>
> -  // The inlined-at attachments for variables and !dbg attachments must
> agree.
> +  // The scopes for variables and !dbg attachments must agree.
>    MDLocalVariable *Var = DII.getVariable();
> -  MDLocation *VarIA = Var->getInlinedAt();
>    MDLocation *Loc = DII.getDebugLoc();
>    Assert(Loc, "llvm.dbg." + Kind + " intrinsic requires a !dbg
> attachment",
>           &DII, BB, F);
>
> -  MDLocation *LocIA = Loc->getInlinedAt();
> -  Assert(VarIA == LocIA, "mismatched variable and !dbg inlined-at", &DII,
> BB, F,
> -         Var, VarIA, Loc, LocIA);
> -
>    MDSubprogram *VarSP = getSubprogram(Var->getRawScope());
>    MDSubprogram *LocSP = getSubprogram(Loc->getRawScope());
>    if (!VarSP || !LocSP)
>
> Modified: llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp (original)
> +++ llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp Wed Apr 15 17:29:27
> 2015
> @@ -904,19 +904,6 @@ static void fixupLineNumbers(Function *F
>          BI->setDebugLoc(TheCallDL);
>        } else {
>          BI->setDebugLoc(updateInlinedAtInfo(DL, InlinedAtNode,
> BI->getContext(), IANodes));
> -        if (DbgValueInst *DVI = dyn_cast<DbgValueInst>(BI)) {
> -          LLVMContext &Ctx = BI->getContext();
> -          MDNode *InlinedAt = BI->getDebugLoc().getInlinedAt();
> -          DVI->setOperand(2, MetadataAsValue::get(
> -                                 Ctx,
> createInlinedVariable(DVI->getVariable(),
> -                                                            InlinedAt,
> Ctx)));
> -        } else if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI)) {
> -          LLVMContext &Ctx = BI->getContext();
> -          MDNode *InlinedAt = BI->getDebugLoc().getInlinedAt();
> -          DDI->setOperand(1, MetadataAsValue::get(
> -                                 Ctx,
> createInlinedVariable(DDI->getVariable(),
> -                                                            InlinedAt,
> Ctx)));
> -        }
>        }
>      }
>    }
>
> Modified: llvm/trunk/test/Assembler/mdlocalvariable.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Assembler/mdlocalvariable.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/Assembler/mdlocalvariable.ll (original)
> +++ llvm/trunk/test/Assembler/mdlocalvariable.ll Wed Apr 15 17:29:27 2015
> @@ -12,13 +12,13 @@
>  !3 = !MDBasicType(name: "int", size: 32, align: 32, encoding:
> DW_ATE_signed)
>  !4 = !MDLocation(scope: !0)
>
> -; CHECK: !5 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "foo",
> arg: 3, scope: !0, file: !2, line: 7, type: !3, flags: DIFlagArtificial,
> inlinedAt: !4)
> -; CHECK: !6 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "foo",
> scope: !0, file: !2, line: 7, type: !3, flags: DIFlagArtificial, inlinedAt:
> !4)
> +; CHECK: !5 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "foo",
> arg: 3, scope: !0, file: !2, line: 7, type: !3, flags: DIFlagArtificial)
> +; CHECK: !6 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "foo",
> scope: !0, file: !2, line: 7, type: !3, flags: DIFlagArtificial)
>  !5 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "foo", arg: 3,
>                        scope: !0, file: !2, line: 7, type: !3,
> -                      flags: DIFlagArtificial, inlinedAt: !4)
> +                      flags: DIFlagArtificial)
>  !6 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "foo", scope: !0,
> -                      file: !2, line: 7, type: !3, flags:
> DIFlagArtificial, inlinedAt: !4)
> +                      file: !2, line: 7, type: !3, flags:
> DIFlagArtificial)
>
>  ; CHECK: !7 = !MDLocalVariable(tag: DW_TAG_arg_variable, arg: 0, scope:
> !0)
>  ; CHECK: !8 = !MDLocalVariable(tag: DW_TAG_auto_variable, scope: !0)
>
> Modified: llvm/trunk/test/CodeGen/ARM/debug-info-d16-reg.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/debug-info-d16-reg.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/debug-info-d16-reg.ll (original)
> +++ llvm/trunk/test/CodeGen/ARM/debug-info-d16-reg.ll Wed Apr 15 17:29:27
> 2015
> @@ -82,9 +82,9 @@ declare i32 @puts(i8* nocapture) nounwin
>  !20 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "val", line: 4,
> arg: 2, scope: !9, file: !1, type: !7)
>  !21 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg:
> 3, scope: !9, file: !1, type: !8)
>
> -!49 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "ptr", line: 4,
> arg: 1, scope: !9, file: !1, type: !6, inlinedAt: !37)
> -!50 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "val", line: 4,
> arg: 2, scope: !9, file: !1, type: !7, inlinedAt: !37)
> -!51 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg:
> 2, scope: !9, file: !1, type: !8, inlinedAt: !37)
> +!49 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "ptr", line: 4,
> arg: 1, scope: !9, file: !1, type: !6)
> +!50 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "val", line: 4,
> arg: 2, scope: !9, file: !1, type: !7)
> +!51 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg:
> 2, scope: !9, file: !1, type: !8)
>
>  !22 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "argc", line: 17,
> arg: 0, scope: !10, file: !1, type: !5)
>  !23 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "argv", line: 17,
> arg: 0, scope: !10, file: !1, type: !13)
>
> Modified: llvm/trunk/test/CodeGen/ARM/debug-info-s16-reg.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/debug-info-s16-reg.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/debug-info-s16-reg.ll (original)
> +++ llvm/trunk/test/CodeGen/ARM/debug-info-s16-reg.ll Wed Apr 15 17:29:27
> 2015
> @@ -80,9 +80,9 @@ declare void @llvm.dbg.value(metadata, i
>  !12 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg:
> 3, scope: !0, file: !1, type: !13)
>  !13 = !MDBasicType(tag: DW_TAG_base_type, name: "unsigned char", size: 8,
> align: 8, encoding: DW_ATE_unsigned_char)
>
> -!58 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "ptr", line: 4,
> arg: 1, scope: !0, file: !1, type: !9, inlinedAt: !40)
> -!60 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "val", line: 4,
> arg: 2, scope: !0, file: !1, type: !11, inlinedAt: !40)
> -!62 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg:
> 3, scope: !0, file: !1, type: !13, inlinedAt: !40)
> +!58 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "ptr", line: 4,
> arg: 1, scope: !0, file: !1, type: !9)
> +!60 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "val", line: 4,
> arg: 2, scope: !0, file: !1, type: !11)
> +!62 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg:
> 3, scope: !0, file: !1, type: !13)
>
>  !14 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "ptr", line: 11,
> arg: 1, scope: !6, file: !1, type: !9)
>  !15 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "val", line: 11,
> arg: 2, scope: !6, file: !1, type: !11)
>
> Modified: llvm/trunk/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll
> (original)
> +++ llvm/trunk/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll Wed
> Apr 15 17:29:27 2015
> @@ -169,36 +169,36 @@ attributes #2 = { nounwind readnone }
>  !53 = distinct !MDLexicalBlock(line: 14, column: 0, file: !1, scope: !51)
>  !54 = !MDLocation(line: 16, scope: !53)
>  !55 = !MDLocation(line: 17, scope: !24)
> -!56 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !40, type: !38,
> inlinedAt: !55)
> +!56 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !40, type: !38)
>  !57 = !MDLocation(line: 0, scope: !40, inlinedAt: !55)
>  !58 = !{i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64
> 0)}
> -!59 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 5,
> arg: 2, scope: !40, file: !25, type: !15, inlinedAt: !55)
> +!59 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 5,
> arg: 2, scope: !40, file: !25, type: !15)
>  !60 = !MDLocation(line: 5, scope: !40, inlinedAt: !55)
>  !61 = !MDLocation(line: 5, scope: !62, inlinedAt: !55)
>  !62 = distinct !MDLexicalBlock(line: 5, column: 0, file: !1, scope: !40)
>  !63 = !MDLocation(line: 18, scope: !24)
> -!64 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !40, type: !38,
> inlinedAt: !63)
> +!64 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !40, type: !38)
>  !65 = !MDLocation(line: 0, scope: !40, inlinedAt: !63)
> -!66 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 5,
> arg: 2, scope: !40, file: !25, type: !15, inlinedAt: !63)
> +!66 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 5,
> arg: 2, scope: !40, file: !25, type: !15)
>  !67 = !MDLocation(line: 5, scope: !40, inlinedAt: !63)
>  !68 = !MDLocation(line: 5, scope: !62, inlinedAt: !63)
>  !69 = !MDLocation(line: 20, scope: !70)
>  !70 = distinct !MDLexicalBlock(line: 20, column: 0, file: !1, scope: !24)
> -!71 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38,
> inlinedAt: !72)
> +!71 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38)
>  !72 = !MDLocation(line: 21, scope: !70)
>  !73 = !MDLocation(line: 0, scope: !35, inlinedAt: !72)
>  !74 = !{i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str1, i64 0,
> i64 0)}
> -!75 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 6,
> arg: 2, scope: !35, file: !25, type: !15, inlinedAt: !72)
> +!75 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 6,
> arg: 2, scope: !35, file: !25, type: !15)
>  !76 = !MDLocation(line: 6, scope: !35, inlinedAt: !72)
> -!77 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38,
> inlinedAt: !78)
> +!77 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38)
>  !78 = !MDLocation(line: 23, scope: !70)
>  !79 = !MDLocation(line: 0, scope: !35, inlinedAt: !78)
>  !80 = !{i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str2, i64 0,
> i64 0)}
> -!81 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 6,
> arg: 2, scope: !35, file: !25, type: !15, inlinedAt: !78)
> +!81 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 6,
> arg: 2, scope: !35, file: !25, type: !15)
>  !82 = !MDLocation(line: 6, scope: !35, inlinedAt: !78)
> -!83 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38,
> inlinedAt: !84)
> +!83 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38)
>  !84 = !MDLocation(line: 24, scope: !24)
>  !85 = !MDLocation(line: 0, scope: !35, inlinedAt: !84)
> -!86 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 6,
> arg: 2, scope: !35, file: !25, type: !15, inlinedAt: !84)
> +!86 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "value", line: 6,
> arg: 2, scope: !35, file: !25, type: !15)
>  !87 = !MDLocation(line: 6, scope: !35, inlinedAt: !84)
>  !88 = !MDLocation(line: 25, scope: !24)
>
> Modified: llvm/trunk/test/CodeGen/X86/stack-protector-dbginfo.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/stack-protector-dbginfo.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/stack-protector-dbginfo.ll (original)
> +++ llvm/trunk/test/CodeGen/X86/stack-protector-dbginfo.ll Wed Apr 15
> 17:29:27 2015
> @@ -48,7 +48,7 @@ attributes #0 = { sspreq }
>  !20 = !{}
>  !21 = !{i32 2, !"Dwarf Version", i32 2}
>  !22 = !{i64* getelementptr inbounds ({ i64, [56 x i8] }, { i64, [56 x i8]
> }* @a, i32 0, i32 0)}
> -!23 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p2", line: 12,
> arg: 2, scope: !24, file: !10, type: !32, inlinedAt: !38)
> +!23 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p2", line: 12,
> arg: 2, scope: !24, file: !10, type: !32)
>  !24 = !MDSubprogram(name: "min<unsigned long long>", linkageName:
> "_ZN3__13minIyEERKT_S3_RS1_", line: 12, isLocal: false, isDefinition: true,
> virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 12,
> file: !1, scope: !25, type: !27, templateParams: !33, variables: !35)
>  !25 = !MDNamespace(name: "__1", line: 1, file: !26, scope: null)
>  !26 = !MDFile(filename: "main.cpp", directory: "/Users/matt/ryan_bug")
> @@ -85,7 +85,7 @@ attributes #0 = { sspreq }
>  !58 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p3", line: 8,
> arg: 3, scope: !41, file: !10, type: !44)
>  !59 = !MDLocation(line: 13, scope: !24, inlinedAt: !38)
>  !63 = !{i32 undef}
> -!64 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 1,
> arg: 2, scope: !65, file: !10, type: !50, inlinedAt: !40)
> +!64 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 1,
> arg: 2, scope: !65, file: !10, type: !50)
>  !65 = !MDSubprogram(name: "operator()", linkageName:
> "_ZN3__11AclERKiS2_", line: 1, isLocal: false, isDefinition: true,
> virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 2,
> file: !1, scope: !25, type: !47, declaration: !46, variables: !66)
>  !66 = !{!67, !69, !70}
>  !67 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !65, type: !68)
>
> Modified: llvm/trunk/test/DebugInfo/2010-05-03-OriginDIE.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/2010-05-03-OriginDIE.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/2010-05-03-OriginDIE.ll (original)
> +++ llvm/trunk/test/DebugInfo/2010-05-03-OriginDIE.ll Wed Apr 15 17:29:27
> 2015
> @@ -58,7 +58,7 @@ declare void @uuid_LtoB(i8*, i8*)
>  !5 = !MDSubroutineType(types: !6)
>  !6 = !{null}
>  !7 = !MDLocation(line: 810, scope: !1)
> -!8 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "data", line: 201,
> arg: 0, scope: !9, file: !10, type: !11, inlinedAt: !7)
> +!8 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "data", line: 201,
> arg: 0, scope: !9, file: !10, type: !11)
>  !9 = !MDSubprogram(name: "_OSSwapInt64", linkageName: "_OSSwapInt64",
> line: 202, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized:
> false, file: !10, scope: null, type: !5)
>  !10 = !MDFile(filename: "OSByteOrder.h", directory:
> "/usr/include/libkern/ppc")
>  !11 = !MDDerivedType(tag: DW_TAG_typedef, name: "uint64_t", line: 59,
> file: !36, scope: !3, baseType: !13)
>
> Modified: llvm/trunk/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll (original)
> +++ llvm/trunk/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll Wed Apr 15
> 17:29:27 2015
> @@ -37,8 +37,8 @@ entry:
>  !9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg:
> 0, scope: !0, file: !1, type: !5)
>  !10 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12)
>
> -!59 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg:
> 0, scope: !0, file: !1, type: !5, inlinedAt: !17)
> -!60 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12, inlinedAt: !17)
> +!59 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg:
> 0, scope: !0, file: !1, type: !5)
> +!60 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12)
>
>  !11 = distinct !MDLexicalBlock(line: 9, column: 0, file: !1, scope: !0)
>  !12 = !MDCompositeType(tag: DW_TAG_structure_type, name: "X", line: 10,
> size: 64, align: 32, file: !27, scope: !0, elements: !13)
>
> Modified: llvm/trunk/test/DebugInfo/AArch64/cfi-eof-prologue.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/AArch64/cfi-eof-prologue.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/AArch64/cfi-eof-prologue.ll (original)
> +++ llvm/trunk/test/DebugInfo/AArch64/cfi-eof-prologue.ll Wed Apr 15
> 17:29:27 2015
> @@ -106,7 +106,7 @@ attributes #3 = { nounwind }
>  !42 = !{!"vtable pointer", !43, i64 0}
>  !43 = !{!"Simple C/C++ TBAA"}
>  !44 = !MDLocation(line: 0, scope: !32)
> -!45 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !28, type: !31,
> inlinedAt: !46)
> +!45 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !28, type: !31)
>  !46 = !MDLocation(line: 9, scope: !32)
>  !47 = !MDLocation(line: 0, scope: !28, inlinedAt: !46)
>  !48 = !MDLocation(line: 9, scope: !28, inlinedAt: !46)
>
> Modified: llvm/trunk/test/DebugInfo/AArch64/frameindices.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/AArch64/frameindices.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/AArch64/frameindices.ll (original)
> +++ llvm/trunk/test/DebugInfo/AArch64/frameindices.ll Wed Apr 15 17:29:27
> 2015
> @@ -234,7 +234,7 @@ attributes #5 = { builtin }
>  !71 = !MDLocation(line: 15, column: 3, scope: !25, inlinedAt: !66)
>  !72 = !MDLocation(line: 16, column: 1, scope: !25, inlinedAt: !66)
>  !73 = !MDLocation(line: 17, column: 27, scope: !31)
> -!74 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 17,
> arg: 1, scope: !31, file: !26, type: !"_ZTS1A", inlinedAt: !75)
> +!74 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 17,
> arg: 1, scope: !31, file: !26, type: !"_ZTS1A")
>  !75 = distinct !MDLocation(line: 22, column: 3, scope: !34)
>  !76 = !MDExpression(DW_OP_bit_piece, 8, 120)
>  !77 = !MDLocation(line: 17, column: 12, scope: !31, inlinedAt: !75)
>
> Modified: llvm/trunk/test/DebugInfo/ARM/cfi-eof-prologue.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/ARM/cfi-eof-prologue.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/ARM/cfi-eof-prologue.ll (original)
> +++ llvm/trunk/test/DebugInfo/ARM/cfi-eof-prologue.ll Wed Apr 15 17:29:27
> 2015
> @@ -109,7 +109,7 @@ attributes #3 = { nounwind }
>  !44 = !{!"vtable pointer", !45, i64 0}
>  !45 = !{!"Simple C/C++ TBAA"}
>  !46 = !MDLocation(line: 0, scope: !32)
> -!47 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !28, type: !31,
> inlinedAt: !48)
> +!47 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !28, type: !31)
>  !48 = !MDLocation(line: 9, scope: !32)
>  !49 = !MDLocation(line: 0, scope: !28, inlinedAt: !48)
>  !50 = !MDLocation(line: 9, scope: !28, inlinedAt: !48)
>
> Modified: llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll (original)
> +++ llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll Wed Apr 15
> 17:29:27 2015
> @@ -37,8 +37,8 @@ entry:
>  !9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg:
> 0, scope: !0, file: !1, type: !5)
>  !10 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12)
>
> -!59 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg:
> 0, scope: !0, file: !1, type: !5, inlinedAt: !17)
> -!60 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12, inlinedAt: !17)
> +!59 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg:
> 0, scope: !0, file: !1, type: !5)
> +!60 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12)
>
>  !11 = distinct !MDLexicalBlock(line: 9, column: 0, file: !1, scope: !0)
>  !12 = !MDCompositeType(tag: DW_TAG_structure_type, name: "X", line: 10,
> size: 64, align: 32, file: !27, scope: !0, elements: !13)
>
> Modified: llvm/trunk/test/DebugInfo/PR20038.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/PR20038.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/PR20038.ll (original)
> +++ llvm/trunk/test/DebugInfo/PR20038.ll Wed Apr 15 17:29:27 2015
> @@ -155,9 +155,9 @@ attributes #2 = { nounwind readnone }
>  !32 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30)
>  !33 = !MDLocation(line: 0, scope: !16, inlinedAt: !21)
>
> -!129 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !30,
> inlinedAt: !22)
> -!132 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30,
> inlinedAt: !21)
> -!232 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30,
> inlinedAt: !37)
> +!129 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !30)
> +!132 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30)
> +!232 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30)
>
>  !34 = !MDLocation(line: 5, scope: !35)
>  !35 = distinct !MDLexicalBlock(line: 5, column: 0, file: !5, scope: !36)
>
> Modified: llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll Wed Apr 15 17:29:27
> 2015
> @@ -37,8 +37,8 @@ entry:
>  !9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg:
> 0, scope: !0, file: !1, type: !5)
>  !10 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12)
>
> -!109 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9,
> arg: 0, scope: !0, file: !1, type: !5, inlinedAt: !17)
> -!110 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12, inlinedAt: !17)
> +!109 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9,
> arg: 0, scope: !0, file: !1, type: !5)
> +!110 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10,
> scope: !11, file: !1, type: !12)
>
>  !11 = distinct !MDLexicalBlock(line: 9, column: 0, file: !1, scope: !0)
>  !12 = !MDCompositeType(tag: DW_TAG_structure_type, name: "X", line: 10,
> size: 64, align: 32, file: !27, scope: !0, elements: !13)
>
> Modified: llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll Wed Apr
> 15 17:29:27 2015
> @@ -61,8 +61,8 @@ declare float* @bar(i32) optsize
>
>  define void @foobar() nounwind optsize ssp {
>  entry:
> -  tail call void @llvm.dbg.value(metadata %struct.S1* @p, i64 0, metadata
> !109, metadata !MDExpression()) nounwind, !dbg !31
> -  tail call void @llvm.dbg.value(metadata i32 1, i64 0, metadata !118,
> metadata !MDExpression()) nounwind, !dbg !35
> +  tail call void @llvm.dbg.value(metadata %struct.S1* @p, i64 0, metadata
> !9, metadata !MDExpression()) nounwind, !dbg !31
> +  tail call void @llvm.dbg.value(metadata i32 1, i64 0, metadata !18,
> metadata !MDExpression()) nounwind, !dbg !35
>    store i32 1, i32* getelementptr inbounds (%struct.S1, %struct.S1* @p,
> i64 0, i32 1), align 8, !dbg !36
>    %call.i = tail call float* @bar(i32 1) nounwind optsize, !dbg !37
>    store float* %call.i, float** getelementptr inbounds (%struct.S1,
> %struct.S1* @p, i64 0, i32 0), align 8, !dbg !37
> @@ -84,9 +84,6 @@ declare void @llvm.dbg.value(metadata, i
>  !7 = !MDSubroutineType(types: !8)
>  !8 = !{null}
>  !9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "sp", line: 7, arg:
> 1, scope: !0, file: !1, type: !10)
> -
> -!109 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "sp", line: 7,
> arg: 1, scope: !0, file: !1, type: !10, inlinedAt: !32)
> -
>  !10 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64,
> scope: !2, baseType: !11)
>  !11 = !MDDerivedType(tag: DW_TAG_typedef, name: "S1", line: 4, file: !42,
> scope: !2, baseType: !12)
>  !12 = !MDCompositeType(tag: DW_TAG_structure_type, name: "S1", line: 1,
> size: 128, align: 64, file: !42, scope: !2, elements: !13)
> @@ -96,9 +93,6 @@ declare void @llvm.dbg.value(metadata, i
>  !16 = !MDBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align:
> 32, encoding: DW_ATE_float)
>  !17 = !MDDerivedType(tag: DW_TAG_member, name: "nums", line: 3, size: 32,
> align: 32, offset: 64, file: !42, scope: !1, baseType: !5)
>  !18 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "nums", line: 7,
> arg: 2, scope: !0, file: !1, type: !5)
> -
> -!118 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "nums", line: 7,
> arg: 2, scope: !0, file: !1, type: !5, inlinedAt: !32)
> -
>  !19 = !MDGlobalVariable(name: "p", line: 14, isLocal: false,
> isDefinition: true, scope: !2, file: !1, type: !11, variable: %struct.S1*
> @p)
>  !20 = !MDLocation(line: 7, column: 13, scope: !0)
>  !21 = !MDLocation(line: 7, column: 21, scope: !0)
>
> Modified: llvm/trunk/test/DebugInfo/X86/debug-ranges-offset.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/debug-ranges-offset.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/debug-ranges-offset.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/debug-ranges-offset.ll Wed Apr 15
> 17:29:27 2015
> @@ -234,7 +234,7 @@ attributes #4 = { builtin }
>  !29 = !MDLocation(line: 7, scope: !4)
>  !30 = !MDLocation(line: 4, scope: !4, inlinedAt: !31)
>  !31 = !MDLocation(line: 10, scope: !13)
> -!32 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "p", line: 4,
> scope: !4, file: !5, type: !10, inlinedAt: !31)
> +!32 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "p", line: 4,
> scope: !4, file: !5, type: !10)
>  !33 = !MDLocation(line: 5, scope: !21, inlinedAt: !31)
>  !34 = !MDLocation(line: 6, scope: !21, inlinedAt: !31)
>  !35 = !MDLocation(line: 7, scope: !4, inlinedAt: !31)
>
> Modified: llvm/trunk/test/DebugInfo/X86/inline-member-function.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/inline-member-function.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/inline-member-function.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/inline-member-function.ll Wed Apr 15
> 17:29:27 2015
> @@ -88,8 +88,8 @@ attributes #1 = { nounwind readnone }
>  !21 = !{i32 1, !"Debug Info Version", i32 3}
>  !22 = !{!"clang version 3.5.0 "}
>  !23 = !MDLocation(line: 8, scope: !13)
> -!24 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !25,
> inlinedAt: !23)
> +!24 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !25)
>  !25 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64,
> baseType: !"_ZTS3foo")
>  !26 = !MDLocation(line: 0, scope: !17, inlinedAt: !23)
> -!27 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 2, arg:
> 2, scope: !17, file: !14, type: !9, inlinedAt: !23)
> +!27 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 2, arg:
> 2, scope: !17, file: !14, type: !9)
>  !28 = !MDLocation(line: 2, scope: !17, inlinedAt: !23)
>
> Modified: llvm/trunk/test/DebugInfo/X86/inline-seldag-test.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/inline-seldag-test.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/inline-seldag-test.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/inline-seldag-test.ll Wed Apr 15
> 17:29:27 2015
> @@ -67,7 +67,7 @@ attributes #1 = { nounwind readnone }
>  !16 = !MDDerivedType(tag: DW_TAG_volatile_type, baseType: !11)
>  !17 = !MDLocation(line: 5, scope: !4)
>  !18 = !MDLocation(line: 6, column: 7, scope: !4)
> -!19 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 1, arg:
> 1, scope: !8, file: !5, type: !11, inlinedAt: !18)
> +!19 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 1, arg:
> 1, scope: !8, file: !5, type: !11)
>  !20 = !MDLocation(line: 1, scope: !8, inlinedAt: !18)
>  !21 = !MDLocation(line: 2, scope: !8, inlinedAt: !18)
>  !22 = !MDLocation(line: 7, scope: !4)
>
> Modified: llvm/trunk/test/DebugInfo/X86/mi-print.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/mi-print.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/mi-print.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/mi-print.ll Wed Apr 15 17:29:27 2015
> @@ -50,7 +50,7 @@ attributes #1 = { nounwind readnone }
>  !16 = !{!"clang version 3.7.0 (trunk 233919) (llvm/trunk 233920)"}
>  !17 = !MDExpression()
>  !18 = !MDLocation(line: 2, column: 13, scope: !4)
> -!19 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", arg: 1,
> scope: !10, file: !1, line: 1, type: !7, inlinedAt: !20)
> +!19 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", arg: 1,
> scope: !10, file: !1, line: 1, type: !7)
>  !20 = distinct !MDLocation(line: 2, column: 25, scope: !4)
>  !21 = !MDLocation(line: 1, column: 20, scope: !10, inlinedAt: !20)
>  !22 = !MDLocation(line: 2, column: 18, scope: !4)
>
> Modified: llvm/trunk/test/DebugInfo/X86/nodebug_with_debug_loc.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/nodebug_with_debug_loc.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/nodebug_with_debug_loc.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/nodebug_with_debug_loc.ll Wed Apr 15
> 17:29:27 2015
> @@ -124,7 +124,7 @@ attributes #3 = { nounwind }
>  !24 = !{i32 2, !"Debug Info Version", i32 3}
>  !25 = !{!"clang version 3.5.0 "}
>  !26 = !MDLocation(line: 15, scope: !11)
> -!27 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "lhs", line: 13,
> arg: 1, scope: !17, file: !12, type: !20, inlinedAt: !28)
> +!27 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "lhs", line: 13,
> arg: 1, scope: !17, file: !12, type: !20)
>  !28 = !MDLocation(line: 16, scope: !11)
>  !29 = !MDLocation(line: 13, scope: !17, inlinedAt: !28)
>  !30 = !MDLocation(line: 17, scope: !11)
>
> Modified: llvm/trunk/test/DebugInfo/X86/nophysreg.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/nophysreg.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/nophysreg.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/nophysreg.ll Wed Apr 15 17:29:27 2015
> @@ -196,7 +196,7 @@ attributes #3 = { ssp uwtable }
>  !57 = !MDLocation(line: 23, column: 15, scope: !24)
>  !58 = !MDLocation(line: 23, column: 7, scope: !24)
>  !59 = !MDLocation(line: 24, column: 9, scope: !24)
> -!60 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p5", line: 7,
> arg: 1, scope: !11, file: !12, type: !"_ZTS1A", inlinedAt: !61)
> +!60 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p5", line: 7,
> arg: 1, scope: !11, file: !12, type: !"_ZTS1A")
>  !61 = distinct !MDLocation(line: 26, column: 7, scope: !24)
>  !62 = !MDLocation(line: 7, column: 42, scope: !11, inlinedAt: !61)
>  !63 = !MDLocation(line: 7, column: 48, scope: !11, inlinedAt: !61)
>
> Modified: llvm/trunk/test/DebugInfo/X86/recursive_inlining.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/recursive_inlining.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/recursive_inlining.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/recursive_inlining.ll Wed Apr 15
> 17:29:27 2015
> @@ -236,7 +236,7 @@ attributes #3 = { nounwind }
>  !34 = !{!"any pointer", !35, i64 0}
>  !35 = !{!"omnipotent char", !36, i64 0}
>  !36 = !{!"Simple C/C++ TBAA"}
> -!37 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !22, type: !25,
> inlinedAt: !32)
> +!37 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !22, type: !25)
>  !38 = !MDLocation(line: 0, scope: !22, inlinedAt: !32)
>  !39 = !MDLocation(line: 8, scope: !22, inlinedAt: !32)
>  !40 = !MDLocation(line: 9, scope: !41, inlinedAt: !32)
> @@ -256,7 +256,7 @@ attributes #3 = { nounwind }
>  !54 = !MDLocation(line: 20, scope: !18, inlinedAt: !55)
>  !55 = !MDLocation(line: 10, scope: !22)
>  !56 = !MDLocation(line: 17, scope: !14, inlinedAt: !54)
> -!57 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !22, type: !25,
> inlinedAt: !56)
> +!57 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !22, type: !25)
>  !58 = !MDLocation(line: 0, scope: !22, inlinedAt: !56)
>  !59 = !MDLocation(line: 8, scope: !22, inlinedAt: !56)
>  !60 = !MDLocation(line: 9, scope: !41, inlinedAt: !56)
> @@ -266,7 +266,7 @@ attributes #3 = { nounwind }
>  !64 = !MDLocation(line: 16, scope: !14, inlinedAt: !65)
>  !65 = !MDLocation(line: 20, scope: !18)
>  !66 = !MDLocation(line: 17, scope: !14, inlinedAt: !65)
> -!67 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !22, type: !25,
> inlinedAt: !66)
> +!67 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1,
> flags: DIFlagArtificial | DIFlagObjectPointer, scope: !22, type: !25)
>  !68 = !MDLocation(line: 0, scope: !22, inlinedAt: !66)
>  !69 = !MDLocation(line: 8, scope: !22, inlinedAt: !66)
>  !70 = !MDLocation(line: 9, scope: !41, inlinedAt: !66)
>
> Modified: llvm/trunk/test/DebugInfo/cross-cu-inlining.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/cross-cu-inlining.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/cross-cu-inlining.ll (original)
> +++ llvm/trunk/test/DebugInfo/cross-cu-inlining.ll Wed Apr 15 17:29:27 2015
> @@ -134,7 +134,7 @@ attributes #3 = { nounwind }
>  !19 = !MDLocation(line: 4, scope: !4)
>  !20 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 1, arg:
> 1, scope: !12, file: !13, type: !8)
>
> -!120 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 1,
> arg: 1, scope: !12, file: !13, type: !8, inlinedAt: !19)
> +!120 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 1,
> arg: 1, scope: !12, file: !13, type: !8)
>
>  !21 = !MDLocation(line: 1, scope: !12, inlinedAt: !19)
>  !22 = !MDLocation(line: 2, scope: !12, inlinedAt: !19)
>
> Modified: llvm/trunk/test/DebugInfo/inline-scopes.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/inline-scopes.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/inline-scopes.ll (original)
> +++ llvm/trunk/test/DebugInfo/inline-scopes.ll Wed Apr 15 17:29:27 2015
> @@ -111,7 +111,7 @@ attributes #2 = { "less-precise-fpmad"="
>  !13 = !{i32 2, !"Dwarf Version", i32 4}
>  !14 = !{i32 1, !"Debug Info Version", i32 3}
>  !15 = !{!"clang version 3.5.0 "}
> -!16 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 3,
> scope: !17, file: !11, type: !18, inlinedAt: !20)
> +!16 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 3,
> scope: !17, file: !11, type: !18)
>  !17 = distinct !MDLexicalBlock(line: 3, column: 0, file: !1, scope: !12)
>  !18 = !MDBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align:
> 8, encoding: DW_ATE_boolean)
>  !19 = !MDLocation(line: 3, scope: !17, inlinedAt: !20)
> @@ -119,7 +119,7 @@ attributes #2 = { "less-precise-fpmad"="
>  !21 = !MDLocation(line: 4, scope: !17, inlinedAt: !20)
>  !22 = !MDLocation(line: 5, scope: !12, inlinedAt: !20)
>  !23 = !MDLocation(line: 6, scope: !12, inlinedAt: !20)
> -!24 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 2,
> scope: !25, file: !6, type: !18, inlinedAt: !28)
> +!24 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 2,
> scope: !25, file: !6, type: !18)
>  !25 = distinct !MDLexicalBlock(line: 2, column: 0, file: !5, scope: !26)
>  !26 = !MDLexicalBlockFile(discriminator: 0, file: !5, scope: !10)
>  !27 = !MDLocation(line: 2, scope: !25, inlinedAt: !28)
>
> Modified: llvm/trunk/test/DebugInfo/inlined-arguments.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/inlined-arguments.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/inlined-arguments.ll (original)
> +++ llvm/trunk/test/DebugInfo/inlined-arguments.ll Wed Apr 15 17:29:27 2015
> @@ -66,11 +66,11 @@ attributes #2 = { nounwind readnone }
>  !13 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 6, arg:
> 1, scope: !8, file: !5, type: !11)
>  !14 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 6, arg:
> 2, scope: !8, file: !5, type: !11)
>  !15 = !{i32 undef}
> -!16 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 6, arg:
> 1, scope: !8, file: !5, type: !11, inlinedAt: !17)
> +!16 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 6, arg:
> 1, scope: !8, file: !5, type: !11)
>  !17 = !MDLocation(line: 4, scope: !4)
>  !18 = !MDLocation(line: 6, scope: !8, inlinedAt: !17)
>  !19 = !{i32 2}
> -!20 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 6, arg:
> 2, scope: !8, file: !5, type: !11, inlinedAt: !17)
> +!20 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 6, arg:
> 2, scope: !8, file: !5, type: !11)
>  !21 = !MDLocation(line: 7, scope: !8, inlinedAt: !17)
>  !22 = !MDLocation(line: 5, scope: !4)
>  !23 = !MDLocation(line: 6, scope: !8)
>
> Modified: llvm/trunk/test/DebugInfo/inlined-vars.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/inlined-vars.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/inlined-vars.ll (original)
> +++ llvm/trunk/test/DebugInfo/inlined-vars.ll Wed Apr 15 17:29:27 2015
> @@ -45,10 +45,10 @@ declare void @llvm.dbg.value(metadata, i
>  ; VARIABLE: {{.*Abbrev.*DW_TAG_variable}}
>  ; VARIABLE-NOT: {{.*Abbrev.*DW_TAG_variable}}
>
> -!18 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "argument", line:
> 3, arg: 1, scope: !10, file: !6, type: !9, inlinedAt: !19)
> +!18 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "argument", line:
> 3, arg: 1, scope: !10, file: !6, type: !9)
>  !19 = !MDLocation(line: 11, column: 10, scope: !5)
>  !21 = !MDLocation(line: 3, column: 25, scope: !10, inlinedAt: !19)
> -!22 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "local", line: 4,
> scope: !10, file: !6, type: !9, inlinedAt: !19)
> +!22 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "local", line: 4,
> scope: !10, file: !6, type: !9)
>  !23 = !MDLocation(line: 4, column: 16, scope: !10, inlinedAt: !19)
>  !24 = !MDLocation(line: 5, column: 3, scope: !10, inlinedAt: !19)
>  !25 = !MDLocation(line: 6, column: 3, scope: !10, inlinedAt: !19)
>
> Modified: llvm/trunk/test/DebugInfo/missing-abstract-variable.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/missing-abstract-variable.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/missing-abstract-variable.ll (original)
> +++ llvm/trunk/test/DebugInfo/missing-abstract-variable.ll Wed Apr 15
> 17:29:27 2015
> @@ -160,13 +160,13 @@ attributes #2 = { nounwind readnone }
>  !22 = !{i32 2, !"Debug Info Version", i32 3}
>  !23 = !{!"clang version 3.5.0 "}
>  !24 = !{i1 false}
> -!25 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 5, arg:
> 1, scope: !14, file: !5, type: !11, inlinedAt: !26)
> +!25 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 5, arg:
> 1, scope: !14, file: !5, type: !11)
>  !26 = !MDLocation(line: 14, scope: !4)
>  !27 = !MDLocation(line: 5, scope: !14, inlinedAt: !26)
>  !28 = !MDLocation(line: 10, scope: !14, inlinedAt: !26)
>  !29 = !MDLocation(line: 15, scope: !4)
>  !30 = !MDLocation(line: 17, scope: !8)
> -!31 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 5, arg:
> 1, scope: !14, file: !5, type: !11, inlinedAt: !32)
> +!31 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 5, arg:
> 1, scope: !14, file: !5, type: !11)
>  !32 = !MDLocation(line: 18, scope: !8)
>  !33 = !MDLocation(line: 5, scope: !14, inlinedAt: !32)
>  !34 = !MDLocation(line: 6, scope: !19, inlinedAt: !32)
> @@ -175,7 +175,7 @@ attributes #2 = { nounwind readnone }
>  !37 = !{!"int", !38, i64 0}
>  !38 = !{!"omnipotent char", !39, i64 0}
>  !39 = !{!"Simple C/C++ TBAA"}
> -!40 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "s", line: 7,
> scope: !18, file: !5, type: !20, inlinedAt: !32)
> +!40 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "s", line: 7,
> scope: !18, file: !5, type: !20)
>  !41 = !MDLocation(line: 8, scope: !18, inlinedAt: !32)
>  !42 = !MDLocation(line: 9, scope: !18, inlinedAt: !32)
>  !43 = !MDLocation(line: 10, scope: !14, inlinedAt: !32)
>
> Modified: llvm/trunk/test/DebugInfo/namespace_inline_function_definition.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/namespace_inline_function_definition.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/namespace_inline_function_definition.ll
> (original)
> +++ llvm/trunk/test/DebugInfo/namespace_inline_function_definition.ll Wed
> Apr 15 17:29:27 2015
> @@ -89,7 +89,7 @@ attributes #2 = { nounwind readnone }
>  !16 = !MDLocation(line: 5, scope: !4)
>  !17 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "i", line: 6, arg:
> 1, scope: !9, file: !5, type: !8)
>
> -!117 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "i", line: 6,
> arg: 1, scope: !9, file: !5, type: !8, inlinedAt: !16)
> +!117 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "i", line: 6,
> arg: 1, scope: !9, file: !5, type: !8)
>
>  !18 = !MDLocation(line: 6, scope: !9, inlinedAt: !16)
>  !19 = !MDLocation(line: 6, scope: !9)
>
> Modified: llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll (original)
> +++ llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll Wed Apr 15
> 17:29:27 2015
> @@ -128,7 +128,7 @@ attributes #3 = { noreturn nounwind }
>  !43 = !{!37, !37, i64 0}
>  !44 = !{!38, !38, i64 0}
>  !45 = !MDLocation(line: 9, scope: !15)
> -!46 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 6,
> arg: 1, scope: !15, file: !16, type: !"_ZTS1A", inlinedAt: !47)
> +!46 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 6,
> arg: 1, scope: !15, file: !16, type: !"_ZTS1A")
>  !47 = distinct !MDLocation(line: 11, scope: !21)
>  !48 = !MDExpression(DW_OP_bit_piece, 32, 160)
>  !49 = !MDLocation(line: 6, scope: !15, inlinedAt: !47)
>
> Modified: llvm/trunk/test/Transforms/Inline/inline_dbg_declare.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/Inline/inline_dbg_declare.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/Transforms/Inline/inline_dbg_declare.ll (original)
> +++ llvm/trunk/test/Transforms/Inline/inline_dbg_declare.ll Wed Apr 15
> 17:29:27 2015
> @@ -94,6 +94,6 @@ attributes #1 = { nounwind readnone }
>
>  ; CHECK: [[FOO:![0-9]+]] = !MDSubprogram(name: "foo",
>  ; CHECK: [[BAR:![0-9]+]] = !MDSubprogram(name: "bar",
> +; CHECK: [[m23]] = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x",
> arg: 1, scope: [[FOO]]
>  ; CHECK: [[CALL_SITE:![0-9]+]] = distinct !MDLocation(line: 8, column:
> 14, scope: [[BAR]])
> -; CHECK: [[m23]] = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x",
> arg: 1, scope: [[FOO]],{{.*}} inlinedAt: [[CALL_SITE]])
>  ; CHECK: [[m24]] = !MDLocation(line: 1, column: 17, scope: [[FOO]],
> inlinedAt: [[CALL_SITE]])
>
> Modified: llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll (original)
> +++ llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll Wed Apr 15
> 17:29:27 2015
> @@ -41,15 +41,15 @@ return:
>  !6 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align:
> 32, encoding: DW_ATE_signed)
>  !7 = !MDLocation(line: 8, scope: !1)
>  !8 = !MDLocation(line: 9, scope: !1)
> -!9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 4, arg:
> 0, scope: !10, file: !2, type: !6, inlinedAt: !8)
> +!9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 4, arg:
> 0, scope: !10, file: !2, type: !6)
>  !10 = !MDSubprogram(name: "bar", linkageName: "bar", line: 4, isLocal:
> true, isDefinition: true, virtualIndex: 6, isOptimized: false, scopeLine:
> 4, file: !20, scope: !2, type: !11)
>  !11 = !MDSubroutineType(types: !12)
>  !12 = !{null, !6, !13, !14}
>  !13 = !MDBasicType(tag: DW_TAG_base_type, name: "long int", size: 64,
> align: 64, encoding: DW_ATE_signed)
>  !14 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file:
> !20, scope: !2, baseType: null)
>  !15 = !MDLocation(line: 4, scope: !10, inlinedAt: !8)
> -!16 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 4, arg:
> 0, scope: !10, file: !2, type: !13, inlinedAt: !8)
> -!17 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "z", line: 4, arg:
> 0, scope: !10, file: !2, type: !14, inlinedAt: !8)
> +!16 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 4, arg:
> 0, scope: !10, file: !2, type: !13)
> +!17 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "z", line: 4, arg:
> 0, scope: !10, file: !2, type: !14)
>  !18 = !MDLocation(line: 5, scope: !10, inlinedAt: !8)
>  !19 = !MDLocation(line: 10, scope: !1)
>  !20 = !MDFile(filename: "bar.c", directory: "/tmp/")
>
> Modified: llvm/trunk/unittests/IR/MetadataTest.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/IR/MetadataTest.cpp?rev=235050&r1=235049&r2=235050&view=diff
>
> ==============================================================================
> --- llvm/trunk/unittests/IR/MetadataTest.cpp (original)
> +++ llvm/trunk/unittests/IR/MetadataTest.cpp Wed Apr 15 17:29:27 2015
> @@ -1813,11 +1813,9 @@ TEST_F(MDLocalVariableTest, get) {
>    MDTypeRef Type = getDerivedType();
>    unsigned Arg = 6;
>    unsigned Flags = 7;
> -  MDLocation *InlinedAt =
> -      MDLocation::getDistinct(Context, 10, 20, getSubprogram());
>
>    auto *N = MDLocalVariable::get(Context, Tag, Scope, Name, File, Line,
> Type,
> -                                 Arg, Flags, InlinedAt);
> +                                 Arg, Flags);
>    EXPECT_EQ(Tag, N->getTag());
>    EXPECT_EQ(Scope, N->getScope());
>    EXPECT_EQ(Name, N->getName());
> @@ -1826,46 +1824,28 @@ TEST_F(MDLocalVariableTest, get) {
>    EXPECT_EQ(Type, N->getType());
>    EXPECT_EQ(Arg, N->getArg());
>    EXPECT_EQ(Flags, N->getFlags());
> -  EXPECT_EQ(InlinedAt, N->getInlinedAt());
>    EXPECT_EQ(N, MDLocalVariable::get(Context, Tag, Scope, Name, File,
> Line, Type,
> -                                    Arg, Flags, InlinedAt));
> +                                    Arg, Flags));
>
>    EXPECT_NE(N, MDLocalVariable::get(Context, dwarf::DW_TAG_auto_variable,
> Scope,
> -                                    Name, File, Line, Type, Arg, Flags,
> -                                    InlinedAt));
> +                                    Name, File, Line, Type, Arg, Flags));
>    EXPECT_NE(N, MDLocalVariable::get(Context, Tag, getSubprogram(), Name,
> File,
> -                                    Line, Type, Arg, Flags, InlinedAt));
> +                                    Line, Type, Arg, Flags));
>    EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, "other", File,
> Line,
> -                                    Type, Arg, Flags, InlinedAt));
> +                                    Type, Arg, Flags));
>    EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, getFile(),
> Line,
> -                                    Type, Arg, Flags, InlinedAt));
> +                                    Type, Arg, Flags));
>    EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line
> + 1,
> -                                    Type, Arg, Flags, InlinedAt));
> +                                    Type, Arg, Flags));
>    EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line,
> -                                    getDerivedType(), Arg, Flags,
> InlinedAt));
> +                                    getDerivedType(), Arg, Flags));
>    EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File,
> Line, Type,
> -                                    Arg + 1, Flags, InlinedAt));
> +                                    Arg + 1, Flags));
>    EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File,
> Line, Type,
> -                                    Arg, ~Flags, InlinedAt));
> -  EXPECT_NE(N, MDLocalVariable::get(
> -                   Context, Tag, Scope, Name, File, Line, Type, Arg,
> Flags,
> -                   MDLocation::getDistinct(Context, 10, 20,
> getSubprogram())));
> +                                    Arg, ~Flags));
>
>    TempMDLocalVariable Temp = N->clone();
>    EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
> -
> -  auto *Inlined = N->withoutInline();
> -  EXPECT_NE(N, Inlined);
> -  EXPECT_EQ(N->getTag(), Inlined->getTag());
> -  EXPECT_EQ(N->getScope(), Inlined->getScope());
> -  EXPECT_EQ(N->getName(), Inlined->getName());
> -  EXPECT_EQ(N->getFile(), Inlined->getFile());
> -  EXPECT_EQ(N->getLine(), Inlined->getLine());
> -  EXPECT_EQ(N->getType(), Inlined->getType());
> -  EXPECT_EQ(N->getArg(), Inlined->getArg());
> -  EXPECT_EQ(N->getFlags(), Inlined->getFlags());
> -  EXPECT_EQ(nullptr, Inlined->getInlinedAt());
> -  EXPECT_EQ(N, Inlined->withInline(cast<MDLocation>(InlinedAt)));
>  }
>
>  typedef MetadataTest MDExpressionTest;
>
>
> _______________________________________________
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> llvm-commits at cs.uiuc.edu
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