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-rw-r--r--lib/CodeGen/CGDebugInfo.h94
1 files changed, 61 insertions, 33 deletions
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index 0ca274f56881..fc3f434991fa 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -7,7 +7,7 @@
//
//===----------------------------------------------------------------------===//
//
-// This is the source level debug info generator for llvm translation.
+// This is the source-level debug info generator for llvm translation.
//
//===----------------------------------------------------------------------===//
@@ -20,10 +20,10 @@
#include "clang/Basic/SourceLocation.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "llvm/ADT/DenseMap.h"
-#include "llvm/DIBuilder.h"
-#include "llvm/DebugInfo.h"
+#include "llvm/IR/DIBuilder.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/Allocator.h"
-#include "llvm/Support/ValueHandle.h"
namespace llvm {
class MDNode;
@@ -47,8 +47,8 @@ namespace CodeGen {
/// and is responsible for emitting to llvm globals or pass directly to
/// the backend.
class CGDebugInfo {
- friend class NoLocation;
friend class ArtificialLocation;
+ friend class SaveAndRestoreLocation;
CodeGenModule &CGM;
const CodeGenOptions::DebugInfoKind DebugKind;
llvm::DIBuilder DBuilder;
@@ -65,21 +65,27 @@ class CGDebugInfo {
llvm::DIType BlockLiteralGeneric;
/// TypeCache - Cache of previously constructed Types.
- llvm::DenseMap<void *, llvm::WeakVH> TypeCache;
+ llvm::DenseMap<const void *, llvm::WeakVH> TypeCache;
+
+ struct ObjCInterfaceCacheEntry {
+ const ObjCInterfaceType *Type;
+ llvm::DIType Decl;
+ llvm::DIFile Unit;
+ ObjCInterfaceCacheEntry(const ObjCInterfaceType *Type, llvm::DIType Decl,
+ llvm::DIFile Unit)
+ : Type(Type), Decl(Decl), Unit(Unit) {}
+ };
/// ObjCInterfaceCache - Cache of previously constructed interfaces
- /// which may change. Storing a pair of DIType and checksum.
- llvm::DenseMap<void *, std::pair<llvm::WeakVH, unsigned> > ObjCInterfaceCache;
+ /// which may change.
+ llvm::SmallVector<ObjCInterfaceCacheEntry, 32> ObjCInterfaceCache;
/// RetainedTypes - list of interfaces we want to keep even if orphaned.
std::vector<void *> RetainedTypes;
- /// CompleteTypeCache - Cache of previously constructed complete RecordTypes.
- llvm::DenseMap<void *, llvm::WeakVH> CompletedTypeCache;
-
/// ReplaceMap - Cache of forward declared types to RAUW at the end of
/// compilation.
- std::vector<std::pair<void *, llvm::WeakVH> >ReplaceMap;
+ std::vector<std::pair<const TagType *, llvm::WeakVH>> ReplaceMap;
// LexicalBlockStack - Keep track of our current nested lexical block.
std::vector<llvm::TrackingVH<llvm::MDNode> > LexicalBlockStack;
@@ -109,6 +115,7 @@ class CGDebugInfo {
llvm::DIType CreateType(const ComplexType *Ty);
llvm::DIType CreateQualifiedType(QualType Ty, llvm::DIFile Fg);
llvm::DIType CreateType(const TypedefType *Ty, llvm::DIFile Fg);
+ llvm::DIType CreateType(const TemplateSpecializationType *Ty, llvm::DIFile Fg);
llvm::DIType CreateType(const ObjCObjectPointerType *Ty,
llvm::DIFile F);
llvm::DIType CreateType(const PointerType *Ty, llvm::DIFile F);
@@ -119,6 +126,7 @@ class CGDebugInfo {
llvm::DICompositeType CreateLimitedType(const RecordType *Ty);
void CollectContainingType(const CXXRecordDecl *RD, llvm::DICompositeType CT);
llvm::DIType CreateType(const ObjCInterfaceType *Ty, llvm::DIFile F);
+ llvm::DIType CreateTypeDefinition(const ObjCInterfaceType *Ty, llvm::DIFile F);
llvm::DIType CreateType(const ObjCObjectType *Ty, llvm::DIFile F);
llvm::DIType CreateType(const VectorType *Ty, llvm::DIFile F);
llvm::DIType CreateType(const ArrayType *Ty, llvm::DIFile F);
@@ -127,9 +135,9 @@ class CGDebugInfo {
llvm::DIType CreateType(const MemberPointerType *Ty, llvm::DIFile F);
llvm::DIType CreateType(const AtomicType *Ty, llvm::DIFile F);
llvm::DIType CreateEnumType(const EnumType *Ty);
+ llvm::DIType CreateTypeDefinition(const EnumType *Ty);
llvm::DIType CreateSelfType(const QualType &QualTy, llvm::DIType Ty);
llvm::DIType getTypeOrNull(const QualType);
- llvm::DIType getCompletedTypeOrNull(const QualType);
llvm::DICompositeType getOrCreateMethodType(const CXXMethodDecl *Method,
llvm::DIFile F);
llvm::DICompositeType getOrCreateInstanceMethodType(
@@ -139,7 +147,7 @@ class CGDebugInfo {
llvm::DIType getOrCreateVTablePtrType(llvm::DIFile F);
llvm::DINameSpace getOrCreateNameSpace(const NamespaceDecl *N);
llvm::DIType getOrCreateTypeDeclaration(QualType PointeeTy, llvm::DIFile F);
- llvm::DIType CreatePointerLikeType(unsigned Tag,
+ llvm::DIType CreatePointerLikeType(llvm::dwarf::Tag Tag,
const Type *Ty, QualType PointeeTy,
llvm::DIFile F);
@@ -219,8 +227,12 @@ public:
/// EmitFunctionStart - Emit a call to llvm.dbg.function.start to indicate
/// start of a new function.
- void EmitFunctionStart(GlobalDecl GD, QualType FnType,
- llvm::Function *Fn, CGBuilderTy &Builder);
+ /// \param Loc The location of the function header.
+ /// \param ScopeLoc The location of the function body.
+ void EmitFunctionStart(GlobalDecl GD,
+ SourceLocation Loc, SourceLocation ScopeLoc,
+ QualType FnType, llvm::Function *Fn,
+ CGBuilderTy &Builder);
/// EmitFunctionEnd - Constructs the debug code for exiting a function.
void EmitFunctionEnd(CGBuilderTy &Builder);
@@ -261,9 +273,6 @@ public:
/// EmitGlobalVariable - Emit information about a global variable.
void EmitGlobalVariable(llvm::GlobalVariable *GV, const VarDecl *Decl);
- /// EmitGlobalVariable - Emit information about an objective-c interface.
- void EmitGlobalVariable(llvm::GlobalVariable *GV, ObjCInterfaceDecl *Decl);
-
/// EmitGlobalVariable - Emit global variable's debug info.
void EmitGlobalVariable(const ValueDecl *VD, llvm::Constant *Init);
@@ -284,14 +293,19 @@ public:
llvm::DIType getOrCreateInterfaceType(QualType Ty,
SourceLocation Loc);
+ void completeType(const EnumDecl *ED);
void completeType(const RecordDecl *RD);
void completeRequiredType(const RecordDecl *RD);
void completeClassData(const RecordDecl *RD);
+ void completeTemplateDefinition(const ClassTemplateSpecializationDecl &SD);
+
private:
/// EmitDeclare - Emit call to llvm.dbg.declare for a variable declaration.
- void EmitDeclare(const VarDecl *decl, unsigned Tag, llvm::Value *AI,
- unsigned ArgNo, CGBuilderTy &Builder);
+ /// Tag accepts custom types DW_TAG_arg_variable and DW_TAG_auto_variable,
+ /// otherwise would be of type llvm::dwarf::Tag.
+ void EmitDeclare(const VarDecl *decl, llvm::dwarf::LLVMConstants Tag,
+ llvm::Value *AI, unsigned ArgNo, CGBuilderTy &Builder);
// EmitTypeForVarWithBlocksAttr - Build up structure info for the byref.
// See BuildByRefType.
@@ -342,9 +356,9 @@ private:
llvm::DIType CreateMemberType(llvm::DIFile Unit, QualType FType,
StringRef Name, uint64_t *Offset);
- /// \brief Retrieve the DIDescriptor, if any, for the canonical form of this
+ /// \brief Retrieve the DIScope, if any, for the canonical form of this
/// declaration.
- llvm::DIDescriptor getDeclarationOrDefinition(const Decl *D);
+ llvm::DIScope getDeclarationOrDefinition(const Decl *D);
/// getFunctionDeclaration - Return debug info descriptor to describe method
/// declaration for the given method definition.
@@ -355,6 +369,13 @@ private:
llvm::DIDerivedType
getOrCreateStaticDataMemberDeclarationOrNull(const VarDecl *D);
+ /// Return a global variable that represents one of the collection of
+ /// global variables created for an anonmyous union.
+ llvm::DIGlobalVariable
+ CollectAnonRecordDecls(const RecordDecl *RD, llvm::DIFile Unit, unsigned LineNo,
+ StringRef LinkageName, llvm::GlobalVariable *Var,
+ llvm::DIDescriptor DContext);
+
/// getFunctionName - Get function name for the given FunctionDecl. If the
/// name is constructed on demand (e.g. C++ destructor) then the name
/// is stored on the side.
@@ -394,16 +415,26 @@ private:
}
};
-/// NoLocation - An RAII object that temporarily disables debug
-/// locations. This is useful for emitting instructions that should be
-/// counted towards the function prologue.
-class NoLocation {
+/// SaveAndRestoreLocation - An RAII object saves the current location
+/// and automatically restores it to the original value.
+class SaveAndRestoreLocation {
+protected:
SourceLocation SavedLoc;
CGDebugInfo *DI;
CGBuilderTy &Builder;
public:
+ SaveAndRestoreLocation(CodeGenFunction &CGF, CGBuilderTy &B);
+ /// Autorestore everything back to normal.
+ ~SaveAndRestoreLocation();
+};
+
+/// NoLocation - An RAII object that temporarily disables debug
+/// locations. This is useful for emitting instructions that should be
+/// counted towards the function prologue.
+class NoLocation : public SaveAndRestoreLocation {
+public:
NoLocation(CodeGenFunction &CGF, CGBuilderTy &B);
- /// ~NoLocation - Autorestore everything back to normal.
+ /// Autorestore everything back to normal.
~NoLocation();
};
@@ -418,10 +449,7 @@ public:
/// This is necessary because passing an empty SourceLocation to
/// CGDebugInfo::setLocation() will result in the last valid location
/// being reused.
-class ArtificialLocation {
- SourceLocation SavedLoc;
- CGDebugInfo *DI;
- CGBuilderTy &Builder;
+class ArtificialLocation : public SaveAndRestoreLocation {
public:
ArtificialLocation(CodeGenFunction &CGF, CGBuilderTy &B);
@@ -429,7 +457,7 @@ public:
/// (= the top of the LexicalBlockStack).
void Emit();
- /// ~ArtificialLocation - Autorestore everything back to normal.
+ /// Autorestore everything back to normal.
~ArtificialLocation();
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 08:01:07 +0000