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	Remove a strange round-trip through named metadata to assign preserved local variables to their subprograms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219798 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			701 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			701 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===- DIBuilder.h - Debug Information Builder ------------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // This file defines a DIBuilder that is useful for creating debugging
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| // information entries in LLVM IR form.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #ifndef LLVM_IR_DIBUILDER_H
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| #define LLVM_IR_DIBUILDER_H
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| 
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| #include "llvm/ADT/ArrayRef.h"
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| #include "llvm/ADT/StringRef.h"
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| #include "llvm/IR/DebugInfo.h"
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| #include "llvm/IR/ValueHandle.h"
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| #include "llvm/Support/DataTypes.h"
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| 
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| namespace llvm {
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|   class BasicBlock;
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|   class Instruction;
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|   class Function;
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|   class Module;
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|   class Value;
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|   class LLVMContext;
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|   class MDNode;
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|   class StringRef;
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|   class DIBasicType;
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|   class DICompileUnit;
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|   class DICompositeType;
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|   class DIDerivedType;
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|   class DIDescriptor;
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|   class DIFile;
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|   class DIEnumerator;
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|   class DIType;
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|   class DIGlobalVariable;
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|   class DIImportedEntity;
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|   class DINameSpace;
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|   class DIVariable;
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|   class DISubrange;
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|   class DILexicalBlockFile;
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|   class DILexicalBlock;
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|   class DIScope;
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|   class DISubprogram;
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|   class DITemplateTypeParameter;
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|   class DITemplateValueParameter;
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|   class DIObjCProperty;
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| 
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|   class DIBuilder {
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|     private:
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|     Module &M;
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|     LLVMContext &VMContext;
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| 
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|     MDNode *TempEnumTypes;
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|     MDNode *TempRetainTypes;
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|     MDNode *TempSubprograms;
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|     MDNode *TempGVs;
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|     MDNode *TempImportedModules;
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| 
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|     Function *DeclareFn;     // llvm.dbg.declare
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|     Function *ValueFn;       // llvm.dbg.value
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| 
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|     SmallVector<Value *, 4> AllEnumTypes;
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|     /// Use TrackingVH to collect RetainTypes, since they can be updated
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|     /// later on.
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|     SmallVector<TrackingVH<MDNode>, 4> AllRetainTypes;
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|     SmallVector<Value *, 4> AllSubprograms;
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|     SmallVector<Value *, 4> AllGVs;
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|     SmallVector<TrackingVH<MDNode>, 4> AllImportedModules;
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| 
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|     /// Each subprogram's preserved local variables.
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|     DenseMap<MDNode *, std::vector<TrackingVH<MDNode>>> PreservedVariables;
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| 
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|     // Private use for multiple types of template parameters.
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|     DITemplateValueParameter
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|     createTemplateValueParameter(unsigned Tag, DIDescriptor Scope,
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|                                  StringRef Name, DIType Ty, Value *Val,
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|                                  MDNode *File = nullptr, unsigned LineNo = 0,
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|                                  unsigned ColumnNo = 0);
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| 
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|     DIBuilder(const DIBuilder &) LLVM_DELETED_FUNCTION;
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|     void operator=(const DIBuilder &) LLVM_DELETED_FUNCTION;
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| 
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|     public:
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|     explicit DIBuilder(Module &M);
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|     enum DebugEmissionKind { FullDebug=1, LineTablesOnly };
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| 
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|     /// finalize - Construct any deferred debug info descriptors.
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|     void finalize();
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| 
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|     /// createCompileUnit - A CompileUnit provides an anchor for all debugging
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|     /// information generated during this instance of compilation.
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|     /// @param Lang     Source programming language, eg. dwarf::DW_LANG_C99
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|     /// @param File     File name
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|     /// @param Dir      Directory
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|     /// @param Producer Identify the producer of debugging information and code.
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|     ///                 Usually this is a compiler version string.
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|     /// @param isOptimized A boolean flag which indicates whether optimization
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|     ///                    is ON or not.
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|     /// @param Flags    This string lists command line options. This string is
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|     ///                 directly embedded in debug info output which may be used
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|     ///                 by a tool analyzing generated debugging information.
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|     /// @param RV       This indicates runtime version for languages like
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|     ///                 Objective-C.
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|     /// @param SplitName The name of the file that we'll split debug info out
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|     ///                  into.
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|     /// @param Kind     The kind of debug information to generate.
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|     /// @param EmitDebugInfo   A boolean flag which indicates whether debug
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|     ///                        information should be written to the final
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|     ///                        output or not. When this is false, debug
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|     ///                        information annotations will be present in
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|     ///                        the IL but they are not written to the final
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|     ///                        assembly or object file. This supports tracking
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|     ///                        source location information in the back end
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|     ///                        without actually changing the output (e.g.,
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|     ///                        when using optimization remarks).
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|     DICompileUnit createCompileUnit(unsigned Lang, StringRef File,
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|                                     StringRef Dir, StringRef Producer,
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|                                     bool isOptimized, StringRef Flags,
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|                                     unsigned RV,
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|                                     StringRef SplitName = StringRef(),
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|                                     DebugEmissionKind Kind = FullDebug,
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|                                     bool EmitDebugInfo = true);
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| 
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|     /// createFile - Create a file descriptor to hold debugging information
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|     /// for a file.
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|     DIFile createFile(StringRef Filename, StringRef Directory);
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| 
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|     /// createEnumerator - Create a single enumerator value.
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|     DIEnumerator createEnumerator(StringRef Name, int64_t Val);
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| 
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|     /// \brief Create a DWARF unspecified type.
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|     DIBasicType createUnspecifiedType(StringRef Name);
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| 
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|     /// \brief Create C++11 nullptr type.
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|     DIBasicType createNullPtrType();
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| 
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|     /// createBasicType - Create debugging information entry for a basic
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|     /// type.
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|     /// @param Name        Type name.
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|     /// @param SizeInBits  Size of the type.
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|     /// @param AlignInBits Type alignment.
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|     /// @param Encoding    DWARF encoding code, e.g. dwarf::DW_ATE_float.
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|     DIBasicType createBasicType(StringRef Name, uint64_t SizeInBits,
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|                                 uint64_t AlignInBits, unsigned Encoding);
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| 
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|     /// createQualifiedType - Create debugging information entry for a qualified
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|     /// type, e.g. 'const int'.
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|     /// @param Tag         Tag identifing type, e.g. dwarf::TAG_volatile_type
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|     /// @param FromTy      Base Type.
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|     DIDerivedType createQualifiedType(unsigned Tag, DIType FromTy);
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| 
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|     /// createPointerType - Create debugging information entry for a pointer.
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|     /// @param PointeeTy   Type pointed by this pointer.
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|     /// @param SizeInBits  Size.
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|     /// @param AlignInBits Alignment. (optional)
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|     /// @param Name        Pointer type name. (optional)
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|     DIDerivedType
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|     createPointerType(DIType PointeeTy, uint64_t SizeInBits,
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|                       uint64_t AlignInBits = 0, StringRef Name = StringRef());
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| 
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|     /// \brief Create debugging information entry for a pointer to member.
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|     /// @param PointeeTy Type pointed to by this pointer.
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|     /// @param Class Type for which this pointer points to members of.
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|     DIDerivedType createMemberPointerType(DIType PointeeTy, DIType Class);
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| 
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|     /// createReferenceType - Create debugging information entry for a c++
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|     /// style reference or rvalue reference type.
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|     DIDerivedType createReferenceType(unsigned Tag, DIType RTy);
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| 
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|     /// createTypedef - Create debugging information entry for a typedef.
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|     /// @param Ty          Original type.
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|     /// @param Name        Typedef name.
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|     /// @param File        File where this type is defined.
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|     /// @param LineNo      Line number.
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|     /// @param Context     The surrounding context for the typedef.
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|     DIDerivedType createTypedef(DIType Ty, StringRef Name, DIFile File,
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|                                 unsigned LineNo, DIDescriptor Context);
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| 
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|     /// createFriend - Create debugging information entry for a 'friend'.
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|     DIDerivedType createFriend(DIType Ty, DIType FriendTy);
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| 
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|     /// createInheritance - Create debugging information entry to establish
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|     /// inheritance relationship between two types.
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|     /// @param Ty           Original type.
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|     /// @param BaseTy       Base type. Ty is inherits from base.
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|     /// @param BaseOffset   Base offset.
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|     /// @param Flags        Flags to describe inheritance attribute,
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|     ///                     e.g. private
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|     DIDerivedType createInheritance(DIType Ty, DIType BaseTy,
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|                                     uint64_t BaseOffset, unsigned Flags);
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| 
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|     /// createMemberType - Create debugging information entry for a member.
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|     /// @param Scope        Member scope.
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|     /// @param Name         Member name.
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|     /// @param File         File where this member is defined.
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|     /// @param LineNo       Line number.
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|     /// @param SizeInBits   Member size.
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|     /// @param AlignInBits  Member alignment.
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|     /// @param OffsetInBits Member offset.
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|     /// @param Flags        Flags to encode member attribute, e.g. private
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|     /// @param Ty           Parent type.
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|     DIDerivedType
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|     createMemberType(DIDescriptor Scope, StringRef Name, DIFile File,
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|                      unsigned LineNo, uint64_t SizeInBits, uint64_t AlignInBits,
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|                      uint64_t OffsetInBits, unsigned Flags, DIType Ty);
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| 
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|     /// createStaticMemberType - Create debugging information entry for a
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|     /// C++ static data member.
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|     /// @param Scope      Member scope.
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|     /// @param Name       Member name.
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|     /// @param File       File where this member is declared.
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|     /// @param LineNo     Line number.
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|     /// @param Ty         Type of the static member.
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|     /// @param Flags      Flags to encode member attribute, e.g. private.
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|     /// @param Val        Const initializer of the member.
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|     DIDerivedType
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|     createStaticMemberType(DIDescriptor Scope, StringRef Name,
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|                            DIFile File, unsigned LineNo, DIType Ty,
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|                            unsigned Flags, llvm::Value *Val);
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| 
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|     /// createObjCIVar - Create debugging information entry for Objective-C
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|     /// instance variable.
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|     /// @param Name         Member name.
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|     /// @param File         File where this member is defined.
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|     /// @param LineNo       Line number.
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|     /// @param SizeInBits   Member size.
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|     /// @param AlignInBits  Member alignment.
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|     /// @param OffsetInBits Member offset.
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|     /// @param Flags        Flags to encode member attribute, e.g. private
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|     /// @param Ty           Parent type.
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|     /// @param PropertyNode Property associated with this ivar.
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|     DIDerivedType createObjCIVar(StringRef Name, DIFile File,
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|                                  unsigned LineNo, uint64_t SizeInBits,
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|                                  uint64_t AlignInBits, uint64_t OffsetInBits,
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|                                  unsigned Flags, DIType Ty,
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|                                  MDNode *PropertyNode);
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| 
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|     /// createObjCProperty - Create debugging information entry for Objective-C
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|     /// property.
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|     /// @param Name         Property name.
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|     /// @param File         File where this property is defined.
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|     /// @param LineNumber   Line number.
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|     /// @param GetterName   Name of the Objective C property getter selector.
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|     /// @param SetterName   Name of the Objective C property setter selector.
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|     /// @param PropertyAttributes Objective C property attributes.
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|     /// @param Ty           Type.
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|     DIObjCProperty createObjCProperty(StringRef Name,
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|                                       DIFile File, unsigned LineNumber,
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|                                       StringRef GetterName,
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|                                       StringRef SetterName,
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|                                       unsigned PropertyAttributes,
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|                                       DIType Ty);
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| 
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|     /// createClassType - Create debugging information entry for a class.
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|     /// @param Scope        Scope in which this class is defined.
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|     /// @param Name         class name.
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|     /// @param File         File where this member is defined.
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|     /// @param LineNumber   Line number.
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|     /// @param SizeInBits   Member size.
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|     /// @param AlignInBits  Member alignment.
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|     /// @param OffsetInBits Member offset.
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|     /// @param Flags        Flags to encode member attribute, e.g. private
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|     /// @param Elements     class members.
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|     /// @param VTableHolder Debug info of the base class that contains vtable
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|     ///                     for this type. This is used in
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|     ///                     DW_AT_containing_type. See DWARF documentation
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|     ///                     for more info.
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|     /// @param TemplateParms Template type parameters.
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|     /// @param UniqueIdentifier A unique identifier for the class.
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|     DICompositeType createClassType(DIDescriptor Scope, StringRef Name,
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|                                     DIFile File, unsigned LineNumber,
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|                                     uint64_t SizeInBits, uint64_t AlignInBits,
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|                                     uint64_t OffsetInBits, unsigned Flags,
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|                                     DIType DerivedFrom, DIArray Elements,
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|                                     DIType VTableHolder = DIType(),
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|                                     MDNode *TemplateParms = nullptr,
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|                                     StringRef UniqueIdentifier = StringRef());
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| 
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|     /// createStructType - Create debugging information entry for a struct.
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|     /// @param Scope        Scope in which this struct is defined.
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|     /// @param Name         Struct name.
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|     /// @param File         File where this member is defined.
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|     /// @param LineNumber   Line number.
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|     /// @param SizeInBits   Member size.
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|     /// @param AlignInBits  Member alignment.
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|     /// @param Flags        Flags to encode member attribute, e.g. private
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|     /// @param Elements     Struct elements.
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|     /// @param RunTimeLang  Optional parameter, Objective-C runtime version.
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|     /// @param UniqueIdentifier A unique identifier for the struct.
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|     DICompositeType createStructType(DIDescriptor Scope, StringRef Name,
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|                                      DIFile File, unsigned LineNumber,
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|                                      uint64_t SizeInBits, uint64_t AlignInBits,
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|                                      unsigned Flags, DIType DerivedFrom,
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|                                      DIArray Elements, unsigned RunTimeLang = 0,
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|                                      DIType VTableHolder = DIType(),
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|                                      StringRef UniqueIdentifier = StringRef());
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| 
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|     /// createUnionType - Create debugging information entry for an union.
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|     /// @param Scope        Scope in which this union is defined.
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|     /// @param Name         Union name.
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|     /// @param File         File where this member is defined.
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|     /// @param LineNumber   Line number.
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|     /// @param SizeInBits   Member size.
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|     /// @param AlignInBits  Member alignment.
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|     /// @param Flags        Flags to encode member attribute, e.g. private
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|     /// @param Elements     Union elements.
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|     /// @param RunTimeLang  Optional parameter, Objective-C runtime version.
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|     /// @param UniqueIdentifier A unique identifier for the union.
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|     DICompositeType createUnionType(
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|         DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber,
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|         uint64_t SizeInBits, uint64_t AlignInBits, unsigned Flags,
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|         DIArray Elements, unsigned RunTimeLang = 0,
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|         StringRef UniqueIdentifier = StringRef());
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| 
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|     /// createTemplateTypeParameter - Create debugging information for template
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|     /// type parameter.
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|     /// @param Scope        Scope in which this type is defined.
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|     /// @param Name         Type parameter name.
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|     /// @param Ty           Parameter type.
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|     /// @param File         File where this type parameter is defined.
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|     /// @param LineNo       Line number.
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|     /// @param ColumnNo     Column Number.
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|     DITemplateTypeParameter
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|     createTemplateTypeParameter(DIDescriptor Scope, StringRef Name, DIType Ty,
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|                                 MDNode *File = nullptr, unsigned LineNo = 0,
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|                                 unsigned ColumnNo = 0);
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| 
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|     /// createTemplateValueParameter - Create debugging information for template
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|     /// value parameter.
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|     /// @param Scope        Scope in which this type is defined.
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|     /// @param Name         Value parameter name.
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|     /// @param Ty           Parameter type.
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|     /// @param Val          Constant parameter value.
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|     /// @param File         File where this type parameter is defined.
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|     /// @param LineNo       Line number.
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|     /// @param ColumnNo     Column Number.
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|     DITemplateValueParameter
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|     createTemplateValueParameter(DIDescriptor Scope, StringRef Name,
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|                                  DIType Ty, Value *Val, MDNode *File = nullptr,
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|                                  unsigned LineNo = 0, unsigned ColumnNo = 0);
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| 
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|     /// \brief Create debugging information for a template template parameter.
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|     /// @param Scope        Scope in which this type is defined.
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|     /// @param Name         Value parameter name.
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|     /// @param Ty           Parameter type.
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|     /// @param Val          The fully qualified name of the template.
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|     /// @param File         File where this type parameter is defined.
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|     /// @param LineNo       Line number.
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|     /// @param ColumnNo     Column Number.
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|     DITemplateValueParameter
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|     createTemplateTemplateParameter(DIDescriptor Scope, StringRef Name,
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|                                     DIType Ty, StringRef Val,
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|                                     MDNode *File = nullptr, unsigned LineNo = 0,
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|                                     unsigned ColumnNo = 0);
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| 
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|     /// \brief Create debugging information for a template parameter pack.
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|     /// @param Scope        Scope in which this type is defined.
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|     /// @param Name         Value parameter name.
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|     /// @param Ty           Parameter type.
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|     /// @param Val          An array of types in the pack.
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|     /// @param File         File where this type parameter is defined.
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|     /// @param LineNo       Line number.
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|     /// @param ColumnNo     Column Number.
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|     DITemplateValueParameter
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|     createTemplateParameterPack(DIDescriptor Scope, StringRef Name,
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|                                 DIType Ty, DIArray Val, MDNode *File = nullptr,
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|                                 unsigned LineNo = 0, unsigned ColumnNo = 0);
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| 
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|     /// createArrayType - Create debugging information entry for an array.
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|     /// @param Size         Array size.
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|     /// @param AlignInBits  Alignment.
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|     /// @param Ty           Element type.
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|     /// @param Subscripts   Subscripts.
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|     DICompositeType createArrayType(uint64_t Size, uint64_t AlignInBits,
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|                                     DIType Ty, DIArray Subscripts);
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| 
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|     /// createVectorType - Create debugging information entry for a vector type.
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|     /// @param Size         Array size.
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|     /// @param AlignInBits  Alignment.
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|     /// @param Ty           Element type.
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|     /// @param Subscripts   Subscripts.
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|     DICompositeType createVectorType(uint64_t Size, uint64_t AlignInBits,
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|                                      DIType Ty, DIArray Subscripts);
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| 
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|     /// createEnumerationType - Create debugging information entry for an
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|     /// enumeration.
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|     /// @param Scope          Scope in which this enumeration is defined.
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|     /// @param Name           Union name.
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|     /// @param File           File where this member is defined.
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|     /// @param LineNumber     Line number.
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|     /// @param SizeInBits     Member size.
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|     /// @param AlignInBits    Member alignment.
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|     /// @param Elements       Enumeration elements.
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|     /// @param UnderlyingType Underlying type of a C++11/ObjC fixed enum.
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|     /// @param UniqueIdentifier A unique identifier for the enum.
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|     DICompositeType createEnumerationType(DIDescriptor Scope, StringRef Name,
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|         DIFile File, unsigned LineNumber, uint64_t SizeInBits,
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|         uint64_t AlignInBits, DIArray Elements, DIType UnderlyingType,
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|         StringRef UniqueIdentifier = StringRef());
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| 
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|     /// createSubroutineType - Create subroutine type.
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|     /// @param File            File in which this subroutine is defined.
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|     /// @param ParameterTypes  An array of subroutine parameter types. This
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|     ///                        includes return type at 0th index.
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|     /// @param Flags           E.g.: LValueReference.
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|     ///                        These flags are used to emit dwarf attributes.
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|     DISubroutineType createSubroutineType(DIFile File,
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|                                           DITypeArray ParameterTypes,
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|                                           unsigned Flags = 0);
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| 
 | |
|     /// createArtificialType - Create a new DIType with "artificial" flag set.
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|     DIType createArtificialType(DIType Ty);
 | |
| 
 | |
|     /// createObjectPointerType - Create a new DIType with the "object pointer"
 | |
|     /// flag set.
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|     DIType createObjectPointerType(DIType Ty);
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| 
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|     /// \brief Create a permanent forward-declared type.
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|     DICompositeType createForwardDecl(unsigned Tag, StringRef Name,
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|                                       DIDescriptor Scope, DIFile F,
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|                                       unsigned Line, unsigned RuntimeLang = 0,
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|                                       uint64_t SizeInBits = 0,
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|                                       uint64_t AlignInBits = 0,
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|                                       StringRef UniqueIdentifier = StringRef());
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| 
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|     /// \brief Create a temporary forward-declared type.
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|     DICompositeType createReplaceableForwardDecl(
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|         unsigned Tag, StringRef Name, DIDescriptor Scope, DIFile F,
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|         unsigned Line, unsigned RuntimeLang = 0, uint64_t SizeInBits = 0,
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|         uint64_t AlignInBits = 0, StringRef UniqueIdentifier = StringRef());
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| 
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|     /// retainType - Retain DIType in a module even if it is not referenced
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|     /// through debug info anchors.
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|     void retainType(DIType T);
 | |
| 
 | |
|     /// createUnspecifiedParameter - Create unspecified parameter type
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|     /// for a subroutine type.
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|     DIBasicType createUnspecifiedParameter();
 | |
| 
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|     /// getOrCreateArray - Get a DIArray, create one if required.
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|     DIArray getOrCreateArray(ArrayRef<Value *> Elements);
 | |
| 
 | |
|     /// getOrCreateTypeArray - Get a DITypeArray, create one if required.
 | |
|     DITypeArray getOrCreateTypeArray(ArrayRef<Value *> Elements);
 | |
| 
 | |
|     /// getOrCreateSubrange - Create a descriptor for a value range.  This
 | |
|     /// implicitly uniques the values returned.
 | |
|     DISubrange getOrCreateSubrange(int64_t Lo, int64_t Count);
 | |
| 
 | |
| 
 | |
|     /// createGlobalVariable - 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.
 | |
|     /// @param File        File where this variable is defined.
 | |
|     /// @param LineNo      Line number.
 | |
|     /// @param Ty          Variable Type.
 | |
|     /// @param isLocalToUnit Boolean flag indicate whether this variable is
 | |
|     ///                      externally visible or not.
 | |
|     /// @param Val         llvm::Value of the variable.
 | |
|     /// @param Decl        Reference to the corresponding declaration.
 | |
|     DIGlobalVariable
 | |
|     createGlobalVariable(DIDescriptor Context, StringRef Name,
 | |
|                          StringRef LinkageName, DIFile File, unsigned LineNo,
 | |
|                          DITypeRef Ty, bool isLocalToUnit, llvm::Value *Val,
 | |
|                          MDNode *Decl = nullptr);
 | |
| 
 | |
|     /// createTempGlobalVariableFwdDecl - Identical to createGlobalVariable
 | |
|     /// except that the resulting DbgNode is temporary and meant to be RAUWed.
 | |
|     DIGlobalVariable
 | |
|     createTempGlobalVariableFwdDecl(DIDescriptor Context, StringRef Name,
 | |
|                                     StringRef LinkageName, DIFile File,
 | |
|                                     unsigned LineNo, DITypeRef Ty,
 | |
|                                     bool isLocalToUnit, llvm::Value *Val,
 | |
|                                     MDNode *Decl = nullptr);
 | |
| 
 | |
| 
 | |
|     /// createLocalVariable - Create a new descriptor for the specified
 | |
|     /// local variable.
 | |
|     /// @param Tag         Dwarf TAG. Usually DW_TAG_auto_variable or
 | |
|     ///                    DW_TAG_arg_variable.
 | |
|     /// @param Scope       Variable scope.
 | |
|     /// @param Name        Variable name.
 | |
|     /// @param File        File where this variable is defined.
 | |
|     /// @param LineNo      Line number.
 | |
|     /// @param Ty          Variable Type
 | |
|     /// @param AlwaysPreserve Boolean. Set to true if debug info for this
 | |
|     ///                       variable should be preserved in optimized build.
 | |
|     /// @param Flags       Flags, e.g. artificial variable.
 | |
|     /// @param ArgNo       If this variable is an argument then this argument's
 | |
|     ///                    number. 1 indicates 1st argument.
 | |
|     DIVariable createLocalVariable(unsigned Tag, DIDescriptor Scope,
 | |
|                                    StringRef Name,
 | |
|                                    DIFile File, unsigned LineNo,
 | |
|                                    DITypeRef Ty, bool AlwaysPreserve = false,
 | |
|                                    unsigned Flags = 0,
 | |
|                                    unsigned ArgNo = 0);
 | |
| 
 | |
|     /// createExpression - Create a new descriptor for the specified
 | |
|     /// variable which has a complex address expression for its address.
 | |
|     /// @param Addr        An array of complex address operations.
 | |
|     DIExpression createExpression(ArrayRef<int64_t> Addr = None);
 | |
| 
 | |
|     /// createPieceExpression - Create a descriptor to describe one part
 | |
|     /// of aggregate variable that is fragmented across multiple Values.
 | |
|     ///
 | |
|     /// @param OffsetInBytes Offset of the piece in bytes.
 | |
|     /// @param SizeInBytes   Size of the piece in bytes.
 | |
|     DIExpression createPieceExpression(unsigned OffsetInBytes,
 | |
|                                        unsigned SizeInBytes);
 | |
| 
 | |
|     /// createFunction - Create a new descriptor for the specified subprogram.
 | |
|     /// See comments in DISubprogram for descriptions of these fields.
 | |
|     /// @param Scope         Function scope.
 | |
|     /// @param Name          Function name.
 | |
|     /// @param LinkageName   Mangled function name.
 | |
|     /// @param File          File where this variable is defined.
 | |
|     /// @param LineNo        Line number.
 | |
|     /// @param Ty            Function type.
 | |
|     /// @param isLocalToUnit True if this function is not externally visible.
 | |
|     /// @param isDefinition  True if this is a function definition.
 | |
|     /// @param ScopeLine     Set to the beginning of the scope this starts
 | |
|     /// @param Flags         e.g. is this function prototyped or not.
 | |
|     ///                      These flags are used to emit dwarf attributes.
 | |
|     /// @param isOptimized   True if optimization is ON.
 | |
|     /// @param Fn            llvm::Function pointer.
 | |
|     /// @param TParam        Function template parameters.
 | |
|     DISubprogram createFunction(DIDescriptor Scope, StringRef Name,
 | |
|                                 StringRef LinkageName,
 | |
|                                 DIFile File, unsigned LineNo,
 | |
|                                 DICompositeType Ty, bool isLocalToUnit,
 | |
|                                 bool isDefinition,
 | |
|                                 unsigned ScopeLine,
 | |
|                                 unsigned Flags = 0,
 | |
|                                 bool isOptimized = false,
 | |
|                                 Function *Fn = nullptr,
 | |
|                                 MDNode *TParam = nullptr,
 | |
|                                 MDNode *Decl = nullptr);
 | |
| 
 | |
|     /// createTempFunctionFwdDecl - Identical to createFunction,
 | |
|     /// except that the resulting DbgNode is meant to be RAUWed.
 | |
|     DISubprogram createTempFunctionFwdDecl(DIDescriptor Scope, StringRef Name,
 | |
|                                            StringRef LinkageName,
 | |
|                                            DIFile File, unsigned LineNo,
 | |
|                                            DICompositeType Ty, bool isLocalToUnit,
 | |
|                                            bool isDefinition,
 | |
|                                            unsigned ScopeLine,
 | |
|                                            unsigned Flags = 0,
 | |
|                                            bool isOptimized = false,
 | |
|                                            Function *Fn = nullptr,
 | |
|                                            MDNode *TParam = nullptr,
 | |
|                                            MDNode *Decl = nullptr);
 | |
| 
 | |
| 
 | |
|     /// FIXME: this is added for dragonegg. Once we update dragonegg
 | |
|     /// to call resolve function, this will be removed.
 | |
|     DISubprogram createFunction(DIScopeRef Scope, StringRef Name,
 | |
|                                 StringRef LinkageName,
 | |
|                                 DIFile File, unsigned LineNo,
 | |
|                                 DICompositeType Ty, bool isLocalToUnit,
 | |
|                                 bool isDefinition,
 | |
|                                 unsigned ScopeLine,
 | |
|                                 unsigned Flags = 0,
 | |
|                                 bool isOptimized = false,
 | |
|                                 Function *Fn = nullptr,
 | |
|                                 MDNode *TParam = nullptr,
 | |
|                                 MDNode *Decl = nullptr);
 | |
| 
 | |
|     /// createMethod - Create a new descriptor for the specified C++ method.
 | |
|     /// See comments in DISubprogram for descriptions of these fields.
 | |
|     /// @param Scope         Function scope.
 | |
|     /// @param Name          Function name.
 | |
|     /// @param LinkageName   Mangled function name.
 | |
|     /// @param File          File where this variable is defined.
 | |
|     /// @param LineNo        Line number.
 | |
|     /// @param Ty            Function type.
 | |
|     /// @param isLocalToUnit True if this function is not externally visible..
 | |
|     /// @param isDefinition  True if this is a function definition.
 | |
|     /// @param Virtuality    Attributes describing virtualness. e.g. pure
 | |
|     ///                      virtual function.
 | |
|     /// @param VTableIndex   Index no of this method in virtual table.
 | |
|     /// @param VTableHolder  Type that holds vtable.
 | |
|     /// @param Flags         e.g. is this function prototyped or not.
 | |
|     ///                      This flags are used to emit dwarf attributes.
 | |
|     /// @param isOptimized   True if optimization is ON.
 | |
|     /// @param Fn            llvm::Function pointer.
 | |
|     /// @param TParam        Function template parameters.
 | |
|     DISubprogram createMethod(DIDescriptor Scope, StringRef Name,
 | |
|                               StringRef LinkageName,
 | |
|                               DIFile File, unsigned LineNo,
 | |
|                               DICompositeType Ty, bool isLocalToUnit,
 | |
|                               bool isDefinition,
 | |
|                               unsigned Virtuality = 0, unsigned VTableIndex = 0,
 | |
|                               DIType VTableHolder = DIType(),
 | |
|                               unsigned Flags = 0,
 | |
|                               bool isOptimized = false,
 | |
|                               Function *Fn = nullptr,
 | |
|                               MDNode *TParam = nullptr);
 | |
| 
 | |
|     /// createNameSpace - This creates new descriptor for a namespace
 | |
|     /// with the specified parent scope.
 | |
|     /// @param Scope       Namespace scope
 | |
|     /// @param Name        Name of this namespace
 | |
|     /// @param File        Source file
 | |
|     /// @param LineNo      Line number
 | |
|     DINameSpace createNameSpace(DIDescriptor Scope, StringRef Name,
 | |
|                                 DIFile File, unsigned LineNo);
 | |
| 
 | |
| 
 | |
|     /// createLexicalBlockFile - This creates a descriptor for a lexical
 | |
|     /// block with a new file attached. This merely extends the existing
 | |
|     /// lexical block as it crosses a file.
 | |
|     /// @param Scope       Lexical block.
 | |
|     /// @param File        Source file.
 | |
|     /// @param Discriminator DWARF path discriminator value.
 | |
|     DILexicalBlockFile createLexicalBlockFile(DIDescriptor Scope, DIFile File,
 | |
|                                               unsigned Discriminator = 0);
 | |
| 
 | |
|     /// createLexicalBlock - This creates a descriptor for a lexical block
 | |
|     /// with the specified parent context.
 | |
|     /// @param Scope         Parent lexical scope.
 | |
|     /// @param File          Source file.
 | |
|     /// @param Line          Line number.
 | |
|     /// @param Col           Column number.
 | |
|     DILexicalBlock createLexicalBlock(DIDescriptor Scope, DIFile File,
 | |
|                                       unsigned Line, unsigned Col);
 | |
| 
 | |
|     /// \brief Create a descriptor for an imported module.
 | |
|     /// @param Context The scope this module is imported into
 | |
|     /// @param NS The namespace being imported here
 | |
|     /// @param Line Line number
 | |
|     DIImportedEntity createImportedModule(DIScope Context, DINameSpace NS,
 | |
|                                           unsigned Line);
 | |
| 
 | |
|     /// \brief Create a descriptor for an imported module.
 | |
|     /// @param Context The scope this module is imported into
 | |
|     /// @param NS An aliased namespace
 | |
|     /// @param Line Line number
 | |
|     DIImportedEntity createImportedModule(DIScope Context, DIImportedEntity NS,
 | |
|                                           unsigned Line);
 | |
| 
 | |
|     /// \brief Create a descriptor for an imported function.
 | |
|     /// @param Context The scope this module is imported into
 | |
|     /// @param Decl The declaration (or definition) of a function, type, or
 | |
|     ///             variable
 | |
|     /// @param Line Line number
 | |
|     DIImportedEntity createImportedDeclaration(DIScope Context, DIScope Decl,
 | |
|                                                unsigned Line,
 | |
|                                                StringRef Name = StringRef());
 | |
|     DIImportedEntity createImportedDeclaration(DIScope Context,
 | |
|                                                DIImportedEntity NS,
 | |
|                                                unsigned Line,
 | |
|                                                StringRef Name = StringRef());
 | |
| 
 | |
|     /// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
 | |
|     /// @param Storage     llvm::Value of the variable
 | |
|     /// @param VarInfo     Variable's debug info descriptor.
 | |
|     /// @param Expr         A complex location expression.
 | |
|     /// @param InsertAtEnd Location for the new intrinsic.
 | |
|     Instruction *insertDeclare(llvm::Value *Storage, DIVariable VarInfo,
 | |
|                                DIExpression Expr, BasicBlock *InsertAtEnd);
 | |
| 
 | |
|     /// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
 | |
|     /// @param Storage      llvm::Value of the variable
 | |
|     /// @param VarInfo      Variable's debug info descriptor.
 | |
|     /// @param Expr         A complex location expression.
 | |
|     /// @param InsertBefore Location for the new intrinsic.
 | |
|     Instruction *insertDeclare(llvm::Value *Storage, DIVariable VarInfo,
 | |
|                                DIExpression Expr, Instruction *InsertBefore);
 | |
| 
 | |
|     /// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
 | |
|     /// @param Val          llvm::Value of the variable
 | |
|     /// @param Offset       Offset
 | |
|     /// @param VarInfo      Variable's debug info descriptor.
 | |
|     /// @param Expr         A complex location expression.
 | |
|     /// @param InsertAtEnd Location for the new intrinsic.
 | |
|     Instruction *insertDbgValueIntrinsic(llvm::Value *Val, uint64_t Offset,
 | |
|                                          DIVariable VarInfo, DIExpression Expr,
 | |
|                                          BasicBlock *InsertAtEnd);
 | |
| 
 | |
|     /// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
 | |
|     /// @param Val          llvm::Value of the variable
 | |
|     /// @param Offset       Offset
 | |
|     /// @param VarInfo      Variable's debug info descriptor.
 | |
|     /// @param Expr         A complex location expression.
 | |
|     /// @param InsertBefore Location for the new intrinsic.
 | |
|     Instruction *insertDbgValueIntrinsic(llvm::Value *Val, uint64_t Offset,
 | |
|                                          DIVariable VarInfo, DIExpression Expr,
 | |
|                                          Instruction *InsertBefore);
 | |
|   };
 | |
| } // end namespace llvm
 | |
| 
 | |
| #endif
 |