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-rw-r--r--lib/CodeGen/CGDebugInfo.h69
1 files changed, 45 insertions, 24 deletions
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index 4f7b7f2a0d9c4..e632806138f06 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -19,6 +19,7 @@
#include "clang/AST/Expr.h"
#include "clang/AST/ExternalASTSource.h"
#include "clang/AST/Type.h"
+#include "clang/AST/TypeOrdering.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "llvm/ADT/DenseMap.h"
@@ -66,7 +67,7 @@ class CGDebugInfo {
llvm::DIType *ClassTy = nullptr;
llvm::DICompositeType *ObjTy = nullptr;
llvm::DIType *SelTy = nullptr;
-#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
+#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
llvm::DIType *SingletonId = nullptr;
#include "clang/Basic/OpenCLImageTypes.def"
llvm::DIType *OCLSamplerDITy = nullptr;
@@ -81,6 +82,10 @@ class CGDebugInfo {
llvm::SmallDenseMap<llvm::StringRef, llvm::StringRef> DebugPrefixMap;
+ /// Cache that maps VLA types to size expressions for that type,
+ /// represented by instantiated Metadata nodes.
+ llvm::SmallDenseMap<QualType, llvm::Metadata *> SizeExprCache;
+
struct ObjCInterfaceCacheEntry {
const ObjCInterfaceType *Type;
llvm::DIType *Decl;
@@ -93,6 +98,10 @@ class CGDebugInfo {
/// Cache of previously constructed interfaces which may change.
llvm::SmallVector<ObjCInterfaceCacheEntry, 32> ObjCInterfaceCache;
+ /// Cache of forward declarations for methods belonging to the interface.
+ llvm::DenseMap<const ObjCInterfaceDecl *, std::vector<llvm::DISubprogram *>>
+ ObjCMethodCache;
+
/// Cache of references to clang modules and precompiled headers.
llvm::DenseMap<const Module *, llvm::TrackingMDRef> ModuleCache;
@@ -223,12 +232,12 @@ class CGDebugInfo {
/// Helper function for CollectCXXBases.
/// Adds debug info entries for types in Bases that are not in SeenTypes.
- void CollectCXXBasesAux(const CXXRecordDecl *RD, llvm::DIFile *Unit,
- SmallVectorImpl<llvm::Metadata *> &EltTys,
- llvm::DIType *RecordTy,
- const CXXRecordDecl::base_class_const_range &Bases,
- llvm::DenseSet<CanonicalDeclPtr<const CXXRecordDecl>> &SeenTypes,
- llvm::DINode::DIFlags StartingFlags);
+ void CollectCXXBasesAux(
+ const CXXRecordDecl *RD, llvm::DIFile *Unit,
+ SmallVectorImpl<llvm::Metadata *> &EltTys, llvm::DIType *RecordTy,
+ const CXXRecordDecl::base_class_const_range &Bases,
+ llvm::DenseSet<CanonicalDeclPtr<const CXXRecordDecl>> &SeenTypes,
+ llvm::DINode::DIFlags StartingFlags);
/// A helper function to collect template parameters.
llvm::DINodeArray CollectTemplateParams(const TemplateParameterList *TPList,
@@ -247,8 +256,7 @@ class CGDebugInfo {
llvm::DIType *createFieldType(StringRef name, QualType type,
SourceLocation loc, AccessSpecifier AS,
- uint64_t offsetInBits,
- uint32_t AlignInBits,
+ uint64_t offsetInBits, uint32_t AlignInBits,
llvm::DIFile *tunit, llvm::DIScope *scope,
const RecordDecl *RD = nullptr);
@@ -309,6 +317,11 @@ public:
void finalize();
+ /// Register VLA size expression debug node with the qualified type.
+ void registerVLASizeExpression(QualType Ty, llvm::Metadata *SizeExpr) {
+ SizeExprCache[Ty] = SizeExpr;
+ }
+
/// Module debugging: Support for building PCMs.
/// @{
/// Set the main CU's DwoId field to \p Signature.
@@ -356,7 +369,8 @@ public:
/// \param ScopeLoc The location of the function body.
void EmitFunctionStart(GlobalDecl GD, SourceLocation Loc,
SourceLocation ScopeLoc, QualType FnType,
- llvm::Function *Fn, CGBuilderTy &Builder);
+ llvm::Function *Fn, bool CurFnIsThunk,
+ CGBuilderTy &Builder);
/// Start a new scope for an inlined function.
void EmitInlineFunctionStart(CGBuilderTy &Builder, GlobalDecl GD);
@@ -379,16 +393,17 @@ public:
/// Emit call to \c llvm.dbg.declare for an automatic variable
/// declaration.
- void EmitDeclareOfAutoVariable(const VarDecl *Decl, llvm::Value *AI,
- CGBuilderTy &Builder);
+ /// Returns a pointer to the DILocalVariable associated with the
+ /// llvm.dbg.declare, or nullptr otherwise.
+ llvm::DILocalVariable *EmitDeclareOfAutoVariable(const VarDecl *Decl,
+ llvm::Value *AI,
+ CGBuilderTy &Builder);
/// Emit call to \c llvm.dbg.declare for an imported variable
/// declaration in a block.
- void EmitDeclareOfBlockDeclRefVariable(const VarDecl *variable,
- llvm::Value *storage,
- CGBuilderTy &Builder,
- const CGBlockInfo &blockInfo,
- llvm::Instruction *InsertPoint = nullptr);
+ void EmitDeclareOfBlockDeclRefVariable(
+ const VarDecl *variable, llvm::Value *storage, CGBuilderTy &Builder,
+ const CGBlockInfo &blockInfo, llvm::Instruction *InsertPoint = nullptr);
/// Emit call to \c llvm.dbg.declare for an argument variable
/// declaration.
@@ -451,10 +466,14 @@ public:
llvm::DIMacroFile *CreateTempMacroFile(llvm::DIMacroFile *Parent,
SourceLocation LineLoc,
SourceLocation FileLoc);
+
private:
/// Emit call to llvm.dbg.declare for a variable declaration.
- void EmitDeclare(const VarDecl *decl, llvm::Value *AI,
- llvm::Optional<unsigned> ArgNo, CGBuilderTy &Builder);
+ /// Returns a pointer to the DILocalVariable associated with the
+ /// llvm.dbg.declare, or nullptr otherwise.
+ llvm::DILocalVariable *EmitDeclare(const VarDecl *decl, llvm::Value *AI,
+ llvm::Optional<unsigned> ArgNo,
+ CGBuilderTy &Builder);
/// Build up structure info for the byref. See \a BuildByRefType.
llvm::DIType *EmitTypeForVarWithBlocksAttr(const VarDecl *VD,
@@ -482,8 +501,11 @@ private:
std::string remapDIPath(StringRef) const;
/// Compute the file checksum debug info for input file ID.
- llvm::DIFile::ChecksumKind computeChecksum(FileID FID,
- SmallString<32> &Checksum) const;
+ Optional<llvm::DIFile::ChecksumKind>
+ computeChecksum(FileID FID, SmallString<32> &Checksum) const;
+
+ /// Get the source of the given file ID.
+ Optional<StringRef> getSource(const SourceManager &SM, FileID FID);
/// Get the file debug info descriptor for the input location.
llvm::DIFile *getOrCreateFile(SourceLocation Loc);
@@ -637,7 +659,7 @@ public:
~ApplyDebugLocation();
- /// \brief Apply TemporaryLocation if it is valid. Otherwise switch
+ /// Apply TemporaryLocation if it is valid. Otherwise switch
/// to an artificial debug location that has a valid scope, but no
/// line information.
///
@@ -651,7 +673,7 @@ public:
static ApplyDebugLocation CreateArtificial(CodeGenFunction &CGF) {
return ApplyDebugLocation(CGF, false, SourceLocation());
}
- /// \brief Apply TemporaryLocation if it is valid. Otherwise switch
+ /// Apply TemporaryLocation if it is valid. Otherwise switch
/// to an artificial debug location that has a valid scope, but no
/// line information.
static ApplyDebugLocation
@@ -668,7 +690,6 @@ public:
static ApplyDebugLocation CreateEmpty(CodeGenFunction &CGF) {
return ApplyDebugLocation(CGF, true, SourceLocation());
}
-
};
/// A scoped helper to set the current debug location to an inlined location.