#ifndef LLVM_CODEGEN_MACHINEMODULEINFO_H
#define LLVM_CODEGEN_MACHINEMODULEINFO_H
-#include "llvm/Support/Dwarf.h"
-#include "llvm/Support/DataTypes.h"
-#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/UniqueVector.h"
+#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/CodeGen/MachineLocation.h"
-#include "llvm/GlobalValue.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/ValueHandle.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MachineLocation.h"
#include "llvm/Pass.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/DebugLoc.h"
+#include "llvm/Support/Dwarf.h"
namespace llvm {
//===----------------------------------------------------------------------===//
// Forward declarations.
class Constant;
-class DebugInfoDesc;
class GlobalVariable;
+class MDNode;
+class MMIAddrLabelMap;
class MachineBasicBlock;
class MachineFunction;
class Module;
class StructType;
//===----------------------------------------------------------------------===//
-// Debug info constants.
-
-enum {
- LLVMDebugVersion = (7 << 16), // Current version of debug information.
- LLVMDebugVersion6 = (6 << 16), // Constant for version 6.
- LLVMDebugVersion5 = (5 << 16), // Constant for version 5.
- LLVMDebugVersion4 = (4 << 16), // Constant for version 4.
- LLVMDebugVersionMask = 0xffff0000 // Mask for version number.
-};
-
-//===----------------------------------------------------------------------===//
-/// DIVisitor - Subclasses of this class apply steps to each of the fields in
-/// the supplied DebugInfoDesc.
-class DIVisitor {
-public:
- DIVisitor() {}
- virtual ~DIVisitor() {}
-
- /// ApplyToFields - Target the visitor to each field of the debug information
- /// descriptor.
- void ApplyToFields(DebugInfoDesc *DD);
-
- /// Apply - Subclasses override each of these methods to perform the
- /// appropriate action for the type of field.
- virtual void Apply(int &Field) = 0;
- virtual void Apply(unsigned &Field) = 0;
- virtual void Apply(int64_t &Field) = 0;
- virtual void Apply(uint64_t &Field) = 0;
- virtual void Apply(bool &Field) = 0;
- virtual void Apply(std::string &Field) = 0;
- virtual void Apply(DebugInfoDesc *&Field) = 0;
- virtual void Apply(GlobalVariable *&Field) = 0;
- virtual void Apply(std::vector<DebugInfoDesc *> &Field) = 0;
-};
-
-//===----------------------------------------------------------------------===//
-/// DebugInfoDesc - This class is the base class for debug info descriptors.
-///
-class DebugInfoDesc {
-private:
- unsigned Tag; // Content indicator. Dwarf values are
- // used but that does not limit use to
- // Dwarf writers.
-
-protected:
- explicit DebugInfoDesc(unsigned T) : Tag(T | LLVMDebugVersion) {}
-
-public:
- virtual ~DebugInfoDesc() {}
-
- // Accessors
- unsigned getTag() const { return Tag & ~LLVMDebugVersionMask; }
- unsigned getVersion() const { return Tag & LLVMDebugVersionMask; }
- void setTag(unsigned T) { Tag = T | LLVMDebugVersion; }
-
- /// TagFromGlobal - Returns the tag number from a debug info descriptor
- /// GlobalVariable. Return DIIValid if operand is not an unsigned int.
- static unsigned TagFromGlobal(GlobalVariable *GV);
-
- /// VersionFromGlobal - Returns the version number from a debug info
- /// descriptor GlobalVariable. Return DIIValid if operand is not an unsigned
- /// int.
- static unsigned VersionFromGlobal(GlobalVariable *GV);
-
- /// DescFactory - Create an instance of debug info descriptor based on Tag.
- /// Return NULL if not a recognized Tag.
- static DebugInfoDesc *DescFactory(unsigned Tag);
-
- /// getLinkage - get linkage appropriate for this type of descriptor.
- ///
- virtual GlobalValue::LinkageTypes getLinkage() const;
-
- //===--------------------------------------------------------------------===//
- // Subclasses should supply the following static methods.
-
- // Implement isa/cast/dyncast.
- static bool classof(const DebugInfoDesc *) { return true; }
-
- //===--------------------------------------------------------------------===//
- // Subclasses should supply the following virtual methods.
-
- /// ApplyToFields - Target the vistor to the fields of the descriptor.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const = 0;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const = 0;
-
-#ifndef NDEBUG
- virtual void dump() = 0;
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// AnchorDesc - Descriptors of this class act as markers for identifying
-/// descriptors of certain groups.
-class AnchoredDesc;
-class AnchorDesc : public DebugInfoDesc {
-private:
- unsigned AnchorTag; // Tag number of descriptors anchored
- // by this object.
-
-public:
- AnchorDesc();
- explicit AnchorDesc(AnchoredDesc *D);
-
- // Accessors
- unsigned getAnchorTag() const { return AnchorTag; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const AnchorDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// getLinkage - get linkage appropriate for this type of descriptor.
- ///
- virtual GlobalValue::LinkageTypes getLinkage() const;
-
- /// ApplyToFields - Target the visitor to the fields of the AnchorDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// AnchoredDesc - This class manages anchors for a variety of top level
-/// descriptors.
-class AnchoredDesc : public DebugInfoDesc {
-private:
- DebugInfoDesc *Anchor; // Anchor for all descriptors of the
- // same type.
-
-protected:
-
- explicit AnchoredDesc(unsigned T);
-
-public:
- // Accessors.
- AnchorDesc *getAnchor() const { return static_cast<AnchorDesc *>(Anchor); }
- void setAnchor(AnchorDesc *A) { Anchor = static_cast<DebugInfoDesc *>(A); }
-
- //===--------------------------------------------------------------------===//
- // Subclasses should supply the following virtual methods.
-
- /// getAnchorString - Return a string used to label descriptor's anchor.
- ///
- virtual const char *getAnchorString() const = 0;
-
- /// ApplyToFields - Target the visitor to the fields of the AnchoredDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-};
-
-//===----------------------------------------------------------------------===//
-/// CompileUnitDesc - This class packages debug information associated with a
-/// source/header file.
-class CompileUnitDesc : public AnchoredDesc {
-private:
- unsigned Language; // Language number (ex. DW_LANG_C89.)
- std::string FileName; // Source file name.
- std::string Directory; // Source file directory.
- std::string Producer; // Compiler string.
-
-public:
- CompileUnitDesc();
-
-
- // Accessors
- unsigned getLanguage() const { return Language; }
- const std::string &getFileName() const { return FileName; }
- const std::string &getDirectory() const { return Directory; }
- const std::string &getProducer() const { return Producer; }
- void setLanguage(unsigned L) { Language = L; }
- void setFileName(const std::string &FN) { FileName = FN; }
- void setDirectory(const std::string &D) { Directory = D; }
- void setProducer(const std::string &P) { Producer = P; }
-
- // FIXME - Need translation unit getter/setter.
-
- // Implement isa/cast/dyncast.
- static bool classof(const CompileUnitDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the CompileUnitDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
- /// getAnchorString - Return a string used to label this descriptor's anchor.
- ///
- static const char *const AnchorString;
- virtual const char *getAnchorString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// TypeDesc - This class packages debug information associated with a type.
+/// LandingPadInfo - This structure is used to retain landing pad info for
+/// the current function.
///
-class TypeDesc : public DebugInfoDesc {
-private:
- enum {
- FlagPrivate = 1 << 0,
- FlagProtected = 1 << 1,
- FlagFwdDecl = 1 << 2
- };
- DebugInfoDesc *Context; // Context debug descriptor.
- std::string Name; // Type name (may be empty.)
- DebugInfoDesc *File; // Defined compile unit (may be NULL.)
- unsigned Line; // Defined line# (may be zero.)
- uint64_t Size; // Type bit size (may be zero.)
- uint64_t Align; // Type bit alignment (may be zero.)
- uint64_t Offset; // Type bit offset (may be zero.)
-
-protected:
- unsigned Flags; // Miscellaneous flags.
-
-public:
- explicit TypeDesc(unsigned T);
-
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- const std::string &getName() const { return Name; }
- CompileUnitDesc *getFile() const {
- return static_cast<CompileUnitDesc *>(File);
- }
- unsigned getLine() const { return Line; }
- uint64_t getSize() const { return Size; }
- uint64_t getAlign() const { return Align; }
- uint64_t getOffset() const { return Offset; }
- bool isPrivate() const {
- return (Flags & FlagPrivate) != 0;
- }
- bool isProtected() const {
- return (Flags & FlagProtected) != 0;
- }
- bool isForwardDecl() const {
- return (Flags & FlagFwdDecl) != 0;
- }
- void setContext(DebugInfoDesc *C) { Context = C; }
- void setName(const std::string &N) { Name = N; }
- void setFile(CompileUnitDesc *U) {
- File = static_cast<DebugInfoDesc *>(U);
- }
- void setLine(unsigned L) { Line = L; }
- void setSize(uint64_t S) { Size = S; }
- void setAlign(uint64_t A) { Align = A; }
- void setOffset(uint64_t O) { Offset = O; }
- void setIsPrivate() { Flags |= FlagPrivate; }
- void setIsProtected() { Flags |= FlagProtected; }
- void setIsForwardDecl() { Flags |= FlagFwdDecl; }
-
- /// ApplyToFields - Target the visitor to the fields of the TypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// BasicTypeDesc - This class packages debug information associated with a
-/// basic type (eg. int, bool, double.)
-class BasicTypeDesc : public TypeDesc {
-private:
- unsigned Encoding; // Type encoding.
-
-public:
- BasicTypeDesc();
-
- // Accessors
- unsigned getEncoding() const { return Encoding; }
- void setEncoding(unsigned E) { Encoding = E; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const BasicTypeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the BasicTypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-
-//===----------------------------------------------------------------------===//
-/// DerivedTypeDesc - This class packages debug information associated with a
-/// derived types (eg., typedef, pointer, reference.)
-class DerivedTypeDesc : public TypeDesc {
-private:
- DebugInfoDesc *FromType; // Type derived from.
-
-public:
- explicit DerivedTypeDesc(unsigned T);
-
- // Accessors
- TypeDesc *getFromType() const {
- return static_cast<TypeDesc *>(FromType);
- }
- void setFromType(TypeDesc *F) {
- FromType = static_cast<DebugInfoDesc *>(F);
- }
-
- // Implement isa/cast/dyncast.
- static bool classof(const DerivedTypeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the DerivedTypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// CompositeTypeDesc - This class packages debug information associated with a
-/// array/struct types (eg., arrays, struct, union, enums.)
-class CompositeTypeDesc : public DerivedTypeDesc {
-private:
- std::vector<DebugInfoDesc *> Elements;// Information used to compose type.
-
-public:
- explicit CompositeTypeDesc(unsigned T);
-
- // Accessors
- std::vector<DebugInfoDesc *> &getElements() { return Elements; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const CompositeTypeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the CompositeTypeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// SubrangeDesc - This class packages debug information associated with integer
-/// value ranges.
-class SubrangeDesc : public DebugInfoDesc {
-private:
- int64_t Lo; // Low value of range.
- int64_t Hi; // High value of range.
-
-public:
- SubrangeDesc();
-
- // Accessors
- int64_t getLo() const { return Lo; }
- int64_t getHi() const { return Hi; }
- void setLo(int64_t L) { Lo = L; }
- void setHi(int64_t H) { Hi = H; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const SubrangeDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the SubrangeDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
+struct LandingPadInfo {
+ MachineBasicBlock *LandingPadBlock; // Landing pad block.
+ SmallVector<MCSymbol*, 1> BeginLabels; // Labels prior to invoke.
+ SmallVector<MCSymbol*, 1> EndLabels; // Labels after invoke.
+ MCSymbol *LandingPadLabel; // Label at beginning of landing pad.
+ const Function *Personality; // Personality function.
+ std::vector<int> TypeIds; // List of type ids (filters negative)
-#ifndef NDEBUG
- virtual void dump();
-#endif
+ explicit LandingPadInfo(MachineBasicBlock *MBB)
+ : LandingPadBlock(MBB), LandingPadLabel(0), Personality(0) {}
};
//===----------------------------------------------------------------------===//
-/// EnumeratorDesc - This class packages debug information associated with
-/// named integer constants.
-class EnumeratorDesc : public DebugInfoDesc {
-private:
- std::string Name; // Enumerator name.
- int64_t Value; // Enumerator value.
-
+/// MachineModuleInfoImpl - This class can be derived from and used by targets
+/// to hold private target-specific information for each Module. Objects of
+/// type are accessed/created with MMI::getInfo and destroyed when the
+/// MachineModuleInfo is destroyed.
+///
+class MachineModuleInfoImpl {
public:
- EnumeratorDesc();
-
- // Accessors
- const std::string &getName() const { return Name; }
- int64_t getValue() const { return Value; }
- void setName(const std::string &N) { Name = N; }
- void setValue(int64_t V) { Value = V; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const EnumeratorDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the EnumeratorDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// VariableDesc - This class packages debug information associated with a
-/// subprogram variable.
-///
-class VariableDesc : public DebugInfoDesc {
-private:
- DebugInfoDesc *Context; // Context debug descriptor.
- std::string Name; // Type name (may be empty.)
- DebugInfoDesc *File; // Defined compile unit (may be NULL.)
- unsigned Line; // Defined line# (may be zero.)
- DebugInfoDesc *TyDesc; // Type of variable.
-
-public:
- explicit VariableDesc(unsigned T);
-
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- const std::string &getName() const { return Name; }
- CompileUnitDesc *getFile() const {
- return static_cast<CompileUnitDesc *>(File);
- }
- unsigned getLine() const { return Line; }
- TypeDesc *getType() const {
- return static_cast<TypeDesc *>(TyDesc);
- }
- void setContext(DebugInfoDesc *C) { Context = C; }
- void setName(const std::string &N) { Name = N; }
- void setFile(CompileUnitDesc *U) {
- File = static_cast<DebugInfoDesc *>(U);
- }
- void setLine(unsigned L) { Line = L; }
- void setType(TypeDesc *T) {
- TyDesc = static_cast<DebugInfoDesc *>(T);
- }
-
- // Implement isa/cast/dyncast.
- static bool classof(const VariableDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the VariableDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// GlobalDesc - This class is the base descriptor for global functions and
-/// variables.
-class GlobalDesc : public AnchoredDesc {
-private:
- DebugInfoDesc *Context; // Context debug descriptor.
- std::string Name; // Global name.
- std::string FullName; // Fully qualified name.
- std::string LinkageName; // Name for binding to MIPS linkage.
- DebugInfoDesc *File; // Defined compile unit (may be NULL.)
- unsigned Line; // Defined line# (may be zero.)
- DebugInfoDesc *TyDesc; // Type debug descriptor.
- bool IsStatic; // Is the global a static.
- bool IsDefinition; // Is the global defined in context.
-
+ typedef PointerIntPair<MCSymbol*, 1, bool> StubValueTy;
+ virtual ~MachineModuleInfoImpl();
+ typedef std::vector<std::pair<MCSymbol*, StubValueTy> > SymbolListTy;
protected:
- explicit GlobalDesc(unsigned T);
-
-public:
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- const std::string &getName() const { return Name; }
- const std::string &getFullName() const { return FullName; }
- const std::string &getLinkageName() const { return LinkageName; }
- CompileUnitDesc *getFile() const {
- return static_cast<CompileUnitDesc *>(File);
- }
- unsigned getLine() const { return Line; }
- TypeDesc *getType() const {
- return static_cast<TypeDesc *>(TyDesc);
- }
- bool isStatic() const { return IsStatic; }
- bool isDefinition() const { return IsDefinition; }
- void setContext(DebugInfoDesc *C) { Context = C; }
- void setName(const std::string &N) { Name = N; }
- void setFullName(const std::string &N) { FullName = N; }
- void setLinkageName(const std::string &N) { LinkageName = N; }
- void setFile(CompileUnitDesc *U) {
- File = static_cast<DebugInfoDesc *>(U);
- }
- void setLine(unsigned L) { Line = L; }
- void setType(TypeDesc *T) {
- TyDesc = static_cast<DebugInfoDesc *>(T);
- }
- void setIsStatic(bool IS) { IsStatic = IS; }
- void setIsDefinition(bool ID) { IsDefinition = ID; }
-
- /// ApplyToFields - Target the visitor to the fields of the GlobalDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-};
-
-//===----------------------------------------------------------------------===//
-/// GlobalVariableDesc - This class packages debug information associated with a
-/// GlobalVariable.
-class GlobalVariableDesc : public GlobalDesc {
-private:
- GlobalVariable *Global; // llvm global.
-
-public:
- GlobalVariableDesc();
-
- // Accessors.
- GlobalVariable *getGlobalVariable() const { return Global; }
- void setGlobalVariable(GlobalVariable *GV) { Global = GV; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const GlobalVariableDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the
- /// GlobalVariableDesc.
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
- /// getAnchorString - Return a string used to label this descriptor's anchor.
- ///
- static const char *const AnchorString;
- virtual const char *getAnchorString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// SubprogramDesc - This class packages debug information associated with a
-/// subprogram/function.
-class SubprogramDesc : public GlobalDesc {
-private:
-
-public:
- SubprogramDesc();
-
- // Accessors
-
- // Implement isa/cast/dyncast.
- static bool classof(const SubprogramDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the SubprogramDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
- /// getAnchorString - Return a string used to label this descriptor's anchor.
- ///
- static const char *const AnchorString;
- virtual const char *getAnchorString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
+ static SymbolListTy GetSortedStubs(const DenseMap<MCSymbol*, StubValueTy>&);
};
//===----------------------------------------------------------------------===//
-/// BlockDesc - This descriptor groups variables and blocks nested in a block.
+/// MachineModuleInfo - This class contains meta information specific to a
+/// module. Queries can be made by different debugging and exception handling
+/// schemes and reformated for specific use.
///
-class BlockDesc : public DebugInfoDesc {
-private:
- DebugInfoDesc *Context; // Context debug descriptor.
-
-public:
- BlockDesc();
-
- // Accessors
- DebugInfoDesc *getContext() const { return Context; }
- void setContext(DebugInfoDesc *C) { Context = C; }
-
- // Implement isa/cast/dyncast.
- static bool classof(const BlockDesc *) { return true; }
- static bool classof(const DebugInfoDesc *D);
-
- /// ApplyToFields - Target the visitor to the fields of the BlockDesc.
- ///
- virtual void ApplyToFields(DIVisitor *Visitor);
-
- /// getDescString - Return a string used to compose global names and labels.
- ///
- virtual const char *getDescString() const;
-
- /// getTypeString - Return a string used to label this descriptor's type.
- ///
- virtual const char *getTypeString() const;
-
-#ifndef NDEBUG
- virtual void dump();
-#endif
-};
-
-//===----------------------------------------------------------------------===//
-/// DIDeserializer - This class is responsible for casting GlobalVariables
-/// into DebugInfoDesc objects.
-class DIDeserializer {
- // Previously defined gloabls.
- std::map<GlobalVariable*, DebugInfoDesc*> GlobalDescs;
-public:
- const std::map<GlobalVariable *, DebugInfoDesc *> &getGlobalDescs() const {
- return GlobalDescs;
- }
-
- /// Deserialize - Reconstitute a GlobalVariable into it's component
- /// DebugInfoDesc objects.
- DebugInfoDesc *Deserialize(Value *V);
- DebugInfoDesc *Deserialize(GlobalVariable *GV);
-};
-
-//===----------------------------------------------------------------------===//
-/// DISerializer - This class is responsible for casting DebugInfoDesc objects
-/// into GlobalVariables.
-class DISerializer {
- Module *M; // Definition space module.
- PointerType *StrPtrTy; // A "i8*" type. Created lazily.
- PointerType *EmptyStructPtrTy; // A "{ }*" type. Created lazily.
-
- // Types per Tag. Created lazily.
- std::map<unsigned, StructType *> TagTypes;
+class MachineModuleInfo : public ImmutablePass {
+ /// Context - This is the MCContext used for the entire code generator.
+ MCContext Context;
- // Previously defined descriptors.
- DenseMap<DebugInfoDesc *, GlobalVariable *> DescGlobals;
+ /// TheModule - This is the LLVM Module being worked on.
+ const Module *TheModule;
- // Previously defined strings.
- StringMap<Constant*> StringCache;
-public:
- DISerializer()
- : M(NULL), StrPtrTy(NULL), EmptyStructPtrTy(NULL), TagTypes(),
- DescGlobals(), StringCache()
- {}
-
- // Accessors
- Module *getModule() const { return M; };
- void setModule(Module *module) { M = module; }
-
- /// getStrPtrType - Return a "i8*" type.
- ///
- const PointerType *getStrPtrType();
-
- /// getEmptyStructPtrType - Return a "{ }*" type.
- ///
- const PointerType *getEmptyStructPtrType();
-
- /// getTagType - Return the type describing the specified descriptor (via
- /// tag.)
- const StructType *getTagType(DebugInfoDesc *DD);
-
- /// getString - Construct the string as constant string global.
- ///
- Constant *getString(const std::string &String);
-
- /// Serialize - Recursively cast the specified descriptor into a
- /// GlobalVariable so that it can be serialized to a .bc or .ll file.
- GlobalVariable *Serialize(DebugInfoDesc *DD);
-
- /// addDescriptor - Directly connect DD with existing GV.
- void addDescriptor(DebugInfoDesc *DD, GlobalVariable *GV);
-};
+ /// ObjFileMMI - This is the object-file-format-specific implementation of
+ /// MachineModuleInfoImpl, which lets targets accumulate whatever info they
+ /// want.
+ MachineModuleInfoImpl *ObjFileMMI;
-//===----------------------------------------------------------------------===//
-/// DIVerifier - This class is responsible for verifying the given network of
-/// GlobalVariables are valid as DebugInfoDesc objects.
-class DIVerifier {
- enum {
- Unknown = 0,
- Invalid,
- Valid
- };
- DenseMap<GlobalVariable *, unsigned> Validity; // Tracks prior results.
- std::map<unsigned, unsigned> Counts; // Count of fields per Tag type.
-public:
- DIVerifier()
- : Validity(), Counts()
- {}
-
- /// Verify - Return true if the GlobalVariable appears to be a valid
- /// serialization of a DebugInfoDesc.
- bool Verify(Value *V);
- bool Verify(GlobalVariable *GV);
-
- /// isVerified - Return true if the specified GV has already been
- /// verified as a debug information descriptor.
- bool isVerified(GlobalVariable *GV);
-};
+ /// List of moves done by a function's prolog. Used to construct frame maps
+ /// by debug and exception handling consumers.
+ std::vector<MCCFIInstruction> FrameInstructions;
-//===----------------------------------------------------------------------===//
-/// SourceLineInfo - This class is used to record source line correspondence.
-///
-class SourceLineInfo {
- unsigned Line; // Source line number.
- unsigned Column; // Source column.
- unsigned SourceID; // Source ID number.
- unsigned LabelID; // Label in code ID number.
-public:
- SourceLineInfo(unsigned L, unsigned C, unsigned S, unsigned I)
- : Line(L), Column(C), SourceID(S), LabelID(I) {}
-
- // Accessors
- unsigned getLine() const { return Line; }
- unsigned getColumn() const { return Column; }
- unsigned getSourceID() const { return SourceID; }
- unsigned getLabelID() const { return LabelID; }
-};
+ /// CompactUnwindEncoding - If the target supports it, this is the compact
+ /// unwind encoding. It replaces a function's CIE and FDE.
+ uint32_t CompactUnwindEncoding;
-//===----------------------------------------------------------------------===//
-/// SourceFileInfo - This class is used to track source information.
-///
-class SourceFileInfo {
- unsigned DirectoryID; // Directory ID number.
- std::string Name; // File name (not including directory.)
-public:
- SourceFileInfo(unsigned D, const std::string &N) : DirectoryID(D), Name(N) {}
-
- // Accessors
- unsigned getDirectoryID() const { return DirectoryID; }
- const std::string &getName() const { return Name; }
+ /// LandingPads - List of LandingPadInfo describing the landing pad
+ /// information in the current function.
+ std::vector<LandingPadInfo> LandingPads;
- /// operator== - Used by UniqueVector to locate entry.
- ///
- bool operator==(const SourceFileInfo &SI) const {
- return getDirectoryID() == SI.getDirectoryID() && getName() == SI.getName();
- }
+ /// LPadToCallSiteMap - Map a landing pad's EH symbol to the call site
+ /// indexes.
+ DenseMap<MCSymbol*, SmallVector<unsigned, 4> > LPadToCallSiteMap;
- /// operator< - Used by UniqueVector to locate entry.
- ///
- bool operator<(const SourceFileInfo &SI) const {
- return getDirectoryID() < SI.getDirectoryID() ||
- (getDirectoryID() == SI.getDirectoryID() && getName() < SI.getName());
- }
-};
+ /// CallSiteMap - Map of invoke call site index values to associated begin
+ /// EH_LABEL for the current function.
+ DenseMap<MCSymbol*, unsigned> CallSiteMap;
-//===----------------------------------------------------------------------===//
-/// DebugVariable - This class is used to track local variable information.
-///
-class DebugVariable {
-private:
- VariableDesc *Desc; // Variable Descriptor.
- unsigned FrameIndex; // Variable frame index.
+ /// CurCallSite - The current call site index being processed, if any. 0 if
+ /// none.
+ unsigned CurCallSite;
-public:
- DebugVariable(VariableDesc *D, unsigned I)
- : Desc(D)
- , FrameIndex(I)
- {}
-
- // Accessors.
- VariableDesc *getDesc() const { return Desc; }
- unsigned getFrameIndex() const { return FrameIndex; }
-};
+ /// TypeInfos - List of C++ TypeInfo used in the current function.
+ std::vector<const GlobalVariable *> TypeInfos;
-//===----------------------------------------------------------------------===//
-/// DebugScope - This class is used to track scope information.
-///
-class DebugScope {
-private:
- DebugScope *Parent; // Parent to this scope.
- DebugInfoDesc *Desc; // Debug info descriptor for scope.
- // Either subprogram or block.
- unsigned StartLabelID; // Label ID of the beginning of scope.
- unsigned EndLabelID; // Label ID of the end of scope.
- std::vector<DebugScope *> Scopes; // Scopes defined in scope.
- std::vector<DebugVariable *> Variables;// Variables declared in scope.
-
-public:
- DebugScope(DebugScope *P, DebugInfoDesc *D)
- : Parent(P)
- , Desc(D)
- , StartLabelID(0)
- , EndLabelID(0)
- , Scopes()
- , Variables()
- {}
- ~DebugScope();
-
- // Accessors.
- DebugScope *getParent() const { return Parent; }
- DebugInfoDesc *getDesc() const { return Desc; }
- unsigned getStartLabelID() const { return StartLabelID; }
- unsigned getEndLabelID() const { return EndLabelID; }
- std::vector<DebugScope *> &getScopes() { return Scopes; }
- std::vector<DebugVariable *> &getVariables() { return Variables; }
- void setStartLabelID(unsigned S) { StartLabelID = S; }
- void setEndLabelID(unsigned E) { EndLabelID = E; }
-
- /// AddScope - Add a scope to the scope.
- ///
- void AddScope(DebugScope *S) { Scopes.push_back(S); }
-
- /// AddVariable - Add a variable to the scope.
- ///
- void AddVariable(DebugVariable *V) { Variables.push_back(V); }
-};
-
-//===----------------------------------------------------------------------===//
-/// LandingPadInfo - This structure is used to retain landing pad info for
-/// the current function.
-///
-struct LandingPadInfo {
- MachineBasicBlock *LandingPadBlock; // Landing pad block.
- SmallVector<unsigned, 1> BeginLabels; // Labels prior to invoke.
- SmallVector<unsigned, 1> EndLabels; // Labels after invoke.
- unsigned LandingPadLabel; // Label at beginning of landing pad.
- Function *Personality; // Personality function.
- std::vector<int> TypeIds; // List of type ids (filters negative)
-
- explicit LandingPadInfo(MachineBasicBlock *MBB)
- : LandingPadBlock(MBB)
- , LandingPadLabel(0)
- , Personality(NULL)
- {}
-};
-
-//===----------------------------------------------------------------------===//
-/// MachineModuleInfo - This class contains meta information specific to a
-/// module. Queries can be made by different debugging and exception handling
-/// schemes and reformated for specific use.
-///
-class MachineModuleInfo : public ImmutablePass {
-private:
- // Use the same deserializer/verifier for the module.
- DIDeserializer DR;
- DIVerifier VR;
-
- // CompileUnits - Uniquing vector for compile units.
- UniqueVector<CompileUnitDesc *> CompileUnits;
-
- // Directories - Uniquing vector for directories.
- UniqueVector<std::string> Directories;
-
- // SourceFiles - Uniquing vector for source files.
- UniqueVector<SourceFileInfo> SourceFiles;
-
- // Lines - List of of source line correspondence.
- std::vector<SourceLineInfo> Lines;
-
- // LabelIDList - One entry per assigned label. Normally the entry is equal to
- // the list index(+1). If the entry is zero then the label has been deleted.
- // Any other value indicates the label has been deleted by is mapped to
- // another label.
- std::vector<unsigned> LabelIDList;
-
- // ScopeMap - Tracks the scopes in the current function.
- std::map<DebugInfoDesc *, DebugScope *> ScopeMap;
-
- // RootScope - Top level scope for the current function.
- //
- DebugScope *RootScope;
-
- // FrameMoves - List of moves done by a function's prolog. Used to construct
- // frame maps by debug and exception handling consumers.
- std::vector<MachineMove> FrameMoves;
-
- // LandingPads - List of LandingPadInfo describing the landing pad information
- // in the current function.
- std::vector<LandingPadInfo> LandingPads;
-
- // TypeInfos - List of C++ TypeInfo used in the current function.
- //
- std::vector<GlobalVariable *> TypeInfos;
-
- // FilterIds - List of typeids encoding filters used in the current function.
- //
+ /// FilterIds - List of typeids encoding filters used in the current function.
std::vector<unsigned> FilterIds;
- // FilterEnds - List of the indices in FilterIds corresponding to filter
- // terminators.
- //
+ /// FilterEnds - List of the indices in FilterIds corresponding to filter
+ /// terminators.
std::vector<unsigned> FilterEnds;
- // Personalities - Vector of all personality functions ever seen. Used to emit
- // common EH frames.
- std::vector<Function *> Personalities;
+ /// Personalities - Vector of all personality functions ever seen. Used to
+ /// emit common EH frames.
+ std::vector<const Function *> Personalities;
- // UsedFunctions - the functions in the llvm.used list in a more easily
- // searchable format.
+ /// UsedFunctions - The functions in the @llvm.used list in a more easily
+ /// searchable format. This does not include the functions in
+ /// llvm.compiler.used.
SmallPtrSet<const Function *, 32> UsedFunctions;
+ /// AddrLabelSymbols - This map keeps track of which symbol is being used for
+ /// the specified basic block's address of label.
+ MMIAddrLabelMap *AddrLabelSymbols;
+
bool CallsEHReturn;
bool CallsUnwindInit;
-
+
/// DbgInfoAvailable - True if debugging information is available
/// in this module.
bool DbgInfoAvailable;
+
+ /// UsesVAFloatArgument - True if this module calls VarArg function with
+ /// floating-point arguments. This is used to emit an undefined reference
+ /// to _fltused on Windows targets.
+ bool UsesVAFloatArgument;
+
public:
static char ID; // Pass identification, replacement for typeid
- MachineModuleInfo();
+ typedef std::pair<unsigned, DebugLoc> UnsignedDebugLocPair;
+ typedef SmallVector<std::pair<TrackingVH<MDNode>, UnsignedDebugLocPair>, 4>
+ VariableDbgInfoMapTy;
+ VariableDbgInfoMapTy VariableDbgInfo;
+
+ MachineModuleInfo(); // DUMMY CONSTRUCTOR, DO NOT CALL.
+ // Real constructor.
+ MachineModuleInfo(const MCAsmInfo &MAI, const MCRegisterInfo &MRI,
+ const MCObjectFileInfo *MOFI);
~MachineModuleInfo();
-
- /// doInitialization - Initialize the state for a new module.
- ///
- bool doInitialization();
-
- /// doFinalization - Tear down the state after completion of a module.
- ///
- bool doFinalization();
-
- /// BeginFunction - Begin gathering function meta information.
- ///
- void BeginFunction(MachineFunction *MF);
-
+
+ // Initialization and Finalization
+ virtual bool doInitialization(Module &);
+ virtual bool doFinalization(Module &);
+
/// EndFunction - Discard function meta information.
///
void EndFunction();
- /// getDescFor - Convert a Value to a debug information descriptor.
- ///
- // FIXME - use new Value type when available.
- DebugInfoDesc *getDescFor(Value *V);
-
- /// Verify - Verify that a Value is debug information descriptor.
+ const MCContext &getContext() const { return Context; }
+ MCContext &getContext() { return Context; }
+
+ void setModule(const Module *M) { TheModule = M; }
+ const Module *getModule() const { return TheModule; }
+
+ /// getInfo - Keep track of various per-function pieces of information for
+ /// backends that would like to do so.
///
- bool Verify(Value *V) { return VR.Verify(V); }
+ template<typename Ty>
+ Ty &getObjFileInfo() {
+ if (ObjFileMMI == 0)
+ ObjFileMMI = new Ty(*this);
+ return *static_cast<Ty*>(ObjFileMMI);
+ }
+
+ template<typename Ty>
+ const Ty &getObjFileInfo() const {
+ return const_cast<MachineModuleInfo*>(this)->getObjFileInfo<Ty>();
+ }
- /// isVerified - Return true if the specified GV has already been
- /// verified as a debug information descriptor.
- bool isVerified(GlobalVariable *GV) { return VR.isVerified(GV); }
-
/// AnalyzeModule - Scan the module for global debug information.
///
- void AnalyzeModule(Module &M);
-
+ void AnalyzeModule(const Module &M);
+
/// hasDebugInfo - Returns true if valid debug info is present.
///
bool hasDebugInfo() const { return DbgInfoAvailable; }
- void setDebugInfoAvailability(bool avail) { DbgInfoAvailable = true; }
+ void setDebugInfoAvailability(bool avail) { DbgInfoAvailable = avail; }
bool callsEHReturn() const { return CallsEHReturn; }
void setCallsEHReturn(bool b) { CallsEHReturn = b; }
bool callsUnwindInit() const { return CallsUnwindInit; }
void setCallsUnwindInit(bool b) { CallsUnwindInit = b; }
-
- /// NextLabelID - Return the next unique label id.
- ///
- unsigned NextLabelID() {
- unsigned ID = (unsigned)LabelIDList.size() + 1;
- LabelIDList.push_back(ID);
- return ID;
- }
-
- /// RecordSourceLine - Records location information and associates it with a
- /// label. Returns a unique label ID used to generate a label and
- /// provide correspondence to the source line list.
- unsigned RecordSourceLine(unsigned Line, unsigned Column, unsigned Source);
-
- /// InvalidateLabel - Inhibit use of the specified label # from
- /// MachineModuleInfo, for example because the code was deleted.
- void InvalidateLabel(unsigned LabelID) {
- // Remap to zero to indicate deletion.
- RemapLabel(LabelID, 0);
- }
- /// RemapLabel - Indicate that a label has been merged into another.
- ///
- void RemapLabel(unsigned OldLabelID, unsigned NewLabelID) {
- assert(0 < OldLabelID && OldLabelID <= LabelIDList.size() &&
- "Old label ID out of range.");
- assert(NewLabelID <= LabelIDList.size() &&
- "New label ID out of range.");
- LabelIDList[OldLabelID - 1] = NewLabelID;
- }
-
- /// MappedLabel - Find out the label's final ID. Zero indicates deletion.
- /// ID != Mapped ID indicates that the label was folded into another label.
- unsigned MappedLabel(unsigned LabelID) const {
- assert(LabelID <= LabelIDList.size() && "Debug label ID out of range.");
- return LabelID ? LabelIDList[LabelID - 1] : 0;
+ bool usesVAFloatArgument() const {
+ return UsesVAFloatArgument;
}
- /// RecordSource - Register a source file with debug info. Returns an source
- /// ID.
- unsigned RecordSource(const std::string &Directory,
- const std::string &Source);
- unsigned RecordSource(const CompileUnitDesc *CompileUnit);
-
- /// getDirectories - Return the UniqueVector of std::string representing
- /// directories.
- const UniqueVector<std::string> &getDirectories() const {
- return Directories;
- }
-
- /// getSourceFiles - Return the UniqueVector of source files.
- ///
- const UniqueVector<SourceFileInfo> &getSourceFiles() const {
- return SourceFiles;
+ void setUsesVAFloatArgument(bool b) {
+ UsesVAFloatArgument = b;
}
-
- /// getSourceLines - Return a vector of source lines.
- ///
- const std::vector<SourceLineInfo> &getSourceLines() const {
- return Lines;
+
+ /// \brief Returns a reference to a list of cfi instructions in the current
+ /// function's prologue. Used to construct frame maps for debug and exception
+ /// handling comsumers.
+ const std::vector<MCCFIInstruction> &getFrameInstructions() const {
+ return FrameInstructions;
}
-
- /// SetupCompileUnits - Set up the unique vector of compile units.
- ///
- void SetupCompileUnits(Module &M);
- /// getCompileUnits - Return a vector of debug compile units.
- ///
- const UniqueVector<CompileUnitDesc *> getCompileUnits() const;
-
- /// getGlobalVariablesUsing - Return all of the GlobalVariables that use the
- /// named GlobalVariable.
- void getGlobalVariablesUsing(Module &M, const std::string &RootName,
- std::vector<GlobalVariable*> &Result);
-
- /// getAnchoredDescriptors - Return a vector of anchored debug descriptors.
- ///
- template <class T>
- void getAnchoredDescriptors(Module &M, std::vector<T*> &AnchoredDescs) {
- T Desc;
- std::vector<GlobalVariable *> Globals;
- getGlobalVariablesUsing(M, Desc.getAnchorString(), Globals);
-
- for (unsigned i = 0, N = Globals.size(); i < N; ++i) {
- GlobalVariable *GV = Globals[i];
-
- // FIXME - In the short term, changes are too drastic to continue.
- if (DebugInfoDesc::TagFromGlobal(GV) == Desc.getTag() &&
- DebugInfoDesc::VersionFromGlobal(GV) == LLVMDebugVersion) {
- AnchoredDescs.push_back(cast<T>(DR.Deserialize(GV)));
- }
- }
+ void addFrameInst(const MCCFIInstruction &Inst) {
+ FrameInstructions.push_back(Inst);
}
-
- /// RecordRegionStart - Indicate the start of a region.
- ///
- unsigned RecordRegionStart(Value *V);
- /// RecordRegionEnd - Indicate the end of a region.
- ///
- unsigned RecordRegionEnd(Value *V);
+ /// getCompactUnwindEncoding - Returns the compact unwind encoding for a
+ /// function if the target supports the encoding. This encoding replaces a
+ /// function's CIE and FDE.
+ uint32_t getCompactUnwindEncoding() const { return CompactUnwindEncoding; }
- /// RecordVariable - Indicate the declaration of a local variable.
- ///
- void RecordVariable(GlobalValue *GV, unsigned FrameIndex);
-
- /// getRootScope - Return current functions root scope.
- ///
- DebugScope *getRootScope() { return RootScope; }
-
- /// getOrCreateScope - Returns the scope associated with the given descriptor.
- ///
- DebugScope *getOrCreateScope(DebugInfoDesc *ScopeDesc);
-
- /// getFrameMoves - Returns a reference to a list of moves done in the current
- /// function's prologue. Used to construct frame maps for debug and exception
- /// handling comsumers.
- std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
-
- //===-EH-----------------------------------------------------------------===//
+ /// setCompactUnwindEncoding - Set the compact unwind encoding for a function
+ /// if the target supports the encoding.
+ void setCompactUnwindEncoding(uint32_t Enc) { CompactUnwindEncoding = Enc; }
+
+ /// getAddrLabelSymbol - Return the symbol to be used for the specified basic
+ /// block when its address is taken. This cannot be its normal LBB label
+ /// because the block may be accessed outside its containing function.
+ MCSymbol *getAddrLabelSymbol(const BasicBlock *BB);
+
+ /// getAddrLabelSymbolToEmit - Return the symbol to be used for the specified
+ /// basic block when its address is taken. If other blocks were RAUW'd to
+ /// this one, we may have to emit them as well, return the whole set.
+ std::vector<MCSymbol*> getAddrLabelSymbolToEmit(const BasicBlock *BB);
+
+ /// takeDeletedSymbolsForFunction - If the specified function has had any
+ /// references to address-taken blocks generated, but the block got deleted,
+ /// return the symbol now so we can emit it. This prevents emitting a
+ /// reference to a symbol that has no definition.
+ void takeDeletedSymbolsForFunction(const Function *F,
+ std::vector<MCSymbol*> &Result);
+
+
+ //===- EH ---------------------------------------------------------------===//
/// getOrCreateLandingPadInfo - Find or create an LandingPadInfo for the
/// specified MachineBasicBlock.
/// addInvoke - Provide the begin and end labels of an invoke style call and
/// associate it with a try landing pad block.
- void addInvoke(MachineBasicBlock *LandingPad, unsigned BeginLabel,
- unsigned EndLabel);
-
- /// addLandingPad - Add a new panding pad. Returns the label ID for the
+ void addInvoke(MachineBasicBlock *LandingPad,
+ MCSymbol *BeginLabel, MCSymbol *EndLabel);
+
+ /// addLandingPad - Add a new panding pad. Returns the label ID for the
/// landing pad entry.
- unsigned addLandingPad(MachineBasicBlock *LandingPad);
-
+ MCSymbol *addLandingPad(MachineBasicBlock *LandingPad);
+
/// addPersonality - Provide the personality function for the exception
/// information.
- void addPersonality(MachineBasicBlock *LandingPad, Function *Personality);
+ void addPersonality(MachineBasicBlock *LandingPad,
+ const Function *Personality);
/// getPersonalityIndex - Get index of the current personality function inside
/// Personalitites array
unsigned getPersonalityIndex() const;
/// getPersonalities - Return array of personality functions ever seen.
- const std::vector<Function *>& getPersonalities() const {
+ const std::vector<const Function *>& getPersonalities() const {
return Personalities;
}
- // UsedFunctions - Return set of the functions in the llvm.used list.
- const SmallPtrSet<const Function *, 32>& getUsedFunctions() const {
- return UsedFunctions;
+ /// isUsedFunction - Return true if the functions in the llvm.used list. This
+ /// does not return true for things in llvm.compiler.used unless they are also
+ /// in llvm.used.
+ bool isUsedFunction(const Function *F) const {
+ return UsedFunctions.count(F);
}
/// addCatchTypeInfo - Provide the catch typeinfo for a landing pad.
///
void addCatchTypeInfo(MachineBasicBlock *LandingPad,
- std::vector<GlobalVariable *> &TyInfo);
+ ArrayRef<const GlobalVariable *> TyInfo);
/// addFilterTypeInfo - Provide the filter typeinfo for a landing pad.
///
void addFilterTypeInfo(MachineBasicBlock *LandingPad,
- std::vector<GlobalVariable *> &TyInfo);
+ ArrayRef<const GlobalVariable *> TyInfo);
/// addCleanup - Add a cleanup action for a landing pad.
///
void addCleanup(MachineBasicBlock *LandingPad);
- /// getTypeIDFor - Return the type id for the specified typeinfo. This is
+ /// getTypeIDFor - Return the type id for the specified typeinfo. This is
/// function wide.
- unsigned getTypeIDFor(GlobalVariable *TI);
+ unsigned getTypeIDFor(const GlobalVariable *TI);
/// getFilterIDFor - Return the id of the filter encoded by TyIds. This is
/// function wide.
/// TidyLandingPads - Remap landing pad labels and remove any deleted landing
/// pads.
- void TidyLandingPads();
-
+ void TidyLandingPads(DenseMap<MCSymbol*, uintptr_t> *LPMap = 0);
+
/// getLandingPads - Return a reference to the landing pad info for the
/// current function.
const std::vector<LandingPadInfo> &getLandingPads() const {
return LandingPads;
}
-
+
+ /// setCallSiteLandingPad - Map the landing pad's EH symbol to the call
+ /// site indexes.
+ void setCallSiteLandingPad(MCSymbol *Sym, ArrayRef<unsigned> Sites);
+
+ /// getCallSiteLandingPad - Get the call site indexes for a landing pad EH
+ /// symbol.
+ SmallVectorImpl<unsigned> &getCallSiteLandingPad(MCSymbol *Sym) {
+ assert(hasCallSiteLandingPad(Sym) &&
+ "missing call site number for landing pad!");
+ return LPadToCallSiteMap[Sym];
+ }
+
+ /// hasCallSiteLandingPad - Return true if the landing pad Eh symbol has an
+ /// associated call site.
+ bool hasCallSiteLandingPad(MCSymbol *Sym) {
+ return !LPadToCallSiteMap[Sym].empty();
+ }
+
+ /// setCallSiteBeginLabel - Map the begin label for a call site.
+ void setCallSiteBeginLabel(MCSymbol *BeginLabel, unsigned Site) {
+ CallSiteMap[BeginLabel] = Site;
+ }
+
+ /// getCallSiteBeginLabel - Get the call site number for a begin label.
+ unsigned getCallSiteBeginLabel(MCSymbol *BeginLabel) {
+ assert(hasCallSiteBeginLabel(BeginLabel) &&
+ "Missing call site number for EH_LABEL!");
+ return CallSiteMap[BeginLabel];
+ }
+
+ /// hasCallSiteBeginLabel - Return true if the begin label has a call site
+ /// number associated with it.
+ bool hasCallSiteBeginLabel(MCSymbol *BeginLabel) {
+ return CallSiteMap[BeginLabel] != 0;
+ }
+
+ /// setCurrentCallSite - Set the call site currently being processed.
+ void setCurrentCallSite(unsigned Site) { CurCallSite = Site; }
+
+ /// getCurrentCallSite - Get the call site currently being processed, if any.
+ /// return zero if none.
+ unsigned getCurrentCallSite() { return CurCallSite; }
+
/// getTypeInfos - Return a reference to the C++ typeinfo for the current
/// function.
- const std::vector<GlobalVariable *> &getTypeInfos() const {
+ const std::vector<const GlobalVariable *> &getTypeInfos() const {
return TypeInfos;
}
/// getPersonality - Return a personality function if available. The presence
/// of one is required to emit exception handling info.
- Function *getPersonality() const;
+ const Function *getPersonality() const;
+
+ /// setVariableDbgInfo - Collect information used to emit debugging
+ /// information of a variable.
+ void setVariableDbgInfo(MDNode *N, unsigned Slot, DebugLoc Loc) {
+ VariableDbgInfo.push_back(std::make_pair(N, std::make_pair(Slot, Loc)));
+ }
+
+ VariableDbgInfoMapTy &getVariableDbgInfo() { return VariableDbgInfo; }
- DIDeserializer *getDIDeserializer() { return &DR; }
}; // End class MachineModuleInfo
} // End llvm namespace
projects / oota-llvm.git / blobdiff