[llvm] r290153 - [IR] Remove the DIExpression field from DIGlobalVariable.

Mehdi Amini via llvm-commits llvm-commits at lists.llvm.org
Fri Dec 23 21:17:08 PST 2016


Hey Adrian,

Can you update llvm-bcanalyzer to account for METADATA_GLOBAL_VAR_EXPR?

Thanks,

Mehdi

> On Dec 19, 2016, at 6:09 PM, Adrian Prantl via llvm-commits <llvm-commits at lists.llvm.org> wrote:
> 
> Author: adrian
> Date: Mon Dec 19 20:09:43 2016
> New Revision: 290153
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=290153&view=rev
> Log:
> [IR] Remove the DIExpression field from DIGlobalVariable.
> 
> This patch implements PR31013 by introducing a
> DIGlobalVariableExpression that holds a pair of DIGlobalVariable and
> DIExpression.
> 
> Currently, DIGlobalVariables holds a DIExpression. This is not the
> best way to model this:
> 
> (1) The DIGlobalVariable should describe the source level variable,
>    not how to get to its location.
> 
> (2) It makes it unsafe/hard to update the expressions when we call
>    replaceExpression on the DIGLobalVariable.
> 
> (3) It makes it impossible to represent a global variable that is in
>    more than one location (e.g., a variable with multiple
>    DW_OP_LLVM_fragment-s).  We also moved away from attaching the
>    DIExpression to DILocalVariable for the same reasons.
> 
> This reapplies r289902 with additional testcase upgrades and a change
> to the Bitcode record for DIGlobalVariable, that makes upgrading the
> old format unambiguous also for variables without DIExpressions.
> 
> <rdar://problem/29250149>
> https://llvm.org/bugs/show_bug.cgi?id=31013
> Differential Revision: https://reviews.llvm.org/D26769
> 
> Added:
>    llvm/trunk/test/Assembler/DIGlobalVariableExpression.ll
>      - copied, changed from r290148, llvm/trunk/test/Assembler/diglobalvariable.ll
>    llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll
>    llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll.bc
>    llvm/trunk/test/DebugInfo/X86/split-global.ll
>    llvm/trunk/test/Verifier/diglobalvariable.ll
> Modified:
>    llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
>    llvm/trunk/include/llvm/IR/DIBuilder.h
>    llvm/trunk/include/llvm/IR/DebugInfo.h
>    llvm/trunk/include/llvm/IR/DebugInfoMetadata.h
>    llvm/trunk/include/llvm/IR/GlobalVariable.h
>    llvm/trunk/include/llvm/IR/Metadata.def
>    llvm/trunk/lib/Analysis/ModuleDebugInfoPrinter.cpp
>    llvm/trunk/lib/AsmParser/LLParser.cpp
>    llvm/trunk/lib/Bitcode/Reader/MetadataLoader.cpp
>    llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
>    llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
>    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
>    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
>    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
>    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h
>    llvm/trunk/lib/IR/AsmWriter.cpp
>    llvm/trunk/lib/IR/DIBuilder.cpp
>    llvm/trunk/lib/IR/DebugInfo.cpp
>    llvm/trunk/lib/IR/DebugInfoMetadata.cpp
>    llvm/trunk/lib/IR/LLVMContextImpl.h
>    llvm/trunk/lib/IR/Metadata.cpp
>    llvm/trunk/lib/IR/Verifier.cpp
>    llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp
>    llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
>    llvm/trunk/test/Assembler/diglobalvariable.ll
>    llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll
>    llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll.bc
>    llvm/trunk/test/Bitcode/dityperefs-3.8.ll
>    llvm/trunk/test/CodeGen/AArch64/arm64-2011-03-17-AsmPrinterCrash.ll
>    llvm/trunk/test/CodeGen/ARM/2010-06-25-Thumb2ITInvalidIterator.ll
>    llvm/trunk/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll
>    llvm/trunk/test/CodeGen/ARM/2011-08-02-MergedGlobalDbg.ll
>    llvm/trunk/test/CodeGen/ARM/coalesce-dbgvalue.ll
>    llvm/trunk/test/CodeGen/BPF/dwarfdump.ll
>    llvm/trunk/test/CodeGen/NVPTX/generic-to-nvvm-ir.ll
>    llvm/trunk/test/CodeGen/PowerPC/pr17168.ll
>    llvm/trunk/test/CodeGen/PowerPC/pr24546.ll
>    llvm/trunk/test/CodeGen/WebAssembly/dbgvalue.ll
>    llvm/trunk/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
>    llvm/trunk/test/CodeGen/X86/fp128-g.ll
>    llvm/trunk/test/CodeGen/X86/fpstack-debuginstr-kill.ll
>    llvm/trunk/test/CodeGen/X86/misched-code-difference-with-debug.ll
>    llvm/trunk/test/CodeGen/X86/null-streamer.ll
>    llvm/trunk/test/DebugInfo/AArch64/big-endian.ll
>    llvm/trunk/test/DebugInfo/AArch64/bitfields.ll
>    llvm/trunk/test/DebugInfo/AArch64/frameindices.ll
>    llvm/trunk/test/DebugInfo/ARM/big-endian-bitfield.ll
>    llvm/trunk/test/DebugInfo/ARM/bitfield.ll
>    llvm/trunk/test/DebugInfo/ARM/multiple-constant-uses-drops-dbgloc.ll
>    llvm/trunk/test/DebugInfo/ARM/tls.ll
>    llvm/trunk/test/DebugInfo/COFF/anonymous-struct.ll
>    llvm/trunk/test/DebugInfo/COFF/big-type.ll
>    llvm/trunk/test/DebugInfo/COFF/bitfields.ll
>    llvm/trunk/test/DebugInfo/COFF/enum.ll
>    llvm/trunk/test/DebugInfo/COFF/global-dllimport.ll
>    llvm/trunk/test/DebugInfo/COFF/globals-discarded.ll
>    llvm/trunk/test/DebugInfo/COFF/globals.ll
>    llvm/trunk/test/DebugInfo/COFF/inheritance.ll
>    llvm/trunk/test/DebugInfo/COFF/inlining-files.ll
>    llvm/trunk/test/DebugInfo/COFF/inlining-header.ll
>    llvm/trunk/test/DebugInfo/COFF/inlining-levels.ll
>    llvm/trunk/test/DebugInfo/COFF/int8-char-type.ll
>    llvm/trunk/test/DebugInfo/COFF/long-type-name.ll
>    llvm/trunk/test/DebugInfo/COFF/register-variables.ll
>    llvm/trunk/test/DebugInfo/COFF/scopes.ll
>    llvm/trunk/test/DebugInfo/COFF/types-array-advanced.ll
>    llvm/trunk/test/DebugInfo/COFF/types-nested-class.ll
>    llvm/trunk/test/DebugInfo/COFF/types-ptr-to-member.ll
>    llvm/trunk/test/DebugInfo/COFF/udts.ll
>    llvm/trunk/test/DebugInfo/COFF/virtual-method-kinds.ll
>    llvm/trunk/test/DebugInfo/COFF/vtable-optzn-array.ll
>    llvm/trunk/test/DebugInfo/Generic/2009-11-05-DeadGlobalVariable.ll
>    llvm/trunk/test/DebugInfo/Generic/2009-11-06-NamelessGlobalVariable.ll
>    llvm/trunk/test/DebugInfo/Generic/2010-06-29-InlinedFnLocalVar.ll
>    llvm/trunk/test/DebugInfo/Generic/accel-table-hash-collisions.ll
>    llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce-distinct.ll
>    llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce.ll
>    llvm/trunk/test/DebugInfo/Generic/dbg-at-specficiation.ll
>    llvm/trunk/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll
>    llvm/trunk/test/DebugInfo/Generic/dwarf-public-names.ll
>    llvm/trunk/test/DebugInfo/Generic/enum.ll
>    llvm/trunk/test/DebugInfo/Generic/global.ll
>    llvm/trunk/test/DebugInfo/Generic/gvn.ll
>    llvm/trunk/test/DebugInfo/Generic/member-pointers.ll
>    llvm/trunk/test/DebugInfo/Generic/namespace.ll
>    llvm/trunk/test/DebugInfo/Generic/recursive_inlining.ll
>    llvm/trunk/test/DebugInfo/Generic/template-recursive-void.ll
>    llvm/trunk/test/DebugInfo/Generic/tu-member-pointer.ll
>    llvm/trunk/test/DebugInfo/Generic/typedef.ll
>    llvm/trunk/test/DebugInfo/MIR/X86/live-debug-values.mir
>    llvm/trunk/test/DebugInfo/MIR/X86/mlicm-hoist.mir
>    llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll
>    llvm/trunk/test/DebugInfo/PowerPC/tls-fission.ll
>    llvm/trunk/test/DebugInfo/PowerPC/tls.ll
>    llvm/trunk/test/DebugInfo/WebAssembly/dbg-declare.ll
>    llvm/trunk/test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll
>    llvm/trunk/test/DebugInfo/X86/DIModuleContext.ll
>    llvm/trunk/test/DebugInfo/X86/DW_AT_calling-convention.ll
>    llvm/trunk/test/DebugInfo/X86/DW_AT_specification.ll
>    llvm/trunk/test/DebugInfo/X86/DW_TAG_friend.ll
>    llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll
>    llvm/trunk/test/DebugInfo/X86/PR26148.ll
>    llvm/trunk/test/DebugInfo/X86/align_c11.ll
>    llvm/trunk/test/DebugInfo/X86/align_cpp11.ll
>    llvm/trunk/test/DebugInfo/X86/align_objc.ll
>    llvm/trunk/test/DebugInfo/X86/arange-and-stub.ll
>    llvm/trunk/test/DebugInfo/X86/arange.ll
>    llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-4.ll
>    llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-5.ll
>    llvm/trunk/test/DebugInfo/X86/bitfields-dwarf4.ll
>    llvm/trunk/test/DebugInfo/X86/bitfields.ll
>    llvm/trunk/test/DebugInfo/X86/c-type-units.ll
>    llvm/trunk/test/DebugInfo/X86/concrete_out_of_line.ll
>    llvm/trunk/test/DebugInfo/X86/cu-ranges-odr.ll
>    llvm/trunk/test/DebugInfo/X86/data_member_location.ll
>    llvm/trunk/test/DebugInfo/X86/dbg-subrange.ll
>    llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
>    llvm/trunk/test/DebugInfo/X86/dbg-value-regmask-clobber.ll
>    llvm/trunk/test/DebugInfo/X86/debug-info-access.ll
>    llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll
>    llvm/trunk/test/DebugInfo/X86/debug-info-static-member.ll
>    llvm/trunk/test/DebugInfo/X86/debug-loc-frame.ll
>    llvm/trunk/test/DebugInfo/X86/debugger-tune.ll
>    llvm/trunk/test/DebugInfo/X86/decl-derived-member.ll
>    llvm/trunk/test/DebugInfo/X86/dllimport.ll
>    llvm/trunk/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll
>    llvm/trunk/test/DebugInfo/X86/dwarf-aranges.ll
>    llvm/trunk/test/DebugInfo/X86/dwarf-linkage-names.ll
>    llvm/trunk/test/DebugInfo/X86/dwarf-public-names.ll
>    llvm/trunk/test/DebugInfo/X86/empty-array.ll
>    llvm/trunk/test/DebugInfo/X86/enum-class.ll
>    llvm/trunk/test/DebugInfo/X86/enum-fwd-decl.ll
>    llvm/trunk/test/DebugInfo/X86/externaltyperef.ll
>    llvm/trunk/test/DebugInfo/X86/fission-cu.ll
>    llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll
>    llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll
>    llvm/trunk/test/DebugInfo/X86/inline-member-function.ll
>    llvm/trunk/test/DebugInfo/X86/inline-namespace.ll
>    llvm/trunk/test/DebugInfo/X86/inlined-indirect-value.ll
>    llvm/trunk/test/DebugInfo/X86/isel-cse-line.ll
>    llvm/trunk/test/DebugInfo/X86/linkage-name.ll
>    llvm/trunk/test/DebugInfo/X86/live-debug-values.ll
>    llvm/trunk/test/DebugInfo/X86/memberfnptr.ll
>    llvm/trunk/test/DebugInfo/X86/misched-dbg-value.ll
>    llvm/trunk/test/DebugInfo/X86/multiple-aranges.ll
>    llvm/trunk/test/DebugInfo/X86/multiple-at-const-val.ll
>    llvm/trunk/test/DebugInfo/X86/nondefault-subrange-array.ll
>    llvm/trunk/test/DebugInfo/X86/objc-fwd-decl.ll
>    llvm/trunk/test/DebugInfo/X86/pointer-type-size.ll
>    llvm/trunk/test/DebugInfo/X86/pr12831.ll
>    llvm/trunk/test/DebugInfo/X86/ref_addr_relocation.ll
>    llvm/trunk/test/DebugInfo/X86/stack-value-dwarf4.ll
>    llvm/trunk/test/DebugInfo/X86/static_member_array.ll
>    llvm/trunk/test/DebugInfo/X86/stringpool.ll
>    llvm/trunk/test/DebugInfo/X86/struct-loc.ll
>    llvm/trunk/test/DebugInfo/X86/template.ll
>    llvm/trunk/test/DebugInfo/X86/tls.ll
>    llvm/trunk/test/DebugInfo/X86/type_units_with_addresses.ll
>    llvm/trunk/test/DebugInfo/X86/unattached-global.ll
>    llvm/trunk/test/DebugInfo/X86/union-template.ll
>    llvm/trunk/test/DebugInfo/X86/vector.ll
>    llvm/trunk/test/Instrumentation/AddressSanitizer/debug-info-global-var.ll
>    llvm/trunk/test/LTO/X86/Inputs/type-mapping-src.ll
>    llvm/trunk/test/LTO/X86/type-mapping-bug.ll
>    llvm/trunk/test/Linker/2011-08-04-Metadata.ll
>    llvm/trunk/test/Linker/2011-08-04-Metadata2.ll
>    llvm/trunk/test/Linker/debug-info-global-var.ll
>    llvm/trunk/test/Linker/odr.ll
>    llvm/trunk/test/Linker/only-needed-debug-metadata.ll
>    llvm/trunk/test/ThinLTO/X86/Inputs/crash_debuginfo.ll
>    llvm/trunk/test/ThinLTO/X86/crash_debuginfo.ll
>    llvm/trunk/test/ThinLTO/X86/debuginfo-cu-import.ll
>    llvm/trunk/test/Transforms/GCOVProfiling/return-block.ll
>    llvm/trunk/test/Transforms/GlobalMerge/debug-info.ll
>    llvm/trunk/test/Transforms/GlobalOpt/2009-03-05-dbg.ll
>    llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll
>    llvm/trunk/test/Transforms/LoopVectorize/dbg.value.ll
>    llvm/trunk/test/Transforms/SampleProfile/cov-zero-samples.ll
>    llvm/trunk/test/Transforms/SimplifyCFG/PR27615-simplify-cond-br.ll
>    llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll
>    llvm/trunk/test/Transforms/StripSymbols/2010-08-25-crash.ll
>    llvm/trunk/test/Transforms/StripSymbols/strip-dead-debug-info.ll
>    llvm/trunk/test/Transforms/Util/strip-nonlinetable-debuginfo-containingtypes.ll
>    llvm/trunk/test/tools/llvm-objdump/Hexagon/source-interleave-hexagon.ll
>    llvm/trunk/test/tools/llvm-objdump/X86/source-interleave-x86_64.ll
>    llvm/trunk/unittests/IR/MetadataTest.cpp
> 
> Modified: llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h (original)
> +++ llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h Mon Dec 19 20:09:43 2016
> @@ -252,6 +252,7 @@ enum MetadataCodes {
>   METADATA_MACRO_FILE = 34,      // [distinct, macinfo, line, file, ...]
>   METADATA_STRINGS = 35,         // [count, offset] blob([lengths][chars])
>   METADATA_GLOBAL_DECL_ATTACHMENT = 36, // [valueid, n x [id, mdnode]]
> +  METADATA_GLOBAL_VAR_EXPR = 37, // [distinct, var, expr]
> };
> 
> // The constants block (CONSTANTS_BLOCK_ID) describes emission for each
> 
> Modified: llvm/trunk/include/llvm/IR/DIBuilder.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DIBuilder.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/DIBuilder.h (original)
> +++ llvm/trunk/include/llvm/IR/DIBuilder.h Mon Dec 19 20:09:43 2016
> @@ -449,8 +449,7 @@ namespace llvm {
>     /// implicitly uniques the values returned.
>     DISubrange *getOrCreateSubrange(int64_t Lo, int64_t Count);
> 
> -    /// Create a new descriptor for the specified
> -    /// variable.
> +    /// Create a new descriptor for the specified variable.
>     /// \param Context     Variable scope.
>     /// \param Name        Name of the variable.
>     /// \param LinkageName Mangled  name of the variable.
> @@ -464,20 +463,18 @@ namespace llvm {
>     /// \param Decl        Reference to the corresponding declaration.
>     /// \param AlignInBits Variable alignment(or 0 if no alignment attr was
>     ///                    specified)
> -    DIGlobalVariable *createGlobalVariable(DIScope *Context, StringRef Name,
> -                                           StringRef LinkageName, DIFile *File,
> -                                           unsigned LineNo, DIType *Ty,
> -                                           bool isLocalToUnit,
> -                                           DIExpression *Expr = nullptr,
> -                                           MDNode *Decl = nullptr,
> -                                           uint32_t AlignInBits = 0);
> +    DIGlobalVariableExpression *createGlobalVariableExpression(
> +        DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *File,
> +        unsigned LineNo, DIType *Ty, bool isLocalToUnit,
> +        DIExpression *Expr = nullptr, MDNode *Decl = nullptr,
> +        uint32_t AlignInBits = 0);
> 
>     /// Identical to createGlobalVariable
>     /// except that the resulting DbgNode is temporary and meant to be RAUWed.
>     DIGlobalVariable *createTempGlobalVariableFwdDecl(
>         DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *File,
> -        unsigned LineNo, DIType *Ty, bool isLocalToUnit, DIExpression *Expr,
> -        MDNode *Decl = nullptr, uint32_t AlignInBits = 0);
> +        unsigned LineNo, DIType *Ty, bool isLocalToUnit, MDNode *Decl = nullptr,
> +        uint32_t AlignInBits = 0);
> 
>     /// Create a new descriptor for an auto variable.  This is a local variable
>     /// that is not a subprogram parameter.
> 
> Modified: llvm/trunk/include/llvm/IR/DebugInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DebugInfo.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/DebugInfo.h (original)
> +++ llvm/trunk/include/llvm/IR/DebugInfo.h Mon Dec 19 20:09:43 2016
> @@ -89,7 +89,7 @@ private:
>   void processSubprogram(DISubprogram *SP);
>   void processScope(DIScope *Scope);
>   bool addCompileUnit(DICompileUnit *CU);
> -  bool addGlobalVariable(DIGlobalVariable *DIG);
> +  bool addGlobalVariable(DIGlobalVariableExpression *DIG);
>   bool addSubprogram(DISubprogram *SP);
>   bool addType(DIType *DT);
>   bool addScope(DIScope *Scope);
> @@ -98,8 +98,8 @@ public:
>   typedef SmallVectorImpl<DICompileUnit *>::const_iterator
>       compile_unit_iterator;
>   typedef SmallVectorImpl<DISubprogram *>::const_iterator subprogram_iterator;
> -  typedef SmallVectorImpl<DIGlobalVariable *>::const_iterator
> -      global_variable_iterator;
> +  typedef SmallVectorImpl<DIGlobalVariableExpression *>::const_iterator
> +      global_variable_expression_iterator;
>   typedef SmallVectorImpl<DIType *>::const_iterator type_iterator;
>   typedef SmallVectorImpl<DIScope *>::const_iterator scope_iterator;
> 
> @@ -111,7 +111,7 @@ public:
>     return make_range(SPs.begin(), SPs.end());
>   }
> 
> -  iterator_range<global_variable_iterator> global_variables() const {
> +  iterator_range<global_variable_expression_iterator> global_variables() const {
>     return make_range(GVs.begin(), GVs.end());
>   }
> 
> @@ -132,7 +132,7 @@ public:
> private:
>   SmallVector<DICompileUnit *, 8> CUs;
>   SmallVector<DISubprogram *, 8> SPs;
> -  SmallVector<DIGlobalVariable *, 8> GVs;
> +  SmallVector<DIGlobalVariableExpression *, 8> GVs;
>   SmallVector<DIType *, 8> TYs;
>   SmallVector<DIScope *, 8> Scopes;
>   SmallPtrSet<const MDNode *, 32> NodesSeen;
> 
> Modified: llvm/trunk/include/llvm/IR/DebugInfoMetadata.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DebugInfoMetadata.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/DebugInfoMetadata.h (original)
> +++ llvm/trunk/include/llvm/IR/DebugInfoMetadata.h Mon Dec 19 20:09:43 2016
> @@ -1038,7 +1038,8 @@ private:
>           StringRef Producer, bool IsOptimized, StringRef Flags,
>           unsigned RuntimeVersion, StringRef SplitDebugFilename,
>           unsigned EmissionKind, DICompositeTypeArray EnumTypes,
> -          DIScopeArray RetainedTypes, DIGlobalVariableArray GlobalVariables,
> +          DIScopeArray RetainedTypes,
> +          DIGlobalVariableExpressionArray GlobalVariables,
>           DIImportedEntityArray ImportedEntities, DIMacroNodeArray Macros,
>           uint64_t DWOId, bool SplitDebugInlining, StorageType Storage,
>           bool ShouldCreate = true) {
> @@ -1078,7 +1079,7 @@ public:
>        bool IsOptimized, StringRef Flags, unsigned RuntimeVersion,
>        StringRef SplitDebugFilename, DebugEmissionKind EmissionKind,
>        DICompositeTypeArray EnumTypes, DIScopeArray RetainedTypes,
> -       DIGlobalVariableArray GlobalVariables,
> +       DIGlobalVariableExpressionArray GlobalVariables,
>        DIImportedEntityArray ImportedEntities, DIMacroNodeArray Macros,
>        uint64_t DWOId, bool SplitDebugInlining),
>       (SourceLanguage, File, Producer, IsOptimized, Flags, RuntimeVersion,
> @@ -1113,7 +1114,7 @@ public:
>   DIScopeArray getRetainedTypes() const {
>     return cast_or_null<MDTuple>(getRawRetainedTypes());
>   }
> -  DIGlobalVariableArray getGlobalVariables() const {
> +  DIGlobalVariableExpressionArray getGlobalVariables() const {
>     return cast_or_null<MDTuple>(getRawGlobalVariables());
>   }
>   DIImportedEntityArray getImportedEntities() const {
> @@ -1152,7 +1153,7 @@ public:
>   void replaceRetainedTypes(DITypeArray N) {
>     replaceOperandWith(5, N.get());
>   }
> -  void replaceGlobalVariables(DIGlobalVariableArray N) {
> +  void replaceGlobalVariables(DIGlobalVariableExpressionArray N) {
>     replaceOperandWith(6, N.get());
>   }
>   void replaceImportedEntities(DIImportedEntityArray N) {
> @@ -1981,6 +1982,9 @@ public:
>   /// Return the size of this fragment in bits.
>   uint64_t getFragmentSizeInBits() const;
> 
> +  /// Determine whether this represents a standalone constant value.
> +  bool isConstant() const;
> +
>   typedef ArrayRef<uint64_t>::iterator element_iterator;
>   element_iterator elements_begin() const { return getElements().begin(); }
>   element_iterator elements_end() const { return getElements().end(); }
> @@ -2100,30 +2104,30 @@ class DIGlobalVariable : public DIVariab
>         IsLocalToUnit(IsLocalToUnit), IsDefinition(IsDefinition) {}
>   ~DIGlobalVariable() = default;
> 
> -  static DIGlobalVariable *
> -  getImpl(LLVMContext &Context, DIScope *Scope, StringRef Name,
> -          StringRef LinkageName, DIFile *File, unsigned Line, DITypeRef Type,
> -          bool IsLocalToUnit, bool IsDefinition, DIExpression *Expr,
> -          DIDerivedType *StaticDataMemberDeclaration, uint32_t AlignInBits,
> -          StorageType Storage, bool ShouldCreate = true) {
> +  static DIGlobalVariable *getImpl(LLVMContext &Context, DIScope *Scope,
> +                                   StringRef Name, StringRef LinkageName,
> +                                   DIFile *File, unsigned Line, DITypeRef Type,
> +                                   bool IsLocalToUnit, bool IsDefinition,
> +                                   DIDerivedType *StaticDataMemberDeclaration,
> +                                   uint32_t AlignInBits, StorageType Storage,
> +                                   bool ShouldCreate = true) {
>     return getImpl(Context, Scope, getCanonicalMDString(Context, Name),
>                    getCanonicalMDString(Context, LinkageName), File, Line, Type,
> -                   IsLocalToUnit, IsDefinition, Expr,
> -                   StaticDataMemberDeclaration, AlignInBits, Storage,
> -                   ShouldCreate);
> +                   IsLocalToUnit, IsDefinition, StaticDataMemberDeclaration,
> +                   AlignInBits, Storage, ShouldCreate);
>   }
>   static DIGlobalVariable *
>   getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
>           MDString *LinkageName, Metadata *File, unsigned Line, Metadata *Type,
> -          bool IsLocalToUnit, bool IsDefinition, Metadata *Expr,
> +          bool IsLocalToUnit, bool IsDefinition,
>           Metadata *StaticDataMemberDeclaration, uint32_t AlignInBits,
>           StorageType Storage, bool ShouldCreate = true);
> 
>   TempDIGlobalVariable cloneImpl() const {
>     return getTemporary(getContext(), getScope(), getName(), getLinkageName(),
>                         getFile(), getLine(), getType(), isLocalToUnit(),
> -                        isDefinition(), getExpr(),
> -                        getStaticDataMemberDeclaration(), getAlignInBits());
> +                        isDefinition(), getStaticDataMemberDeclaration(),
> +                        getAlignInBits());
>   }
> 
> public:
> @@ -2131,21 +2135,18 @@ public:
>                     (DIScope * Scope, StringRef Name, StringRef LinkageName,
>                      DIFile *File, unsigned Line, DITypeRef Type,
>                      bool IsLocalToUnit, bool IsDefinition,
> -                     DIExpression *Expr,
>                      DIDerivedType *StaticDataMemberDeclaration,
>                      uint32_t AlignInBits),
>                     (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
> -                     IsDefinition, Expr, StaticDataMemberDeclaration,
> -                     AlignInBits))
> +                     IsDefinition, StaticDataMemberDeclaration, AlignInBits))
>   DEFINE_MDNODE_GET(DIGlobalVariable,
>                     (Metadata * Scope, MDString *Name, MDString *LinkageName,
>                      Metadata *File, unsigned Line, Metadata *Type,
>                      bool IsLocalToUnit, bool IsDefinition,
> -                     Metadata *Expr, Metadata *StaticDataMemberDeclaration,
> +                     Metadata *StaticDataMemberDeclaration,
>                      uint32_t AlignInBits),
>                     (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
> -                     IsDefinition, Expr, StaticDataMemberDeclaration,
> -                     AlignInBits))
> +                     IsDefinition, StaticDataMemberDeclaration, AlignInBits))
> 
>   TempDIGlobalVariable clone() const { return cloneImpl(); }
> 
> @@ -2153,19 +2154,12 @@ public:
>   bool isDefinition() const { return IsDefinition; }
>   StringRef getDisplayName() const { return getStringOperand(4); }
>   StringRef getLinkageName() const { return getStringOperand(5); }
> -  DIExpression *getExpr() const {
> -    return cast_or_null<DIExpression>(getRawExpr());
> -  }
> -  void replaceExpr(DIExpression *E) {
> -    replaceOperandWith(6, E);
> -  }
>   DIDerivedType *getStaticDataMemberDeclaration() const {
>     return cast_or_null<DIDerivedType>(getRawStaticDataMemberDeclaration());
>   }
> 
>   MDString *getRawLinkageName() const { return getOperandAs<MDString>(5); }
> -  Metadata *getRawExpr() const { return getOperand(6); }
> -  Metadata *getRawStaticDataMemberDeclaration() const { return getOperand(7); }
> +  Metadata *getRawStaticDataMemberDeclaration() const { return getOperand(6); }
> 
>   static bool classof(const Metadata *MD) {
>     return MD->getMetadataID() == DIGlobalVariableKind;
> @@ -2391,6 +2385,45 @@ public:
>   }
> };
> 
> +/// A pair of DIGlobalVariable and DIExpression.
> +class DIGlobalVariableExpression : public MDNode {
> +  friend class LLVMContextImpl;
> +  friend class MDNode;
> +
> +  DIGlobalVariableExpression(LLVMContext &C, StorageType Storage,
> +                             ArrayRef<Metadata *> Ops)
> +      : MDNode(C, DIGlobalVariableExpressionKind, Storage, Ops) {}
> +  ~DIGlobalVariableExpression() = default;
> +
> +  static DIGlobalVariableExpression *
> +  getImpl(LLVMContext &Context, Metadata *Variable, Metadata *Expression,
> +          StorageType Storage, bool ShouldCreate = true);
> +
> +  TempDIGlobalVariableExpression cloneImpl() const {
> +    return getTemporary(getContext(), getVariable(), getExpression());
> +  }
> +
> +public:
> +  DEFINE_MDNODE_GET(DIGlobalVariableExpression,
> +                    (Metadata * Variable, Metadata *Expression),
> +                    (Variable, Expression))
> +
> +  TempDIGlobalVariableExpression clone() const { return cloneImpl(); }
> +
> +  Metadata *getRawVariable() const { return getOperand(0); }
> +  DIGlobalVariable *getVariable() const {
> +    return cast_or_null<DIGlobalVariable>(getRawVariable());
> +  }
> +  Metadata *getRawExpression() const { return getOperand(1); }
> +  DIExpression *getExpression() const {
> +    return cast_or_null<DIExpression>(getRawExpression());
> +  }
> +
> +  static bool classof(const Metadata *MD) {
> +    return MD->getMetadataID() == DIGlobalVariableExpressionKind;
> +  }
> +};
> +
> /// Macro Info DWARF-like metadata node.
> ///
> /// A metadata node with a DWARF macro info (i.e., a constant named
> 
> Modified: llvm/trunk/include/llvm/IR/GlobalVariable.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/GlobalVariable.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/GlobalVariable.h (original)
> +++ llvm/trunk/include/llvm/IR/GlobalVariable.h Mon Dec 19 20:09:43 2016
> @@ -20,6 +20,7 @@
> #ifndef LLVM_IR_GLOBALVARIABLE_H
> #define LLVM_IR_GLOBALVARIABLE_H
> 
> +#include "llvm/ADT/PointerUnion.h"
> #include "llvm/ADT/Twine.h"
> #include "llvm/ADT/ilist_node.h"
> #include "llvm/IR/GlobalObject.h"
> @@ -31,10 +32,11 @@
> namespace llvm {
> 
> class Constant;
> -class DIGlobalVariable;
> class Module;
> 
> template <typename ValueSubClass> class SymbolTableListTraits;
> +class DIGlobalVariable;
> +class DIGlobalVariableExpression;
> 
> class GlobalVariable : public GlobalObject, public ilist_node<GlobalVariable> {
>   friend class SymbolTableListTraits<GlobalVariable>;
> @@ -170,8 +172,11 @@ public:
>   /// drops not only the reference to the initializer but also to any metadata.
>   void dropAllReferences();
> 
> -  void addDebugInfo(DIGlobalVariable *GV);
> -  void getDebugInfo(SmallVectorImpl<DIGlobalVariable *> &GVs) const;
> +  /// Attach a DIGlobalVariableExpression.
> +  void addDebugInfo(DIGlobalVariableExpression *GV);
> +
> +  /// Fill the vector with all debug info attachements.
> +  void getDebugInfo(SmallVectorImpl<DIGlobalVariableExpression *> &GVs) const;
> 
>   // Methods for support type inquiry through isa, cast, and dyn_cast:
>   static inline bool classof(const Value *V) {
> 
> Modified: llvm/trunk/include/llvm/IR/Metadata.def
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/Metadata.def?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/Metadata.def (original)
> +++ llvm/trunk/include/llvm/IR/Metadata.def Mon Dec 19 20:09:43 2016
> @@ -82,6 +82,7 @@ HANDLE_MDNODE_BRANCH(MDNode)
> HANDLE_MDNODE_LEAF_UNIQUABLE(MDTuple)
> HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DILocation)
> HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DIExpression)
> +HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DIGlobalVariableExpression)
> HANDLE_SPECIALIZED_MDNODE_BRANCH(DINode)
> HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(GenericDINode)
> HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DISubrange)
> 
> Modified: llvm/trunk/lib/Analysis/ModuleDebugInfoPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ModuleDebugInfoPrinter.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Analysis/ModuleDebugInfoPrinter.cpp (original)
> +++ llvm/trunk/lib/Analysis/ModuleDebugInfoPrinter.cpp Mon Dec 19 20:09:43 2016
> @@ -91,7 +91,8 @@ void ModuleDebugInfoPrinter::print(raw_o
>     O << '\n';
>   }
> 
> -  for (const DIGlobalVariable *GV : Finder.global_variables()) {
> +  for (auto GVU : Finder.global_variables()) {
> +    const auto *GV = GVU->getVariable();
>     O << "Global variable: " << GV->getName();
>     printFile(O, GV->getFilename(), GV->getDirectory(), GV->getLine());
>     if (!GV->getLinkageName().empty())
> 
> Modified: llvm/trunk/lib/AsmParser/LLParser.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLParser.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/AsmParser/LLParser.cpp (original)
> +++ llvm/trunk/lib/AsmParser/LLParser.cpp Mon Dec 19 20:09:43 2016
> @@ -4197,8 +4197,7 @@ bool LLParser::ParseDITemplateValueParam
> /// ParseDIGlobalVariable:
> ///   ::= !DIGlobalVariable(scope: !0, name: "foo", linkageName: "foo",
> ///                         file: !1, line: 7, type: !2, isLocal: false,
> -///                         isDefinition: true, variable: i32* @foo,
> -///                         declaration: !3, align: 8)
> +///                         isDefinition: true, declaration: !3, align: 8)
> bool LLParser::ParseDIGlobalVariable(MDNode *&Result, bool IsDistinct) {
> #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)                                    \
>   REQUIRED(name, MDStringField, (/* AllowEmpty */ false));                     \
> @@ -4209,7 +4208,6 @@ bool LLParser::ParseDIGlobalVariable(MDN
>   OPTIONAL(type, MDField, );                                                   \
>   OPTIONAL(isLocal, MDBoolField, );                                            \
>   OPTIONAL(isDefinition, MDBoolField, (true));                                 \
> -  OPTIONAL(expr, MDField, );                                                   \
>   OPTIONAL(declaration, MDField, );                                            \
>   OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX));
>   PARSE_MD_FIELDS();
> @@ -4218,8 +4216,7 @@ bool LLParser::ParseDIGlobalVariable(MDN
>   Result = GET_OR_DISTINCT(DIGlobalVariable,
>                            (Context, scope.Val, name.Val, linkageName.Val,
>                             file.Val, line.Val, type.Val, isLocal.Val,
> -                            isDefinition.Val, expr.Val, declaration.Val,
> -                            align.Val));
> +                            isDefinition.Val, declaration.Val, align.Val));
>   return false;
> }
> 
> @@ -4287,6 +4284,21 @@ bool LLParser::ParseDIExpression(MDNode
>   return false;
> }
> 
> +/// ParseDIGlobalVariableExpression:
> +///   ::= !DIGlobalVariableExpression(var: !0, expr: !1)
> +bool LLParser::ParseDIGlobalVariableExpression(MDNode *&Result,
> +                                               bool IsDistinct) {
> +#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)                                    \
> +  REQUIRED(var, MDField, );                                                    \
> +  OPTIONAL(expr, MDField, );
> +  PARSE_MD_FIELDS();
> +#undef VISIT_MD_FIELDS
> +
> +  Result =
> +      GET_OR_DISTINCT(DIGlobalVariableExpression, (Context, var.Val, expr.Val));
> +  return false;
> +}
> +
> /// ParseDIObjCProperty:
> ///   ::= !DIObjCProperty(name: "foo", file: !1, line: 7, setter: "setFoo",
> ///                       getter: "getFoo", attributes: 7, type: !2)
> 
> Modified: llvm/trunk/lib/Bitcode/Reader/MetadataLoader.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Reader/MetadataLoader.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Bitcode/Reader/MetadataLoader.cpp (original)
> +++ llvm/trunk/lib/Bitcode/Reader/MetadataLoader.cpp Mon Dec 19 20:09:43 2016
> @@ -980,41 +980,55 @@ Error MetadataLoader::MetadataLoaderImpl
>       if (Record.size() < 11 || Record.size() > 12)
>         return error("Invalid record");
> 
> -      IsDistinct = Record[0];
> +      IsDistinct = Record[0] & 1;
> +      unsigned Version = Record[0] >> 1;
> 
> -      // Upgrade old metadata, which stored a global variable reference or a
> -      // ConstantInt here.
> -      Metadata *Expr = getMDOrNull(Record[9]);
> -      uint32_t AlignInBits = 0;
> -      if (Record.size() > 11) {
> -        if (Record[11] > (uint64_t)std::numeric_limits<uint32_t>::max())
> -          return error("Alignment value is too large");
> -        AlignInBits = Record[11];
> -      }
> -      GlobalVariable *Attach = nullptr;
> -      if (auto *CMD = dyn_cast_or_null<ConstantAsMetadata>(Expr)) {
> -        if (auto *GV = dyn_cast<GlobalVariable>(CMD->getValue())) {
> -          Attach = GV;
> -          Expr = nullptr;
> -        } else if (auto *CI = dyn_cast<ConstantInt>(CMD->getValue())) {
> -          Expr = DIExpression::get(Context,
> -                                   {dwarf::DW_OP_constu, CI->getZExtValue(),
> -                                    dwarf::DW_OP_stack_value});
> -        } else {
> -          Expr = nullptr;
> +      if (Version == 1) {
> +        MetadataList.assignValue(
> +            GET_OR_DISTINCT(DIGlobalVariable,
> +                            (Context, getMDOrNull(Record[1]),
> +                             getMDString(Record[2]), getMDString(Record[3]),
> +                             getMDOrNull(Record[4]), Record[5],
> +                             getDITypeRefOrNull(Record[6]), Record[7],
> +                             Record[8], getMDOrNull(Record[10]), Record[11])),
> +            NextMetadataNo++);
> +      } else if (Version == 0) {
> +        // Upgrade old metadata, which stored a global variable reference or a
> +        // ConstantInt here.
> +        Metadata *Expr = getMDOrNull(Record[9]);
> +        uint32_t AlignInBits = 0;
> +        if (Record.size() > 11) {
> +          if (Record[11] > (uint64_t)std::numeric_limits<uint32_t>::max())
> +            return error("Alignment value is too large");
> +          AlignInBits = Record[11];
>         }
> -      }
> -
> -      DIGlobalVariable *DGV = GET_OR_DISTINCT(
> -          DIGlobalVariable,
> -          (Context, getMDOrNull(Record[1]), getMDString(Record[2]),
> -           getMDString(Record[3]), getMDOrNull(Record[4]), Record[5],
> -           getDITypeRefOrNull(Record[6]), Record[7], Record[8], Expr,
> -           getMDOrNull(Record[10]), AlignInBits));
> -      MetadataList.assignValue(DGV, NextMetadataNo++);
> -
> -      if (Attach)
> -        Attach->addDebugInfo(DGV);
> +        GlobalVariable *Attach = nullptr;
> +        if (auto *CMD = dyn_cast_or_null<ConstantAsMetadata>(Expr)) {
> +          if (auto *GV = dyn_cast<GlobalVariable>(CMD->getValue())) {
> +            Attach = GV;
> +            Expr = nullptr;
> +          } else if (auto *CI = dyn_cast<ConstantInt>(CMD->getValue())) {
> +            Expr = DIExpression::get(Context,
> +                                     {dwarf::DW_OP_constu, CI->getZExtValue(),
> +                                      dwarf::DW_OP_stack_value});
> +          } else {
> +            Expr = nullptr;
> +          }
> +        }
> +        DIGlobalVariable *DGV = GET_OR_DISTINCT(
> +            DIGlobalVariable,
> +            (Context, getMDOrNull(Record[1]), getMDString(Record[2]),
> +             getMDString(Record[3]), getMDOrNull(Record[4]), Record[5],
> +             getDITypeRefOrNull(Record[6]), Record[7], Record[8],
> +             getMDOrNull(Record[10]), AlignInBits));
> +
> +        auto *DGVE =
> +            DIGlobalVariableExpression::getDistinct(Context, DGV, Expr);
> +        MetadataList.assignValue(DGVE, NextMetadataNo++);
> +        if (Attach)
> +          Attach->addDebugInfo(DGVE);
> +      } else
> +        return error("Invalid record");
> 
>       break;
>     }
> @@ -1064,6 +1078,17 @@ Error MetadataLoader::MetadataLoaderImpl
>           NextMetadataNo++);
>       break;
>     }
> +    case bitc::METADATA_GLOBAL_VAR_EXPR: {
> +      if (Record.size() != 3)
> +        return error("Invalid record");
> +
> +      IsDistinct = Record[0];
> +      MetadataList.assignValue(GET_OR_DISTINCT(DIGlobalVariableExpression,
> +                                               (Context, getMDOrNull(Record[1]),
> +                                                getMDOrNull(Record[2]))),
> +                               NextMetadataNo++);
> +      break;
> +    }
>     case bitc::METADATA_OBJC_PROPERTY: {
>       if (Record.size() != 8)
>         return error("Invalid record");
> 
> Modified: llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp (original)
> +++ llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp Mon Dec 19 20:09:43 2016
> @@ -210,6 +210,9 @@ private:
>                             SmallVectorImpl<uint64_t> &Record, unsigned Abbrev);
>   void writeDIExpression(const DIExpression *N,
>                          SmallVectorImpl<uint64_t> &Record, unsigned Abbrev);
> +  void writeDIGlobalVariableExpression(const DIGlobalVariableExpression *N,
> +                                       SmallVectorImpl<uint64_t> &Record,
> +                                       unsigned Abbrev);
>   void writeDIObjCProperty(const DIObjCProperty *N,
>                            SmallVectorImpl<uint64_t> &Record, unsigned Abbrev);
>   void writeDIImportedEntity(const DIImportedEntity *N,
> @@ -1674,7 +1677,8 @@ void ModuleBitcodeWriter::writeDITemplat
> void ModuleBitcodeWriter::writeDIGlobalVariable(
>     const DIGlobalVariable *N, SmallVectorImpl<uint64_t> &Record,
>     unsigned Abbrev) {
> -  Record.push_back(N->isDistinct());
> +  const uint64_t Version = 1 << 1;
> +  Record.push_back((uint64_t)N->isDistinct() | Version);
>   Record.push_back(VE.getMetadataOrNullID(N->getScope()));
>   Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
>   Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName()));
> @@ -1683,7 +1687,7 @@ void ModuleBitcodeWriter::writeDIGlobalV
>   Record.push_back(VE.getMetadataOrNullID(N->getType()));
>   Record.push_back(N->isLocalToUnit());
>   Record.push_back(N->isDefinition());
> -  Record.push_back(VE.getMetadataOrNullID(N->getRawExpr()));
> +  Record.push_back(/* expr */ 0);
>   Record.push_back(VE.getMetadataOrNullID(N->getStaticDataMemberDeclaration()));
>   Record.push_back(N->getAlignInBits());
> 
> @@ -1735,6 +1739,17 @@ void ModuleBitcodeWriter::writeDIExpress
>   Record.clear();
> }
> 
> +void ModuleBitcodeWriter::writeDIGlobalVariableExpression(
> +    const DIGlobalVariableExpression *N, SmallVectorImpl<uint64_t> &Record,
> +    unsigned Abbrev) {
> +  Record.push_back(N->isDistinct());
> +  Record.push_back(VE.getMetadataOrNullID(N->getVariable()));
> +  Record.push_back(VE.getMetadataOrNullID(N->getExpression()));
> +  
> +  Stream.EmitRecord(bitc::METADATA_GLOBAL_VAR_EXPR, Record, Abbrev);
> +  Record.clear();
> +}
> +
> void ModuleBitcodeWriter::writeDIObjCProperty(const DIObjCProperty *N,
>                                               SmallVectorImpl<uint64_t> &Record,
>                                               unsigned Abbrev) {
> 
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp Mon Dec 19 20:09:43 2016
> @@ -2185,12 +2185,13 @@ void CodeViewDebug::emitDebugInfoForUDTs
> }
> 
> void CodeViewDebug::emitDebugInfoForGlobals() {
> -  DenseMap<const DIGlobalVariable *, const GlobalVariable *> GlobalMap;
> +  DenseMap<const DIGlobalVariableExpression *, const GlobalVariable *>
> +      GlobalMap;
>   for (const GlobalVariable &GV : MMI->getModule()->globals()) {
> -    SmallVector<MDNode *, 1> MDs;
> -    GV.getMetadata(LLVMContext::MD_dbg, MDs);
> -    for (MDNode *MD : MDs)
> -      GlobalMap[cast<DIGlobalVariable>(MD)] = &GV;
> +    SmallVector<DIGlobalVariableExpression *, 1> GVEs;
> +    GV.getDebugInfo(GVEs);
> +    for (const auto *GVE : GVEs)
> +      GlobalMap[GVE] = &GV;
>   }
> 
>   NamedMDNode *CUs = MMI->getModule()->getNamedMetadata("llvm.dbg.cu");
> @@ -2202,14 +2203,15 @@ void CodeViewDebug::emitDebugInfoForGlob
>     // it if we have at least one global to emit.
>     switchToDebugSectionForSymbol(nullptr);
>     MCSymbol *EndLabel = nullptr;
> -    for (const DIGlobalVariable *G : CU->getGlobalVariables()) {
> -      if (const auto *GV = GlobalMap.lookup(G))
> +    for (const auto *GVE : CU->getGlobalVariables()) {
> +      if (const auto *GV = GlobalMap.lookup(GVE))
>         if (!GV->hasComdat() && !GV->isDeclarationForLinker()) {
>           if (!EndLabel) {
>             OS.AddComment("Symbol subsection for globals");
>             EndLabel = beginCVSubsection(ModuleSubstreamKind::Symbols);
>           }
> -          emitDebugInfoForGlobal(G, GV, Asm->getSymbol(GV));
> +          // FIXME: emitDebugInfoForGlobal() doesn't handle DIExpressions.
> +          emitDebugInfoForGlobal(GVE->getVariable(), GV, Asm->getSymbol(GV));
>         }
>     }
>     if (EndLabel)
> @@ -2217,15 +2219,16 @@ void CodeViewDebug::emitDebugInfoForGlob
> 
>     // Second, emit each global that is in a comdat into its own .debug$S
>     // section along with its own symbol substream.
> -    for (const DIGlobalVariable *G : CU->getGlobalVariables()) {
> -      if (const auto *GV = GlobalMap.lookup(G)) {
> +    for (const auto *GVE : CU->getGlobalVariables()) {
> +      if (const auto *GV = GlobalMap.lookup(GVE)) {
>         if (GV->hasComdat()) {
>           MCSymbol *GVSym = Asm->getSymbol(GV);
>           OS.AddComment("Symbol subsection for " +
>                         Twine(GlobalValue::getRealLinkageName(GV->getName())));
>           switchToDebugSectionForSymbol(GVSym);
>           EndLabel = beginCVSubsection(ModuleSubstreamKind::Symbols);
> -          emitDebugInfoForGlobal(G, GV, GVSym);
> +          // FIXME: emitDebugInfoForGlobal() doesn't handle DIExpressions.
> +          emitDebugInfoForGlobal(GVE->getVariable(), GV, GVSym);
>           endCVSubsection(EndLabel);
>         }
>       }
> 
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp Mon Dec 19 20:09:43 2016
> @@ -73,9 +73,8 @@ unsigned DwarfCompileUnit::getOrCreateSo
>       Asm->OutStreamer->hasRawTextSupport() ? 0 : getUniqueID());
> }
> 
> -/// getOrCreateGlobalVariableDIE - get or create global variable DIE.
> DIE *DwarfCompileUnit::getOrCreateGlobalVariableDIE(
> -    const DIGlobalVariable *GV, const GlobalVariable *Global) {
> +    const DIGlobalVariable *GV, ArrayRef<GlobalExpr> GlobalExprs) {
>   // Check for pre-existence.
>   if (DIE *Die = getDIE(GV))
>     return Die;
> @@ -128,69 +127,76 @@ DIE *DwarfCompileUnit::getOrCreateGlobal
> 
>   // Add location.
>   bool addToAccelTable = false;
> -
> -  DIExpression *Expr = GV->getExpr();
> -
> -  // For compatibility with DWARF 3 and earlier,
> -  // DW_AT_location(DW_OP_constu, X, DW_OP_stack_value) becomes
> -  // DW_AT_const_value(X).
> -  if (Expr && Expr->getNumElements() == 3 &&
> -      Expr->getElement(0) == dwarf::DW_OP_constu &&
> -      Expr->getElement(2) == dwarf::DW_OP_stack_value) {
> -    addConstantValue(*VariableDIE, /*Unsigned=*/true, Expr->getElement(1));
> -    // We cannot describe the location of dllimport'd variables: the computation
> -    // of their address requires loads from the IAT.
> -  } else if (!Global || !Global->hasDLLImportStorageClass()) {
> -    DIELoc *Loc = new (DIEValueAllocator) DIELoc;
> -    if (Global) {
> +  DIELoc *Loc = nullptr;
> +  std::unique_ptr<DIEDwarfExpression> DwarfExpr;
> +  bool AllConstant = std::all_of(
> +      GlobalExprs.begin(), GlobalExprs.end(),
> +      [&](const GlobalExpr GE) {
> +        return GE.Expr && GE.Expr->isConstant();
> +      });
> +
> +  for (const auto &GE : GlobalExprs) {
> +    const GlobalVariable *Global = GE.Var;
> +    const DIExpression *Expr = GE.Expr;
> +    // For compatibility with DWARF 3 and earlier,
> +    // DW_AT_location(DW_OP_constu, X, DW_OP_stack_value) becomes
> +    // DW_AT_const_value(X).
> +    if (GlobalExprs.size() == 1 && Expr && Expr->isConstant()) {
> +      addConstantValue(*VariableDIE, /*Unsigned=*/true, Expr->getElement(1));
> +      // We cannot describe the location of dllimport'd variables: the
> +      // computation of their address requires loads from the IAT.
> +    } else if ((Global && !Global->hasDLLImportStorageClass()) || AllConstant) {
> +      if (!Loc) {
> +        Loc = new (DIEValueAllocator) DIELoc;
> +        DwarfExpr = llvm::make_unique<DIEDwarfExpression>(*Asm, *this, *Loc);
> +      }
>       addToAccelTable = true;
> -      const MCSymbol *Sym = Asm->getSymbol(Global);
> -      if (Global->isThreadLocal()) {
> -        if (Asm->TM.Options.EmulatedTLS) {
> -          // TODO: add debug info for emulated thread local mode.
> -        } else {
> -          // FIXME: Make this work with -gsplit-dwarf.
> -          unsigned PointerSize = Asm->getDataLayout().getPointerSize();
> -          assert((PointerSize == 4 || PointerSize == 8) &&
> -                 "Add support for other sizes if necessary");
> -          // Based on GCC's support for TLS:
> -          if (!DD->useSplitDwarf()) {
> -            // 1) Start with a constNu of the appropriate pointer size
> -            addUInt(*Loc, dwarf::DW_FORM_data1, PointerSize == 4
> -                                                    ? dwarf::DW_OP_const4u
> -                                                    : dwarf::DW_OP_const8u);
> -            // 2) containing the (relocated) offset of the TLS variable
> -            //    within the module's TLS block.
> -            addExpr(*Loc, dwarf::DW_FORM_udata,
> -                    Asm->getObjFileLowering().getDebugThreadLocalSymbol(Sym));
> +      if (Global) {
> +        const MCSymbol *Sym = Asm->getSymbol(Global);
> +        if (Global->isThreadLocal()) {
> +          if (Asm->TM.Options.EmulatedTLS) {
> +            // TODO: add debug info for emulated thread local mode.
>           } else {
> -            addUInt(*Loc, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_const_index);
> -            addUInt(*Loc, dwarf::DW_FORM_udata,
> -                    DD->getAddressPool().getIndex(Sym, /* TLS */ true));
> +            // FIXME: Make this work with -gsplit-dwarf.
> +            unsigned PointerSize = Asm->getDataLayout().getPointerSize();
> +            assert((PointerSize == 4 || PointerSize == 8) &&
> +                   "Add support for other sizes if necessary");
> +            // Based on GCC's support for TLS:
> +            if (!DD->useSplitDwarf()) {
> +              // 1) Start with a constNu of the appropriate pointer size
> +              addUInt(*Loc, dwarf::DW_FORM_data1,
> +                      PointerSize == 4 ? dwarf::DW_OP_const4u
> +                                       : dwarf::DW_OP_const8u);
> +              // 2) containing the (relocated) offset of the TLS variable
> +              //    within the module's TLS block.
> +              addExpr(*Loc, dwarf::DW_FORM_udata,
> +                      Asm->getObjFileLowering().getDebugThreadLocalSymbol(Sym));
> +            } else {
> +              addUInt(*Loc, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_const_index);
> +              addUInt(*Loc, dwarf::DW_FORM_udata,
> +                      DD->getAddressPool().getIndex(Sym, /* TLS */ true));
> +            }
> +            // 3) followed by an OP to make the debugger do a TLS lookup.
> +            addUInt(*Loc, dwarf::DW_FORM_data1,
> +                    DD->useGNUTLSOpcode() ? dwarf::DW_OP_GNU_push_tls_address
> +                                          : dwarf::DW_OP_form_tls_address);
>           }
> -          // 3) followed by an OP to make the debugger do a TLS lookup.
> -          addUInt(*Loc, dwarf::DW_FORM_data1,
> -                  DD->useGNUTLSOpcode() ? dwarf::DW_OP_GNU_push_tls_address
> -                                        : dwarf::DW_OP_form_tls_address);
> +        } else {
> +          DD->addArangeLabel(SymbolCU(this, Sym));
> +          addOpAddress(*Loc, Sym);
>         }
> -      } else {
> -        DD->addArangeLabel(SymbolCU(this, Sym));
> -        addOpAddress(*Loc, Sym);
>       }
> -
>       if (Expr) {
> -        DIEDwarfExpression DwarfExpr(*Asm, *this, *Loc);
> -        DwarfExpr.addFragmentOffset(Expr);
> -        DwarfExpr.AddExpression(Expr);
> -        DwarfExpr.finalize();
> +        DwarfExpr->addFragmentOffset(Expr);
> +        DwarfExpr->AddExpression(Expr);
>       }
>     }
> -
> -    addBlock(*VariableDIE, dwarf::DW_AT_location, Loc);
> -
> -    if (DD->useAllLinkageNames())
> -      addLinkageName(*VariableDIE, GV->getLinkageName());
>   }
> +  if (Loc)
> +    addBlock(*VariableDIE, dwarf::DW_AT_location, DwarfExpr->finalize());
> +
> +  if (DD->useAllLinkageNames())
> +    addLinkageName(*VariableDIE, GV->getLinkageName());
> 
>   if (addToAccelTable) {
>     DD->addAccelName(GV->getName(), *VariableDIE);
> @@ -503,8 +509,7 @@ DIE *DwarfCompileUnit::constructVariable
>         DwarfExpr.addFragmentOffset(Expr);
>         DwarfExpr.AddUnsignedConstant(DVInsn->getOperand(0).getImm());
>         DwarfExpr.AddExpression(Expr);
> -        DwarfExpr.finalize();
> -        addBlock(*VariableDie, dwarf::DW_AT_location, Loc);
> +        addBlock(*VariableDie, dwarf::DW_AT_location, DwarfExpr.finalize());
>       } else
>         addConstantValue(*VariableDie, DVInsn->getOperand(0), DV.getType());
>     } else if (DVInsn->getOperand(0).isFPImm())
> @@ -534,8 +539,7 @@ DIE *DwarfCompileUnit::constructVariable
>     DwarfExpr.AddExpression(*Expr);
>     ++Expr;
>   }
> -  DwarfExpr.finalize();
> -  addBlock(*VariableDie, dwarf::DW_AT_location, Loc);
> +  addBlock(*VariableDie, dwarf::DW_AT_location, DwarfExpr.finalize());
> 
>   return VariableDie;
> }
> @@ -654,7 +658,7 @@ DIE *DwarfCompileUnit::constructImported
>   else if (auto *T = dyn_cast<DIType>(Entity))
>     EntityDie = getOrCreateTypeDIE(T);
>   else if (auto *GV = dyn_cast<DIGlobalVariable>(Entity))
> -    EntityDie = getOrCreateGlobalVariableDIE(GV, nullptr);
> +    EntityDie = getOrCreateGlobalVariableDIE(GV, {});
>   else
>     EntityDie = getDIE(Entity);
>   assert(EntityDie);
> @@ -740,10 +744,8 @@ void DwarfCompileUnit::addAddress(DIE &D
>   if (!validReg)
>     return;
> 
> -  Expr.finalize();
> -
>   // Now attach the location information to the DIE.
> -  addBlock(Die, Attribute, Loc);
> +  addBlock(Die, Attribute, Expr.finalize());
> }
> 
> /// Start with the address based on the location provided, and generate the
> 
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h Mon Dec 19 20:09:43 2016
> @@ -91,9 +91,16 @@ public:
>   /// Apply the DW_AT_stmt_list from this compile unit to the specified DIE.
>   void applyStmtList(DIE &D);
> 
> -  /// getOrCreateGlobalVariableDIE - get or create global variable DIE.
> -  DIE *getOrCreateGlobalVariableDIE(const DIGlobalVariable *GV,
> -                                    const GlobalVariable *Global);
> +  /// A pair of GlobalVariable and DIExpression.
> +  struct GlobalExpr {
> +    const GlobalVariable *Var;
> +    const DIExpression *Expr;
> +  };
> +
> +  /// Get or create global variable DIE.
> +  DIE *
> +  getOrCreateGlobalVariableDIE(const DIGlobalVariable *GV,
> +                               ArrayRef<GlobalExpr> GlobalExprs);
> 
>   /// addLabelAddress - Add a dwarf label attribute data and value using
>   /// either DW_FORM_addr or DW_FORM_GNU_addr_index.
> 
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Mon Dec 19 20:09:43 2016
> @@ -464,6 +464,26 @@ void DwarfDebug::constructAndAddImported
>     D->addChild(TheCU.constructImportedEntityDIE(N));
> }
> 
> +/// Sort and unique GVEs by comparing their fragment offset.
> +static SmallVectorImpl<DwarfCompileUnit::GlobalExpr> &
> +sortGlobalExprs(SmallVectorImpl<DwarfCompileUnit::GlobalExpr> &GVEs) {
> +  std::sort(GVEs.begin(), GVEs.end(),
> +            [](DwarfCompileUnit::GlobalExpr A, DwarfCompileUnit::GlobalExpr B) {
> +              if (A.Expr != B.Expr && A.Expr && B.Expr &&
> +                  A.Expr->isFragment() && B.Expr->isFragment())
> +                return A.Expr->getFragmentOffsetInBits() <
> +                       B.Expr->getFragmentOffsetInBits();
> +              return false;
> +            });
> +  GVEs.erase(std::unique(GVEs.begin(), GVEs.end(),
> +                         [](DwarfCompileUnit::GlobalExpr A,
> +                            DwarfCompileUnit::GlobalExpr B) {
> +                           return A.Expr == B.Expr;
> +                         }),
> +             GVEs.end());
> +  return GVEs;
> +}
> +
> // Emit all Dwarf sections that should come prior to the content. Create
> // global DIEs and emit initial debug info sections. This is invoked by
> // the target AsmPrinter.
> @@ -480,21 +500,30 @@ void DwarfDebug::beginModule() {
>   // Tell MMI whether we have debug info.
>   MMI->setDebugInfoAvailability(NumDebugCUs > 0);
>   SingleCU = NumDebugCUs == 1;
> -
> -  DenseMap<DIGlobalVariable *, const GlobalVariable *> GVMap;
> +  DenseMap<DIGlobalVariable *, SmallVector<DwarfCompileUnit::GlobalExpr, 1>>
> +      GVMap;
>   for (const GlobalVariable &Global : M->globals()) {
> -    SmallVector<DIGlobalVariable *, 1> GVs;
> +    SmallVector<DIGlobalVariableExpression *, 1> GVs;
>     Global.getDebugInfo(GVs);
> -    for (auto &GV : GVs)
> -      GVMap[GV] = &Global;
> +    for (auto *GVE : GVs)
> +      GVMap[GVE->getVariable()].push_back({&Global, GVE->getExpression()});
>   }
> 
>   for (DICompileUnit *CUNode : M->debug_compile_units()) {
>     DwarfCompileUnit &CU = constructDwarfCompileUnit(CUNode);
>     for (auto *IE : CUNode->getImportedEntities())
>       CU.addImportedEntity(IE);
> -    for (auto *GV : CUNode->getGlobalVariables())
> -      CU.getOrCreateGlobalVariableDIE(GV, GVMap.lookup(GV));
> +
> +    // Global Variables.
> +    for (auto *GVE : CUNode->getGlobalVariables())
> +      GVMap[GVE->getVariable()].push_back({nullptr, GVE->getExpression()});
> +    DenseSet<DIGlobalVariable *> Processed;
> +    for (auto *GVE : CUNode->getGlobalVariables()) {
> +      DIGlobalVariable *GV = GVE->getVariable();
> +      if (Processed.insert(GV).second)
> +        CU.getOrCreateGlobalVariableDIE(GV, sortGlobalExprs(GVMap[GV]));
> +    }
> +
>     for (auto *Ty : CUNode->getEnumTypes()) {
>       // The enum types array by design contains pointers to
>       // MDNodes rather than DIRefs. Unique them here.
> 
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h Mon Dec 19 20:09:43 2016
> @@ -215,6 +215,10 @@ public:
>   void EmitUnsigned(uint64_t Value) override;
>   bool isFrameRegister(const TargetRegisterInfo &TRI,
>                        unsigned MachineReg) override;
> +  DIELoc *finalize() {
> +    DwarfExpression::finalize();
> +    return &DIE;
> +  }
> };
> }
> 
> 
> Modified: llvm/trunk/lib/IR/AsmWriter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AsmWriter.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/AsmWriter.cpp (original)
> +++ llvm/trunk/lib/IR/AsmWriter.cpp Mon Dec 19 20:09:43 2016
> @@ -1827,7 +1827,6 @@ static void writeDIGlobalVariable(raw_os
>   Printer.printMetadata("type", N->getRawType());
>   Printer.printBool("isLocal", N->isLocalToUnit());
>   Printer.printBool("isDefinition", N->isDefinition());
> -  Printer.printMetadata("expr", N->getExpr());
>   Printer.printMetadata("declaration", N->getRawStaticDataMemberDeclaration());
>   Printer.printInt("align", N->getAlignInBits());
>   Out << ")";
> @@ -1870,6 +1869,18 @@ static void writeDIExpression(raw_ostrea
>   Out << ")";
> }
> 
> +static void writeDIGlobalVariableExpression(raw_ostream &Out,
> +                                            const DIGlobalVariableExpression *N,
> +                                            TypePrinting *TypePrinter,
> +                                            SlotTracker *Machine,
> +                                            const Module *Context) {
> +  Out << "!DIGlobalVariableExpression(";
> +  MDFieldPrinter Printer(Out, TypePrinter, Machine, Context);
> +  Printer.printMetadata("var", N->getVariable());
> +  Printer.printMetadata("expr", N->getExpression());
> +  Out << ")";
> +}
> +
> static void writeDIObjCProperty(raw_ostream &Out, const DIObjCProperty *N,
>                                 TypePrinting *TypePrinter, SlotTracker *Machine,
>                                 const Module *Context) {
> 
> Modified: llvm/trunk/lib/IR/DIBuilder.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DIBuilder.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/DIBuilder.cpp (original)
> +++ llvm/trunk/lib/IR/DIBuilder.cpp Mon Dec 19 20:09:43 2016
> @@ -532,29 +532,30 @@ static void checkGlobalVariableScope(DIS
> #endif
> }
> 
> -DIGlobalVariable *DIBuilder::createGlobalVariable(
> +DIGlobalVariableExpression *DIBuilder::createGlobalVariableExpression(
>     DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *F,
> -    unsigned LineNumber, DIType *Ty, bool isLocalToUnit,
> -    DIExpression *Expr, MDNode *Decl, uint32_t AlignInBits) {
> +    unsigned LineNumber, DIType *Ty, bool isLocalToUnit, DIExpression *Expr,
> +    MDNode *Decl, uint32_t AlignInBits) {
>   checkGlobalVariableScope(Context);
> 
> -  auto *N = DIGlobalVariable::getDistinct(
> +  auto *GV = DIGlobalVariable::getDistinct(
>       VMContext, cast_or_null<DIScope>(Context), Name, LinkageName, F,
> -      LineNumber, Ty, isLocalToUnit, true, Expr,
> -      cast_or_null<DIDerivedType>(Decl), AlignInBits);
> +      LineNumber, Ty, isLocalToUnit, true, cast_or_null<DIDerivedType>(Decl),
> +      AlignInBits);
> +  auto *N = DIGlobalVariableExpression::get(VMContext, GV, Expr);
>   AllGVs.push_back(N);
>   return N;
> }
> 
> DIGlobalVariable *DIBuilder::createTempGlobalVariableFwdDecl(
>     DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *F,
> -    unsigned LineNumber, DIType *Ty, bool isLocalToUnit,
> -    DIExpression *Expr, MDNode *Decl, uint32_t AlignInBits) {
> +    unsigned LineNumber, DIType *Ty, bool isLocalToUnit, MDNode *Decl,
> +    uint32_t AlignInBits) {
>   checkGlobalVariableScope(Context);
> 
>   return DIGlobalVariable::getTemporary(
>              VMContext, cast_or_null<DIScope>(Context), Name, LinkageName, F,
> -             LineNumber, Ty, isLocalToUnit, false, Expr,
> +             LineNumber, Ty, isLocalToUnit, false,
>              cast_or_null<DIDerivedType>(Decl), AlignInBits)
>       .release();
> }
> 
> Modified: llvm/trunk/lib/IR/DebugInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/DebugInfo.cpp (original)
> +++ llvm/trunk/lib/IR/DebugInfo.cpp Mon Dec 19 20:09:43 2016
> @@ -53,11 +53,12 @@ void DebugInfoFinder::reset() {
> void DebugInfoFinder::processModule(const Module &M) {
>   for (auto *CU : M.debug_compile_units()) {
>     addCompileUnit(CU);
> -    for (auto *DIG : CU->getGlobalVariables()) {
> -      if (addGlobalVariable(DIG)) {
> -        processScope(DIG->getScope());
> -        processType(DIG->getType().resolve());
> -      }
> +    for (auto DIG : CU->getGlobalVariables()) {
> +      if (!addGlobalVariable(DIG))
> +        continue;
> +      auto *GV = DIG->getVariable();
> +      processScope(GV->getScope());
> +      processType(GV->getType().resolve());
>     }
>     for (auto *ET : CU->getEnumTypes())
>       processType(ET);
> @@ -206,10 +207,7 @@ bool DebugInfoFinder::addCompileUnit(DIC
>   return true;
> }
> 
> -bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable *DIG) {
> -  if (!DIG)
> -    return false;
> -
> +bool DebugInfoFinder::addGlobalVariable(DIGlobalVariableExpression *DIG) {
>   if (!NodesSeen.insert(DIG).second)
>     return false;
> 
> 
> Modified: llvm/trunk/lib/IR/DebugInfoMetadata.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfoMetadata.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/DebugInfoMetadata.cpp (original)
> +++ llvm/trunk/lib/IR/DebugInfoMetadata.cpp Mon Dec 19 20:09:43 2016
> @@ -514,18 +514,17 @@ DIGlobalVariable *
> DIGlobalVariable::getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
>                           MDString *LinkageName, Metadata *File, unsigned Line,
>                           Metadata *Type, bool IsLocalToUnit, bool IsDefinition,
> -                          Metadata *Variable,
>                           Metadata *StaticDataMemberDeclaration,
> -                          uint32_t AlignInBits,
> -                          StorageType Storage, bool ShouldCreate) {
> +                          uint32_t AlignInBits, StorageType Storage,
> +                          bool ShouldCreate) {
>   assert(isCanonical(Name) && "Expected canonical MDString");
>   assert(isCanonical(LinkageName) && "Expected canonical MDString");
>   DEFINE_GETIMPL_LOOKUP(DIGlobalVariable,
>                         (Scope, Name, LinkageName, File, Line, Type,
> -                         IsLocalToUnit, IsDefinition, Variable,
> +                         IsLocalToUnit, IsDefinition,
>                          StaticDataMemberDeclaration, AlignInBits));
> -  Metadata *Ops[] = {Scope, Name,        File,     Type,
> -                     Name,  LinkageName, Variable, StaticDataMemberDeclaration};
> +  Metadata *Ops[] = {
> +      Scope, Name, File, Type, Name, LinkageName, StaticDataMemberDeclaration};
>   DEFINE_GETIMPL_STORE(DIGlobalVariable,
>                        (Line, IsLocalToUnit, IsDefinition, AlignInBits),
>                        Ops);
> @@ -581,10 +580,17 @@ bool DIExpression::isValid() const {
>     default:
>       return false;
>     case dwarf::DW_OP_LLVM_fragment:
> -    case dwarf::DW_OP_stack_value:
> -      // We only support fragment and stack value expressions which appear at
> -      // the end.
> +      // A fragment operator must appear at the end.
>       return I->get() + I->getSize() == E->get();
> +    case dwarf::DW_OP_stack_value: {
> +      // Must be the last one or followed by a DW_OP_LLVM_fragment.
> +      if (I->get() + I->getSize() == E->get())
> +        break;
> +      auto J = I;
> +      if ((++J)->getOp() != dwarf::DW_OP_LLVM_fragment)
> +        return false;
> +      break;
> +    }
>     case dwarf::DW_OP_constu:
>     case dwarf::DW_OP_plus:
>     case dwarf::DW_OP_minus:
> @@ -613,6 +619,27 @@ uint64_t DIExpression::getFragmentSizeIn
>   return getElement(getNumElements() - 1);
> }
> 
> +bool DIExpression::isConstant() const {
> +  // Recognize DW_OP_constu C DW_OP_stack_value (DW_OP_LLVM_fragment Len Ofs)?.
> +  if (getNumElements() != 3 && getNumElements() != 6)
> +    return false;
> +  if (getElement(0) != dwarf::DW_OP_constu ||
> +      getElement(2) != dwarf::DW_OP_stack_value)
> +    return false;
> +  if (getNumElements() == 6 && getElement(3) != dwarf::DW_OP_LLVM_fragment)
> +    return false;
> +  return true;
> +}
> +
> +DIGlobalVariableExpression *
> +DIGlobalVariableExpression::getImpl(LLVMContext &Context, Metadata *Variable,
> +                                    Metadata *Expression, StorageType Storage,
> +                                    bool ShouldCreate) {
> +  DEFINE_GETIMPL_LOOKUP(DIGlobalVariableExpression, (Variable, Expression));
> +  Metadata *Ops[] = {Variable, Expression};
> +  DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIGlobalVariableExpression, Ops);
> +}
> +
> DIObjCProperty *DIObjCProperty::getImpl(
>     LLVMContext &Context, MDString *Name, Metadata *File, unsigned Line,
>     MDString *GetterName, MDString *SetterName, unsigned Attributes,
> 
> Modified: llvm/trunk/lib/IR/LLVMContextImpl.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/LLVMContextImpl.h?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/LLVMContextImpl.h (original)
> +++ llvm/trunk/lib/IR/LLVMContextImpl.h Mon Dec 19 20:09:43 2016
> @@ -763,18 +763,16 @@ template <> struct MDNodeKeyImpl<DIGloba
>   Metadata *Type;
>   bool IsLocalToUnit;
>   bool IsDefinition;
> -  Metadata *Expr;
>   Metadata *StaticDataMemberDeclaration;
>   uint32_t AlignInBits;
> 
>   MDNodeKeyImpl(Metadata *Scope, MDString *Name, MDString *LinkageName,
>                 Metadata *File, unsigned Line, Metadata *Type,
>                 bool IsLocalToUnit, bool IsDefinition,
> -                Metadata *Expr, Metadata *StaticDataMemberDeclaration,
> -                uint32_t AlignInBits)
> +                Metadata *StaticDataMemberDeclaration, uint32_t AlignInBits)
>       : Scope(Scope), Name(Name), LinkageName(LinkageName), File(File),
>         Line(Line), Type(Type), IsLocalToUnit(IsLocalToUnit),
> -        IsDefinition(IsDefinition), Expr(Expr),
> +        IsDefinition(IsDefinition),
>         StaticDataMemberDeclaration(StaticDataMemberDeclaration),
>         AlignInBits(AlignInBits) {}
>   MDNodeKeyImpl(const DIGlobalVariable *N)
> @@ -782,7 +780,6 @@ template <> struct MDNodeKeyImpl<DIGloba
>         LinkageName(N->getRawLinkageName()), File(N->getRawFile()),
>         Line(N->getLine()), Type(N->getRawType()),
>         IsLocalToUnit(N->isLocalToUnit()), IsDefinition(N->isDefinition()),
> -        Expr(N->getRawExpr()),
>         StaticDataMemberDeclaration(N->getRawStaticDataMemberDeclaration()),
>         AlignInBits(N->getAlignInBits()) {}
> 
> @@ -792,7 +789,6 @@ template <> struct MDNodeKeyImpl<DIGloba
>            File == RHS->getRawFile() && Line == RHS->getLine() &&
>            Type == RHS->getRawType() && IsLocalToUnit == RHS->isLocalToUnit() &&
>            IsDefinition == RHS->isDefinition() &&
> -           Expr == RHS->getRawExpr() &&
>            StaticDataMemberDeclaration ==
>                RHS->getRawStaticDataMemberDeclaration() &&
>            AlignInBits == RHS->getAlignInBits();
> @@ -806,7 +802,7 @@ template <> struct MDNodeKeyImpl<DIGloba
>     // generated IR is random for each run and test fails with Align included.
>     // TODO: make hashing work fine with such situations
>     return hash_combine(Scope, Name, LinkageName, File, Line, Type,
> -                        IsLocalToUnit, IsDefinition, /* AlignInBits, */ Expr,
> +                        IsLocalToUnit, IsDefinition, /* AlignInBits, */
>                         StaticDataMemberDeclaration);
>   }
> };
> @@ -863,6 +859,22 @@ template <> struct MDNodeKeyImpl<DIExpre
>   }
> };
> 
> +template <> struct MDNodeKeyImpl<DIGlobalVariableExpression> {
> +  Metadata *Variable;
> +  Metadata *Expression;
> +
> +  MDNodeKeyImpl(Metadata *Variable, Metadata *Expression)
> +      : Variable(Variable), Expression(Expression) {}
> +  MDNodeKeyImpl(const DIGlobalVariableExpression *N)
> +      : Variable(N->getRawVariable()), Expression(N->getRawExpression()) {}
> +
> +  bool isKeyOf(const DIGlobalVariableExpression *RHS) const {
> +    return Variable == RHS->getRawVariable() &&
> +           Expression == RHS->getRawExpression();
> +  }
> +  unsigned getHashValue() const { return hash_combine(Variable, Expression); }
> +};
> +
> template <> struct MDNodeKeyImpl<DIObjCProperty> {
>   MDString *Name;
>   Metadata *File;
> 
> Modified: llvm/trunk/lib/IR/Metadata.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Metadata.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/Metadata.cpp (original)
> +++ llvm/trunk/lib/IR/Metadata.cpp Mon Dec 19 20:09:43 2016
> @@ -1419,9 +1419,15 @@ void GlobalObject::copyMetadata(const Gl
>     // If an offset adjustment was specified we need to modify the DIExpression
>     // to prepend the adjustment:
>     // !DIExpression(DW_OP_plus, Offset, [original expr])
> +    auto *Attachment = MD.second;
>     if (Offset != 0 && MD.first == LLVMContext::MD_dbg) {
> -      DIGlobalVariable *GV = cast<DIGlobalVariable>(MD.second);
> -      DIExpression *E = GV->getExpr();
> +      DIGlobalVariable *GV = dyn_cast<DIGlobalVariable>(Attachment);
> +      DIExpression *E = nullptr;
> +      if (!GV) {
> +        auto *GVE = cast<DIGlobalVariableExpression>(Attachment);
> +        GV = GVE->getVariable();
> +        E = GVE->getExpression();
> +      }
>       ArrayRef<uint64_t> OrigElements;
>       if (E)
>         OrigElements = E->getElements();
> @@ -1429,9 +1435,10 @@ void GlobalObject::copyMetadata(const Gl
>       Elements[0] = dwarf::DW_OP_plus;
>       Elements[1] = Offset;
>       std::copy(OrigElements.begin(), OrigElements.end(), Elements.begin() + 2);
> -      GV->replaceExpr(DIExpression::get(getContext(), Elements));
> +      E = DIExpression::get(getContext(), Elements);
> +      Attachment = DIGlobalVariableExpression::get(getContext(), GV, E);
>     }
> -    addMetadata(MD.first, *MD.second);
> +    addMetadata(MD.first, *Attachment);
>   }
> }
> 
> @@ -1452,14 +1459,14 @@ DISubprogram *Function::getSubprogram()
>   return cast_or_null<DISubprogram>(getMetadata(LLVMContext::MD_dbg));
> }
> 
> -void GlobalVariable::addDebugInfo(DIGlobalVariable *GV) {
> +void GlobalVariable::addDebugInfo(DIGlobalVariableExpression *GV) {
>   addMetadata(LLVMContext::MD_dbg, *GV);
> }
> 
> void GlobalVariable::getDebugInfo(
> -    SmallVectorImpl<DIGlobalVariable *> &GVs) const {
> +    SmallVectorImpl<DIGlobalVariableExpression *> &GVs) const {
>   SmallVector<MDNode *, 1> MDs;
>   getMetadata(LLVMContext::MD_dbg, MDs);
>   for (MDNode *MD : MDs)
> -    GVs.push_back(cast<DIGlobalVariable>(MD));
> +    GVs.push_back(cast<DIGlobalVariableExpression>(MD));
> }
> 
> Modified: llvm/trunk/lib/IR/Verifier.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Verifier.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/Verifier.cpp (original)
> +++ llvm/trunk/lib/IR/Verifier.cpp Mon Dec 19 20:09:43 2016
> @@ -580,7 +580,6 @@ void Verifier::visitGlobalVariable(const
>            "Global variable initializer type does not match global "
>            "variable type!",
>            &GV);
> -
>     // If the global has common linkage, it must have a zero initializer and
>     // cannot be constant.
>     if (GV.hasCommonLinkage()) {
> @@ -646,6 +645,15 @@ void Verifier::visitGlobalVariable(const
>              GV.hasAvailableExternallyLinkage(),
>          "Global is marked as dllimport, but not external", &GV);
> 
> +  // Visit any debug info attachments.
> +  SmallVector<MDNode *, 1> MDs;
> +  GV.getMetadata(LLVMContext::MD_dbg, MDs);
> +  for (auto *MD : MDs)
> +    if (auto *GVE = dyn_cast<DIGlobalVariableExpression>(MD))
> +      visitDIGlobalVariableExpression(*GVE);
> +    else
> +      AssertDI(false, "!dbg attachment of global variable must be a DIGlobalVariableExpression");
> +
>   if (!GV.hasInitializer()) {
>     visitGlobalValue(GV);
>     return;
> @@ -988,8 +996,8 @@ void Verifier::visitDICompileUnit(const
>   if (auto *Array = N.getRawGlobalVariables()) {
>     AssertDI(isa<MDTuple>(Array), "invalid global variable list", &N, Array);
>     for (Metadata *Op : N.getGlobalVariables()->operands()) {
> -      AssertDI(Op && isa<DIGlobalVariable>(Op), "invalid global variable ref",
> -               &N, Op);
> +      AssertDI(Op && (isa<DIGlobalVariableExpression>(Op)),
> +               "invalid global variable ref", &N, Op);
>     }
>   }
>   if (auto *Array = N.getRawImportedEntities()) {
> @@ -1132,8 +1140,6 @@ void Verifier::visitDIGlobalVariable(con
> 
>   AssertDI(N.getTag() == dwarf::DW_TAG_variable, "invalid tag", &N);
>   AssertDI(!N.getName().empty(), "missing global variable name", &N);
> -  if (auto *V = N.getRawExpr())
> -    AssertDI(isa<DIExpression>(V), "invalid expression location", &N, V);
>   if (auto *Member = N.getRawStaticDataMemberDeclaration()) {
>     AssertDI(isa<DIDerivedType>(Member),
>              "invalid static data member declaration", &N, Member);
> @@ -1153,6 +1159,15 @@ void Verifier::visitDIExpression(const D
>   AssertDI(N.isValid(), "invalid expression", &N);
> }
> 
> +void Verifier::visitDIGlobalVariableExpression(
> +    const DIGlobalVariableExpression &GVE) {
> +  AssertDI(GVE.getVariable(), "missing variable");
> +  if (auto *Var = GVE.getVariable())
> +    visitDIGlobalVariable(*Var);
> +  if (auto *Expr = GVE.getExpression())
> +    visitDIExpression(*Expr);
> +}
> +
> void Verifier::visitDIObjCProperty(const DIObjCProperty &N) {
>   AssertDI(N.getTag() == dwarf::DW_TAG_APPLE_property, "invalid tag", &N);
>   if (auto *T = N.getRawType())
> 
> Modified: llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp (original)
> +++ llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp Mon Dec 19 20:09:43 2016
> @@ -313,20 +313,23 @@ bool StripDeadDebugInfo::runOnModule(Mod
>   // replace the current list of potentially dead global variables/functions
>   // with the live list.
>   SmallVector<Metadata *, 64> LiveGlobalVariables;
> -  DenseSet<const MDNode *> VisitedSet;
> +  DenseSet<DIGlobalVariableExpression *> VisitedSet;
> 
> -  std::set<DIGlobalVariable *> LiveGVs;
> +  std::set<DIGlobalVariableExpression *> LiveGVs;
>   for (GlobalVariable &GV : M.globals()) {
> -    SmallVector<DIGlobalVariable *, 1> DIs;
> -    GV.getDebugInfo(DIs);
> -    for (DIGlobalVariable *DI : DIs)
> -      LiveGVs.insert(DI);
> +    SmallVector<DIGlobalVariableExpression *, 1> GVEs;
> +    GV.getDebugInfo(GVEs);
> +    for (auto *GVE : GVEs)
> +      LiveGVs.insert(GVE);
>   }
> 
>   for (DICompileUnit *DIC : F.compile_units()) {
>     // Create our live global variable list.
>     bool GlobalVariableChange = false;
> -    for (DIGlobalVariable *DIG : DIC->getGlobalVariables()) {
> +    for (auto *DIG : DIC->getGlobalVariables()) {
> +      if (DIG->getExpression() && DIG->getExpression()->isConstant())
> +        LiveGVs.insert(DIG);
> +
>       // Make sure we only visit each global variable only once.
>       if (!VisitedSet.insert(DIG).second)
>         continue;
> 
> Modified: llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp (original)
> +++ llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp Mon Dec 19 20:09:43 2016
> @@ -1655,7 +1655,7 @@ bool AddressSanitizerModule::InstrumentG
> 
>     // Transfer the debug info.  The payload starts at offset zero so we can
>     // copy the debug info over as is.
> -    SmallVector<DIGlobalVariable *, 1> GVs;
> +    SmallVector<DIGlobalVariableExpression *, 1> GVs;
>     G->getDebugInfo(GVs);
>     for (auto *GV : GVs)
>       NewGlobal->addDebugInfo(GV);
> 
> Copied: llvm/trunk/test/Assembler/DIGlobalVariableExpression.ll (from r290148, llvm/trunk/test/Assembler/diglobalvariable.ll)
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Assembler/DIGlobalVariableExpression.ll?p2=llvm/trunk/test/Assembler/DIGlobalVariableExpression.ll&p1=llvm/trunk/test/Assembler/diglobalvariable.ll&r1=290148&r2=290153&rev=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Assembler/diglobalvariable.ll (original)
> +++ llvm/trunk/test/Assembler/DIGlobalVariableExpression.ll Mon Dec 19 20:09:43 2016
> @@ -3,8 +3,8 @@
> 
> @foo = global i32 0
> 
> -; CHECK: !named = !{!0, !1, !2, !3, !4, !5, !6, !8, !9, !10}
> -!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9}
> +; CHECK: !named = !{!0, !1, !2, !3, !4, !5, !6, !7}
> +!named = !{!0, !1, !2, !3, !4, !5, !6, !7}
> 
> !0 = !DIFile(filename: "scope.h", directory: "/path/to/dir")
> !1 = distinct !{}
> @@ -17,12 +17,7 @@
>                        file: !2, line: 7, type: !3, isLocal: true,
>                        isDefinition: false, align: 32)
> 
> -; CHECK: !6 = !DIGlobalVariable(name: "foo", scope: !0, isLocal: false, isDefinition: true, expr: !7)
> +; CHECK: !6 = !DIGlobalVariableExpression(var: !5, expr: !7)
> +!6 = !DIGlobalVariableExpression(var: !5, expr: !7)
> ; CHECK: !7 = !DIExpression(DW_OP_constu, 42, DW_OP_stack_value)
> -!6 = !DIGlobalVariable(name: "foo", scope: !0, expr: !DIExpression(DW_OP_constu, 42, DW_OP_stack_value))
> -
> -!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Class", size: 8, align: 8)
> -!8 = !DIDerivedType(tag: DW_TAG_member, name: "mem", flags: DIFlagStaticMember, scope: !7, baseType: !3)
> -
> -; CHECK: !10 = !DIGlobalVariable(name: "mem", scope: !0, isLocal: false, isDefinition: true, declaration: !9)
> -!9 = !DIGlobalVariable(name: "mem", scope: !0, declaration: !8)
> +!7 = !DIExpression(DW_OP_constu, 42, DW_OP_stack_value)
> 
> Modified: llvm/trunk/test/Assembler/diglobalvariable.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Assembler/diglobalvariable.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Assembler/diglobalvariable.ll (original)
> +++ llvm/trunk/test/Assembler/diglobalvariable.ll Mon Dec 19 20:09:43 2016
> @@ -3,8 +3,8 @@
> 
> @foo = global i32 0
> 
> -; CHECK: !named = !{!0, !1, !2, !3, !4, !5, !6, !8, !9, !10}
> -!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9}
> +; CHECK: !named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8}
> +!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8}
> 
> !0 = !DIFile(filename: "scope.h", directory: "/path/to/dir")
> !1 = distinct !{}
> @@ -17,12 +17,8 @@
>                        file: !2, line: 7, type: !3, isLocal: true,
>                        isDefinition: false, align: 32)
> 
> -; CHECK: !6 = !DIGlobalVariable(name: "foo", scope: !0, isLocal: false, isDefinition: true, expr: !7)
> -; CHECK: !7 = !DIExpression(DW_OP_constu, 42, DW_OP_stack_value)
> -!6 = !DIGlobalVariable(name: "foo", scope: !0, expr: !DIExpression(DW_OP_constu, 42, DW_OP_stack_value))
> +!6 = !DICompositeType(tag: DW_TAG_structure_type, name: "Class", size: 8, align: 8)
> +!7 = !DIDerivedType(tag: DW_TAG_member, name: "mem", flags: DIFlagStaticMember, scope: !6, baseType: !3)
> 
> -!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Class", size: 8, align: 8)
> -!8 = !DIDerivedType(tag: DW_TAG_member, name: "mem", flags: DIFlagStaticMember, scope: !7, baseType: !3)
> -
> -; CHECK: !10 = !DIGlobalVariable(name: "mem", scope: !0, isLocal: false, isDefinition: true, declaration: !9)
> -!9 = !DIGlobalVariable(name: "mem", scope: !0, declaration: !8)
> +; CHECK: !8 = !DIGlobalVariable(name: "mem", scope: !0, isLocal: false, isDefinition: true, declaration: !7)
> +!8 = !DIGlobalVariable(name: "mem", scope: !0, declaration: !7)
> 
> Added: llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll?rev=290153&view=auto
> ==============================================================================
> --- llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll (added)
> +++ llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll Mon Dec 19 20:09:43 2016
> @@ -0,0 +1,31 @@
> +; RUN: llvm-dis -o - %s.bc | FileCheck %s
> +
> +; CHECK: @g = common global i32 0, align 4, !dbg ![[G:[0-9]+]]
> +; CHECK: @h = common global i32 0, align 4, !dbg ![[H:[0-9]+]]
> +; CHECK: ![[G]] = {{.*}}!DIGlobalVariableExpression(var: ![[GVAR:[0-9]+]], expr: ![[GEXPR:[0-9]+]])
> +; CHECK: ![[GVAR]] = distinct !DIGlobalVariable(name: "g",
> +; CHECK: !DIGlobalVariableExpression(var: ![[CVAR:[0-9]+]], expr: ![[CEXPR:[0-9]+]])
> +; CHECK: ![[CVAR]] = distinct !DIGlobalVariable(name: "c",
> +; CHECK: ![[CEXPR]] = !DIExpression(DW_OP_constu, 23, DW_OP_stack_value)
> +; CHECK: ![[H]] = {{.*}}!DIGlobalVariableExpression(var: ![[HVAR:[0-9]+]])
> +; CHECK: ![[HVAR]] = distinct !DIGlobalVariable(name: "h",
> +; CHECK: ![[GEXPR]] = !DIExpression(DW_OP_plus, 1)
> + at g = common global i32 0, align 4, !dbg !0
> + at h = common global i32 0, align 4, !dbg !11
> +
> +!llvm.dbg.cu = !{!1}
> +!llvm.module.flags = !{!6, !7, !8}
> +!llvm.ident = !{!9}
> +
> +!0 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true, expr: !DIExpression(DW_OP_plus, 1))
> +!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (trunk 286129) (llvm/trunk 286128)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> +!2 = !DIFile(filename: "a.c", directory: "/")
> +!3 = !{}
> +!4 = !{!0, !10, !11}
> +!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
> +!6 = !{i32 2, !"Dwarf Version", i32 4}
> +!7 = !{i32 2, !"Debug Info Version", i32 3}
> +!8 = !{i32 1, !"PIC Level", i32 2}
> +!9 = !{!"clang version 4.0.0 (trunk 286129) (llvm/trunk 286128)"}
> +!10 = distinct !DIGlobalVariable(name: "c", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true, expr: !DIExpression(DW_OP_constu, 23, DW_OP_stack_value))
> +!11 = distinct !DIGlobalVariable(name: "h", scope: !1, file: !2, line: 2, type: !5, isLocal: false, isDefinition: true)
> 
> Added: llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll.bc
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll.bc?rev=290153&view=auto
> ==============================================================================
> Binary files llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll.bc (added) and llvm/trunk/test/Bitcode/DIGlobalVariableExpression.ll.bc Mon Dec 19 20:09:43 2016 differ
> 
> Modified: llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll (original)
> +++ llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll Mon Dec 19 20:09:43 2016
> @@ -1,8 +1,20 @@
> ; RUN: llvm-dis -o - %s.bc | FileCheck %s
> 
> -; CHECK: !0 = distinct !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true, expr: !1)
> -; CHECK: !1 = !DIExpression(DW_OP_constu, 42, DW_OP_stack_value)
> +!llvm.dbg.cu = !{!0}
> +!llvm.module.flags = !{!7, !8}
> 
> -!named = !{!0}
> +; CHECK: !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.1", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
> +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.1", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, globals: !3)
> +!1 = !DIFile(filename: "g.c", directory: "/")
> +!2 = !{}
> +; CHECK: !3 = !{!4}
> +!3 = !{!4}
> +; CHECK: !4 = {{.*}}!DIGlobalVariableExpression(var: !5, expr: !8)
> +; CHECK: !5 = !DIGlobalVariable(name: "c", scope: !0, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true)
> +; CHECK: !8 = !DIExpression(DW_OP_constu, 42, DW_OP_stack_value)
> +!4 = !DIGlobalVariable(name: "c", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, variable: i32 42)
> +!5 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !6)
> +!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> +!7 = !{i32 2, !"Dwarf Version", i32 2}
> +!8 = !{i32 2, !"Debug Info Version", i32 3}
> 
> -!0 = distinct !DIGlobalVariable(name: "a", variable: i32 42)
> 
> Modified: llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll.bc
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll.bc?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> Binary files llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll.bc (original) and llvm/trunk/test/Bitcode/diglobalvariable-3.8.ll.bc Mon Dec 19 20:09:43 2016 differ
> 
> Modified: llvm/trunk/test/Bitcode/dityperefs-3.8.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Bitcode/dityperefs-3.8.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Bitcode/dityperefs-3.8.ll (original)
> +++ llvm/trunk/test/Bitcode/dityperefs-3.8.ll Mon Dec 19 20:09:43 2016
> @@ -18,13 +18,14 @@
> ; CHECK-NEXT: !7 = !DILocalVariable(name: "V1", scope: !6, type: !2)
> ; CHECK-NEXT: !8 = !DIObjCProperty(name: "P1", type: !1)
> ; CHECK-NEXT: !9 = !DITemplateTypeParameter(type: !1)
> -; CHECK-NEXT: !10 = !DIGlobalVariable(name: "G",{{.*}} type: !1,
> -; CHECK-NEXT: !11 = !DITemplateValueParameter(type: !1, value: i32* @G1)
> -; CHECK-NEXT: !12 = !DIImportedEntity(tag: DW_TAG_imported_module, name: "T2", scope: !0, entity: !1)
> -; CHECK-NEXT: !13 = !DICompositeType(tag: DW_TAG_structure_type, name: "T3", file: !0, elements: !14, identifier: "T3")
> -; CHECK-NEXT: !14 = !{!15}
> -; CHECK-NEXT: !15 = !DISubprogram(scope: !13,
> -; CHECK-NEXT: !16 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type,{{.*}} extraData: !13)
> +; CHECK-NEXT: !10 = distinct !DIGlobalVariableExpression(var: !11)
> +; CHECK-NEXT: !11 = !DIGlobalVariable(name: "G",{{.*}} type: !1,
> +; CHECK-NEXT: !12 = !DITemplateValueParameter(type: !1, value: i32* @G1)
> +; CHECK-NEXT: !13 = !DIImportedEntity(tag: DW_TAG_imported_module, name: "T2", scope: !0, entity: !1)
> +; CHECK-NEXT: !14 = !DICompositeType(tag: DW_TAG_structure_type, name: "T3", file: !0, elements: !15, identifier: "T3")
> +; CHECK-NEXT: !15 = !{!16}
> +; CHECK-NEXT: !16 = !DISubprogram(scope: !14,
> +; CHECK-NEXT: !17 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type,{{.*}} extraData: !14)
> 
> !0 = !DIFile(filename: "path/to/file", directory: "/path/to/dir")
> !1 = !DICompositeType(tag: DW_TAG_structure_type, name: "T1", file: !0, identifier: "T1")
> 
> Modified: llvm/trunk/test/CodeGen/AArch64/arm64-2011-03-17-AsmPrinterCrash.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/arm64-2011-03-17-AsmPrinterCrash.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/arm64-2011-03-17-AsmPrinterCrash.ll (original)
> +++ llvm/trunk/test/CodeGen/AArch64/arm64-2011-03-17-AsmPrinterCrash.ll Mon Dec 19 20:09:43 2016
> @@ -20,7 +20,7 @@ declare void @llvm.dbg.declare(metadata,
> 
> !llvm.dbg.cu = !{!0}
> 
> -!0 = !DIGlobalVariable(name: "vsplive", line: 617, isLocal: true, isDefinition: true, scope: !1, file: !2, type: !6)
> +!0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "vsplive", line: 617, isLocal: true, isDefinition: true, scope: !1, file: !2, type: !6))
> !1 = distinct !DISubprogram(name: "drt_vsprintf", line: 616, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !3, file: !20, scope: !2, type: !4)
> !2 = !DIFile(filename: "print.i", directory: "/Volumes/Ebi/echeng/radars/r9146594")
> !3 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (http://llvm.org/git/clang.git git:/git/puzzlebox/clang.git/ c4d1aea01c4444eb81bdbf391f1be309127c3cf1)", isOptimized: true, emissionKind: FullDebug, file: !20, enums: !21, retainedTypes: !21, globals: !{!0})
> 
> Modified: llvm/trunk/test/CodeGen/ARM/2010-06-25-Thumb2ITInvalidIterator.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2010-06-25-Thumb2ITInvalidIterator.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/2010-06-25-Thumb2ITInvalidIterator.ll (original)
> +++ llvm/trunk/test/CodeGen/ARM/2010-06-25-Thumb2ITInvalidIterator.ll Mon Dec 19 20:09:43 2016
> @@ -60,7 +60,7 @@ declare void @llvm.dbg.value(metadata, i
> !11 = distinct !DILexicalBlock(line: 5, column: 1, file: !26, scope: !1)
> !12 = !DILocalVariable(name: "c", line: 7, scope: !11, file: !2, type: !13)
> !13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> -!14 = !DIGlobalVariable(name: "length", linkageName: "length", line: 1, isLocal: false, isDefinition: true, scope: !2, file: !2, type: !13)
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "length", linkageName: "length", line: 1, isLocal: false, isDefinition: true, scope: !2, file: !2, type: !13))
> !15 = !DILocation(line: 4, column: 24, scope: !1)
> !16 = !DILocation(line: 4, column: 43, scope: !1)
> !17 = !DILocation(line: 9, column: 2, scope: !11)
> 
> Modified: llvm/trunk/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll (original)
> +++ llvm/trunk/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll Mon Dec 19 20:09:43 2016
> @@ -91,11 +91,11 @@ entry:
> !10 = !DILocalVariable(name: "a", line: 4, arg: 1, scope: !0, file: !1, type: !5)
> !11 = !DILocalVariable(name: "b", line: 4, scope: !12, file: !1, type: !5)
> !12 = distinct !DILexicalBlock(line: 4, column: 0, file: !47, scope: !0)
> -!13 = !DIGlobalVariable(name: "x1", line: 3, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5)
> -!14 = !DIGlobalVariable(name: "x2", line: 6, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5)
> -!15 = !DIGlobalVariable(name: "x3", line: 9, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5)
> -!16 = !DIGlobalVariable(name: "x4", line: 12, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5)
> -!17 = !DIGlobalVariable(name: "x5", line: 15, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5)
> +!13 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x1", line: 3, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5))
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x2", line: 6, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5))
> +!15 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x3", line: 9, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5))
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x4", line: 12, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !5))
> +!17 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x5", line: 15, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5))
> !18 = !DILocalVariable(name: "a", line: 7, arg: 1, scope: !6, file: !1, type: !5)
> !19 = !DILocalVariable(name: "b", line: 7, scope: !20, file: !1, type: !5)
> !20 = distinct !DILexicalBlock(line: 7, column: 0, file: !47, scope: !6)
> 
> Modified: llvm/trunk/test/CodeGen/ARM/2011-08-02-MergedGlobalDbg.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2011-08-02-MergedGlobalDbg.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/2011-08-02-MergedGlobalDbg.ll (original)
> +++ llvm/trunk/test/CodeGen/ARM/2011-08-02-MergedGlobalDbg.ll Mon Dec 19 20:09:43 2016
> @@ -95,8 +95,8 @@ declare void @llvm.dbg.value(metadata, i
> !19 = !DILocalVariable(name: "a", line: 14, arg: 1, scope: !8, file: !2, type: !5)
> !20 = !DILocalVariable(name: "b", line: 14, scope: !21, file: !2, type: !5)
> !21 = distinct !DILexicalBlock(line: 14, column: 19, file: !47, scope: !8)
> -!25 = !DIGlobalVariable(name: "x1", line: 4, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5)
> -!26 = !DIGlobalVariable(name: "x2", line: 7, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5)
> +!25 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x1", line: 4, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5))
> +!26 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x2", line: 7, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5))
> !27 = !DILocalVariable(name: "a", line: 17, arg: 1, scope: !9, file: !2, type: !5)
> !28 = !DILocalVariable(name: "b", line: 17, scope: !29, file: !2, type: !5)
> !29 = distinct !DILexicalBlock(line: 17, column: 19, file: !47, scope: !9)
> 
> Modified: llvm/trunk/test/CodeGen/ARM/coalesce-dbgvalue.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/coalesce-dbgvalue.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/coalesce-dbgvalue.ll (original)
> +++ llvm/trunk/test/CodeGen/ARM/coalesce-dbgvalue.ll Mon Dec 19 20:09:43 2016
> @@ -94,11 +94,11 @@ attributes #3 = { nounwind }
> !13 = distinct !DILexicalBlock(line: 12, column: 0, file: !1, scope: !4)
> !14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !8)
> !15 = !{!16, !18, !19, !20}
> -!16 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !17)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !17))
> !17 = !DIBasicType(tag: DW_TAG_base_type, name: "long long int", size: 64, align: 32, encoding: DW_ATE_signed)
> -!18 = !DIGlobalVariable(name: "b", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
> -!19 = !DIGlobalVariable(name: "c", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
> -!20 = !DIGlobalVariable(name: "d", line: 4, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
> +!18 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8))
> +!19 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8))
> +!20 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "d", line: 4, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8))
> !21 = !DILocation(line: 10, scope: !22)
> !22 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !4)
> !26 = !DILocation(line: 12, scope: !13)
> 
> Modified: llvm/trunk/test/CodeGen/BPF/dwarfdump.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/BPF/dwarfdump.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/BPF/dwarfdump.ll (original)
> +++ llvm/trunk/test/CodeGen/BPF/dwarfdump.ll Mon Dec 19 20:09:43 2016
> @@ -26,7 +26,7 @@ attributes #1 = { nounwind readnone }
> !llvm.module.flags = !{!12, !13}
> !llvm.ident = !{!14}
> 
> -!0 = distinct !DIGlobalVariable(name: "myvar_c", scope: !1, file: !2, line: 3, type: !5, isLocal: true, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "myvar_c", scope: !1, file: !2, line: 3, type: !5, isLocal: true, isDefinition: true))
> !1 = distinct !DISubprogram(name: "testprog", scope: !2, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !6, variables: !9)
> !2 = !DIFile(filename: "testprog.c", directory: "/w/llvm/bld")
> !3 = !DISubroutineType(types: !4)
> 
> Modified: llvm/trunk/test/CodeGen/NVPTX/generic-to-nvvm-ir.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/NVPTX/generic-to-nvvm-ir.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/NVPTX/generic-to-nvvm-ir.ll (original)
> +++ llvm/trunk/test/CodeGen/NVPTX/generic-to-nvvm-ir.ll Mon Dec 19 20:09:43 2016
> @@ -42,10 +42,10 @@ declare void @extfunc(i8 signext)
> !3 = !{!4}
> ; Find list of global variables and make sure it's the one used by DICompileUnit
> ; CHECK: [[GLOBALSNODE]] = !{[[GVNODE:![0-9]+]]}
> -!4 = distinct !DIGlobalVariable(name: "static_var", scope: !0, file: !1, line: 2, type: !5, isLocal: false,
> -               isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "static_var", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true))
> ; Debug info must also be updated to reflect new address space.
> -; CHECK: [[GVNODE]] = distinct !DIGlobalVariable(name: "static_var"
> +; CHECK: [[GVNODE]] = !DIGlobalVariableExpression(var: [[GVVAR:.*]])
> +; CHECK: [[GVVAR]] = !DIGlobalVariable(name: "static_var"
> ; CHECK-SAME: scope: [[CUNODE]]
> ; CHECK-SAME: type: [[TYPENODE:![0-9]+]]
> !5 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
> 
> Modified: llvm/trunk/test/CodeGen/PowerPC/pr17168.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/pr17168.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/PowerPC/pr17168.ll (original)
> +++ llvm/trunk/test/CodeGen/PowerPC/pr17168.ll Mon Dec 19 20:09:43 2016
> @@ -352,145 +352,145 @@ attributes #1 = { nounwind readnone }
> !296 = !DILocalVariable(name: "j", line: 907, scope: !293, file: !5, type: !8)
> !297 = !DILocalVariable(name: "k", line: 907, scope: !293, file: !5, type: !8)
> !298 = !{!299, !304, !305, !309, !310, !311, !312, !313, !314, !315, !316, !317, !318, !319, !320, !321, !322, !323, !324, !325, !326, !327, !328, !329, !330, !331, !332, !333, !334, !335, !336, !337, !338, !339, !340, !341, !342, !343, !347, !350, !351, !352, !353, !354, !355, !356, !360, !361, !362, !363, !364, !365, !366, !367, !368, !369, !370, !371, !372, !373, !374, !375, !376, !377, !378, !379, !380, !381, !382, !383, !384, !385, !386, !387, !388, !389, !390, !391, !392, !393, !394, !395, !396, !397, !398, !399, !400, !401, !402, !403, !404, !405, !406, !407, !408, !409, !410, !411, !412, !413, !414, !415, !416, !417, !418, !419, !422, !426, !427, !430, !431, !434, !435, !436, !437}
> -!299 = !DIGlobalVariable(name: "grid_points", line: 28, isLocal: true, isDefinition: true, scope: null, file: !300, type: !302)
> +!299 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "grid_points", line: 28, isLocal: true, isDefinition: true, scope: null, file: !300, type: !302))
> !300 = !DIFile(filename: "./header.h", directory: "/home/hfinkel/src/NPB2.3-omp-C/BT")
> !301 = !{!"./header.h", !"/home/hfinkel/src/NPB2.3-omp-C/BT"}
> !302 = !DICompositeType(tag: DW_TAG_array_type, size: 96, align: 32, baseType: !8, elements: !303)
> !303 = !{!178}
> -!304 = !DIGlobalVariable(name: "dt", line: 35, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!305 = !DIGlobalVariable(name: "rhs", line: 68, isLocal: true, isDefinition: true, scope: null, file: !300, type: !306)
> +!304 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dt", line: 35, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!305 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "rhs", line: 68, isLocal: true, isDefinition: true, scope: null, file: !300, type: !306))
> !306 = !DICompositeType(tag: DW_TAG_array_type, size: 1385839040, align: 64, baseType: !20, elements: !307)
> !307 = !{!308, !308, !308, !93}
> !308 = !DISubrange(count: 163)
> -!309 = !DIGlobalVariable(name: "zzcon5", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!310 = !DIGlobalVariable(name: "zzcon4", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!311 = !DIGlobalVariable(name: "zzcon3", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!312 = !DIGlobalVariable(name: "dz5tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!313 = !DIGlobalVariable(name: "dz4tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!314 = !DIGlobalVariable(name: "dz3tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!315 = !DIGlobalVariable(name: "zzcon2", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!316 = !DIGlobalVariable(name: "dz2tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!317 = !DIGlobalVariable(name: "tz2", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!318 = !DIGlobalVariable(name: "dz1tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!319 = !DIGlobalVariable(name: "yycon5", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!320 = !DIGlobalVariable(name: "yycon4", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!321 = !DIGlobalVariable(name: "yycon3", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!322 = !DIGlobalVariable(name: "dy5ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!323 = !DIGlobalVariable(name: "dy4ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!324 = !DIGlobalVariable(name: "dy3ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!325 = !DIGlobalVariable(name: "yycon2", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!326 = !DIGlobalVariable(name: "dy2ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!327 = !DIGlobalVariable(name: "ty2", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!328 = !DIGlobalVariable(name: "dy1ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!329 = !DIGlobalVariable(name: "dssp", line: 35, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!330 = !DIGlobalVariable(name: "c1", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!331 = !DIGlobalVariable(name: "xxcon5", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!332 = !DIGlobalVariable(name: "xxcon4", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!333 = !DIGlobalVariable(name: "xxcon3", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!334 = !DIGlobalVariable(name: "dx5tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!335 = !DIGlobalVariable(name: "dx4tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!336 = !DIGlobalVariable(name: "dx3tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!337 = !DIGlobalVariable(name: "c2", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!338 = !DIGlobalVariable(name: "con43", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!339 = !DIGlobalVariable(name: "xxcon2", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!340 = !DIGlobalVariable(name: "dx2tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!341 = !DIGlobalVariable(name: "tx2", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!342 = !DIGlobalVariable(name: "dx1tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!343 = !DIGlobalVariable(name: "forcing", line: 66, isLocal: true, isDefinition: true, scope: null, file: !300, type: !344)
> +!309 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "zzcon5", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!310 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "zzcon4", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!311 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "zzcon3", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!312 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz5tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!313 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz4tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!314 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz3tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!315 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "zzcon2", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!316 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz2tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!317 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tz2", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!318 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz1tz1", line: 43, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!319 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "yycon5", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!320 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "yycon4", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!321 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "yycon3", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!322 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy5ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!323 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy4ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!324 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy3ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!325 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "yycon2", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!326 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy2ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!327 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ty2", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!328 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy1ty1", line: 41, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!329 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dssp", line: 35, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!330 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c1", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!331 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "xxcon5", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!332 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "xxcon4", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!333 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "xxcon3", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!334 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx5tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!335 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx4tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!336 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx3tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!337 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c2", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!338 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "con43", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!339 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "xxcon2", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!340 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx2tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!341 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tx2", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!342 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx1tx1", line: 39, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!343 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "forcing", line: 66, isLocal: true, isDefinition: true, scope: null, file: !300, type: !344))
> !344 = !DICompositeType(tag: DW_TAG_array_type, size: 1663006848, align: 64, baseType: !20, elements: !345)
> !345 = !{!308, !308, !308, !346}
> !346 = !DISubrange(count: 6)
> -!347 = !DIGlobalVariable(name: "qs", line: 63, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348)
> +!347 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "qs", line: 63, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348))
> !348 = !DICompositeType(tag: DW_TAG_array_type, size: 277167808, align: 64, baseType: !20, elements: !349)
> !349 = !{!308, !308, !308}
> -!350 = !DIGlobalVariable(name: "square", line: 65, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348)
> -!351 = !DIGlobalVariable(name: "ws", line: 62, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348)
> -!352 = !DIGlobalVariable(name: "vs", line: 61, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348)
> -!353 = !DIGlobalVariable(name: "us", line: 60, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348)
> -!354 = !DIGlobalVariable(name: "rho_i", line: 64, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348)
> -!355 = !DIGlobalVariable(name: "u", line: 67, isLocal: true, isDefinition: true, scope: null, file: !300, type: !306)
> -!356 = !DIGlobalVariable(name: "ce", line: 36, isLocal: true, isDefinition: true, scope: null, file: !300, type: !357)
> +!350 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "square", line: 65, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348))
> +!351 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ws", line: 62, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348))
> +!352 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "vs", line: 61, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348))
> +!353 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "us", line: 60, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348))
> +!354 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "rho_i", line: 64, isLocal: true, isDefinition: true, scope: null, file: !300, type: !348))
> +!355 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "u", line: 67, isLocal: true, isDefinition: true, scope: null, file: !300, type: !306))
> +!356 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ce", line: 36, isLocal: true, isDefinition: true, scope: null, file: !300, type: !357))
> !357 = !DICompositeType(tag: DW_TAG_array_type, size: 4160, align: 64, baseType: !20, elements: !358)
> !358 = !{!93, !359}
> !359 = !DISubrange(count: 13)
> -!360 = !DIGlobalVariable(name: "dnzm1", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!361 = !DIGlobalVariable(name: "dnym1", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!362 = !DIGlobalVariable(name: "dnxm1", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!363 = !DIGlobalVariable(name: "zzcon1", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!364 = !DIGlobalVariable(name: "yycon1", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!365 = !DIGlobalVariable(name: "xxcon1", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!366 = !DIGlobalVariable(name: "con16", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!367 = !DIGlobalVariable(name: "c2iv", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!368 = !DIGlobalVariable(name: "c3c4tz3", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!369 = !DIGlobalVariable(name: "c3c4ty3", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!370 = !DIGlobalVariable(name: "c3c4tx3", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!371 = !DIGlobalVariable(name: "comz6", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!372 = !DIGlobalVariable(name: "comz5", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!373 = !DIGlobalVariable(name: "comz4", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!374 = !DIGlobalVariable(name: "comz1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!375 = !DIGlobalVariable(name: "dtdssp", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!376 = !DIGlobalVariable(name: "c2dttz1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!377 = !DIGlobalVariable(name: "c2dtty1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!378 = !DIGlobalVariable(name: "c2dttx1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!379 = !DIGlobalVariable(name: "dttz2", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!380 = !DIGlobalVariable(name: "dttz1", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!381 = !DIGlobalVariable(name: "dtty2", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!382 = !DIGlobalVariable(name: "dtty1", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!383 = !DIGlobalVariable(name: "dttx2", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!384 = !DIGlobalVariable(name: "dttx1", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!385 = !DIGlobalVariable(name: "c5dssp", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!386 = !DIGlobalVariable(name: "c4dssp", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!387 = !DIGlobalVariable(name: "dzmax", line: 37, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!388 = !DIGlobalVariable(name: "dymax", line: 37, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!389 = !DIGlobalVariable(name: "dxmax", line: 37, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!390 = !DIGlobalVariable(name: "dz5", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!391 = !DIGlobalVariable(name: "dz4", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!392 = !DIGlobalVariable(name: "dz3", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!393 = !DIGlobalVariable(name: "dz2", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!394 = !DIGlobalVariable(name: "dz1", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!395 = !DIGlobalVariable(name: "dy5", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!396 = !DIGlobalVariable(name: "dy4", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!397 = !DIGlobalVariable(name: "dy3", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!398 = !DIGlobalVariable(name: "dy2", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!399 = !DIGlobalVariable(name: "dy1", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!400 = !DIGlobalVariable(name: "dx5", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!401 = !DIGlobalVariable(name: "dx4", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!402 = !DIGlobalVariable(name: "dx3", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!403 = !DIGlobalVariable(name: "dx2", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!404 = !DIGlobalVariable(name: "dx1", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!405 = !DIGlobalVariable(name: "tz3", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!406 = !DIGlobalVariable(name: "tz1", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!407 = !DIGlobalVariable(name: "ty3", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!408 = !DIGlobalVariable(name: "ty1", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!409 = !DIGlobalVariable(name: "tx3", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!410 = !DIGlobalVariable(name: "tx1", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!411 = !DIGlobalVariable(name: "conz1", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!412 = !DIGlobalVariable(name: "c1345", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!413 = !DIGlobalVariable(name: "c3c4", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!414 = !DIGlobalVariable(name: "c1c5", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!415 = !DIGlobalVariable(name: "c1c2", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!416 = !DIGlobalVariable(name: "c5", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!417 = !DIGlobalVariable(name: "c4", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!418 = !DIGlobalVariable(name: "c3", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!419 = !DIGlobalVariable(name: "lhs", line: 69, isLocal: true, isDefinition: true, scope: null, file: !300, type: !420)
> +!360 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dnzm1", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!361 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dnym1", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!362 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dnxm1", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!363 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "zzcon1", line: 42, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!364 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "yycon1", line: 40, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!365 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "xxcon1", line: 38, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!366 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "con16", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!367 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c2iv", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!368 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c3c4tz3", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!369 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c3c4ty3", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!370 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c3c4tx3", line: 48, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!371 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "comz6", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!372 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "comz5", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!373 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "comz4", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!374 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "comz1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!375 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dtdssp", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!376 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c2dttz1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!377 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c2dtty1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!378 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c2dttx1", line: 47, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!379 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dttz2", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!380 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dttz1", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!381 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dtty2", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!382 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dtty1", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!383 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dttx2", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!384 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dttx1", line: 46, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!385 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c5dssp", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!386 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c4dssp", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!387 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dzmax", line: 37, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!388 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dymax", line: 37, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!389 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dxmax", line: 37, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!390 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz5", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!391 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz4", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!392 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz3", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!393 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz2", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!394 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dz1", line: 34, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!395 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy5", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!396 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy4", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!397 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy3", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!398 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy2", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!399 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dy1", line: 33, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!400 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx5", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!401 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx4", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!402 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx3", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!403 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx2", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!404 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "dx1", line: 32, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!405 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tz3", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!406 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tz1", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!407 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ty3", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!408 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ty1", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!409 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tx3", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!410 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tx1", line: 31, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!411 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "conz1", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!412 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c1345", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!413 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c3c4", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!414 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c1c5", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!415 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c1c2", line: 44, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!416 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c5", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!417 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c4", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!418 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c3", line: 45, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!419 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "lhs", line: 69, isLocal: true, isDefinition: true, scope: null, file: !300, type: !420))
> !420 = !DICompositeType(tag: DW_TAG_array_type, size: 20787585600, align: 64, baseType: !20, elements: !421)
> !421 = !{!308, !308, !308, !178, !93, !93}
> -!422 = !DIGlobalVariable(name: "q", line: 73, isLocal: true, isDefinition: true, scope: null, file: !300, type: !423)
> +!422 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "q", line: 73, isLocal: true, isDefinition: true, scope: null, file: !300, type: !423))
> !423 = !DICompositeType(tag: DW_TAG_array_type, size: 10368, align: 64, baseType: !20, elements: !424)
> !424 = !{!425}
> !425 = !DISubrange(count: 162)
> -!426 = !DIGlobalVariable(name: "cuf", line: 72, isLocal: true, isDefinition: true, scope: null, file: !300, type: !423)
> -!427 = !DIGlobalVariable(name: "buf", line: 75, isLocal: true, isDefinition: true, scope: null, file: !300, type: !428)
> +!426 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "cuf", line: 72, isLocal: true, isDefinition: true, scope: null, file: !300, type: !423))
> +!427 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "buf", line: 75, isLocal: true, isDefinition: true, scope: null, file: !300, type: !428))
> !428 = !DICompositeType(tag: DW_TAG_array_type, size: 51840, align: 64, baseType: !20, elements: !429)
> !429 = !{!425, !93}
> -!430 = !DIGlobalVariable(name: "ue", line: 74, isLocal: true, isDefinition: true, scope: null, file: !300, type: !428)
> -!431 = !DIGlobalVariable(name: "njac", line: 86, isLocal: true, isDefinition: true, scope: null, file: !300, type: !432)
> +!430 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ue", line: 74, isLocal: true, isDefinition: true, scope: null, file: !300, type: !428))
> +!431 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "njac", line: 86, isLocal: true, isDefinition: true, scope: null, file: !300, type: !432))
> !432 = !DICompositeType(tag: DW_TAG_array_type, size: 6886684800, align: 64, baseType: !20, elements: !433)
> !433 = !{!308, !308, !425, !93, !93}
> -!434 = !DIGlobalVariable(name: "fjac", line: 84, isLocal: true, isDefinition: true, scope: null, file: !300, type: !432)
> -!435 = !DIGlobalVariable(name: "tmp3", line: 88, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!436 = !DIGlobalVariable(name: "tmp2", line: 88, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> -!437 = !DIGlobalVariable(name: "tmp1", line: 88, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20)
> +!434 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "fjac", line: 84, isLocal: true, isDefinition: true, scope: null, file: !300, type: !432))
> +!435 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tmp3", line: 88, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!436 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tmp2", line: 88, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> +!437 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tmp1", line: 88, isLocal: true, isDefinition: true, scope: null, file: !300, type: !20))
> !438 = !{i32 2, !"Dwarf Version", i32 4}
> !439 = !DILocation(line: 1898, scope: !440)
> !440 = distinct !DILexicalBlock(line: 1898, column: 0, file: !1, scope: !114)
> 
> Modified: llvm/trunk/test/CodeGen/PowerPC/pr24546.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/pr24546.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/PowerPC/pr24546.ll (original)
> +++ llvm/trunk/test/CodeGen/PowerPC/pr24546.ll Mon Dec 19 20:09:43 2016
> @@ -79,7 +79,7 @@ attributes #3 = { nounwind }
> !21 = !{!22}
> !22 = !DILocalVariable(name: "power", arg: 1, scope: !18, file: !1, line: 1, type: !9)
> !23 = !{!24}
> -!24 = !DIGlobalVariable(name: "powers", scope: !18, file: !1, line: 3, type: !25, isLocal: true, isDefinition: true)
> +!24 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "powers", scope: !18, file: !1, line: 3, type: !25, isLocal: true, isDefinition: true))
> !25 = !DICompositeType(tag: DW_TAG_array_type, baseType: !26, size: 1472, align: 64, elements: !27)
> !26 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !4)
> !27 = !{!28}
> 
> Modified: llvm/trunk/test/CodeGen/WebAssembly/dbgvalue.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/dbgvalue.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/WebAssembly/dbgvalue.ll (original)
> +++ llvm/trunk/test/CodeGen/WebAssembly/dbgvalue.ll Mon Dec 19 20:09:43 2016
> @@ -45,7 +45,7 @@ declare void @llvm.dbg.value(metadata, i
> !1 = !DIFile(filename: "crash.c", directory: "wasm/tests")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "key", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "key", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true))
> !5 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 120, align: 8, elements: !9)
> !6 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !7, line: 185, baseType: !8)
> !7 = !DIFile(filename: "wasm/emscripten/system/include/libc/bits/alltypes.h", directory: "wasm/tests")
> 
> Modified: llvm/trunk/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll (original)
> +++ llvm/trunk/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll Mon Dec 19 20:09:43 2016
> @@ -24,7 +24,7 @@ declare void @llvm.dbg.value(metadata, i
> !llvm.dbg.cu = !{!2}
> !llvm.module.flags = !{!38}
> 
> -!0 = !DIGlobalVariable(name: "ret", line: 7, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !3)
> +!0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ret", line: 7, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !3))
> !1 = !DIFile(filename: "foo.c", directory: "/tmp/")
> !2 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !36, enums: !37, retainedTypes: !37, globals: !31, imports:  !37)
> !3 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> 
> Modified: llvm/trunk/test/CodeGen/X86/fp128-g.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fp128-g.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/fp128-g.ll (original)
> +++ llvm/trunk/test/CodeGen/X86/fp128-g.ll Mon Dec 19 20:09:43 2016
> @@ -116,7 +116,7 @@ attributes #2 = { nounwind readnone }
> !llvm.module.flags = !{!7, !8, !9}
> !llvm.ident = !{!10}
> 
> -!0 = distinct !DIGlobalVariable(name: "ld_ptr", scope: !1, file: !2, line: 17, type: !5, isLocal: false, isDefinition: true)
> +!0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ld_ptr", scope: !1, file: !2, line: 17, type: !5, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (trunk 281495)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "fp128-g.c", directory: "/disk5/chh/Debug/ld.loop")
> !3 = !{}
> 
> Modified: llvm/trunk/test/CodeGen/X86/fpstack-debuginstr-kill.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fpstack-debuginstr-kill.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/fpstack-debuginstr-kill.ll (original)
> +++ llvm/trunk/test/CodeGen/X86/fpstack-debuginstr-kill.ll Mon Dec 19 20:09:43 2016
> @@ -64,7 +64,7 @@ declare void @llvm.dbg.value(metadata, i
> !19 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !20 = !DILocalVariable(name: "value", line: 16, scope: !4, file: !6, type: !14)
> !21 = !{!22, !23}
> -!22 = !DIGlobalVariable(name: "g1", line: 5, isLocal: false, isDefinition: true, scope: null, file: !6, type: !14)
> -!23 = !DIGlobalVariable(name: "g2", line: 6, isLocal: false, isDefinition: true, scope: null, file: !6, type: !19)
> +!22 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "g1", line: 5, isLocal: false, isDefinition: true, scope: null, file: !6, type: !14))
> +!23 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "g2", line: 6, isLocal: false, isDefinition: true, scope: null, file: !6, type: !19))
> !24 = !{i32 2, !"Dwarf Version", i32 2}
> !25 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/CodeGen/X86/misched-code-difference-with-debug.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/misched-code-difference-with-debug.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/misched-code-difference-with-debug.ll (original)
> +++ llvm/trunk/test/CodeGen/X86/misched-code-difference-with-debug.ll Mon Dec 19 20:09:43 2016
> @@ -82,7 +82,7 @@ declare void @llvm.dbg.value(metadata, i
> !18 = !DILocalVariable(name: "c", line: 7, scope: !13, file: !14, type: !4)
> !19 = !DILocalVariable(name: "lc", line: 8, scope: !13, file: !14, type: !11)
> !20 = !{!21}
> -!21 = !DIGlobalVariable(name: "argc", line: 1, isLocal: false, isDefinition: true, scope: null, file: !14, type: !11)
> +!21 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "argc", line: 1, isLocal: false, isDefinition: true, scope: null, file: !14, type: !11))
> !22 = !{i32 2, !"Dwarf Version", i32 4}
> !23 = !{i32 2, !"Debug Info Version", i32 3}
> !25 = !DILocation(line: 8, column: 3, scope: !13)
> 
> Modified: llvm/trunk/test/CodeGen/X86/null-streamer.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/null-streamer.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/null-streamer.ll (original)
> +++ llvm/trunk/test/CodeGen/X86/null-streamer.ll Mon Dec 19 20:09:43 2016
> @@ -22,6 +22,6 @@ define void @f1() {
> !7 = !{!8}
> !8 = !DIBasicType(tag: DW_TAG_base_type, size: 32, align: 32, encoding: DW_ATE_signed)
> !9 = !{!10}
> -!10 = !DIGlobalVariable(name: "i", linkageName: "_ZL1i", line: 1, isLocal: true, isDefinition: true, scope: null, file: !1, type: !8)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", linkageName: "_ZL1i", line: 1, isLocal: true, isDefinition: true, scope: null, file: !1, type: !8))
> !11 = !{i32 2, !"Dwarf Version", i32 3}
> !13 = !{i32 1, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/AArch64/big-endian.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/AArch64/big-endian.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/AArch64/big-endian.ll (original)
> +++ llvm/trunk/test/DebugInfo/AArch64/big-endian.ll Mon Dec 19 20:09:43 2016
> @@ -13,7 +13,7 @@ target triple = "aarch64_be--none-eabi"
> !1 = !DIFile(filename: "-", directory: "/work/validation")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !7)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !7))
> !5 = !DIFile(filename: "<stdin>", directory: "/work/validation")
> !6 = !{!"<stdin>", !"/work/validation"}
> !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> 
> Modified: llvm/trunk/test/DebugInfo/AArch64/bitfields.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/AArch64/bitfields.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/AArch64/bitfields.ll (original)
> +++ llvm/trunk/test/DebugInfo/AArch64/bitfields.ll Mon Dec 19 20:09:43 2016
> @@ -58,7 +58,7 @@ target triple = "aarch64_be--linux-gnu"
> !1 = !DIFile(filename: "bitfields.c", directory: "/")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "b", scope: !0, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", scope: !0, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true))
> !5 = !DIFile(filename: "bitfields.c", directory: "/")
> !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "bitfield", file: !5, line: 1, size: 96, elements: !7)
> !7 = !{!8, !10, !11, !12}
> 
> Modified: llvm/trunk/test/DebugInfo/AArch64/frameindices.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/AArch64/frameindices.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/AArch64/frameindices.ll (original)
> +++ llvm/trunk/test/DebugInfo/AArch64/frameindices.ll Mon Dec 19 20:09:43 2016
> @@ -200,8 +200,8 @@ attributes #5 = { builtin }
> !38 = !DILocalVariable(name: "c", line: 19, scope: !34, file: !26, type: !4)
> !39 = !DILocalVariable(name: "d", line: 20, scope: !34, file: !26, type: !14)
> !40 = !{!41, !42}
> -!41 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !26, type: !20)
> -!42 = !DIGlobalVariable(name: "b", line: 7, isLocal: false, isDefinition: true, scope: null, file: !26, type: !12)
> +!41 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !26, type: !20))
> +!42 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", line: 7, isLocal: false, isDefinition: true, scope: null, file: !26, type: !12))
> !43 = !{i32 2, !"Dwarf Version", i32 2}
> !44 = !{i32 2, !"Debug Info Version", i32 3}
> !45 = !{!"clang version 3.7.0 "}
> 
> Modified: llvm/trunk/test/DebugInfo/ARM/big-endian-bitfield.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/ARM/big-endian-bitfield.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/ARM/big-endian-bitfield.ll (original)
> +++ llvm/trunk/test/DebugInfo/ARM/big-endian-bitfield.ll Mon Dec 19 20:09:43 2016
> @@ -22,7 +22,7 @@ target datalayout = "E-m:e-p:32:32-i64:6
> !1 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true))
> !5 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !1, line: 1, size: 32, elements: !6)
> !6 = !{!7, !9, !10, !11}
> ; CHECK: DW_TAG_member
> 
> Modified: llvm/trunk/test/DebugInfo/ARM/bitfield.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/ARM/bitfield.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/ARM/bitfield.ll (original)
> +++ llvm/trunk/test/DebugInfo/ARM/bitfield.ll Mon Dec 19 20:09:43 2016
> @@ -30,7 +30,7 @@ target triple = "thumbv7-apple-ios"
> !1 = !DIFile(filename: "test.i", directory: "/")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 5, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 5, type: !5, isLocal: false, isDefinition: true))
> !5 = !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 1, size: 48, align: 8, elements: !6)
> !6 = !{!7, !9}
> !7 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !5, file: !1, line: 2, baseType: !8, size: 8, align: 8)
> 
> Modified: llvm/trunk/test/DebugInfo/ARM/multiple-constant-uses-drops-dbgloc.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/ARM/multiple-constant-uses-drops-dbgloc.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/ARM/multiple-constant-uses-drops-dbgloc.ll (original)
> +++ llvm/trunk/test/DebugInfo/ARM/multiple-constant-uses-drops-dbgloc.ll Mon Dec 19 20:09:43 2016
> @@ -39,9 +39,9 @@ attributes #0 = { nounwind "less-precise
> !5 = !DISubroutineType(types: !6)
> !6 = !{null}
> !7 = !{!8, !10}
> -!8 = !DIGlobalVariable(name: "ch", scope: !0, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true)
> +!8 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ch", scope: !0, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true))
> !9 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
> -!10 = !DIGlobalVariable(name: "b", scope: !0, file: !1, line: 2, type: !11, isLocal: false, isDefinition: true)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", scope: !0, file: !1, line: 2, type: !11, isLocal: false, isDefinition: true))
> !11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !12 = !{i32 2, !"Dwarf Version", i32 4}
> !13 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/ARM/tls.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/ARM/tls.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/ARM/tls.ll (original)
> +++ llvm/trunk/test/DebugInfo/ARM/tls.ll Mon Dec 19 20:09:43 2016
> @@ -26,7 +26,7 @@
> !1 = !DIFile(filename: "tls.c", directory: "/tmp")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "x", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6))
> !5 = !DIFile(filename: "tls.c", directory: "/tmp")
> !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !{i32 2, !"Dwarf Version", i32 4}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/anonymous-struct.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/anonymous-struct.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/anonymous-struct.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/anonymous-struct.ll Mon Dec 19 20:09:43 2016
> @@ -46,7 +46,7 @@ target triple = "i686-pc-windows-msvc18.
> !1 = !DIFile(filename: "-", directory: "/usr/local/google/home/majnemer/llvm/src")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "s", scope: !0, file: !5, line: 5, type: !6, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s", scope: !0, file: !5, line: 5, type: !6, isLocal: false, isDefinition: true))
> !5 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/majnemer/llvm/src")
> !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !5, line: 2, size: 64, align: 32, elements: !7)
> !7 = !{!8, !10}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/big-type.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/big-type.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/big-type.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/big-type.ll Mon Dec 19 20:09:43 2016
> @@ -5766,7 +5766,7 @@ target triple = "x86_64-pc-windows-msvc1
> !5700 = !DIEnumerator(name: "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE5695", value: 5694)
> !5701 = !DIEnumerator(name: "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE5696", value: 5695)
> !5702 = !{!5703}
> -!5703 = distinct !DIGlobalVariable(name: "x", linkageName: "\01?x@@3W4BigThing@@A", scope: !0, file: !1, line: 5698, type: !3, isLocal: false, isDefinition: true)
> +!5703 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", linkageName: "\01?x@@3W4BigThing@@A", scope: !0, file: !1, line: 5698, type: !3, isLocal: false, isDefinition: true))
> !5704 = !{i32 2, !"CodeView", i32 1}
> !5705 = !{i32 2, !"Debug Info Version", i32 3}
> !5706 = !{i32 1, !"PIC Level", i32 2}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/bitfields.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/bitfields.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/bitfields.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/bitfields.ll Mon Dec 19 20:09:43 2016
> @@ -193,13 +193,13 @@ target triple = "x86_64-pc-windows-msvc1
> !1 = !DIFile(filename: "-", directory: "/usr/local/google/home/majnemer/llvm/src")
> !2 = !{}
> !3 = !{!4, !10, !29}
> -!4 = distinct !DIGlobalVariable(name: "s0", scope: !0, file: !5, line: 7, type: !6, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s0", scope: !0, file: !5, line: 7, type: !6, isLocal: false, isDefinition: true))
> !5 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/majnemer/llvm/src")
> !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S0", file: !5, line: 3, size: 24, elements: !7)
> !7 = !{!8}
> !8 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !6, file: !5, line: 6, baseType: !9, size: 8, offset: 16, flags: DIFlagBitField, extraData: i64 8)
> !9 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)
> -!10 = distinct !DIGlobalVariable(name: "s1", scope: !0, file: !5, line: 18, type: !11, isLocal: false, isDefinition: true)
> +!10 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s1", scope: !0, file: !5, line: 18, type: !11, isLocal: false, isDefinition: true))
> !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S1", file: !5, line: 10, size: 128, elements: !12)
> !12 = !{!13, !18, !19, !21, !22, !23, !28}
> !13 = !DIDerivedType(tag: DW_TAG_member, name: "x1", scope: !11, file: !5, line: 11, baseType: !14, size: 16)
> @@ -218,7 +218,7 @@ target triple = "x86_64-pc-windows-msvc1
> !26 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !24, file: !5, line: 16, baseType: !15, size: 8)
> !27 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !24, file: !5, line: 16, baseType: !9, size: 16, offset: 8)
> !28 = !DIDerivedType(tag: DW_TAG_member, name: "u", scope: !11, file: !5, line: 17, baseType: !9, size: 3, offset: 112, flags: DIFlagBitField, extraData: i64 112)
> -!29 = distinct !DIGlobalVariable(name: "s2", scope: !0, file: !5, line: 24, type: !30, isLocal: false, isDefinition: true)
> +!29 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s2", scope: !0, file: !5, line: 24, type: !30, isLocal: false, isDefinition: true))
> !30 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S2", file: !5, line: 21, size: 32, elements: !31)
> !31 = !{!32}
> !32 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !30, file: !5, line: 23, baseType: !20, size: 1, flags: DIFlagBitField, extraData: i64 0)
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/enum.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/enum.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/enum.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/enum.ll Mon Dec 19 20:09:43 2016
> @@ -42,7 +42,7 @@ target triple = "i686-pc-windows-msvc18.
> !6 = !{!7}
> !7 = !DIEnumerator(name: "BLAH", value: 0)
> !8 = !{!9}
> -!9 = distinct !DIGlobalVariable(name: "e", linkageName: "\01?e@@3W4E@@A", scope: !0, file: !4, line: 2, type: !3, isLocal: false, isDefinition: true)
> +!9 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "e", linkageName: "\01?e@@3W4E@@A", scope: !0, file: !4, line: 2, type: !3, isLocal: false, isDefinition: true))
> !10 = !{i32 2, !"CodeView", i32 1}
> !11 = !{i32 2, !"Debug Info Version", i32 3}
> !12 = !{!"clang version 3.9.0 (trunk 272790) (llvm/trunk 272813)"}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/global-dllimport.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/global-dllimport.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/global-dllimport.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/global-dllimport.ll Mon Dec 19 20:09:43 2016
> @@ -15,7 +15,7 @@ target triple = "i686-pc-windows-msvc"
> !1 = !DIFile(filename: "/usr/local/google/home/majnemer/Downloads/<stdin>", directory: "/usr/local/google/home/majnemer/llvm/src")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "id", linkageName: "\01?id@?$numpunct at D@@0HA", scope: !0, file: !5, line: 4, type: !6, isLocal: false, isDefinition: true, declaration: !7)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "id", linkageName: "\01?id@?$numpunct at D@@0HA", scope: !0, file: !5, line: 4, type: !6, isLocal: false, isDefinition: true, declaration: !7))
> !5 = !DIFile(filename: "/usr/local/google/home/majnemer/Downloads/t.ii", directory: "/usr/local/google/home/majnemer/llvm/src")
> !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !DIDerivedType(tag: DW_TAG_member, name: "id", scope: !8, file: !5, line: 2, baseType: !6, flags: DIFlagStaticMember)
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/globals-discarded.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/globals-discarded.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/globals-discarded.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/globals-discarded.ll Mon Dec 19 20:09:43 2016
> @@ -25,9 +25,9 @@ target triple = "x86_64-pc-windows-msvc1
> !1 = !DIFile(filename: "t.c", directory: "foo")
> !2 = !{}
> !3 = !{!4, !6}
> -!4 = distinct !DIGlobalVariable(name: "_OptionsStorage", scope: !0, file: !1, line: 3, type: !5, isLocal: true, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_OptionsStorage", scope: !0, file: !1, line: 3, type: !5, isLocal: true, isDefinition: true))
> !5 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
> -!6 = distinct !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 4, type: !5, isLocal: true, isDefinition: true)
> +!6 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 4, type: !5, isLocal: true, isDefinition: true))
> 
> !35 = !{i32 2, !"CodeView", i32 1}
> !36 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/globals.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/globals.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/globals.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/globals.ll Mon Dec 19 20:09:43 2016
> @@ -129,18 +129,18 @@ $"\01?comdat@?$A at X@@2HB" = comdat any
> !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4, !6, !13, !15}
> -!4 = distinct !DIGlobalVariable(name: "first", linkageName: "\01?first@@3HA", scope: !0, file: !1, line: 1, type: !5, isLocal: true, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "first", linkageName: "\01?first@@3HA", scope: !0, file: !1, line: 1, type: !5, isLocal: true, isDefinition: true))
> !5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> -!6 = distinct !DIGlobalVariable(name: "comdat", linkageName: "\01?comdat@?$A at X@@2HB", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, declaration: !8)
> +!6 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "comdat", linkageName: "\01?comdat@?$A at X@@2HB", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, declaration: !8))
> !7 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !5)
> !8 = !DIDerivedType(tag: DW_TAG_member, name: "comdat", scope: !9, file: !1, line: 2, baseType: !7, flags: DIFlagStaticMember, extraData: i32 3)
> !9 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A<void>", file: !1, line: 2, size: 8, align: 8, elements: !10, templateParams: !11)
> !10 = !{!8}
> !11 = !{!12}
> !12 = !DITemplateTypeParameter(name: "T", type: null)
> -!13 = distinct !DIGlobalVariable(name: "middle", linkageName: "\01?middle@@3PEBHEB", scope: !0, file: !1, line: 3, type: !14, isLocal: false, isDefinition: true)
> +!13 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "middle", linkageName: "\01?middle@@3PEBHEB", scope: !0, file: !1, line: 3, type: !14, isLocal: false, isDefinition: true))
> !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64)
> -!15 = distinct !DIGlobalVariable(name: "last", linkageName: "\01?last@@3HA", scope: !0, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true)
> +!15 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "last", linkageName: "\01?last@@3HA", scope: !0, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true))
> !16 = !{i32 2, !"CodeView", i32 1}
> !17 = !{i32 2, !"Debug Info Version", i32 3}
> !18 = !{i32 1, !"PIC Level", i32 2}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/inheritance.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/inheritance.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/inheritance.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/inheritance.ll Mon Dec 19 20:09:43 2016
> @@ -93,7 +93,7 @@ attributes #0 = { "correctly-rounded-div
> !llvm.module.flags = !{!31, !32, !33}
> !llvm.ident = !{!34}
> 
> -!0 = distinct !DIGlobalVariable(name: "d", linkageName: "\01?d@@3UD@@A", scope: !1, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "d", linkageName: "\01?d@@3UD@@A", scope: !1, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git 95626d54d6db7e13087089396a80ebaccc4ffe7c) (http://llvm.org/git/llvm.git 374b6e2fa0b230d13c0fb9ee7af69b2146bfad8a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !3 = !{}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/inlining-files.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/inlining-files.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/inlining-files.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/inlining-files.ll Mon Dec 19 20:09:43 2016
> @@ -84,7 +84,7 @@ attributes #0 = { norecurse nounwind uwt
> !6 = !{null}
> !7 = distinct !DISubprogram(name: "file_change", scope: !1, file: !1, line: 2, type: !5, isLocal: true, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
> !8 = !{!9}
> -!9 = !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !10, isLocal: false, isDefinition: true)
> +!9 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !10, isLocal: false, isDefinition: true))
> !10 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11)
> !11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !12 = !{i32 2, !"CodeView", i32 1}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/inlining-header.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/inlining-header.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/inlining-header.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/inlining-header.ll Mon Dec 19 20:09:43 2016
> @@ -140,7 +140,7 @@ attributes #0 = { norecurse nounwind uwt
> !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)
> !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !{i32 2, !"CodeView", i32 1}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/inlining-levels.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/inlining-levels.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/inlining-levels.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/inlining-levels.ll Mon Dec 19 20:09:43 2016
> @@ -71,7 +71,7 @@ attributes #0 = { norecurse nounwind uwt
> !11 = distinct !DISubprogram(name: "g", linkageName: "\01?g@@YAXXZ", scope: !1, file: !1, line: 6, type: !9, isLocal: true, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
> !12 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !1, file: !1, line: 2, type: !9, isLocal: true, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
> !13 = !{!14}
> -!14 = !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !0, file: !1, line: 1, type: !15, isLocal: false, isDefinition: true)
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !0, file: !1, line: 1, type: !15, isLocal: false, isDefinition: true))
> !15 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
> !16 = !{i32 2, !"CodeView", i32 1}
> !17 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/int8-char-type.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/int8-char-type.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/int8-char-type.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/int8-char-type.ll Mon Dec 19 20:09:43 2016
> @@ -32,12 +32,12 @@ target triple = "x86_64-pc-windows-msvc1
> !llvm.module.flags = !{!11, !12, !13}
> !llvm.ident = !{!14}
> 
> -!0 = distinct !DIGlobalVariable(name: "x", scope: !1, file: !6, line: 4, type: !9, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", scope: !1, file: !6, line: 4, type: !9, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "-", directory: "C:\5Csrc\5Cllvm\5Cbuild")
> !3 = !{}
> !4 = !{!0, !5}
> -!5 = distinct !DIGlobalVariable(name: "y", scope: !1, file: !6, line: 5, type: !7, isLocal: false, isDefinition: true)
> +!5 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "y", scope: !1, file: !6, line: 5, type: !7, isLocal: false, isDefinition: true))
> !6 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Cllvm\5Cbuild")
> !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !6, line: 3, baseType: !8)
> 
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/long-type-name.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/long-type-name.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/long-type-name.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/long-type-name.ll Mon Dec 19 20:09:43 2016
> @@ -28,7 +28,7 @@ target triple = "x86_64-pc-windows-msvc"
> !llvm.module.flags = !{!7, !8}
> !llvm.ident = !{!9}
> 
> -!0 = distinct !DIGlobalVariable(name: "f", linkageName: "\01?f@@3UFoo@@A", scope: !1, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", linkageName: "\01?f@@3UFoo@@A", scope: !1, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 4.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Cllvm\5Cbuild")
> !3 = !{}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/register-variables.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/register-variables.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/register-variables.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/register-variables.ll Mon Dec 19 20:09:43 2016
> @@ -261,7 +261,7 @@ attributes #3 = { nounwind }
> !20 = !DILocalVariable(name: "a", arg: 1, scope: !16, file: !1, line: 4, type: !7)
> !21 = !DILocalVariable(name: "b", scope: !16, file: !1, line: 5, type: !7)
> !22 = !{!23}
> -!23 = !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !24, isLocal: false, isDefinition: true)
> +!23 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !24, isLocal: false, isDefinition: true))
> !24 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
> !25 = !{i32 2, !"CodeView", i32 1}
> !26 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/scopes.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/scopes.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/scopes.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/scopes.ll Mon Dec 19 20:09:43 2016
> @@ -113,7 +113,7 @@ attributes #1 = { nounwind readnone }
> !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "g", linkageName: "\01?g at bar@foo@@3UGlobalRecord at 12@A", scope: !5, file: !1, line: 12, type: !7, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "g", linkageName: "\01?g at bar@foo@@3UGlobalRecord at 12@A", scope: !5, file: !1, line: 12, type: !7, isLocal: false, isDefinition: true))
> !5 = !DINamespace(name: "bar", scope: !6, file: !1, line: 2)
> !6 = !DINamespace(name: "foo", scope: null, file: !1, line: 1)
> !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "GlobalRecord", scope: !5, file: !1, line: 9, size: 32, align: 32, elements: !8, identifier: ".?AUGlobalRecord at bar@foo@@")
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/types-array-advanced.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/types-array-advanced.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/types-array-advanced.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/types-array-advanced.ll Mon Dec 19 20:09:43 2016
> @@ -172,14 +172,14 @@ attributes #2 = { nounwind }
> !1 = !DIFile(filename: "t.cpp", directory: "/")
> !2 = !{}
> !3 = !{!4, !11, !20, !21}
> -!4 = distinct !DIGlobalVariable(name: "multi_dim_arr", linkageName: "\01?multi_dim_arr@@3PAY146DA", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "multi_dim_arr", linkageName: "\01?multi_dim_arr@@3PAY146DA", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true))
> !5 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 560, align: 8, elements: !7)
> !6 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
> !7 = !{!8, !9, !10}
> !8 = !DISubrange(count: 2)
> !9 = !DISubrange(count: 5)
> !10 = !DISubrange(count: 7)
> -!11 = distinct !DIGlobalVariable(name: "p_incomplete_struct_arr", linkageName: "\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A", scope: !0, file: !1, line: 3, type: !12, isLocal: false, isDefinition: true)
> +!11 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "p_incomplete_struct_arr", linkageName: "\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A", scope: !0, file: !1, line: 3, type: !12, isLocal: false, isDefinition: true))
> !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 32, align: 32)
> !13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, elements: !18)
> !14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "incomplete_struct", file: !1, line: 4, size: 32, align: 32, elements: !15, identifier: ".?AUincomplete_struct@@")
> @@ -188,8 +188,8 @@ attributes #2 = { nounwind }
> !17 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !18 = !{!19}
> !19 = !DISubrange(count: 3)
> -!20 = distinct !DIGlobalVariable(name: "incomplete_struct_arr", linkageName: "\01?incomplete_struct_arr@@3PAUincomplete_struct@@A", scope: !0, file: !1, line: 6, type: !13, isLocal: false, isDefinition: true)
> -!21 = distinct !DIGlobalVariable(name: "typedef_arr", linkageName: "\01?typedef_arr@@3SDHD", scope: !0, file: !1, line: 14, type: !22, isLocal: false, isDefinition: true)
> +!20 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "incomplete_struct_arr", linkageName: "\01?incomplete_struct_arr@@3PAUincomplete_struct@@A", scope: !0, file: !1, line: 6, type: !13, isLocal: false, isDefinition: true))
> +!21 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "typedef_arr", linkageName: "\01?typedef_arr@@3SDHD", scope: !0, file: !1, line: 14, type: !22, isLocal: false, isDefinition: true))
> !22 = !DICompositeType(tag: DW_TAG_array_type, baseType: !23, size: 128, align: 32, elements: !26)
> !23 = !DIDerivedType(tag: DW_TAG_typedef, name: "T_INT", file: !1, line: 13, baseType: !24)
> !24 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !25)
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/types-nested-class.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/types-nested-class.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/types-nested-class.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/types-nested-class.ll Mon Dec 19 20:09:43 2016
> @@ -89,7 +89,7 @@ target triple = "i686-pc-windows-msvc19.
> !1 = !DIFile(filename: "hello.cpp", directory: "D:\5Csrc\5Chello")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "a", linkageName: "\01?a@@3UA@@A", scope: !0, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", linkageName: "\01?a@@3UA@@A", scope: !0, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true))
> !5 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 8, align: 8, elements: !6, identifier: ".?AUA@@")
> !6 = !{!7}
> !7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Nested", scope: !5, file: !1, line: 2, size: 8, align: 8, flags: DIFlagFwdDecl, identifier: ".?AUNested at A@@")
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/types-ptr-to-member.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/types-ptr-to-member.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/types-ptr-to-member.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/types-ptr-to-member.ll Mon Dec 19 20:09:43 2016
> @@ -203,13 +203,13 @@ target triple = "x86_64-pc-windows-msvc1
> !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4, !10, !20, !23, !26, !31, !36, !41, !46, !50}
> -!4 = distinct !DIGlobalVariable(name: "pmd_a", linkageName: "\01?pmd_a@@3PEQA@@HEQ1@", scope: !0, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmd_a", linkageName: "\01?pmd_a@@3PEQA@@HEQ1@", scope: !0, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !6, size: 32, flags: DIFlagSingleInheritance, extraData: !7)
> !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 32, align: 32, elements: !8, identifier: ".?AUA@@")
> !8 = !{!9}
> !9 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !7, file: !1, line: 1, baseType: !6, size: 32, align: 32)
> -!10 = distinct !DIGlobalVariable(name: "pmd_b", linkageName: "\01?pmd_b@@3PEQC@@HEQ1@", scope: !0, file: !1, line: 7, type: !11, isLocal: false, isDefinition: true)
> +!10 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmd_b", linkageName: "\01?pmd_b@@3PEQC@@HEQ1@", scope: !0, file: !1, line: 7, type: !11, isLocal: false, isDefinition: true))
> !11 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !6, size: 32, flags: DIFlagMultipleInheritance, extraData: !12)
> !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !1, line: 3, size: 96, align: 32, elements: !13, identifier: ".?AUC@@")
> !13 = !{!14, !15, !19}
> @@ -219,37 +219,37 @@ target triple = "x86_64-pc-windows-msvc1
> !17 = !{!18}
> !18 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !16, file: !1, line: 2, baseType: !6, size: 32, align: 32)
> !19 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !12, file: !1, line: 3, baseType: !6, size: 32, align: 32, offset: 64)
> -!20 = distinct !DIGlobalVariable(name: "pmd_c", linkageName: "\01?pmd_c@@3PEQD@@HEQ1@", scope: !0, file: !1, line: 8, type: !21, isLocal: false, isDefinition: true)
> +!20 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmd_c", linkageName: "\01?pmd_c@@3PEQD@@HEQ1@", scope: !0, file: !1, line: 8, type: !21, isLocal: false, isDefinition: true))
> !21 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !6, size: 64, flags: DIFlagVirtualInheritance, extraData: !22)
> !22 = !DICompositeType(tag: DW_TAG_structure_type, name: "D", file: !1, line: 4, size: 256, align: 64, flags: DIFlagFwdDecl, identifier: ".?AUD@@")
> -!23 = distinct !DIGlobalVariable(name: "pmd_d", linkageName: "\01?pmd_d@@3PEQE@@HEQ1@", scope: !0, file: !1, line: 9, type: !24, isLocal: false, isDefinition: true)
> +!23 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmd_d", linkageName: "\01?pmd_d@@3PEQE@@HEQ1@", scope: !0, file: !1, line: 9, type: !24, isLocal: false, isDefinition: true))
> !24 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !6, size: 96, extraData: !25)
> !25 = !DICompositeType(tag: DW_TAG_structure_type, name: "E", file: !1, line: 5, flags: DIFlagFwdDecl, identifier: ".?AUE@@")
> -!26 = distinct !DIGlobalVariable(name: "pmf_a", linkageName: "\01?pmf_a@@3P8A@@EAAXXZEQ1@", scope: !0, file: !1, line: 10, type: !27, isLocal: false, isDefinition: true)
> +!26 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmf_a", linkageName: "\01?pmf_a@@3P8A@@EAAXXZEQ1@", scope: !0, file: !1, line: 10, type: !27, isLocal: false, isDefinition: true))
> !27 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !28, size: 64, flags: DIFlagSingleInheritance, extraData: !7)
> !28 = !DISubroutineType(types: !29)
> !29 = !{null, !30}
> !30 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
> -!31 = distinct !DIGlobalVariable(name: "pmf_b", linkageName: "\01?pmf_b@@3P8C@@EAAXXZEQ1@", scope: !0, file: !1, line: 11, type: !32, isLocal: false, isDefinition: true)
> +!31 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmf_b", linkageName: "\01?pmf_b@@3P8C@@EAAXXZEQ1@", scope: !0, file: !1, line: 11, type: !32, isLocal: false, isDefinition: true))
> !32 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !33, size: 128, flags: DIFlagMultipleInheritance, extraData: !12)
> !33 = !DISubroutineType(types: !34)
> !34 = !{null, !35}
> !35 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
> -!36 = distinct !DIGlobalVariable(name: "pmf_c", linkageName: "\01?pmf_c@@3P8D@@EAAXXZEQ1@", scope: !0, file: !1, line: 12, type: !37, isLocal: false, isDefinition: true)
> +!36 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmf_c", linkageName: "\01?pmf_c@@3P8D@@EAAXXZEQ1@", scope: !0, file: !1, line: 12, type: !37, isLocal: false, isDefinition: true))
> !37 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !38, size: 128, flags: DIFlagVirtualInheritance, extraData: !22)
> !38 = !DISubroutineType(types: !39)
> !39 = !{null, !40}
> !40 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
> -!41 = distinct !DIGlobalVariable(name: "pmf_d", linkageName: "\01?pmf_d@@3P8E@@EAAXXZEQ1@", scope: !0, file: !1, line: 13, type: !42, isLocal: false, isDefinition: true)
> +!41 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "pmf_d", linkageName: "\01?pmf_d@@3P8E@@EAAXXZEQ1@", scope: !0, file: !1, line: 13, type: !42, isLocal: false, isDefinition: true))
> !42 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !43, size: 192, extraData: !25)
> !43 = !DISubroutineType(types: !44)
> !44 = !{null, !45}
> !45 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !25, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
> -!46 = distinct !DIGlobalVariable(name: "ppmd", linkageName: "\01?ppmd@@3PEAPEQIncomplete@@HEA", scope: !0, file: !1, line: 15, type: !47, isLocal: false, isDefinition: true)
> +!46 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ppmd", linkageName: "\01?ppmd@@3PEAPEQIncomplete@@HEA", scope: !0, file: !1, line: 15, type: !47, isLocal: false, isDefinition: true))
> !47 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !48, size: 64, align: 64)
> !48 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !6, extraData: !49)
> !49 = !DICompositeType(tag: DW_TAG_structure_type, name: "Incomplete", file: !1, line: 14, flags: DIFlagFwdDecl, identifier: ".?AUIncomplete@@")
> -!50 = distinct !DIGlobalVariable(name: "ppmf", linkageName: "\01?ppmf@@3PEAP8Incomplete@@EAAXXZEA", scope: !0, file: !1, line: 16, type: !51, isLocal: false, isDefinition: true)
> +!50 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ppmf", linkageName: "\01?ppmf@@3PEAP8Incomplete@@EAAXXZEA", scope: !0, file: !1, line: 16, type: !51, isLocal: false, isDefinition: true))
> !51 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !52, size: 64, align: 64)
> !52 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !53, extraData: !49)
> !53 = !DISubroutineType(types: !54)
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/udts.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/udts.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/udts.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/udts.ll Mon Dec 19 20:09:43 2016
> @@ -97,7 +97,7 @@ attributes #1 = { nounwind readnone }
> !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "u", linkageName: "\01?u@@3UU@@A", scope: !0, file: !1, line: 13, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "u", linkageName: "\01?u@@3UU@@A", scope: !0, file: !1, line: 13, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIDerivedType(tag: DW_TAG_typedef, name: "U", file: !1, line: 12, baseType: !6)
> !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 12, size: 32, align: 32, elements: !7, identifier: ".?AUU@@")
> !7 = !{!8}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/virtual-method-kinds.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/virtual-method-kinds.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/virtual-method-kinds.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/virtual-method-kinds.ll Mon Dec 19 20:09:43 2016
> @@ -237,7 +237,7 @@ attributes #6 = { nounwind }
> !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "p", linkageName: "\01?p@@3PEAUC@@EA", scope: !0, file: !1, line: 13, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "p", linkageName: "\01?p@@3PEAUC@@EA", scope: !0, file: !1, line: 13, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, align: 64)
> !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !1, line: 9, size: 64, align: 64, elements: !7, vtableHolder: !12, identifier: ".?AUC@@")
> !7 = !{!8, !30, !34}
> 
> Modified: llvm/trunk/test/DebugInfo/COFF/vtable-optzn-array.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/vtable-optzn-array.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/COFF/vtable-optzn-array.ll (original)
> +++ llvm/trunk/test/DebugInfo/COFF/vtable-optzn-array.ll Mon Dec 19 20:09:43 2016
> @@ -100,13 +100,13 @@ attributes #3 = { nounwind readnone }
> !1 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4, !10}
> -!4 = distinct !DIGlobalVariable(name: "force_fwd_decl", linkageName: "\01?force_fwd_decl@@3UGetFwdDecl@@A", scope: !0, file: !5, line: 5, type: !6, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "force_fwd_decl", linkageName: "\01?force_fwd_decl@@3UGetFwdDecl@@A", scope: !0, file: !5, line: 5, type: !6, isLocal: false, isDefinition: true))
> !5 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Cllvm\5Cbuild")
> !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "GetFwdDecl", file: !5, line: 2, size: 8, align: 8, elements: !7, identifier: ".?AUGetFwdDecl@@")
> !7 = !{!8}
> !8 = !DIDerivedType(tag: DW_TAG_member, name: "format", scope: !6, file: !5, line: 3, baseType: !9, flags: DIFlagStaticMember)
> !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "UnicodeString", file: !5, line: 1, flags: DIFlagFwdDecl, identifier: ".?AUUnicodeString@@")
> -!10 = distinct !DIGlobalVariable(name: "require_complete", linkageName: "\01?require_complete@@3UUseCompleteType@@A", scope: !0, file: !5, line: 15, type: !11, isLocal: false, isDefinition: true)
> +!10 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "require_complete", linkageName: "\01?require_complete@@3UUseCompleteType@@A", scope: !0, file: !5, line: 15, type: !11, isLocal: false, isDefinition: true))
> !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "UseCompleteType", file: !5, line: 10, size: 64, align: 64, elements: !12, identifier: ".?AUUseCompleteType@@")
> !12 = !{!13, !17, !21}
> !13 = !DIDerivedType(tag: DW_TAG_member, name: "currencySpcAfterSym", scope: !11, file: !5, line: 13, baseType: !14, size: 64, align: 64)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/2009-11-05-DeadGlobalVariable.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/2009-11-05-DeadGlobalVariable.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/2009-11-05-DeadGlobalVariable.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/2009-11-05-DeadGlobalVariable.ll Mon Dec 19 20:09:43 2016
> @@ -18,7 +18,7 @@ entry:
> !8 = !{!9}
> !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !12 = !{!14}
> -!14 = !DIGlobalVariable(name: "bar", line: 2, isLocal: true, isDefinition: true, scope: !5, file: !6, type: !9)
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "bar", line: 2, isLocal: true, isDefinition: true, scope: !5, file: !6, type: !9))
> !15 = !DILocation(line: 3, column: 3, scope: !16)
> !16 = distinct !DILexicalBlock(line: 1, column: 11, file: !17, scope: !5)
> !17 = !DIFile(filename: "fb.c", directory: "/private/tmp")
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/2009-11-06-NamelessGlobalVariable.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/2009-11-06-NamelessGlobalVariable.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/2009-11-06-NamelessGlobalVariable.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/2009-11-06-NamelessGlobalVariable.ll Mon Dec 19 20:09:43 2016
> @@ -7,7 +7,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 139632)", isOptimized: true, emissionKind: FullDebug, file: !8, enums: !2, retainedTypes: !2, globals: !3)
> !2 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "a", line: 2, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 2, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "g.c", directory: "/private/tmp")
> !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !8 = !DIFile(filename: "g.c", directory: "/private/tmp")
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/2010-06-29-InlinedFnLocalVar.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/2010-06-29-InlinedFnLocalVar.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/2010-06-29-InlinedFnLocalVar.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/2010-06-29-InlinedFnLocalVar.ll Mon Dec 19 20:09:43 2016
> @@ -45,7 +45,7 @@ entry:
> !13 = !{!14, !15}
> !14 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 10, size: 32, align: 32, file: !27, scope: !12, baseType: !5)
> !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 10, size: 32, align: 32, offset: 32, file: !27, scope: !12, baseType: !5)
> -!16 = !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5))
> !17 = !DILocation(line: 15, scope: !18)
> !18 = distinct !DILexicalBlock(line: 14, column: 0, file: !1, scope: !6)
> !19 = !DILocation(line: 9, scope: !0, inlinedAt: !17)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/accel-table-hash-collisions.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/accel-table-hash-collisions.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/accel-table-hash-collisions.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/accel-table-hash-collisions.ll Mon Dec 19 20:09:43 2016
> @@ -73,19 +73,19 @@
> !1 = !DIFile(filename: "hash-collisions.c", directory: "/tmp")
> !2 = !{}
> !3 = !{!4, !6, !7, !8, !9, !10, !11, !12, !13, !14, !15, !16}
> -!4 = !DIGlobalVariable(name: "ForceTopDown", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ForceTopDown", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> -!6 = !DIGlobalVariable(name: "_ZNSt3__116allocator_traitsINS_9allocatorINS_11__tree_nodeINS_12__value_typeIPN4llvm10BasicBlockEPNS4_10RegionNodeEEEPvEEEEE11__constructIS9_JNS_4pairIS6_S8_EEEEEvNS_17integral_constantIbLb1EEERSC_PT_DpOT0_", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true)
> -!7 = !DIGlobalVariable(name: "_ZN5clang23DataRecursiveASTVisitorIN12_GLOBAL__N_124UnusedBackingIvarCheckerEE26TraverseCUDAKernelCallExprEPNS_18CUDAKernelCallExprE", scope: !0, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true)
> -!8 = !DIGlobalVariable(name: "_ZN4llvm16DenseMapIteratorIPNS_10MDLocationENS_6detail13DenseSetEmptyENS_10MDNodeInfoIS1_EENS3_12DenseSetPairIS2_EELb0EE23AdvancePastEmptyBucketsEv", scope: !0, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true)
> -!9 = !DIGlobalVariable(name: "_ZNK4llvm12LivePhysRegs5printERNS_11raw_ostreamE", scope: !0, file: !1, line: 5, type: !5, isLocal: false, isDefinition: true)
> -!10 = !DIGlobalVariable(name: "_ZN4llvm15ScalarEvolution14getSignedRangeEPKNS_4SCEVE", scope: !0, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true)
> -!11 = !DIGlobalVariable(name: "k1", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true)
> -!12 = !DIGlobalVariable(name: "is", scope: !0, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true)
> -!13 = !DIGlobalVariable(name: "setStmt", scope: !0, file: !1, line: 9, type: !5, isLocal: false, isDefinition: true)
> -!14 = !DIGlobalVariable(name: "_ZN4llvm5TwineC1Ei", scope: !0, file: !1, line: 10, type: !5, isLocal: false, isDefinition: true)
> -!15 = !DIGlobalVariable(name: "_ZNK5clang12OverrideAttr5cloneERNS_10ASTContextE", scope: !0, file: !1, line: 11, type: !5, isLocal: false, isDefinition: true)
> -!16 = !DIGlobalVariable(name: "_ZN4llvm22MachineModuleInfoMachOD2Ev", scope: !0, file: !1, line: 12, type: !5, isLocal: false, isDefinition: true)
> +!6 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZNSt3__116allocator_traitsINS_9allocatorINS_11__tree_nodeINS_12__value_typeIPN4llvm10BasicBlockEPNS4_10RegionNodeEEEPvEEEEE11__constructIS9_JNS_4pairIS6_S8_EEEEEvNS_17integral_constantIbLb1EEERSC_PT_DpOT0_", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true))
> +!7 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZN5clang23DataRecursiveASTVisitorIN12_GLOBAL__N_124UnusedBackingIvarCheckerEE26TraverseCUDAKernelCallExprEPNS_18CUDAKernelCallExprE", scope: !0, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true))
> +!8 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZN4llvm16DenseMapIteratorIPNS_10MDLocationENS_6detail13DenseSetEmptyENS_10MDNodeInfoIS1_EENS3_12DenseSetPairIS2_EELb0EE23AdvancePastEmptyBucketsEv", scope: !0, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true))
> +!9 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZNK4llvm12LivePhysRegs5printERNS_11raw_ostreamE", scope: !0, file: !1, line: 5, type: !5, isLocal: false, isDefinition: true))
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZN4llvm15ScalarEvolution14getSignedRangeEPKNS_4SCEVE", scope: !0, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true))
> +!11 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "k1", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true))
> +!12 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "is", scope: !0, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true))
> +!13 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "setStmt", scope: !0, file: !1, line: 9, type: !5, isLocal: false, isDefinition: true))
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZN4llvm5TwineC1Ei", scope: !0, file: !1, line: 10, type: !5, isLocal: false, isDefinition: true))
> +!15 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZNK5clang12OverrideAttr5cloneERNS_10ASTContextE", scope: !0, file: !1, line: 11, type: !5, isLocal: false, isDefinition: true))
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_ZN4llvm22MachineModuleInfoMachOD2Ev", scope: !0, file: !1, line: 12, type: !5, isLocal: false, isDefinition: true))
> !17 = !{i32 2, !"Dwarf Version", i32 2}
> !18 = !{i32 2, !"Debug Info Version", i32 3}
> !19 = !{i32 1, !"PIC Level", i32 2}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce-distinct.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce-distinct.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce-distinct.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce-distinct.ll Mon Dec 19 20:09:43 2016
> @@ -69,14 +69,14 @@ attributes #1 = { nounwind readnone }
> !7 = !{!8, !8}
> !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !9 = !{!10}
> -!10 = !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !5, type: !11)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !5, type: !11))
> !11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !6)
> !12 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !13, enums: !2, retainedTypes: !2, globals: !17, imports: !2)
> !13 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")
> !15 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !12, scopeLine: 1, file: !13, scope: !16, type: !6, variables: !2)
> !16 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")
> !17 = !{!18}
> -!18 = !DIGlobalVariable(name: "y", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !11)
> +!18 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "y", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !11))
> !19 = !{i32 2, !"Dwarf Version", i32 4}
> !20 = !{i32 1, !"Debug Info Version", i32 3}
> !21 = !{!"clang version 3.5.0 "}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/cross-cu-linkonce.ll Mon Dec 19 20:09:43 2016
> @@ -58,12 +58,12 @@ attributes #1 = { nounwind readnone }
> !8 = !{!9, !9}
> !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !10 = !{!11}
> -!11 = !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12)
> +!11 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12))
> !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7)
> !13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !14, enums: !2, retainedTypes: !2, globals: !15, imports: !2)
> !14 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")
> !15 = !{!16}
> -!16 = !DIGlobalVariable(name: "y", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "y", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12))
> !17 = !{i32 2, !"Dwarf Version", i32 4}
> !18 = !{i32 1, !"Debug Info Version", i32 3}
> !19 = !{!"clang version 3.5.0 "}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/dbg-at-specficiation.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/dbg-at-specficiation.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/dbg-at-specficiation.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/dbg-at-specficiation.ll Mon Dec 19 20:09:43 2016
> @@ -11,7 +11,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 140253)", isOptimized: true, emissionKind: FullDebug, file: !11, enums: !2, retainedTypes: !2, globals: !3)
> !2 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "x.c", directory: "/private/tmp")
> !7 = !DICompositeType(tag: DW_TAG_array_type, size: 320, align: 32, baseType: !8, elements: !9)
> !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/debuginfofinder-forward-declaration.ll Mon Dec 19 20:09:43 2016
> @@ -31,7 +31,7 @@
> !1 = !DIFile(filename: "minimal.c", directory: "/tmp")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "y", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "y", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true))
> !5 = !DICompositeType(tag: DW_TAG_structure_type, name: "Y", file: !1, line: 3, size: 64, align: 64, elements: !6)
> !6 = !{!7}
> !7 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !5, file: !1, line: 4, baseType: !8, size: 64, align: 64)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/dwarf-public-names.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/dwarf-public-names.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/dwarf-public-names.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/dwarf-public-names.ll Mon Dec 19 20:09:43 2016
> @@ -114,9 +114,9 @@ attributes #1 = { nounwind readnone }
> !22 = !DISubroutineType(types: !23)
> !23 = !{null}
> !24 = !{!25, !26, !27}
> -!25 = !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", line: 7, isLocal: false, isDefinition: true, scope: !8, file: !4, type: !11, declaration: !10)
> -!26 = !DIGlobalVariable(name: "global_variable", line: 17, isLocal: false, isDefinition: true, scope: null, file: !4, type: !8)
> -!27 = !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", line: 27, isLocal: false, isDefinition: true, scope: !21, file: !4, type: !11)
> +!25 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", line: 7, isLocal: false, isDefinition: true, scope: !8, file: !4, type: !11, declaration: !10))
> +!26 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global_variable", line: 17, isLocal: false, isDefinition: true, scope: null, file: !4, type: !8))
> +!27 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", line: 27, isLocal: false, isDefinition: true, scope: !21, file: !4, type: !11))
> !28 = !DILocalVariable(name: "this", line: 9, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !3, file: !4, type: !29)
> !29 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
> !30 = !DILocation(line: 9, scope: !3)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/enum.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/enum.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/enum.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/enum.ll Mon Dec 19 20:09:43 2016
> @@ -70,7 +70,7 @@ attributes #1 = { nounwind readnone }
> !15 = !DISubroutineType(types: !16)
> !16 = !{null}
> !17 = !{!18}
> -!18 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !14, type: !3)
> +!18 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !14, type: !3))
> !19 = !{i32 2, !"Dwarf Version", i32 3}
> !20 = !DILocalVariable(name: "b", line: 4, scope: !13, file: !14, type: !21)
> !21 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/global.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/global.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/global.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/global.ll Mon Dec 19 20:09:43 2016
> @@ -35,7 +35,7 @@ attributes #0 = { nounwind readnone uwta
> !7 = !{!8}
> !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !9 = !{!10}
> -!10 = !DIGlobalVariable(name: "i", linkageName: "_ZL1i", line: 1, isLocal: true, isDefinition: true, scope: null, file: !5, type: !8)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", linkageName: "_ZL1i", line: 1, isLocal: true, isDefinition: true, scope: null, file: !5, type: !8))
> !11 = !{i32 2, !"Dwarf Version", i32 3}
> !12 = !DILocation(line: 4, scope: !4)
> !13 = !{i32 1, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/gvn.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/gvn.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/gvn.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/gvn.ll Mon Dec 19 20:09:43 2016
> @@ -81,8 +81,8 @@ attributes #3 = { nounwind }
> !13 = !DISubroutineType(types: !14)
> !14 = !{null}
> !15 = !{!16, !17}
> -!16 = !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true)
> -!17 = !DIGlobalVariable(name: "b", scope: !0, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true))
> +!17 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", scope: !0, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true))
> !18 = !{i32 2, !"Dwarf Version", i32 2}
> !19 = !{i32 2, !"Debug Info Version", i32 3}
> !20 = !{!"clang version 3.8.0 (trunk 245562) (llvm/trunk 245569)"}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/member-pointers.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/member-pointers.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/member-pointers.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/member-pointers.ll Mon Dec 19 20:09:43 2016
> @@ -26,12 +26,12 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 ", isOptimized: false, emissionKind: FullDebug, file: !15, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5, !10}
> -!5 = !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "simple.cpp", directory: "/home/blaikie/Development/scratch")
> !7 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !8, extraData: !9)
> !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", line: 1, size: 8, align: 8, file: !15, elements: !1)
> -!10 = !DIGlobalVariable(name: "y", line: 5, isLocal: false, isDefinition: true, scope: null, file: !6, type: !11)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "y", line: 5, isLocal: false, isDefinition: true, scope: null, file: !6, type: !11))
> !11 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !12, extraData: !9)
> !12 = !DISubroutineType(types: !13)
> !13 = !{null, !14, !8}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/namespace.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/namespace.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/namespace.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/namespace.ll Mon Dec 19 20:09:43 2016
> @@ -200,8 +200,8 @@
> ; }
> ; void B::func_fwd() {}
> 
> - at _ZN1A1B1iE = global i32 0, align 4, !dbg !31
> - at _ZN1A1B7var_fwdE = global i32 0, align 4, !dbg !32
> + at _ZN1A1B1iE = global i32 0, align 4, !dbg !131
> + at _ZN1A1B7var_fwdE = global i32 0, align 4, !dbg !132
> @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, i8* null }]
> 
> ; Function Attrs: nounwind ssp uwtable
> @@ -316,7 +316,7 @@ attributes #1 = { nounwind readnone }
> !27 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__sub_I_debug_info_namespace.cpp", isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !0, file: !1, scope: !28, type: !29, variables: !2)
> !28 = !DIFile(filename: "debug-info-namespace.cpp", directory: "/tmp")
> !29 = !DISubroutineType(types: !2)
> -!30 = !{!31, !32}
> +!30 = !{!131, !132}
> !31 = !DIGlobalVariable(name: "i", linkageName: "_ZN1A1B1iE", line: 20, isLocal: false, isDefinition: true, scope: !6, file: !18, type: !13)
> !32 = !DIGlobalVariable(name: "var_fwd", linkageName: "_ZN1A1B7var_fwdE", line: 44, isLocal: false, isDefinition: true, scope: !6, file: !18, type: !13)
> !33 = !{!34, !35, !36, !37, !40, !41, !42, !43, !44, !45, !47, !48, !49, !51, !54, !55, !56}
> @@ -362,3 +362,5 @@ attributes #1 = { nounwind readnone }
> !73 = !DILocation(line: 47, column: 21, scope: !26)
> !74 = !DILocation(line: 0, scope: !75)
> !75 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !27)
> +!131 = !DIGlobalVariableExpression(var: !31)
> +!132 = !DIGlobalVariableExpression(var: !32)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/recursive_inlining.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/recursive_inlining.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/recursive_inlining.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/recursive_inlining.ll Mon Dec 19 20:09:43 2016
> @@ -225,7 +225,7 @@ attributes #3 = { nounwind }
> !24 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !22, type: !25)
> !25 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
> !26 = !{!27}
> -!27 = !DIGlobalVariable(name: "x", line: 13, isLocal: false, isDefinition: true, scope: null, file: !15, type: !25)
> +!27 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 13, isLocal: false, isDefinition: true, scope: null, file: !15, type: !25))
> !28 = !{i32 2, !"Dwarf Version", i32 4}
> !29 = !{i32 2, !"Debug Info Version", i32 3}
> !30 = !{!"clang version 3.6.0 "}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/template-recursive-void.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/template-recursive-void.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/template-recursive-void.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/template-recursive-void.ll Mon Dec 19 20:09:43 2016
> @@ -29,7 +29,7 @@
> !1 = !DIFile(filename: "debug-info-template-recursive.cpp", directory: "/usr/local/google/home/echristo/tmp")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "filters", line: 10, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "filters", line: 10, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6))
> !5 = !DIFile(filename: "debug-info-template-recursive.cpp", directory: "/usr/local/google/home/echristo/tmp")
> !6 = !DICompositeType(tag: DW_TAG_class_type, name: "bar", line: 9, size: 8, align: 8, file: !1, elements: !7)
> !7 = !{!8, !31}
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/tu-member-pointer.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/tu-member-pointer.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/tu-member-pointer.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/tu-member-pointer.ll Mon Dec 19 20:09:43 2016
> @@ -22,7 +22,7 @@
> !3 = !{!4}
> !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", line: 1, flags: DIFlagFwdDecl, file: !1, identifier: "_ZTS3Foo")
> !5 = !{!6}
> -!6 = !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !7, type: !8)
> +!6 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !7, type: !8))
> !7 = !DIFile(filename: "foo.cpp", directory: ".")
> !8 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !9, extraData: !4)
> !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> 
> Modified: llvm/trunk/test/DebugInfo/Generic/typedef.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/typedef.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Generic/typedef.ll (original)
> +++ llvm/trunk/test/DebugInfo/Generic/typedef.ll Mon Dec 19 20:09:43 2016
> @@ -22,7 +22,7 @@
> !1 = !DIFile(filename: "typedef.cpp", directory: "/tmp/dbginfo")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "y", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "y", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6))
> !5 = !DIFile(filename: "typedef.cpp", directory: "/tmp/dbginfo")
> !6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7)
> !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "x", line: 1, file: !1, baseType: null)
> 
> Modified: llvm/trunk/test/DebugInfo/MIR/X86/live-debug-values.mir
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/MIR/X86/live-debug-values.mir?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/MIR/X86/live-debug-values.mir (original)
> +++ llvm/trunk/test/DebugInfo/MIR/X86/live-debug-values.mir Mon Dec 19 20:09:43 2016
> @@ -33,7 +33,7 @@
> # DBG_VALUE for variable "n" is extended into BB#5 from its predecessors BB#3
> # and BB#4.
> # CHECK:      bb.5.if.end.7:
> -# CHECK:        DBG_VALUE debug-use %ebx, debug-use _, !18, !19, debug-location !32
> +# CHECK:        DBG_VALUE debug-use %ebx, debug-use _, !19, !20, debug-location !33
> 
> 
> --- |
> @@ -121,7 +121,7 @@
>   !13 = !DILocalVariable(name: "argv", arg: 2, scope: !4, file: !1, line: 6, type: !8)
>   !14 = !DILocalVariable(name: "n", scope: !4, file: !1, line: 7, type: !7)
>   !15 = !{!16}
> -  !16 = !DIGlobalVariable(name: "m", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)
> +  !16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "m", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true))
>   !17 = !{i32 2, !"Dwarf Version", i32 4}
>   !18 = !{i32 2, !"Debug Info Version", i32 3}
>   !19 = !{!"clang version 3.8.0 (trunk 253049)"}
> 
> Modified: llvm/trunk/test/DebugInfo/MIR/X86/mlicm-hoist.mir
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/MIR/X86/mlicm-hoist.mir?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/MIR/X86/mlicm-hoist.mir (original)
> +++ llvm/trunk/test/DebugInfo/MIR/X86/mlicm-hoist.mir Mon Dec 19 20:09:43 2016
> @@ -55,7 +55,7 @@
>   !llvm.module.flags = !{!6, !7}
>   !llvm.ident = !{!8}
> 
> -  !0 = distinct !DIGlobalVariable(name: "x", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
> +  !0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true))
>   !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
>   !2 = !DIFile(filename: "t.c", directory: "/home/test")
>   !3 = !{}
> 
> Modified: llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll (original)
> +++ llvm/trunk/test/DebugInfo/Mips/InlinedFnLocalVar.ll Mon Dec 19 20:09:43 2016
> @@ -45,7 +45,7 @@ entry:
> !13 = !{!14, !15}
> !14 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 10, size: 32, align: 32, file: !27, scope: !12, baseType: !5)
> !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 10, size: 32, align: 32, offset: 32, file: !27, scope: !12, baseType: !5)
> -!16 = !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5))
> !17 = !DILocation(line: 15, scope: !18)
> !18 = distinct !DILexicalBlock(line: 14, column: 0, file: !1, scope: !6)
> !19 = !DILocation(line: 9, scope: !0, inlinedAt: !17)
> 
> Modified: llvm/trunk/test/DebugInfo/PowerPC/tls-fission.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/PowerPC/tls-fission.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/PowerPC/tls-fission.ll (original)
> +++ llvm/trunk/test/DebugInfo/PowerPC/tls-fission.ll Mon Dec 19 20:09:43 2016
> @@ -26,7 +26,7 @@
> !1 = !DIFile(filename: "tls.cpp", directory: "/tmp")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6))
> !5 = !DIFile(filename: "tls.cpp", directory: "/tmp")
> !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !{i32 2, !"Dwarf Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/PowerPC/tls.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/PowerPC/tls.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/PowerPC/tls.ll (original)
> +++ llvm/trunk/test/DebugInfo/PowerPC/tls.ll Mon Dec 19 20:09:43 2016
> @@ -21,7 +21,7 @@
> !1 = !DIFile(filename: "tls.cpp", directory: "/tmp")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6))
> !5 = !DIFile(filename: "tls.cpp", directory: "/tmp")
> !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !{i32 2, !"Dwarf Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/WebAssembly/dbg-declare.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/WebAssembly/dbg-declare.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/WebAssembly/dbg-declare.ll (original)
> +++ llvm/trunk/test/DebugInfo/WebAssembly/dbg-declare.ll Mon Dec 19 20:09:43 2016
> @@ -45,7 +45,7 @@ declare void @llvm.dbg.declare(metadata,
> !1 = !DIFile(filename: "crash.c", directory: "wasm/tests")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "key", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "key", scope: !0, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true))
> !5 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 120, align: 8, elements: !9)
> !6 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !7, line: 185, baseType: !8)
> !7 = !DIFile(filename: "wasm/emscripten/system/include/libc/bits/alltypes.h", directory: "wasm/tests")
> 
> Modified: llvm/trunk/test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll Mon Dec 19 20:09:43 2016
> @@ -27,7 +27,7 @@ declare void @llvm.dbg.declare(metadata,
> !8 = !{!9}
> !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !12 = !{!14}
> -!14 = !DIGlobalVariable(name: "GLB", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9)
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "GLB", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9))
> !15 = !DILocalVariable(name: "LOC", line: 4, scope: !16, file: !6, type: !9)
> !16 = distinct !DILexicalBlock(line: 3, column: 9, file: !20, scope: !5)
> !17 = !DILocation(line: 4, column: 9, scope: !16)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/DIModuleContext.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/DIModuleContext.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/DIModuleContext.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/DIModuleContext.ll Mon Dec 19 20:09:43 2016
> @@ -20,7 +20,7 @@ target triple = "x86_64-apple-macosx"
> !1 = !DIFile(filename: "test.c", directory: "/")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, align: 64)
> !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "s", scope: !9, file: !1, line: 1, flags: DIFlagFwdDecl)
> !7 = !{i32 2, !"Dwarf Version", i32 2}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/DW_AT_calling-convention.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/DW_AT_calling-convention.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/DW_AT_calling-convention.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/DW_AT_calling-convention.ll Mon Dec 19 20:09:43 2016
> @@ -67,7 +67,7 @@ attributes #1 = { nounwind readnone }
> !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "fptr", linkageName: "\01?fptr@@3P6IHHH at ZA", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "fptr", linkageName: "\01?fptr@@3P6IHHH at ZA", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 32, align: 32)
> !6 = !DISubroutineType(cc: DW_CC_BORLAND_msfastcall, types: !7)
> !7 = !{!8, !8, !8}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/DW_AT_specification.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/DW_AT_specification.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/DW_AT_specification.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/DW_AT_specification.ll Mon Dec 19 20:09:43 2016
> @@ -32,7 +32,7 @@ entry:
> !12 = !DICompositeType(tag: DW_TAG_class_type, name: "foo", line: 1, size: 8, align: 8, file: !27, elements: !13)
> !13 = !{!11}
> !18 = !{!20}
> -!20 = !DIGlobalVariable(name: "x", line: 5, isLocal: true, isDefinition: true, scope: !5, file: !6, type: !21)
> +!20 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 5, isLocal: true, isDefinition: true, scope: !5, file: !6, type: !21))
> !21 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !22)
> !22 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !25 = !DILocation(line: 6, column: 1, scope: !26)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/DW_TAG_friend.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/DW_TAG_friend.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/DW_TAG_friend.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/DW_TAG_friend.ll Mon Dec 19 20:09:43 2016
> @@ -21,7 +21,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.1 (trunk 153413) (llvm/trunk 153428)", isOptimized: false, emissionKind: FullDebug, file: !28, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5, !17}
> -!5 = !DIGlobalVariable(name: "a", line: 10, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 10, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo/tmp")
> !7 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 32, align: 32, file: !28, elements: !8)
> !8 = !{!9, !11}
> @@ -31,7 +31,7 @@
> !12 = !DISubroutineType(types: !13)
> !13 = !{null, !14}
> !14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, baseType: !7)
> -!17 = !DIGlobalVariable(name: "b", line: 11, isLocal: false, isDefinition: true, scope: null, file: !6, type: !18)
> +!17 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", line: 11, isLocal: false, isDefinition: true, scope: null, file: !6, type: !18))
> !18 = !DICompositeType(tag: DW_TAG_class_type, name: "B", line: 5, size: 32, align: 32, file: !28, elements: !19)
> !19 = !{!20, !21, !27}
> !20 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 7, size: 32, align: 32, flags: DIFlagPrivate, file: !28, scope: !18, baseType: !10)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/InlinedFnLocalVar.ll Mon Dec 19 20:09:43 2016
> @@ -45,7 +45,7 @@ entry:
> !13 = !{!14, !15}
> !14 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 10, size: 32, align: 32, file: !27, scope: !12, baseType: !5)
> !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 10, size: 32, align: 32, offset: 32, file: !27, scope: !12, baseType: !5)
> -!16 = !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5))
> !17 = !DILocation(line: 15, scope: !18)
> !18 = distinct !DILexicalBlock(line: 14, column: 0, file: !1, scope: !6)
> !19 = !DILocation(line: 9, scope: !0, inlinedAt: !17)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/PR26148.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/PR26148.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/PR26148.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/PR26148.ll Mon Dec 19 20:09:43 2016
> @@ -86,7 +86,7 @@ entry:
> !18 = !DISubroutineType(types: !19)
> !19 = !{!15}
> !20 = !{!21}
> -!21 = !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 4, type: !11, isLocal: false, isDefinition: true)
> +!21 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 4, type: !11, isLocal: false, isDefinition: true))
> !22 = !{i32 2, !"Dwarf Version", i32 2}
> !23 = !{i32 2, !"Debug Info Version", i32 3}
> !24 = !{i32 1, !"PIC Level", i32 2}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/align_c11.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/align_c11.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/align_c11.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/align_c11.ll Mon Dec 19 20:09:43 2016
> @@ -56,7 +56,7 @@ attributes #1 = { nounwind readnone }
> !llvm.module.flags = !{!14, !15}
> !llvm.ident = !{!16}
> 
> -!0 = distinct !DIGlobalVariable(name: "d", scope: !1, file: !5, line: 7, type: !6, isLocal: false, isDefinition: true, align: 16384)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "d", scope: !1, file: !5, line: 7, type: !6, isLocal: false, isDefinition: true, align: 16384))
> !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git 9ce5220b821054019059c2ac4a9b132c7723832d) (http://llvm.org/git/llvm.git 9a6298be89ce0359b151c0a37af2776a12c69e85)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "test.c", directory: "/tmp")
> !3 = !{}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/align_cpp11.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/align_cpp11.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/align_cpp11.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/align_cpp11.ll Mon Dec 19 20:09:43 2016
> @@ -118,7 +118,7 @@ attributes #1 = { nounwind readnone }
> !llvm.module.flags = !{!19, !20}
> !llvm.ident = !{!21}
> 
> -!0 = distinct !DIGlobalVariable(name: "c0", scope: !1, file: !5, line: 19, type: !17, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c0", scope: !1, file: !5, line: 19, type: !17, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git 9ce5220b821054019059c2ac4a9b132c7723832d) (http://llvm.org/git/llvm.git 9a6298be89ce0359b151c0a37af2776a12c69e85)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !10)
> !2 = !DIFile(filename: "test.cpp", directory: "/tmp")
> !3 = !{!4}
> @@ -129,7 +129,7 @@ attributes #1 = { nounwind readnone }
> !8 = !DIEnumerator(name: "B", value: 1)
> !9 = !DIEnumerator(name: "C", value: 2)
> !10 = !{!0, !11}
> -!11 = distinct !DIGlobalVariable(name: "s", scope: !1, file: !5, line: 21, type: !12, isLocal: false, isDefinition: true, align: 16384)
> +!11 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s", scope: !1, file: !5, line: 21, type: !12, isLocal: false, isDefinition: true, align: 16384))
> !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !5, line: 1, size: 2048, elements: !13, identifier: "_ZTS1S")
> !13 = !{!14, !16}
> !14 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !12, file: !5, line: 2, baseType: !15, size: 8)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/align_objc.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/align_objc.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/align_objc.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/align_objc.ll Mon Dec 19 20:09:43 2016
> @@ -68,7 +68,7 @@ attributes #1 = { nounwind readnone }
> !llvm.module.flags = !{!11, !12}
> !llvm.ident = !{!13}
> 
> -!0 = distinct !DIGlobalVariable(name: "s0", scope: !1, file: !5, line: 10, type: !6, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s0", scope: !1, file: !5, line: 10, type: !6, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git 9ce5220b821054019059c2ac4a9b132c7723832d) (http://llvm.org/git/llvm.git 9a6298be89ce0359b151c0a37af2776a12c69e85)", isOptimized: false, runtimeVersion: 1, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "test.m", directory: "/tmp")
> !3 = !{}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/arange-and-stub.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/arange-and-stub.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/arange-and-stub.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/arange-and-stub.ll Mon Dec 19 20:09:43 2016
> @@ -42,7 +42,7 @@ lpad:
> !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !9 = distinct !DISubprogram(name: "bar_d", linkageName: "bar", scope: !5, file: !5, line: 3, type: !6, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
> !10 = !{!11}
> -!11 = !DIGlobalVariable(name: "zed", scope: !0, file: !5, line: 6, type: !12, isLocal: false, isDefinition: true)
> +!11 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "zed", scope: !0, file: !5, line: 6, type: !12, isLocal: false, isDefinition: true))
> !12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 64, align: 64, elements: !15)
> !13 = !DIDerivedType(tag: DW_TAG_typedef, name: "vifunc", file: !5, line: 5, baseType: !14)
> !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, align: 64)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/arange.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/arange.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/arange.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/arange.ll Mon Dec 19 20:09:43 2016
> @@ -39,7 +39,7 @@
> !7 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
> !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !9 = !{!10}
> -!10 = !DIGlobalVariable(name: "f", line: 6, isLocal: false, isDefinition: true, scope: null, file: !11, type: !4)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", line: 6, isLocal: false, isDefinition: true, scope: null, file: !11, type: !4))
> !11 = !DIFile(filename: "simple.cpp", directory: "/tmp/dbginfo")
> !12 = !{i32 2, !"Dwarf Version", i32 4}
> !13 = !{i32 1, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-4.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-4.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-4.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-4.ll Mon Dec 19 20:09:43 2016
> @@ -22,7 +22,7 @@ target triple = "x86_64-unknown-linux-gn
> !llvm.module.flags = !{!9, !10}
> !llvm.ident = !{!11}
> 
> -!0 = distinct !DIGlobalVariable(name: "i", scope: !1, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", scope: !1, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git cd238117e3a8a57271a82d0bb03d6df6ad8f073e) (http://llvm.org/git/llvm.git 9fd063832c1541aad3907cd60ac344d36997905f)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "atomic.c", directory: "/tmp")
> !3 = !{}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-5.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-5.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-5.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/atomic-c11-dwarf-5.ll Mon Dec 19 20:09:43 2016
> @@ -23,7 +23,7 @@ target triple = "x86_64-unknown-linux-gn
> !llvm.module.flags = !{!9, !10}
> !llvm.ident = !{!11}
> 
> -!0 = distinct !DIGlobalVariable(name: "i", scope: !1, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", scope: !1, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git cd238117e3a8a57271a82d0bb03d6df6ad8f073e) (http://llvm.org/git/llvm.git 9fd063832c1541aad3907cd60ac344d36997905f)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "atomic.c", directory: "/tmp")
> !3 = !{}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/bitfields-dwarf4.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/bitfields-dwarf4.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/bitfields-dwarf4.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/bitfields-dwarf4.ll Mon Dec 19 20:09:43 2016
> @@ -31,7 +31,7 @@ target triple = "x86_64-apple-macosx"
> !1 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true))
> !5 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PackedBits", file: !1, line: 3, size: 40, elements: !6)
> !6 = !{!7, !9, !13}
> 
> 
> Modified: llvm/trunk/test/DebugInfo/X86/bitfields.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/bitfields.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/bitfields.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/bitfields.ll Mon Dec 19 20:09:43 2016
> @@ -58,7 +58,7 @@ target triple = "x86_64-apple-macosx"
> !1 = !DIFile(filename: "bitfields.c", directory: "/")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "b", scope: !0, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", scope: !0, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true))
> !5 = !DIFile(filename: "bitfields.c", directory: "/")
> !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "bitfield", file: !5, line: 1, size: 96, elements: !7)
> !7 = !{!8, !10, !11, !12}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/c-type-units.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/c-type-units.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/c-type-units.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/c-type-units.ll Mon Dec 19 20:09:43 2016
> @@ -21,7 +21,7 @@
> !1 = !DIFile(filename: "simple.c", directory: "/tmp/dbginfo")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "f", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6))
> !5 = !DIFile(filename: "simple.c", directory: "/tmp/dbginfo")
> !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, align: 8, file: !1, elements: !2)
> !7 = !{i32 2, !"Dwarf Version", i32 4}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/concrete_out_of_line.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/concrete_out_of_line.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/concrete_out_of_line.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/concrete_out_of_line.ll Mon Dec 19 20:09:43 2016
> @@ -118,7 +118,7 @@ declare void @_Z8moz_freePv(i8*)
> !45 = !DILocalVariable(name: "this", line: 4, arg: 1, flags: DIFlagArtificial, scope: !31, file: !6, type: !34)
> !46 = !DILocalVariable(name: "aValue", line: 4, arg: 2, scope: !31, file: !6, type: !9)
> !47 = !{!49}
> -!49 = !DIGlobalVariable(name: "mRefCnt", line: 9, isLocal: false, isDefinition: true, scope: null, file: !6, type: !37)
> +!49 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "mRefCnt", line: 9, isLocal: false, isDefinition: true, scope: null, file: !6, type: !37))
> !50 = !DILocation(line: 5, column: 5, scope: !51, inlinedAt: !52)
> !51 = distinct !DILexicalBlock(line: 4, column: 29, file: !6, scope: !31)
> !52 = !DILocation(line: 15, scope: !53)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/cu-ranges-odr.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/cu-ranges-odr.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/cu-ranges-odr.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/cu-ranges-odr.ll Mon Dec 19 20:09:43 2016
> @@ -81,7 +81,7 @@ attributes #1 = { nounwind readnone }
> !19 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__I_a", line: 3, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !15, type: !20, variables: !2)
> !20 = !DISubroutineType(types: !2)
> !21 = !{!22}
> -!22 = !DIGlobalVariable(name: "a", line: 8, isLocal: false, isDefinition: true, scope: null, file: !15, type: !4)
> +!22 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 8, isLocal: false, isDefinition: true, scope: null, file: !15, type: !4))
> !23 = !{i32 2, !"Dwarf Version", i32 4}
> !24 = !{i32 1, !"Debug Info Version", i32 3}
> !25 = !{!"clang version 3.5 (trunk 199923) (llvm/trunk 199940)"}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/data_member_location.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/data_member_location.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/data_member_location.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/data_member_location.ll Mon Dec 19 20:09:43 2016
> @@ -45,7 +45,7 @@
> !8 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 3, size: 32, align: 32, offset: 32, file: !1, scope: !4, baseType: !9)
> !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !10 = !{!11}
> -!11 = !DIGlobalVariable(name: "f", line: 6, isLocal: false, isDefinition: true, scope: null, file: !12, type: !4)
> +!11 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", line: 6, isLocal: false, isDefinition: true, scope: null, file: !12, type: !4))
> !12 = !DIFile(filename: "data_member_location.cpp", directory: "/tmp/dbginfo")
> !13 = !{i32 2, !"Dwarf Version", i32 4}
> !14 = !{!"clang version 3.4 "}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/dbg-subrange.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dbg-subrange.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dbg-subrange.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dbg-subrange.ll Mon Dec 19 20:09:43 2016
> @@ -22,7 +22,7 @@ entry:
> !7 = !DISubroutineType(types: !8)
> !8 = !{null}
> !11 = !{!13}
> -!13 = !DIGlobalVariable(name: "s", line: 2, isLocal: false, isDefinition: true, scope: null, file: !6, type: !14)
> +!13 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s", line: 2, isLocal: false, isDefinition: true, scope: null, file: !6, type: !14))
> !14 = !DICompositeType(tag: DW_TAG_array_type, size: 34359738368, align: 8, baseType: !15, elements: !16)
> !15 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
> !16 = !{!17}
> 
> 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=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dbg-value-inlined-parameter.ll Mon Dec 19 20:09:43 2016
> @@ -93,7 +93,7 @@ declare void @llvm.dbg.value(metadata, i
> !16 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
> !17 = !DIDerivedType(tag: DW_TAG_member, name: "nums", line: 3, size: 32, align: 32, offset: 64, file: !42, scope: !1, baseType: !5)
> !18 = !DILocalVariable(name: "nums", line: 7, arg: 2, scope: !0, file: !1, type: !5)
> -!19 = !DIGlobalVariable(name: "p", line: 14, isLocal: false, isDefinition: true, scope: !2, file: !1, type: !11)
> +!19 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "p", line: 14, isLocal: false, isDefinition: true, scope: !2, file: !1, type: !11))
> !20 = !DILocation(line: 7, column: 13, scope: !0)
> !21 = !DILocation(line: 7, column: 21, scope: !0)
> !22 = !DILocation(line: 9, column: 3, scope: !23)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/dbg-value-regmask-clobber.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dbg-value-regmask-clobber.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dbg-value-regmask-clobber.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dbg-value-regmask-clobber.ll Mon Dec 19 20:09:43 2016
> @@ -89,7 +89,7 @@ attributes #3 = { nounwind }
> !12 = !DILocalVariable(name: "argv", arg: 2, scope: !4, file: !1, line: 4, type: !8)
> !13 = !DILocalVariable(name: "argc", arg: 1, scope: !4, file: !1, line: 4, type: !7)
> !14 = !{!15}
> -!15 = !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !16, isLocal: false, isDefinition: true)
> +!15 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !16, isLocal: false, isDefinition: true))
> !16 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
> !17 = !{i32 2, !"Dwarf Version", i32 4}
> !18 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/debug-info-access.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/debug-info-access.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/debug-info-access.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/debug-info-access.ll Mon Dec 19 20:09:43 2016
> @@ -140,9 +140,9 @@ attributes #0 = { nounwind ssp uwtable }
> !32 = !DISubroutineType(types: !33)
> !33 = !{null}
> !34 = !{!35, !36, !37}
> -!35 = !DIGlobalVariable(name: "a", line: 37, isLocal: false, isDefinition: true, scope: null, file: !31, type: !4)
> -!36 = !DIGlobalVariable(name: "b", line: 38, isLocal: false, isDefinition: true, scope: null, file: !31, type: !12)
> -!37 = !DIGlobalVariable(name: "u", line: 39, isLocal: false, isDefinition: true, scope: null, file: !31, type: !22)
> +!35 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 37, isLocal: false, isDefinition: true, scope: null, file: !31, type: !4))
> +!36 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", line: 38, isLocal: false, isDefinition: true, scope: null, file: !31, type: !12))
> +!37 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "u", line: 39, isLocal: false, isDefinition: true, scope: null, file: !31, type: !22))
> !38 = !{i32 2, !"Dwarf Version", i32 2}
> !39 = !{i32 2, !"Debug Info Version", i32 3}
> !40 = !{!"clang version 3.6.0 "}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll Mon Dec 19 20:09:43 2016
> @@ -152,7 +152,7 @@ target triple = "x86_64-apple-darwin"
> !1 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/<stdin>", directory: "/llvm/_build.ninja.release")
> !2 = !{}
> !3 = !{!4, !18, !25, !35}
> -!4 = !DIGlobalVariable(name: "l0", scope: !0, file: !5, line: 88, type: !6, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "l0", scope: !0, file: !5, line: 88, type: !6, isLocal: false, isDefinition: true))
> !5 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c", directory: "/llvm/_build.ninja.release")
> !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file: !5, line: 15, size: 192, elements: !7)
> !7 = !{!8, !10, !17}
> @@ -166,14 +166,14 @@ target triple = "x86_64-apple-darwin"
> !15 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !11, file: !5, line: 13, baseType: !16, size: 60, offset: 4)
> !16 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
> !17 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !6, file: !5, line: 18, baseType: !14, size: 1, offset: 128)
> -!18 = !DIGlobalVariable(name: "l1", scope: !0, file: !5, line: 89, type: !19, isLocal: false, isDefinition: true)
> +!18 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "l1", scope: !0, file: !5, line: 89, type: !19, isLocal: false, isDefinition: true))
> !19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file: !5, line: 34, size: 96, elements: !20)
> !20 = !{!21, !22, !24}
> !21 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !19, file: !5, line: 35, baseType: !9, size: 8)
> !22 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !19, file: !5, line: 36, baseType: !23, size: 64, offset: 8)
> !23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon", file: !5, line: 30, size: 64, elements: !2)
> !24 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !19, file: !5, line: 37, baseType: !14, size: 1, offset: 72)
> -!25 = !DIGlobalVariable(name: "l2", scope: !0, file: !5, line: 90, type: !26, isLocal: false, isDefinition: true)
> +!25 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "l2", scope: !0, file: !5, line: 90, type: !26, isLocal: false, isDefinition: true))
> !26 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file: !5, line: 54, size: 80, elements: !27)
> !27 = !{!28, !29, !34}
> !28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !26, file: !5, line: 55, baseType: !9, size: 8)
> @@ -183,7 +183,7 @@ target triple = "x86_64-apple-darwin"
> !32 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !30, file: !5, line: 51, baseType: !14, size: 4)
> !33 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !30, file: !5, line: 52, baseType: !16, size: 60, offset: 4)
> !34 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !26, file: !5, line: 57, baseType: !14, size: 1, offset: 72)
> -!35 = !DIGlobalVariable(name: "l3", scope: !0, file: !5, line: 91, type: !36, isLocal: false, isDefinition: true)
> +!35 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "l3", scope: !0, file: !5, line: 91, type: !36, isLocal: false, isDefinition: true))
> !36 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file: !5, line: 76, size: 128, elements: !37)
> !37 = !{!38, !39, !44}
> !38 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !36, file: !5, line: 77, baseType: !9, size: 8)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/debug-info-static-member.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/debug-info-static-member.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/debug-info-static-member.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/debug-info-static-member.ll Mon Dec 19 20:09:43 2016
> @@ -67,7 +67,7 @@ declare void @llvm.dbg.declare(metadata,
> !8 = !{!9}
> !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !10 = !{!12, !27, !28}
> -!12 = !DIGlobalVariable(name: "a", linkageName: "_ZN1C1aE", line: 14, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, declaration: !15)
> +!12 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", linkageName: "_ZN1C1aE", line: 14, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, declaration: !15))
> !13 = !DICompositeType(tag: DW_TAG_class_type, name: "C", line: 1, size: 32, align: 32, file: !33, elements: !14)
> !14 = !{!15, !16, !19, !20, !23, !24, !26}
> !15 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 3, flags: DIFlagPrivate | DIFlagStaticMember, file: !33, scope: !13, baseType: !9)
> @@ -82,8 +82,8 @@ declare void @llvm.dbg.declare(metadata,
> !24 = !DIDerivedType(tag: DW_TAG_member, name: "const_c", line: 10, flags: DIFlagPublic | DIFlagStaticMember, file: !33, scope: !13, baseType: !25, extraData: i32 18)
> !25 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !9)
> !26 = !DIDerivedType(tag: DW_TAG_member, name: "d", line: 11, size: 32, align: 32, flags: DIFlagPublic, file: !33, scope: !13, baseType: !9)
> -!27 = !DIGlobalVariable(name: "b", linkageName: "_ZN1C1bE", line: 15, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, declaration: !19)
> -!28 = !DIGlobalVariable(name: "c", linkageName: "_ZN1C1cE", line: 16, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, declaration: !23)
> +!27 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", linkageName: "_ZN1C1bE", line: 15, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, declaration: !19))
> +!28 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c", linkageName: "_ZN1C1cE", line: 16, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, declaration: !23))
> !29 = !DILocalVariable(name: "instance_C", line: 20, scope: !5, file: !6, type: !13)
> !30 = !DILocation(line: 20, scope: !5)
> !31 = !DILocation(line: 21, scope: !5)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/debug-loc-frame.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/debug-loc-frame.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/debug-loc-frame.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/debug-loc-frame.ll Mon Dec 19 20:09:43 2016
> @@ -83,11 +83,11 @@ declare void @llvm.dbg.value(metadata, i
> !1 = !DIFile(filename: "frame.c", directory: "/home/user/test")
> !2 = !{}
> !3 = !{!4, !6, !7, !8}
> -!4 = distinct !DIGlobalVariable(name: "data", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!4 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "data", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> -!6 = distinct !DIGlobalVariable(name: "sum", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true)
> -!7 = distinct !DIGlobalVariable(name: "zero", scope: !0, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true)
> -!8 = distinct !DIGlobalVariable(name: "ptr", scope: !0, file: !1, line: 4, type: !9, isLocal: false, isDefinition: true)
> +!6 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "sum", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true))
> +!7 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "zero", scope: !0, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true))
> +!8 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "ptr", scope: !0, file: !1, line: 4, type: !9, isLocal: false, isDefinition: true))
> !9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 64, align: 64)
> !10 = !{i32 2, !"Dwarf Version", i32 4}
> !11 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/debugger-tune.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/debugger-tune.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/debugger-tune.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/debugger-tune.ll Mon Dec 19 20:09:43 2016
> @@ -37,7 +37,7 @@
> !1 = !DIFile(filename: "debugger-tune.cpp", directory: "/home/probinson/projects/scratch")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "globalvar", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "globalvar", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !6 = !{i32 2, !"Dwarf Version", i32 4}
> !7 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/decl-derived-member.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/decl-derived-member.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/decl-derived-member.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/decl-derived-member.ll Mon Dec 19 20:09:43 2016
> @@ -128,7 +128,7 @@ attributes #4 = { "less-precise-fpmad"="
> !26 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__sub_I_decl_derived_member.cpp", isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !0, file: !1, scope: !11, type: !27, variables: !2)
> !27 = !DISubroutineType(types: !2)
> !28 = !{!29}
> -!29 = !DIGlobalVariable(name: "f", line: 8, isLocal: false, isDefinition: true, scope: null, file: !11, type: !4)
> +!29 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", line: 8, isLocal: false, isDefinition: true, scope: null, file: !11, type: !4))
> !30 = !{i32 2, !"Dwarf Version", i32 4}
> !31 = !{i32 2, !"Debug Info Version", i32 3}
> !32 = !{!"clang version 3.7.0 (trunk 227104) (llvm/trunk 227103)"}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/dllimport.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dllimport.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dllimport.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dllimport.ll Mon Dec 19 20:09:43 2016
> @@ -14,7 +14,7 @@ target triple = "i686-pc-windows-msvc"
> !1 = !DIFile(filename: "/usr/local/google/home/majnemer/Downloads/<stdin>", directory: "/usr/local/google/home/majnemer/llvm/src")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "id", linkageName: "\01?id@?$numpunct at D@@0HA", scope: !0, file: !5, line: 4, type: !6, isLocal: false, isDefinition: true, declaration: !7)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "id", linkageName: "\01?id@?$numpunct at D@@0HA", scope: !0, file: !5, line: 4, type: !6, isLocal: false, isDefinition: true, declaration: !7))
> !5 = !DIFile(filename: "/usr/local/google/home/majnemer/Downloads/t.ii", directory: "/usr/local/google/home/majnemer/llvm/src")
> !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !DIDerivedType(tag: DW_TAG_member, name: "id", scope: !8, file: !5, line: 2, baseType: !6, flags: DIFlagStaticMember)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll Mon Dec 19 20:09:43 2016
> @@ -77,7 +77,7 @@ attributes #2 = { nounwind readnone }
> !15 = !DISubroutineType(types: !16)
> !16 = !{!8}
> !17 = !{!18}
> -!18 = !DIGlobalVariable(name: "global", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
> +!18 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8))
> !19 = !{i32 2, !"Dwarf Version", i32 4}
> !20 = !DILocation(line: 2, scope: !4)
> !21 = !DILocation(line: 3, scope: !11)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/dwarf-aranges.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dwarf-aranges.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dwarf-aranges.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dwarf-aranges.ll Mon Dec 19 20:09:43 2016
> @@ -70,10 +70,10 @@ entry:
> !6 = !DISubroutineType(types: !7)
> !7 = !{null}
> !8 = !{!9, !11, !12}
> -!9 = !DIGlobalVariable(name: "some_data", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10)
> +!9 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "some_data", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10))
> !10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> -!11 = !DIGlobalVariable(name: "some_other", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10)
> -!12 = !DIGlobalVariable(name: "some_bss", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10)
> +!11 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "some_other", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10))
> +!12 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "some_bss", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10))
> !13 = !{i32 2, !"Dwarf Version", i32 4}
> !14 = !DILocation(line: 7, scope: !4)
> !15 = !DILocation(line: 8, scope: !4)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/dwarf-linkage-names.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dwarf-linkage-names.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dwarf-linkage-names.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dwarf-linkage-names.ll Mon Dec 19 20:09:43 2016
> @@ -62,7 +62,7 @@ attributes #0 = { nounwind uwtable "disa
> !7 = !{!8}
> !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !9 = !{!10}
> -!10 = !DIGlobalVariable(name: "global_var", linkageName: "_ZN4test10global_varE", scope: !5, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global_var", linkageName: "_ZN4test10global_varE", scope: !5, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true))
> !11 = !{i32 2, !"Dwarf Version", i32 4}
> !12 = !{i32 2, !"Debug Info Version", i32 3}
> !13 = !{!"clang version 3.8.0 (trunk 244662)"}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/dwarf-public-names.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dwarf-public-names.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/dwarf-public-names.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/dwarf-public-names.ll Mon Dec 19 20:09:43 2016
> @@ -120,9 +120,9 @@ attributes #1 = { nounwind readnone }
> !22 = !DISubroutineType(types: !23)
> !23 = !{null}
> !24 = !{!25, !26, !27}
> -!25 = !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", line: 7, isLocal: false, isDefinition: true, scope: !8, file: !4, type: !11, declaration: !10)
> -!26 = !DIGlobalVariable(name: "global_variable", line: 17, isLocal: false, isDefinition: true, scope: null, file: !4, type: !8)
> -!27 = !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", line: 27, isLocal: false, isDefinition: true, scope: !21, file: !4, type: !11)
> +!25 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", line: 7, isLocal: false, isDefinition: true, scope: !8, file: !4, type: !11, declaration: !10))
> +!26 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global_variable", line: 17, isLocal: false, isDefinition: true, scope: null, file: !4, type: !8))
> +!27 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", line: 27, isLocal: false, isDefinition: true, scope: !21, file: !4, type: !11))
> !28 = !DILocalVariable(name: "this", line: 9, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !3, file: !4, type: !29)
> !29 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !8)
> !30 = !DILocation(line: 9, scope: !3)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/empty-array.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/empty-array.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/empty-array.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/empty-array.ll Mon Dec 19 20:09:43 2016
> @@ -30,7 +30,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 (trunk 169136)", isOptimized: false, emissionKind: FullDebug, file: !20, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "t.cpp", directory: "/Volumes/Sandbox/llvm")
> !7 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, align: 32, file: !20, elements: !8)
> !8 = !{!9, !14}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/enum-class.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/enum-class.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/enum-class.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/enum-class.ll Mon Dec 19 20:09:43 2016
> @@ -24,9 +24,9 @@
> !14 = !DIEnumerator(name: "C1", value: 1) ; [ DW_TAG_enumerator ]
> !15 = !{}
> !17 = !{!19, !20, !21}
> -!19 = !DIGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !4, type: !3)
> -!20 = !DIGlobalVariable(name: "b", line: 5, isLocal: false, isDefinition: true, scope: null, file: !4, type: !8)
> -!21 = !DIGlobalVariable(name: "c", line: 6, isLocal: false, isDefinition: true, scope: null, file: !4, type: !12)
> +!19 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !4, type: !3))
> +!20 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", line: 5, isLocal: false, isDefinition: true, scope: null, file: !4, type: !8))
> +!21 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c", line: 6, isLocal: false, isDefinition: true, scope: null, file: !4, type: !12))
> !22 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo/tmp")
> 
> ; CHECK: DW_TAG_enumeration_type [{{.*}}]
> 
> Modified: llvm/trunk/test/DebugInfo/X86/enum-fwd-decl.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/enum-fwd-decl.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/enum-fwd-decl.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/enum-fwd-decl.ll Mon Dec 19 20:09:43 2016
> @@ -9,7 +9,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.2 (trunk 165274) (llvm/trunk 165272)", isOptimized: false, emissionKind: FullDebug, file: !8, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "e", line: 2, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "e", line: 2, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "foo.cpp", directory: "/tmp")
> !7 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E", line: 1, size: 16, align: 16, flags: DIFlagFwdDecl, file: !8)
> !8 = !DIFile(filename: "foo.cpp", directory: "/tmp")
> 
> Modified: llvm/trunk/test/DebugInfo/X86/externaltyperef.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/externaltyperef.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/externaltyperef.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/externaltyperef.ll Mon Dec 19 20:09:43 2016
> @@ -38,7 +38,7 @@ target triple = "x86_64-apple-macosx10.1
> !3 = !{!4, !9}
> !4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !1, flags: DIFlagExternalTypeRef, identifier: "_ZTS1A")
> !5 = !{!6}
> -!6 = !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)
> +!6 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true))
> !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64)
> !8 = !DICompositeType(tag: DW_TAG_class_type, name: "B", file: !1, flags: DIFlagExternalTypeRef, identifier: "_ZTS1B")
> !9 = !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !1, flags: DIFlagExternalTypeRef, identifier: "_ZTSN1N1BE")
> 
> Modified: llvm/trunk/test/DebugInfo/X86/fission-cu.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/fission-cu.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/fission-cu.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/fission-cu.ll Mon Dec 19 20:09:43 2016
> @@ -11,7 +11,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)", isOptimized: false, splitDebugFilename: "baz.dwo", emissionKind: FullDebug, file: !8, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp")
> !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !8 = !DIFile(filename: "baz.c", directory: "/usr/local/google/home/echristo/tmp")
> 
> Modified: llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll Mon Dec 19 20:09:43 2016
> @@ -256,10 +256,10 @@ attributes #1 = { nounwind readnone }
> !36 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__I_a", line: 25, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, unit: !0, scopeLine: 25, file: !1, scope: !23, type: !37, variables: !2)
> !37 = !DISubroutineType(types: !2)
> !38 = !{!39, !40, !41, !42}
> -!39 = !DIGlobalVariable(name: "b", line: 3, isLocal: false, isDefinition: true, scope: null, file: !23, type: !4)
> -!40 = !DIGlobalVariable(name: "animal", linkageName: "_ZN7echidna8capybara8mongoose6animalE", line: 18, isLocal: false, isDefinition: true, scope: !7, file: !23, type: !6)
> -!41 = !DIGlobalVariable(name: "w", line: 29, isLocal: true, isDefinition: true, scope: null, file: !23, type: !28)
> -!42 = !DIGlobalVariable(name: "wom", line: 38, isLocal: false, isDefinition: true, scope: null, file: !23, type: !14)
> +!39 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", line: 3, isLocal: false, isDefinition: true, scope: null, file: !23, type: !4))
> +!40 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "animal", linkageName: "_ZN7echidna8capybara8mongoose6animalE", line: 18, isLocal: false, isDefinition: true, scope: !7, file: !23, type: !6))
> +!41 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "w", line: 29, isLocal: true, isDefinition: true, scope: null, file: !23, type: !28))
> +!42 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "wom", line: 38, isLocal: false, isDefinition: true, scope: null, file: !23, type: !14))
> !43 = !{i32 2, !"Dwarf Version", i32 4}
> !44 = !{i32 1, !"Debug Info Version", i32 3}
> !45 = !{!"clang version 3.5 "}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll Mon Dec 19 20:09:43 2016
> @@ -331,16 +331,16 @@ attributes #1 = { nounwind readnone }
> !29 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64)
> !30 = distinct !DISubprogram(name: "f7", linkageName: "_Z2f7v", scope: !1, file: !1, line: 57, type: !13, isLocal: false, isDefinition: true, scopeLine: 57, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
> !31 = !{!32, !33, !34, !35, !36, !37, !39, !41}
> -!32 = !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", scope: !0, file: !1, line: 7, type: !7, isLocal: false, isDefinition: true, declaration: !6)
> -!33 = !DIGlobalVariable(name: "global_variable", scope: !0, file: !1, line: 17, type: !4, isLocal: false, isDefinition: true)
> -!34 = !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", scope: !16, file: !1, line: 27, type: !7, isLocal: false, isDefinition: true)
> -!35 = !DIGlobalVariable(name: "d", linkageName: "_ZN2ns1dE", scope: !16, file: !1, line: 31, type: !15, isLocal: false, isDefinition: true)
> -!36 = !DIGlobalVariable(name: "z", scope: !26, file: !1, line: 41, type: !7, isLocal: true, isDefinition: true)
> -!37 = !DIGlobalVariable(name: "i", linkageName: "_ZN12_GLOBAL__N_11iE", scope: !38, file: !1, line: 37, type: !7, isLocal: true, isDefinition: true)
> +!32 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "static_member_variable", linkageName: "_ZN1C22static_member_variableE", scope: !0, file: !1, line: 7, type: !7, isLocal: false, isDefinition: true, declaration: !6))
> +!33 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global_variable", scope: !0, file: !1, line: 17, type: !4, isLocal: false, isDefinition: true))
> +!34 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "global_namespace_variable", linkageName: "_ZN2ns25global_namespace_variableE", scope: !16, file: !1, line: 27, type: !7, isLocal: false, isDefinition: true))
> +!35 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "d", linkageName: "_ZN2ns1dE", scope: !16, file: !1, line: 31, type: !15, isLocal: false, isDefinition: true))
> +!36 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "z", scope: !26, file: !1, line: 41, type: !7, isLocal: true, isDefinition: true))
> +!37 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", linkageName: "_ZN12_GLOBAL__N_11iE", scope: !38, file: !1, line: 37, type: !7, isLocal: true, isDefinition: true))
> !38 = !DINamespace(scope: null, file: !1, line: 36)
> -!39 = !DIGlobalVariable(name: "b", linkageName: "_ZN12_GLOBAL__N_15inner1bE", scope: !40, file: !1, line: 47, type: !7, isLocal: true, isDefinition: true)
> +!39 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", linkageName: "_ZN12_GLOBAL__N_15inner1bE", scope: !40, file: !1, line: 47, type: !7, isLocal: true, isDefinition: true))
> !40 = !DINamespace(name: "inner", scope: !38, file: !1, line: 46)
> -!41 = !DIGlobalVariable(name: "c", linkageName: "_ZN5outer12_GLOBAL__N_11cE", scope: !42, file: !1, line: 53, type: !7, isLocal: true, isDefinition: true)
> +!41 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c", linkageName: "_ZN5outer12_GLOBAL__N_11cE", scope: !42, file: !1, line: 53, type: !7, isLocal: true, isDefinition: true))
> !42 = !DINamespace(scope: !43, file: !1, line: 52)
> !43 = !DINamespace(name: "outer", scope: null, file: !1, line: 51)
> !44 = !{!45, !47}
> 
> 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=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/inline-member-function.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/inline-member-function.ll Mon Dec 19 20:09:43 2016
> @@ -82,7 +82,7 @@ attributes #1 = { nounwind readnone }
> !16 = !{!9}
> !17 = distinct !DISubprogram(name: "func", linkageName: "_ZN3foo4funcEi", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !4, type: !7, declaration: !6, variables: !2)
> !18 = !{!19}
> -!19 = !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: null, file: !14, type: !9)
> +!19 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: null, file: !14, type: !9))
> !20 = !{i32 2, !"Dwarf Version", i32 4}
> !21 = !{i32 1, !"Debug Info Version", i32 3}
> !22 = !{!"clang version 3.5.0 "}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/inline-namespace.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/inline-namespace.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/inline-namespace.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/inline-namespace.ll Mon Dec 19 20:09:43 2016
> @@ -26,7 +26,7 @@ target triple = "x86_64-apple-macosx10.1
> !llvm.module.flags = !{!8, !9, !10}
> !llvm.ident = !{!11}
> 
> -!0 = distinct !DIGlobalVariable(name: "i", linkageName: "_ZN6normal7inlined1iE", scope: !1, file: !2, line: 1, type: !4, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", linkageName: "_ZN6normal7inlined1iE", scope: !1, file: !2, line: 1, type: !4, isLocal: false, isDefinition: true))
> !1 = !DINamespace(name: "inlined", scope: !3, file: !2, line: 1, exportSymbols: true)
> !2 = !DIFile(filename: "namespace.cpp", directory: "/")
> !3 = !DINamespace(name: "normal", scope: null, file: !2, line: 1)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/inlined-indirect-value.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/inlined-indirect-value.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/inlined-indirect-value.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/inlined-indirect-value.ll Mon Dec 19 20:09:43 2016
> @@ -58,9 +58,9 @@ select.end:
> !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !8 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 3, type: !5, isLocal: true, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, variables: !2)
> !9 = !{!10, !12}
> -!10 = !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !11, isLocal: false, isDefinition: true)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !11, isLocal: false, isDefinition: true))
> !11 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
> -!12 = !DIGlobalVariable(name: "y", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)
> +!12 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "y", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true))
> !13 = !{i32 2, !"Dwarf Version", i32 4}
> !14 = !{i32 2, !"Debug Info Version", i32 3}
> !16 = !DILocation(line: 4, column: 9, scope: !17, inlinedAt: !18)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/isel-cse-line.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/isel-cse-line.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/isel-cse-line.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/isel-cse-line.ll Mon Dec 19 20:09:43 2016
> @@ -73,10 +73,10 @@ declare void @llvm.dbg.declare(metadata,
> !4 = !DIDerivedType(tag: DW_TAG_typedef, name: "fp_t", file: !1, line: 1, baseType: !5)
> !5 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float)
> !6 = !{!7, !10}
> -!7 = distinct !DIGlobalVariable(name: "glb_start", scope: !0, file: !1, line: 4, type: !8, isLocal: false, isDefinition: true)
> +!7 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "glb_start", scope: !0, file: !1, line: 4, type: !8, isLocal: false, isDefinition: true))
> !8 = !DIDerivedType(tag: DW_TAG_typedef, name: "int_t", file: !1, line: 2, baseType: !9)
> !9 = !DIBasicType(name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned)
> -!10 = distinct !DIGlobalVariable(name: "glb_end", scope: !0, file: !1, line: 5, type: !8, isLocal: false, isDefinition: true)
> +!10 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "glb_end", scope: !0, file: !1, line: 5, type: !8, isLocal: false, isDefinition: true))
> !11 = !{i32 2, !"Dwarf Version", i32 4}
> !12 = !{i32 2, !"Debug Info Version", i32 3}
> !13 = !{!"clang version 3.9.0 (trunk 268246)"}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/linkage-name.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/linkage-name.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/linkage-name.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/linkage-name.ll Mon Dec 19 20:09:43 2016
> @@ -39,7 +39,7 @@ declare void @llvm.dbg.declare(metadata,
> !12 = !{!13}
> !13 = !DISubprogram(name: "a", linkageName: "_ZN1A1aEi", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrivate | DIFlagPrototyped, isOptimized: false, file: !6, scope: !11, type: !7)
> !18 = !{!20}
> -!20 = !DIGlobalVariable(name: "a", line: 9, isLocal: false, isDefinition: true, scope: null, file: !6, type: !11)
> +!20 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 9, isLocal: false, isDefinition: true, scope: null, file: !6, type: !11))
> !21 = !DILocalVariable(name: "this", line: 5, arg: 1, flags: DIFlagArtificial, scope: !5, file: !6, type: !22)
> !22 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11)
> !23 = !DILocation(line: 5, column: 8, scope: !5)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/live-debug-values.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/live-debug-values.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/live-debug-values.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/live-debug-values.ll Mon Dec 19 20:09:43 2016
> @@ -119,7 +119,7 @@ attributes #4 = { nounwind }
> !13 = !DILocalVariable(name: "argv", arg: 2, scope: !4, file: !1, line: 6, type: !8)
> !14 = !DILocalVariable(name: "n", scope: !4, file: !1, line: 7, type: !7)
> !15 = !{!16}
> -!16 = !DIGlobalVariable(name: "m", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "m", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true))
> !17 = !{i32 2, !"Dwarf Version", i32 4}
> !18 = !{i32 2, !"Debug Info Version", i32 3}
> !19 = !{!"clang version 3.8.0 (trunk 253049) "}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/memberfnptr.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/memberfnptr.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/memberfnptr.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/memberfnptr.ll Mon Dec 19 20:09:43 2016
> @@ -35,7 +35,7 @@ declare void @_ZN1A3fooEv(%struct.A*)
> !8 = !{null, !9}
> !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
> !10 = !{!11}
> -!11 = !DIGlobalVariable(name: "p", line: 5, isLocal: false, isDefinition: true, scope: null, file: !12, type: !13)
> +!11 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "p", line: 5, isLocal: false, isDefinition: true, scope: null, file: !12, type: !13))
> !12 = !DIFile(filename: "memberfnptr.cpp", directory: "")
> !13 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, size: 64, baseType: !7, extraData: !4)
> !14 = !{i32 2, !"Dwarf Version", i32 2}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/misched-dbg-value.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/misched-dbg-value.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/misched-dbg-value.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/misched-dbg-value.ll Mon Dec 19 20:09:43 2016
> @@ -132,23 +132,23 @@ attributes #1 = { nounwind readnone }
> !27 = !DILocalVariable(name: "IntLoc", line: 186, scope: !12, file: !3, type: !21)
> !28 = !DILocalVariable(name: "IntIndex", line: 187, scope: !12, file: !3, type: !21)
> !29 = !{!30, !35, !36, !38, !39, !40, !42, !46, !63}
> -!30 = !DIGlobalVariable(name: "Version", line: 111, isLocal: false, isDefinition: true, scope: null, file: !3, type: !31)
> +!30 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "Version", line: 111, isLocal: false, isDefinition: true, scope: null, file: !3, type: !31))
> !31 = !DICompositeType(tag: DW_TAG_array_type, size: 32, align: 8, baseType: !32, elements: !33)
> !32 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
> !33 = !{!34}
> !34 = !DISubrange(count: 4)
> -!35 = !DIGlobalVariable(name: "IntGlob", line: 171, isLocal: false, isDefinition: true, scope: null, file: !3, type: !16)
> -!36 = !DIGlobalVariable(name: "BoolGlob", line: 172, isLocal: false, isDefinition: true, scope: null, file: !3, type: !37)
> +!35 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "IntGlob", line: 171, isLocal: false, isDefinition: true, scope: null, file: !3, type: !16))
> +!36 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "BoolGlob", line: 172, isLocal: false, isDefinition: true, scope: null, file: !3, type: !37))
> !37 = !DIDerivedType(tag: DW_TAG_typedef, name: "boolean", line: 149, file: !82, baseType: !16)
> -!38 = !DIGlobalVariable(name: "Char1Glob", line: 173, isLocal: false, isDefinition: true, scope: null, file: !3, type: !32)
> -!39 = !DIGlobalVariable(name: "Char2Glob", line: 174, isLocal: false, isDefinition: true, scope: null, file: !3, type: !32)
> -!40 = !DIGlobalVariable(name: "Array1Glob", line: 175, isLocal: false, isDefinition: true, scope: null, file: !3, type: !41)
> +!38 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "Char1Glob", line: 173, isLocal: false, isDefinition: true, scope: null, file: !3, type: !32))
> +!39 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "Char2Glob", line: 174, isLocal: false, isDefinition: true, scope: null, file: !3, type: !32))
> +!40 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "Array1Glob", line: 175, isLocal: false, isDefinition: true, scope: null, file: !3, type: !41))
> !41 = !DIDerivedType(tag: DW_TAG_typedef, name: "Array1Dim", line: 135, file: !82, baseType: !18)
> -!42 = !DIGlobalVariable(name: "Array2Glob", line: 176, isLocal: false, isDefinition: true, scope: null, file: !3, type: !43)
> +!42 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "Array2Glob", line: 176, isLocal: false, isDefinition: true, scope: null, file: !3, type: !43))
> !43 = !DIDerivedType(tag: DW_TAG_typedef, name: "Array2Dim", line: 136, file: !82, baseType: !44)
> !44 = !DICompositeType(tag: DW_TAG_array_type, size: 83232, align: 32, baseType: !16, elements: !45)
> !45 = !{!20, !20}
> -!46 = !DIGlobalVariable(name: "PtrGlb", line: 177, isLocal: false, isDefinition: true, scope: null, file: !3, type: !47)
> +!46 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "PtrGlb", line: 177, isLocal: false, isDefinition: true, scope: null, file: !3, type: !47))
> !47 = !DIDerivedType(tag: DW_TAG_typedef, name: "RecordPtr", line: 148, file: !82, baseType: !48)
> !48 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !49)
> !49 = !DIDerivedType(tag: DW_TAG_typedef, name: "RecordType", line: 147, file: !82, baseType: !50)
> @@ -165,7 +165,7 @@ attributes #1 = { nounwind readnone }
> !60 = !DICompositeType(tag: DW_TAG_array_type, size: 248, align: 8, baseType: !32, elements: !61)
> !61 = !{!62}
> !62 = !DISubrange(count: 31)
> -!63 = !DIGlobalVariable(name: "PtrGlbNext", line: 178, isLocal: false, isDefinition: true, scope: null, file: !3, type: !47)
> +!63 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "PtrGlbNext", line: 178, isLocal: false, isDefinition: true, scope: null, file: !3, type: !47))
> !64 = !DILocation(line: 181, scope: !12)
> !65 = !DILocation(line: 182, scope: !12)
> !66 = !DILocation(line: 183, scope: !12)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/multiple-aranges.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/multiple-aranges.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/multiple-aranges.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/multiple-aranges.ll Mon Dec 19 20:09:43 2016
> @@ -48,13 +48,13 @@ target triple = "x86_64-unknown-linux-gn
> !1 = !DIFile(filename: "test1.c", directory: "/home/kayamon")
> !2 = !{}
> !3 = !{!4}
> -!4 = !DIGlobalVariable(name: "kittens", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "kittens", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6))
> !5 = !DIFile(filename: "test1.c", directory: "/home/kayamon")
> !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 ", isOptimized: false, emissionKind: FullDebug, file: !8, enums: !2, retainedTypes: !2, globals: !9, imports: !2)
> !8 = !DIFile(filename: "test2.c", directory: "/home/kayamon")
> !9 = !{!10}
> -!10 = !DIGlobalVariable(name: "rainbows", line: 1, isLocal: false, isDefinition: true, scope: null, file: !11, type: !6)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "rainbows", line: 1, isLocal: false, isDefinition: true, scope: null, file: !11, type: !6))
> !11 = !DIFile(filename: "test2.c", directory: "/home/kayamon")
> !12 = !{i32 2, !"Dwarf Version", i32 4}
> !13 = !{i32 1, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/multiple-at-const-val.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/multiple-at-const-val.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/multiple-at-const-val.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/multiple-at-const-val.ll Mon Dec 19 20:09:43 2016
> @@ -56,7 +56,8 @@ declare void @llvm.dbg.value(metadata, i
> !960 = distinct !DISubprogram(name: "main", line: 73, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 73, file: !1802, scope: null, type: !54, variables: !955)
> !961 = !DIFile(filename: "student2.cpp", directory: "/privite/tmp")
> !1786 = !{!1800}
> -!1800 = !DIGlobalVariable(name: "badbit", linkageName: "badbit", line: 331, isLocal: true, isDefinition: true, scope: !5, file: !5, type: !78, expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value), declaration: !77)
> +!1800 = !DIGlobalVariableExpression(var: !1804, expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value))
> !1801 = !DIFile(filename: "os_base.h", directory: "/privite/tmp")
> !1802 = !DIFile(filename: "student2.cpp", directory: "/privite/tmp")
> !1803 = !{i32 1, !"Debug Info Version", i32 3}
> +!1804 = distinct !DIGlobalVariable(name: "badbit", linkageName: "badbit", line: 331, isLocal: true, isDefinition: true, scope: !5, file: !5, type: !78, declaration: !77)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/nondefault-subrange-array.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/nondefault-subrange-array.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/nondefault-subrange-array.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/nondefault-subrange-array.ll Mon Dec 19 20:09:43 2016
> @@ -33,7 +33,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 (trunk 169136)", isOptimized: false, emissionKind: FullDebug, file: !20, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "t.cpp", directory: "/Volumes/Sandbox/llvm")
> !7 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, align: 32, file: !20, elements: !8)
> !8 = !{!9, !14}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/objc-fwd-decl.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/objc-fwd-decl.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/objc-fwd-decl.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/objc-fwd-decl.ll Mon Dec 19 20:09:43 2016
> @@ -15,7 +15,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_ObjC, producer: "clang version 3.1 (trunk 152054 trunk 152094)", isOptimized: false, runtimeVersion: 2, emissionKind: FullDebug, file: !13, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "a", line: 3, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 3, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "foo.m", directory: "/Users/echristo")
> !7 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
> !8 = !DICompositeType(tag: DW_TAG_structure_type, name: "FooBarBaz", line: 1, flags: DIFlagFwdDecl, runtimeLang: DW_LANG_ObjC, file: !13)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/pointer-type-size.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/pointer-type-size.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/pointer-type-size.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/pointer-type-size.ll Mon Dec 19 20:09:43 2016
> @@ -14,7 +14,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 147882)", isOptimized: false, emissionKind: FullDebug, file: !13, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "crass", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "crass", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "foo.c", directory: "/Users/echristo/tmp")
> !7 = !DICompositeType(tag: DW_TAG_structure_type, name: "crass", line: 1, size: 64, align: 64, file: !13, elements: !8)
> !8 = !{!9}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/pr12831.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/pr12831.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/pr12831.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/pr12831.ll Mon Dec 19 20:09:43 2016
> @@ -174,7 +174,7 @@ entry:
> !126 = distinct !DISubprogram(name: "function<BPLFunctionWriter::<lambda at BPLFunctionWriter2.ii:20:36> >", linkageName: "_ZN8functionIFvvEEC2IZN17BPLFunctionWriter9writeExprEvE3$_0EET_", line: 8, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 8, file: !6, scope: null, type: !23, templateParams: !47, declaration: !22, variables: !1)
> !127 = distinct !DISubprogram(name: "_M_not_empty_function<BPLFunctionWriter::<lambda at BPLFunctionWriter2.ii:20:36> >", linkageName: "_ZN13_Base_manager21_M_not_empty_functionIZN17BPLFunctionWriter9writeExprEvE3$_0EEvRKT_", line: 3, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !6, scope: null, type: !117, templateParams: !120, declaration: !116, variables: !1)
> !128 = !{!130}
> -!130 = !DIGlobalVariable(name: "__stored_locally", linkageName: "__stored_locally", line: 2, isLocal: true, isDefinition: true, scope: !114, file: !6, type: !131, expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value))
> +!130 = !DIGlobalVariableExpression(var: !163, expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value))
> !131 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !132)
> !132 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
> !133 = !DILocalVariable(name: "this", line: 19, arg: 1, flags: DIFlagArtificial, scope: !5, file: !6, type: !134)
> @@ -207,3 +207,4 @@ entry:
> !160 = !DIFile(filename: "BPLFunctionWriter2.ii", directory: "/home/peter/crashdelta")
> !161 = !DIFile(filename: "BPLFunctionWriter.cpp", directory: "/home/peter/crashdelta")
> !162 = !{i32 1, !"Debug Info Version", i32 3}
> +!163 = distinct !DIGlobalVariable(name: "__stored_locally", linkageName: "__stored_locally", line: 2, isLocal: true, isDefinition: true, scope: !114, file: !6, type: !131)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/ref_addr_relocation.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/ref_addr_relocation.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/ref_addr_relocation.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/ref_addr_relocation.ll Mon Dec 19 20:09:43 2016
> @@ -65,12 +65,12 @@
> !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 8, align: 8, file: !5, elements: !2, identifier: "_ZTS3foo")
> !5 = !DIFile(filename: "./hdr.h", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr")
> !6 = !{!7}
> -!7 = !DIGlobalVariable(name: "f", line: 2, isLocal: false, isDefinition: true, scope: null, file: !8, type: !4)
> +!7 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", line: 2, isLocal: false, isDefinition: true, scope: null, file: !8, type: !4))
> !8 = !DIFile(filename: "tu1.cpp", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr")
> !9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 (trunk 191799)", isOptimized: false, emissionKind: FullDebug, file: !10, enums: !2, retainedTypes: !3, globals: !11, imports: !2)
> !10 = !DIFile(filename: "tu2.cpp", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr")
> !11 = !{!12}
> -!12 = !DIGlobalVariable(name: "g", line: 2, isLocal: false, isDefinition: true, scope: null, file: !13, type: !4)
> +!12 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "g", line: 2, isLocal: false, isDefinition: true, scope: null, file: !13, type: !4))
> !13 = !DIFile(filename: "tu2.cpp", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr")
> !14 = !{i32 2, !"Dwarf Version", i32 2}
> !15 = !{i32 1, !"Debug Info Version", i32 3}
> 
> Added: llvm/trunk/test/DebugInfo/X86/split-global.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/split-global.ll?rev=290153&view=auto
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/split-global.ll (added)
> +++ llvm/trunk/test/DebugInfo/X86/split-global.ll Mon Dec 19 20:09:43 2016
> @@ -0,0 +1,60 @@
> +; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | \
> +; RUN:     llvm-dwarfdump --debug-dump=info - | FileCheck %s
> +;
> +; Test emitting debug info for fragmented global values.
> +; This is a handcrafted example of an SROAed global variable.
> +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
> +target triple = "x86_64-apple-macosx10.12.0"
> +
> +%struct.anon = type { i32, i32 }
> +
> +; CHECK: DW_TAG_variable
> +; CHECK-NEXT: DW_AT_name {{.*}}"point"
> +; CHECK-NOT: DW_TAG
> +; CHECK: DW_AT_location [DW_FORM_exprloc]	(<0x16> 03 04 00 00 00 00 00 00 00 93 04 03 00 00 00 00 00 00 00 00 93 04 )
> +;     [0x0000000000000004], piece 0x00000004, [0x0000000000000000], piece 0x00000004
> +; CHECK-NOT: DW_TAG
> +; CHECK: DW_TAG
> +; CHECK: DW_TAG_variable
> +; CHECK-NEXT: DW_AT_name {{.*}}"part_const"
> +; CHECK-NOT: DW_TAG
> +; CHECK: DW_AT_location [DW_FORM_exprloc]	(<0x10> 03 08 00 00 00 00 00 00 00 93 04 10 02 9f 93 04 )
> +;     [0x0000000000000008], piece 0x00000004, constu 0x00000002, stack-value, piece 0x00000004
> +; CHECK-NOT: DW_TAG
> +; CHECK: DW_TAG_variable
> +; CHECK-NEXT: DW_AT_name {{.*}}"full_const"
> +; CHECK-NOT: DW_TAG
> +; CHECK: DW_AT_location [DW_FORM_exprloc]	(<0xa> 10 01 9f 93 04 10 02 9f 93 04 )
> +;     constu 0x00000001, stack-value, piece 0x00000004, constu 0x00000002, stack-value, piece 0x00000004
> +; CHECK-NOT: DW_TAG
> + at point.y = global i32 2, align 4, !dbg !13
> + at point.x = global i32 1, align 4, !dbg !12
> +
> + at part_const.x = global i32 1, align 4, !dbg !15
> +
> +!llvm.dbg.cu = !{!1}
> +!llvm.module.flags = !{!10, !11}
> +
> +!0 = distinct !DIGlobalVariable(name: "point", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4)
> +!2 = !DIFile(filename: "g.c", directory: "/")
> +!3 = !{}
> +!4 = !{!12, !13, !14, !15, !17, !18}
> +!5 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !2, line: 1, size: 64, elements: !6)
> +!6 = !{!7, !9}
> +!7 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !5, file: !2, line: 1, baseType: !8, size: 32)
> +!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
> +!9 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !5, file: !2, line: 1, baseType: !8, size: 32, offset: 32)
> +!10 = !{i32 2, !"Dwarf Version", i32 4}
> +!11 = !{i32 2, !"Debug Info Version", i32 3}
> +!12 = !DIGlobalVariableExpression(var: !0,  expr: !DIExpression(DW_OP_LLVM_fragment,  0, 32))
> +!13 = !DIGlobalVariableExpression(var: !0,  expr: !DIExpression(DW_OP_LLVM_fragment, 32, 32))
> +!14 = !DIGlobalVariableExpression(var: !16, expr: !DIExpression(DW_OP_LLVM_fragment,  0, 32))
> +!15 = !DIGlobalVariableExpression(var: !16, expr: !DIExpression(DW_OP_constu, 2,
> +                                             DW_OP_stack_value, DW_OP_LLVM_fragment, 32, 32))
> +!16 = distinct !DIGlobalVariable(name: "part_const", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!17 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression(DW_OP_constu, 1,
> +                                             DW_OP_stack_value, DW_OP_LLVM_fragment,  0, 32))
> +!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression(DW_OP_constu, 2,
> +                                             DW_OP_stack_value, DW_OP_LLVM_fragment, 32, 32))
> +!19 = distinct !DIGlobalVariable(name: "full_const", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
> 
> Modified: llvm/trunk/test/DebugInfo/X86/stack-value-dwarf4.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/stack-value-dwarf4.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/stack-value-dwarf4.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/stack-value-dwarf4.ll Mon Dec 19 20:09:43 2016
> @@ -25,13 +25,14 @@ target triple = "x86_64-unknown-linux-gn
> 
> !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang", file: !4, globals: !1, emissionKind: FullDebug)
> !1 = !{!2}
> -!2 = distinct !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true, expr: !3, type: !5)
> +!2 = !DIGlobalVariableExpression(var: !8, expr: !3)
> !3 = !DIExpression(DW_OP_constu, 4, DW_OP_constu, 4, DW_OP_stack_value)
> !4 = !DIFile(filename: "<stdin>", directory: "/")
> !5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> 
> !6 = !{i32 2, !"Dwarf Version", i32 2}
> !7 = !{i32 2, !"Debug Info Version", i32 3}
> +!8 = distinct !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true, type: !5)
> 
> !llvm.dbg.cu = !{!0}
> !llvm.module.flags = !{!6, !7}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/static_member_array.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/static_member_array.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/static_member_array.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/static_member_array.ll Mon Dec 19 20:09:43 2016
> @@ -48,12 +48,12 @@ target triple = "x86_64-apple-macosx10.1
> !llvm.module.flags = !{!17, !18, !19}
> !llvm.ident = !{!20}
> 
> -!0 = distinct !DIGlobalVariable(name: "fully_specified", linkageName: "_ZN1A15fully_specifiedE", scope: !1, file: !2, line: 7, type: !7, isLocal: false, isDefinition: true, declaration: !13)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "fully_specified", linkageName: "_ZN1A15fully_specifiedE", scope: !1, file: !2, line: 7, type: !7, isLocal: false, isDefinition: true, declaration: !13))
> !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 4.0.0 (trunk 286129) (llvm/trunk 286128)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "static_member_array.cpp", directory: "/Volumes/Data/radar/28706946")
> !3 = !{}
> !4 = !{!0, !5}
> -!5 = distinct !DIGlobalVariable(name: "smem", linkageName: "_ZN1A4smemE", scope: !1, file: !2, line: 8, type: !6, isLocal: false, isDefinition: true, declaration: !10)
> +!5 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "smem", linkageName: "_ZN1A4smemE", scope: !1, file: !2, line: 8, type: !6, isLocal: false, isDefinition: true, declaration: !10))
> !6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 128, elements: !8)
> !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
> !8 = !{!9}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/stringpool.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/stringpool.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/stringpool.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/stringpool.ll Mon Dec 19 20:09:43 2016
> @@ -9,7 +9,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 143009)", isOptimized: true, emissionKind: FullDebug, file: !8, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "yyyy", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "yyyy", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "z.c", directory: "/home/nicholas")
> !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !8 = !DIFile(filename: "z.c", directory: "/home/nicholas")
> 
> Modified: llvm/trunk/test/DebugInfo/X86/struct-loc.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/struct-loc.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/struct-loc.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/struct-loc.ll Mon Dec 19 20:09:43 2016
> @@ -17,7 +17,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 152837) (llvm/trunk 152845)", isOptimized: false, emissionKind: FullDebug, file: !11, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "f", line: 5, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", line: 5, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "struct_bug.c", directory: "/Users/echristo/tmp")
> !7 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 32, align: 32, file: !11, elements: !8)
> !8 = !{!9}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/template.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/template.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/template.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/template.ll Mon Dec 19 20:09:43 2016
> @@ -119,8 +119,8 @@ attributes #0 = { nounwind uwtable "less
> !28 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__sub_I_template.cpp", isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !0, file: !1, scope: !11, type: !29, variables: !2)
> !29 = !DISubroutineType(types: !2)
> !30 = !{!31, !32}
> -!31 = !DIGlobalVariable(name: "glbl", line: 3, isLocal: false, isDefinition: true, scope: null, file: !11, type: !7)
> -!32 = !DIGlobalVariable(name: "n", line: 4, isLocal: false, isDefinition: true, scope: null, file: !11, type: !8)
> +!31 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "glbl", line: 3, isLocal: false, isDefinition: true, scope: null, file: !11, type: !7))
> +!32 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "n", line: 4, isLocal: false, isDefinition: true, scope: null, file: !11, type: !8))
> !33 = !{i32 2, !"Dwarf Version", i32 4}
> !34 = !{i32 2, !"Debug Info Version", i32 3}
> !35 = !{!"clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)"}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/tls.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/tls.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/tls.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/tls.ll Mon Dec 19 20:09:43 2016
> @@ -123,8 +123,8 @@ attributes #0 = { nounwind uwtable "less
> !10 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "I", type: !11, value: i32* @glbl)
> !11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
> !12 = !{!13, !14}
> -!13 = !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
> -!14 = !DIGlobalVariable(name: "glbl", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
> +!13 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8))
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "glbl", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8))
> !15 = !{i32 2, !"Dwarf Version", i32 4}
> !16 = !{i32 1, !"Debug Info Version", i32 3}
> !17 = !{!"clang version 3.5 "}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/type_units_with_addresses.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/type_units_with_addresses.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/type_units_with_addresses.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/type_units_with_addresses.ll Mon Dec 19 20:09:43 2016
> @@ -140,12 +140,12 @@
> !25 = !{!26}
> !26 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "T", type: !7, value: i32* @i)
> !27 = !{!28, !30, !31, !32, !33}
> -!28 = !DIGlobalVariable(name: "i", line: 1, isLocal: false, isDefinition: true, scope: null, file: !29, type: !8)
> +!28 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", line: 1, isLocal: false, isDefinition: true, scope: null, file: !29, type: !8))
> !29 = !DIFile(filename: "tu.cpp", directory: "/tmp/dbginfo")
> -!30 = !DIGlobalVariable(name: "a", line: 6, isLocal: false, isDefinition: true, scope: null, file: !29, type: !4)
> -!31 = !DIGlobalVariable(name: "s2", line: 15, isLocal: false, isDefinition: true, scope: null, file: !29, type: !9)
> -!32 = !DIGlobalVariable(name: "s3", line: 27, isLocal: false, isDefinition: true, scope: null, file: !29, type: !13)
> -!33 = !DIGlobalVariable(name: "s4", line: 39, isLocal: false, isDefinition: true, scope: null, file: !29, type: !19)
> +!30 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 6, isLocal: false, isDefinition: true, scope: null, file: !29, type: !4))
> +!31 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s2", line: 15, isLocal: false, isDefinition: true, scope: null, file: !29, type: !9))
> +!32 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s3", line: 27, isLocal: false, isDefinition: true, scope: null, file: !29, type: !13))
> +!33 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "s4", line: 39, isLocal: false, isDefinition: true, scope: null, file: !29, type: !19))
> !34 = !{i32 2, !"Dwarf Version", i32 4}
> !35 = !{i32 1, !"Debug Info Version", i32 3}
> !36 = !{!"clang version 3.5.0 "}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/unattached-global.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/unattached-global.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/unattached-global.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/unattached-global.ll Mon Dec 19 20:09:43 2016
> @@ -1,19 +1,23 @@
> -; RUN: llc -o - %s | FileCheck %s
> +; RUN: %llc_dwarf -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
> 
> target datalayout = "e-p:64:64"
> target triple = "x86_64-unknown-linux-gnu"
> 
> -; CHECK: .byte    0                       # DW_AT_location
> +; CHECK: DW_TAG_variable
> +; CHECK: DW_AT_name {{.*}}"a"
> +; CHECK-NOT: DW_AT_location
> +; CHECK: DW_TAG
> 
> -!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang", file: !4, globals: !1, emissionKind: FullDebug)
> +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang", file: !5, globals: !1, emissionKind: FullDebug)
> !1 = !{!2}
> -!2 = distinct !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true, expr: !3, type: !5)
> -!3 = !DIExpression(DW_OP_plus, 4)
> -!4 = !DIFile(filename: "<stdin>", directory: "/")
> -!5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> +!2 = !DIGlobalVariableExpression(var: !3, expr: !4)
> +!3 = distinct !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true, type: !6)
> +!4 = !DIExpression(DW_OP_plus, 4)
> +!5 = !DIFile(filename: "<stdin>", directory: "/")
> +!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> 
> -!6 = !{i32 2, !"Dwarf Version", i32 2}
> -!7 = !{i32 2, !"Debug Info Version", i32 3}
> +!7 = !{i32 2, !"Dwarf Version", i32 2}
> +!8 = !{i32 2, !"Debug Info Version", i32 3}
> 
> !llvm.dbg.cu = !{!0}
> -!llvm.module.flags = !{!6, !7}
> +!llvm.module.flags = !{!7, !8}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/union-template.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/union-template.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/union-template.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/union-template.ll Mon Dec 19 20:09:43 2016
> @@ -38,7 +38,7 @@ attributes #1 = { nounwind readnone }
> !7 = !{null, !8}
> !8 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
> !9 = !{!10}
> -!10 = !DIGlobalVariable(name: "f", linkageName: "_ZN7PR156371fE", line: 6, isLocal: false, isDefinition: true, scope: !5, file: !11, type: !12)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "f", linkageName: "_ZN7PR156371fE", line: 6, isLocal: false, isDefinition: true, scope: !5, file: !11, type: !12))
> !11 = !DIFile(filename: "foo.cc", directory: "/usr/local/google/home/echristo/tmp")
> !12 = !DICompositeType(tag: DW_TAG_union_type, name: "Value<float>", line: 2, size: 32, align: 32, file: !1, scope: !5, elements: !13, templateParams: !21)
> !13 = !{!14, !16}
> 
> Modified: llvm/trunk/test/DebugInfo/X86/vector.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/vector.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/X86/vector.ll (original)
> +++ llvm/trunk/test/DebugInfo/X86/vector.ll Mon Dec 19 20:09:43 2016
> @@ -15,7 +15,7 @@
> !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 171825) (llvm/trunk 171822)", isOptimized: false, emissionKind: FullDebug, file: !12, enums: !1, retainedTypes: !1, globals: !3, imports:  !1)
> !1 = !{}
> !3 = !{!5}
> -!5 = !DIGlobalVariable(name: "a", line: 3, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 3, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7))
> !6 = !DIFile(filename: "foo.c", directory: "/Users/echristo")
> !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "v4si", line: 1, file: !12, baseType: !8)
> !8 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 128, flags: DIFlagVector, baseType: !9, elements: !10)
> 
> Modified: llvm/trunk/test/Instrumentation/AddressSanitizer/debug-info-global-var.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Instrumentation/AddressSanitizer/debug-info-global-var.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Instrumentation/AddressSanitizer/debug-info-global-var.ll (original)
> +++ llvm/trunk/test/Instrumentation/AddressSanitizer/debug-info-global-var.ll Mon Dec 19 20:09:43 2016
> @@ -10,9 +10,10 @@ target triple = "x86_64-apple-macosx10.1
> !llvm.module.flags = !{!10, !11, !12}
> !llvm.ident = !{!13}
> 
> -; CHECK: ![[GV]] = distinct !DIGlobalVariable(name: "version"
> -; CHECK-NOT: expr:
> -!0 = distinct !DIGlobalVariable(name: "version", scope: !1, file: !2, line: 2, type: !5, isLocal: false, isDefinition: true)
> +; Should not have an expression:
> +; CHECK: ![[GV]] = !DIGlobalVariableExpression(var: ![[GVAR:.*]])
> +; CHECK: ![[GVAR]] = !DIGlobalVariable(name: "version"
> +!0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "version", scope: !1, file: !2, line: 2, type: !5, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (trunk 281923) (llvm/trunk 281916)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "version.c", directory: "/Volumes/Fusion/Data/radar/24899262")
> !3 = !{}
> 
> Modified: llvm/trunk/test/LTO/X86/Inputs/type-mapping-src.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/LTO/X86/Inputs/type-mapping-src.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/LTO/X86/Inputs/type-mapping-src.ll (original)
> +++ llvm/trunk/test/LTO/X86/Inputs/type-mapping-src.ll Mon Dec 19 20:09:43 2016
> @@ -9,7 +9,7 @@ target triple = "x86_64-pc-windows-msvc1
> 
> !llvm.dbg.cu = !{!1}
> !llvm.module.flags = !{!12}
> -!0 = distinct !DIGlobalVariable(name: "bar", linkageName: "bar", scope: !1, file: !2, line: 2, type: !5, isLocal: false, isDefinition: true)
> +!0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "bar", linkageName: "bar", scope: !1, file: !2, line: 2, type: !5, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "b", directory: "/")
> !3 = !{}
> 
> Modified: llvm/trunk/test/LTO/X86/type-mapping-bug.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/LTO/X86/type-mapping-bug.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/LTO/X86/type-mapping-bug.ll (original)
> +++ llvm/trunk/test/LTO/X86/type-mapping-bug.ll Mon Dec 19 20:09:43 2016
> @@ -36,7 +36,7 @@ target triple = "x86_64-pc-windows-msvc1
> !2 = !DIFile(filename: "a", directory: "/")
> !3 = !{}
> !4 = !{!5}
> -!5 = distinct !DIGlobalVariable(name: "foo", linkageName: "foo", scope: !1, file: !2, line: 5, type: !6, isLocal: false, isDefinition: true)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "foo", linkageName: "foo", scope: !1, file: !2, line: 5, type: !6, isLocal: false, isDefinition: true))
> !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !2, line: 5, size: 8, elements: !7, identifier: ".?AUS@@")
> !7 = !{!8}
> !8 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !6, baseType: !9)
> 
> Modified: llvm/trunk/test/Linker/2011-08-04-Metadata.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Linker/2011-08-04-Metadata.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Linker/2011-08-04-Metadata.ll (original)
> +++ llvm/trunk/test/Linker/2011-08-04-Metadata.ll Mon Dec 19 20:09:43 2016
> @@ -5,10 +5,12 @@
> ; CHECK: @x = internal global i32 0, align 4, !dbg [[DI1:![0-9]+]]
> ; CHECK: @x.1 = internal global i32 0, align 4, !dbg [[DI2:![0-9]+]]
> 
> -; CHECK: [[DI1]] = !DIGlobalVariable(name: "x",
> -; CHECK-NOT:               linkageName:
> -; CHECK: [[DI2]] = !DIGlobalVariable(name: "x",
> -; CHECK-NOT:               linkageName:
> +; CHECK: [[DI1]] = !DIGlobalVariableExpression(var: [[V1:.*]])
> +; CHECK: [[V1]] = !DIGlobalVariable(name: "x",
> +; CHECK-NOT:                        linkageName:
> +; CHECK: [[DI2]] = !DIGlobalVariableExpression(var: [[V2:.*]])
> +; CHECK: [[V2]] = !DIGlobalVariable(name: "x",
> +; CHECK-NOT:                        linkageName:
> target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
> target triple = "x86_64-apple-macosx10.7.0"
> 
> @@ -28,7 +30,7 @@ entry:
> !2 = !DIFile(filename: "/tmp/one.c", directory: "/Volumes/Lalgate/Slate/D")
> !3 = !DISubroutineType(types: !4)
> !4 = !{null}
> -!5 = !DIGlobalVariable(name: "x", line: 2, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !6)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 2, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !6))
> !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !DILocation(line: 3, column: 14, scope: !8)
> !8 = distinct !DILexicalBlock(line: 3, column: 12, file: !9, scope: !1)
> 
> Modified: llvm/trunk/test/Linker/2011-08-04-Metadata2.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Linker/2011-08-04-Metadata2.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Linker/2011-08-04-Metadata2.ll (original)
> +++ llvm/trunk/test/Linker/2011-08-04-Metadata2.ll Mon Dec 19 20:09:43 2016
> @@ -22,7 +22,7 @@ entry:
> !2 = !DIFile(filename: "/tmp/two.c", directory: "/Volumes/Lalgate/Slate/D")
> !3 = !DISubroutineType(types: !4)
> !4 = !{null}
> -!5 = !DIGlobalVariable(name: "x", line: 1, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !6)
> +!5 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 1, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !6))
> !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !7 = !DILocation(line: 2, column: 14, scope: !8)
> !8 = distinct !DILexicalBlock(line: 2, column: 12, file: !9, scope: !1)
> 
> Modified: llvm/trunk/test/Linker/debug-info-global-var.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Linker/debug-info-global-var.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Linker/debug-info-global-var.ll (original)
> +++ llvm/trunk/test/Linker/debug-info-global-var.ll Mon Dec 19 20:09:43 2016
> @@ -10,8 +10,9 @@ target triple = "x86_64-apple-macosx10.1
> !llvm.module.flags = !{!6, !7, !8}
> !llvm.ident = !{!9}
> 
> -; CHECK: ![[G]] = distinct !DIGlobalVariable(name: "g"
> -!0 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
> +; CHECK: ![[G]] = !DIGlobalVariableExpression(var: ![[GVAR:.*]])
> +; CHECK: ![[GVAR]] = distinct !DIGlobalVariable(name: "g"
> +!0 = !DIGlobalVariableExpression(var: !10)
> !1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "debug-info-global-var.c", directory: "/")
> !3 = !{}
> @@ -21,3 +22,4 @@ target triple = "x86_64-apple-macosx10.1
> !7 = !{i32 2, !"Debug Info Version", i32 3}
> !8 = !{i32 1, !"PIC Level", i32 2}
> !9 = !{!"clang version 4.0.0 (trunk 286129) (llvm/trunk 286128)"}
> +!10 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
> 
> Modified: llvm/trunk/test/Linker/odr.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Linker/odr.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Linker/odr.ll (original)
> +++ llvm/trunk/test/Linker/odr.ll Mon Dec 19 20:09:43 2016
> @@ -14,5 +14,5 @@
> !3 = distinct !DICompositeType(tag: DW_TAG_class_type, scope: !4, file: !1, identifier: "zed")
> !4 = distinct !DISubprogram(name: "b", scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
> !5 = !{!6}
> -!6 = distinct !DIGlobalVariable(name: "c", scope: null, isLocal: false, isDefinition: true)
> +!6 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c", scope: null, isLocal: false, isDefinition: true))
> !7 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/Linker/only-needed-debug-metadata.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Linker/only-needed-debug-metadata.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Linker/only-needed-debug-metadata.ll (original)
> +++ llvm/trunk/test/Linker/only-needed-debug-metadata.ll Mon Dec 19 20:09:43 2016
> @@ -38,8 +38,8 @@ define i32 @unused() !dbg !10 {
> !11 = !DISubroutineType(types: !12)
> !12 = !{!7}
> !13 = !{!14, !15}
> -!14 = !DIGlobalVariable(name: "X", scope: !0, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true)
> -!15 = !DIGlobalVariable(name: "U", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)
> +!14 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "X", scope: !0, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true))
> +!15 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "U", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true))
> !16 = !{i32 2, !"Dwarf Version", i32 4}
> !17 = !{i32 2, !"Debug Info Version", i32 3}
> !18 = !{!"clang version 3.8.0 (trunk 251407) (llvm/trunk 251401)"}
> 
> Modified: llvm/trunk/test/ThinLTO/X86/Inputs/crash_debuginfo.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ThinLTO/X86/Inputs/crash_debuginfo.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/ThinLTO/X86/Inputs/crash_debuginfo.ll (original)
> +++ llvm/trunk/test/ThinLTO/X86/Inputs/crash_debuginfo.ll Mon Dec 19 20:09:43 2016
> @@ -17,7 +17,7 @@ define void @bar(i32 %arg) {
> !1 = !DIFile(filename: "2.cpp", directory: "some_dir")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "a_global", linkageName: "a_global", scope: null, line: 52, type: !5, isLocal: true, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a_global", linkageName: "a_global", scope: null, line: 52, type: !5, isLocal: true, isDefinition: true))
> !5 = !DISubroutineType(types: !2)
> !6 = !{i32 2, !"Debug Info Version", i32 3}
> !7 = distinct !DILocation(line: 728, column: 71, scope: !8, inlinedAt: !14)
> 
> Modified: llvm/trunk/test/ThinLTO/X86/crash_debuginfo.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ThinLTO/X86/crash_debuginfo.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/ThinLTO/X86/crash_debuginfo.ll (original)
> +++ llvm/trunk/test/ThinLTO/X86/crash_debuginfo.ll Mon Dec 19 20:09:43 2016
> @@ -29,7 +29,7 @@ declare void @bar(i32)
> !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "Apple LLVM version 8.0.0 (clang-800.0.24.1)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !2)
> !1 = !DIFile(filename: "1.cpp", directory: "/another_dir")
> !2 = !{!3}
> -!3 = distinct !DIGlobalVariable(name: "_", linkageName: "some_global", scope: null, file: !1, line: 20, type: !4, isLocal: true, isDefinition: true)
> +!3 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "_", linkageName: "some_global", scope: null, file: !1, line: 20, type: !4, isLocal: true, isDefinition: true))
> !4 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "slice_nil", file: !1, line: 13, size: 64, align: 64, elements: !5, identifier: "_ZTSN5boost6python3api9slice_nilE")
> !5 = !{}
> !6 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/ThinLTO/X86/debuginfo-cu-import.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ThinLTO/X86/debuginfo-cu-import.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/ThinLTO/X86/debuginfo-cu-import.ll (original)
> +++ llvm/trunk/test/ThinLTO/X86/debuginfo-cu-import.ll Mon Dec 19 20:09:43 2016
> @@ -77,4 +77,4 @@ entry:
> !35 = !{!36}
> !36 = !DICompositeType(tag: DW_TAG_structure_type, name: "Base", line: 1, size: 32, align: 32, file: !1, elements: !30, identifier: "_ZTS4Base")
> !37 = !{!38}
> -!38 = !DIGlobalVariable(name: "version", scope: !5, file: !1, line: 2, type: !36, isLocal: false, isDefinition: true)
> +!38 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "version", scope: !5, file: !1, line: 2, type: !36, isLocal: false, isDefinition: true))
> 
> Modified: llvm/trunk/test/Transforms/GCOVProfiling/return-block.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GCOVProfiling/return-block.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/GCOVProfiling/return-block.ll (original)
> +++ llvm/trunk/test/Transforms/GCOVProfiling/return-block.ll Mon Dec 19 20:09:43 2016
> @@ -61,7 +61,7 @@ attributes #2 = { nounwind }
> !6 = !DISubroutineType(types: !7)
> !7 = !{null}
> !8 = !{!9}
> -!9 = !DIGlobalVariable(name: "A", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10)
> +!9 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "A", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10))
> !10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !11 = !{i32 2, !"Dwarf Version", i32 4}
> !12 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/Transforms/GlobalMerge/debug-info.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GlobalMerge/debug-info.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/GlobalMerge/debug-info.ll (original)
> +++ llvm/trunk/test/Transforms/GlobalMerge/debug-info.ll Mon Dec 19 20:09:43 2016
> @@ -14,12 +14,14 @@ define void @use1() {
>   ret void
> }
> 
> -; CHECK: [[A]] = distinct !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true)
> -; CHECK: [[B]] = distinct !DIGlobalVariable(name: "b", scope: null, isLocal: false, isDefinition: true, expr: [[EXPR:![0-9]+]])
> +; CHECK: [[A]] = !DIGlobalVariableExpression(var: [[AVAR:![0-9]+]])
> +; CHECK: [[AVAR]] = !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true)
> +; CHECK: [[B]] = !DIGlobalVariableExpression(var: [[BVAR:![0-9]+]], expr: [[EXPR:![0-9]+]])
> +; CHECK: [[BVAR]] = !DIGlobalVariable(name: "b", scope: null, isLocal: false, isDefinition: true)
> ; CHECK: [[EXPR]] = !DIExpression(DW_OP_plus, 4)
> 
> !llvm.module.flags = !{!2, !3}
> -!0 = distinct !DIGlobalVariable(name: "a")
> -!1 = distinct !DIGlobalVariable(name: "b")
> +!0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a"))
> +!1 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b"))
> !2 = !{i32 2, !"Debug Info Version", i32 3}
> !3 = !{i32 2, !"Dwarf Version", i32 4}
> 
> Modified: llvm/trunk/test/Transforms/GlobalOpt/2009-03-05-dbg.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GlobalOpt/2009-03-05-dbg.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/GlobalOpt/2009-03-05-dbg.ll (original)
> +++ llvm/trunk/test/Transforms/GlobalOpt/2009-03-05-dbg.ll Mon Dec 19 20:09:43 2016
> @@ -55,7 +55,7 @@ return:
> declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
> 
> !llvm.dbg.cu = !{!1}
> -!0 = !DIGlobalVariable(name: "Stop", line: 2, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !2)
> +!0 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "Stop", line: 2, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !2))
> !1 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !20, enums: !21, retainedTypes: !21, globals: !{!0})
> !2 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !3 = !DILocalVariable(name: "i", line: 4, arg: 1, scope: !4, file: !1, type: !2)
> 
> 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=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll (original)
> +++ llvm/trunk/test/Transforms/Inline/alloca-dbgdeclare.ll Mon Dec 19 20:09:43 2016
> @@ -107,8 +107,8 @@ attributes #3 = { noreturn nounwind }
> !23 = !{null}
> !24 = distinct !DISubprogram(name: "fn5", linkageName: "_Z3fn5v", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 13, file: !5, scope: !16, type: !22, variables: !2)
> !25 = !{!26, !27}
> -!26 = !DIGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !4)
> -!27 = !DIGlobalVariable(name: "b", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !4)
> +!26 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !4))
> +!27 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !4))
> !28 = !{i32 2, !"Dwarf Version", i32 4}
> !29 = !{i32 2, !"Debug Info Version", i32 3}
> !30 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
> 
> Modified: llvm/trunk/test/Transforms/LoopVectorize/dbg.value.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/dbg.value.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopVectorize/dbg.value.ll (original)
> +++ llvm/trunk/test/Transforms/LoopVectorize/dbg.value.ll Mon Dec 19 20:09:43 2016
> @@ -54,12 +54,12 @@ attributes #1 = { nounwind readnone }
> !9 = !DILocalVariable(name: "i", line: 6, scope: !10, file: !4, type: !7)
> !10 = distinct !DILexicalBlock(line: 6, column: 0, file: !25, scope: !3)
> !11 = !{!12, !16, !17}
> -!12 = !DIGlobalVariable(name: "A", line: 1, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13)
> +!12 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "A", line: 1, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13))
> !13 = !DICompositeType(tag: DW_TAG_array_type, size: 32768, align: 32, baseType: !7, elements: !14)
> !14 = !{!15}
> !15 = !{i32 786465, i64 0, i64 1024}
> -!16 = !DIGlobalVariable(name: "B", line: 2, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13)
> -!17 = !DIGlobalVariable(name: "C", line: 3, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "B", line: 2, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13))
> +!17 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "C", line: 3, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13))
> !18 = !DILocation(line: 6, scope: !10)
> !19 = !DILocation(line: 7, scope: !20)
> !20 = distinct !DILexicalBlock(line: 6, column: 0, file: !25, scope: !10)
> 
> Modified: llvm/trunk/test/Transforms/SampleProfile/cov-zero-samples.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SampleProfile/cov-zero-samples.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/SampleProfile/cov-zero-samples.ll (original)
> +++ llvm/trunk/test/Transforms/SampleProfile/cov-zero-samples.ll Mon Dec 19 20:09:43 2016
> @@ -98,7 +98,7 @@ declare i32 @printf(i8*, ...)
> !9 = !DISubroutineType(types: !10)
> !10 = !{!7}
> !11 = !{!12}
> -!12 = !DIGlobalVariable(name: "N", scope: !0, file: !1, line: 3, type: !13, isLocal: false, isDefinition: true)
> +!12 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "N", scope: !0, file: !1, line: 3, type: !13, isLocal: false, isDefinition: true))
> !13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !14)
> !14 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed)
> !15 = !{i32 2, !"Dwarf Version", i32 4}
> 
> Modified: llvm/trunk/test/Transforms/SimplifyCFG/PR27615-simplify-cond-br.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SimplifyCFG/PR27615-simplify-cond-br.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/SimplifyCFG/PR27615-simplify-cond-br.ll (original)
> +++ llvm/trunk/test/Transforms/SimplifyCFG/PR27615-simplify-cond-br.ll Mon Dec 19 20:09:43 2016
> @@ -46,13 +46,13 @@ declare void @llvm.dbg.value(metadata, i
> !1 = !DIFile(filename: "csmith107.i.c", directory: "/tmp")
> !2 = !{}
> !3 = !{!4, !6, !10}
> -!4 = !DIGlobalVariable(name: "a", scope: null, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", scope: null, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIBasicType(name: "int", size: 16, align: 16, encoding: DW_ATE_signed)
> -!6 = !DIGlobalVariable(name: "b", scope: null, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true)
> +!6 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", scope: null, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true))
> !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !1, line: 1, baseType: !8)
> !8 = !DIDerivedType(tag: DW_TAG_typedef, name: "__u32_t", file: !1, baseType: !9)
> !9 = !DIBasicType(name: "unsigned long", size: 32, align: 16, encoding: DW_ATE_unsigned)
> -!10 = !DIGlobalVariable(name: "c", scope: null, file: !1, line: 4, type: !11, isLocal: false, isDefinition: true)
> +!10 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "c", scope: null, file: !1, line: 4, type: !11, isLocal: false, isDefinition: true))
> !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 16, align: 16)
> !12 = !{i32 2, !"Dwarf Version", i32 4}
> !13 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll (original)
> +++ llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll Mon Dec 19 20:09:43 2016
> @@ -23,7 +23,7 @@ declare void @llvm.dbg.value(metadata, i
> !5 = !DILocalVariable(name: "y", line: 3, scope: !6, file: !1, type: !7)
> !6 = distinct !DILexicalBlock(line: 2, column: 0, file: !12, scope: !0)
> !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> -!8 = !DIGlobalVariable(name: "x", line: 1, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !7)
> +!8 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "x", line: 1, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !7))
> !9 = !{i32 0}
> !10 = !DILocation(line: 3, scope: !6)
> !11 = !DILocation(line: 4, scope: !6)
> 
> Modified: llvm/trunk/test/Transforms/StripSymbols/2010-08-25-crash.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/StripSymbols/2010-08-25-crash.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/StripSymbols/2010-08-25-crash.ll (original)
> +++ llvm/trunk/test/Transforms/StripSymbols/2010-08-25-crash.ll Mon Dec 19 20:09:43 2016
> @@ -13,7 +13,7 @@ entry:
> !3 = !DISubroutineType(types: !4)
> !4 = !{!5}
> !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> -!6 = !DIGlobalVariable(name: "i", linkageName: "i", line: 2, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !7)
> +!6 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "i", linkageName: "i", line: 2, isLocal: true, isDefinition: true, scope: !1, file: !1, type: !7))
> !7 = !DIDerivedType(tag: DW_TAG_const_type, file: !10, scope: !1, baseType: !5)
> !8 = !DILocation(line: 3, column: 13, scope: !9)
> !9 = distinct !DILexicalBlock(line: 3, column: 11, file: !10, scope: !0)
> 
> Modified: llvm/trunk/test/Transforms/StripSymbols/strip-dead-debug-info.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/StripSymbols/strip-dead-debug-info.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/StripSymbols/strip-dead-debug-info.ll (original)
> +++ llvm/trunk/test/Transforms/StripSymbols/strip-dead-debug-info.ll Mon Dec 19 20:09:43 2016
> @@ -46,8 +46,8 @@ attributes #2 = { nounwind readonly ssp
> !13 = !DILocalVariable(name: "bb", line: 5, scope: !14, file: !5, type: !9)
> !14 = distinct !DILexicalBlock(line: 5, column: 0, file: !1, scope: !3)
> !15 = !DILocalVariable(name: "i", line: 7, arg: 1, scope: !10, file: !5, type: !9)
> -!16 = !DIGlobalVariable(name: "abcd", line: 2, isLocal: true, isDefinition: true, scope: !5, file: !5, type: !9)
> -!17 = !DIGlobalVariable(name: "xyz", line: 3, isLocal: false, isDefinition: true, scope: !5, file: !5, type: !9)
> +!16 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "abcd", line: 2, isLocal: true, isDefinition: true, scope: !5, file: !5, type: !9))
> +!17 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "xyz", line: 3, isLocal: false, isDefinition: true, scope: !5, file: !5, type: !9))
> !18 = !DILocation(line: 6, scope: !19)
> !19 = distinct !DILexicalBlock(line: 6, column: 0, file: !1, scope: !6)
> !20 = !DILocation(line: 7, scope: !10)
> 
> Modified: llvm/trunk/test/Transforms/Util/strip-nonlinetable-debuginfo-containingtypes.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/Util/strip-nonlinetable-debuginfo-containingtypes.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/Util/strip-nonlinetable-debuginfo-containingtypes.ll (original)
> +++ llvm/trunk/test/Transforms/Util/strip-nonlinetable-debuginfo-containingtypes.ll Mon Dec 19 20:09:43 2016
> @@ -51,7 +51,7 @@ attributes #2 = { nounwind }
> 
> ; CHECK-NEG-NOT: !DI{{Basic|Composite|Derived}}Type
> 
> -!0 = distinct !DIGlobalVariable(name: "b", scope: !1, file: !2, line: 5, type: !5, isLocal: false, isDefinition: true)
> +!0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "b", scope: !1, file: !2, line: 5, type: !5, isLocal: false, isDefinition: true))
> !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 4.0.0 (trunk 282583) (llvm/trunk 282611)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
> !2 = !DIFile(filename: "t.cpp", directory: "/")
> !3 = !{}
> 
> Added: llvm/trunk/test/Verifier/diglobalvariable.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Verifier/diglobalvariable.ll?rev=290153&view=auto
> ==============================================================================
> --- llvm/trunk/test/Verifier/diglobalvariable.ll (added)
> +++ llvm/trunk/test/Verifier/diglobalvariable.ll Mon Dec 19 20:09:43 2016
> @@ -0,0 +1,14 @@
> +; RUN: not opt -S <%s 2>&1| FileCheck %s
> +
> +; CHECK: !dbg attachment of global variable must be a DIGlobalVariableExpression
> + at g = common global i32 0, align 4, !dbg !0
> +
> +!llvm.dbg.cu = !{!1}
> +!llvm.module.flags = !{!6, !7}
> +
> +!0 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, emissionKind: FullDebug)
> +!2 = !DIFile(filename: "a.c", directory: "/")
> +!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
> +!6 = !{i32 2, !"Dwarf Version", i32 4}
> +!7 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/tools/llvm-objdump/Hexagon/source-interleave-hexagon.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-objdump/Hexagon/source-interleave-hexagon.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/tools/llvm-objdump/Hexagon/source-interleave-hexagon.ll (original)
> +++ llvm/trunk/test/tools/llvm-objdump/Hexagon/source-interleave-hexagon.ll Mon Dec 19 20:09:43 2016
> @@ -45,7 +45,7 @@ attributes #1 = { nounwind readnone }
> !1 = !DIFile(filename: "source-interleave-hexagon.c", directory: "SRC_COMPDIR")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !6 = !{i32 2, !"Dwarf Version", i32 4}
> !7 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/test/tools/llvm-objdump/X86/source-interleave-x86_64.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-objdump/X86/source-interleave-x86_64.ll?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/test/tools/llvm-objdump/X86/source-interleave-x86_64.ll (original)
> +++ llvm/trunk/test/tools/llvm-objdump/X86/source-interleave-x86_64.ll Mon Dec 19 20:09:43 2016
> @@ -46,7 +46,7 @@ attributes #1 = { nounwind readnone }
> !1 = !DIFile(filename: "source-interleave-x86_64.c", directory: "SRC_COMPDIR")
> !2 = !{}
> !3 = !{!4}
> -!4 = distinct !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
> +!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true))
> !5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
> !6 = !{i32 2, !"Dwarf Version", i32 4}
> !7 = !{i32 2, !"Debug Info Version", i32 3}
> 
> Modified: llvm/trunk/unittests/IR/MetadataTest.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/IR/MetadataTest.cpp?rev=290153&r1=290152&r2=290153&view=diff
> ==============================================================================
> --- llvm/trunk/unittests/IR/MetadataTest.cpp (original)
> +++ llvm/trunk/unittests/IR/MetadataTest.cpp Mon Dec 19 20:09:43 2016
> @@ -1828,16 +1828,13 @@ TEST_F(DIGlobalVariableTest, get) {
>   DIType *Type = getDerivedType();
>   bool IsLocalToUnit = false;
>   bool IsDefinition = true;
> -  auto *Expr = DIExpression::get(Context, {1, 2});
> -  auto *Expr2 = DIExpression::get(Context, {1, 2, 3});
>   DIDerivedType *StaticDataMemberDeclaration =
>       cast<DIDerivedType>(getDerivedType());
>   uint32_t AlignInBits = 8;
> 
>   auto *N = DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line,
>                                   Type, IsLocalToUnit, IsDefinition,
> -                                  Expr, StaticDataMemberDeclaration,
> -                                  AlignInBits);
> +                                  StaticDataMemberDeclaration, AlignInBits);
>   EXPECT_EQ(dwarf::DW_TAG_variable, N->getTag());
>   EXPECT_EQ(Scope, N->getScope());
>   EXPECT_EQ(Name, N->getName());
> @@ -1847,68 +1844,88 @@ TEST_F(DIGlobalVariableTest, get) {
>   EXPECT_EQ(Type, N->getType());
>   EXPECT_EQ(IsLocalToUnit, N->isLocalToUnit());
>   EXPECT_EQ(IsDefinition, N->isDefinition());
> -  EXPECT_EQ(Expr, N->getExpr());
>   EXPECT_EQ(StaticDataMemberDeclaration, N->getStaticDataMemberDeclaration());
>   EXPECT_EQ(AlignInBits, N->getAlignInBits());
>   EXPECT_EQ(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File,
>                                      Line, Type, IsLocalToUnit, IsDefinition,
> -                                     Expr, StaticDataMemberDeclaration,
> -                                     AlignInBits));
> +                                     StaticDataMemberDeclaration, AlignInBits));
> 
>   EXPECT_NE(N,
>             DIGlobalVariable::get(Context, getSubprogram(), Name, LinkageName,
>                                   File, Line, Type, IsLocalToUnit, IsDefinition,
> -                                  Expr, StaticDataMemberDeclaration,
> -                                  AlignInBits));
> +                                  StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, "other", LinkageName, File,
>                                      Line, Type, IsLocalToUnit, IsDefinition,
> -                                     Expr, StaticDataMemberDeclaration,
> -                                     AlignInBits));
> +                                     StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, "other", File, Line,
> -                                     Type, IsLocalToUnit, IsDefinition, Expr,
> -                                     StaticDataMemberDeclaration,
> -                                     AlignInBits));
> +                                     Type, IsLocalToUnit, IsDefinition,
> +                                     StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N,
>             DIGlobalVariable::get(Context, Scope, Name, LinkageName, getFile(),
> -                                  Line, Type, IsLocalToUnit, IsDefinition, Expr,
> -                                  StaticDataMemberDeclaration,
> -                                  AlignInBits));
> +                                  Line, Type, IsLocalToUnit, IsDefinition,
> +                                  StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N,
>             DIGlobalVariable::get(Context, Scope, Name, LinkageName, File,
>                                   Line + 1, Type, IsLocalToUnit, IsDefinition,
> -                                  Expr, StaticDataMemberDeclaration,
> -                                  AlignInBits));
> +                                  StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N,
>             DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line,
>                                   getDerivedType(), IsLocalToUnit, IsDefinition,
> -                                  Expr, StaticDataMemberDeclaration,
> -                                  AlignInBits));
> +                                  StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File,
>                                      Line, Type, !IsLocalToUnit, IsDefinition,
> -                                     Expr, StaticDataMemberDeclaration,
> -                                     AlignInBits));
> +                                     StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File,
>                                      Line, Type, IsLocalToUnit, !IsDefinition,
> -                                     Expr, StaticDataMemberDeclaration,
> -                                     AlignInBits));
> +                                     StaticDataMemberDeclaration, AlignInBits));
>   EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File,
>                                      Line, Type, IsLocalToUnit, IsDefinition,
> -                                     Expr2, StaticDataMemberDeclaration,
> +                                     cast<DIDerivedType>(getDerivedType()),
>                                      AlignInBits));
> -  EXPECT_NE(N,
> -            DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line,
> -                                  Type, IsLocalToUnit, IsDefinition, Expr,
> -                                  cast<DIDerivedType>(getDerivedType()),
> -                                  AlignInBits));
>   EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File,
>                                      Line, Type, IsLocalToUnit, IsDefinition,
> -                                     Expr, StaticDataMemberDeclaration,
> +                                     StaticDataMemberDeclaration,
>                                      (AlignInBits << 1)));
> 
>   TempDIGlobalVariable Temp = N->clone();
>   EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
> }
> 
> +typedef MetadataTest DIGlobalVariableExpressionTest;
> +
> +TEST_F(DIGlobalVariableExpressionTest, get) {
> +  DIScope *Scope = getSubprogram();
> +  StringRef Name = "name";
> +  StringRef LinkageName = "linkage";
> +  DIFile *File = getFile();
> +  unsigned Line = 5;
> +  DIType *Type = getDerivedType();
> +  bool IsLocalToUnit = false;
> +  bool IsDefinition = true;
> +  auto *Expr = DIExpression::get(Context, {1, 2});
> +  auto *Expr2 = DIExpression::get(Context, {1, 2, 3});
> +  DIDerivedType *StaticDataMemberDeclaration =
> +      cast<DIDerivedType>(getDerivedType());
> +  uint32_t AlignInBits = 8;
> +
> +  auto *Var = DIGlobalVariable::get(Context, Scope, Name, LinkageName, File,
> +                                    Line, Type, IsLocalToUnit, IsDefinition,
> +                                    StaticDataMemberDeclaration, AlignInBits);
> +  auto *Var2 = DIGlobalVariable::get(Context, Scope, "other", LinkageName, File,
> +                                     Line, Type, IsLocalToUnit, IsDefinition,
> +                                     StaticDataMemberDeclaration, AlignInBits);
> +  auto *N = DIGlobalVariableExpression::get(Context, Var, Expr);
> +
> +  EXPECT_EQ(Var, N->getVariable());
> +  EXPECT_EQ(Expr, N->getExpression());
> +  EXPECT_EQ(N, DIGlobalVariableExpression::get(Context, Var, Expr));
> +  EXPECT_NE(N, DIGlobalVariableExpression::get(Context, Var2, Expr));
> +  EXPECT_NE(N, DIGlobalVariableExpression::get(Context, Var, Expr2));
> +
> +  TempDIGlobalVariableExpression Temp = N->clone();
> +  EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
> +}
> +
> typedef MetadataTest DILocalVariableTest;
> 
> TEST_F(DILocalVariableTest, get) {
> 
> 
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