diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenTBAA.h')
-rw-r--r-- | clang/lib/CodeGen/CodeGenTBAA.h | 55 |
1 files changed, 1 insertions, 54 deletions
diff --git a/clang/lib/CodeGen/CodeGenTBAA.h b/clang/lib/CodeGen/CodeGenTBAA.h index 9ddc3aa9700..4c6e045fce2 100644 --- a/clang/lib/CodeGen/CodeGenTBAA.h +++ b/clang/lib/CodeGen/CodeGenTBAA.h @@ -35,14 +35,6 @@ namespace clang { namespace CodeGen { class CGRecordLayout; - struct TBAAPathTag { - TBAAPathTag(const Type *B, const llvm::MDNode *A, uint64_t O) - : BaseT(B), AccessN(A), Offset(O) {} - const Type *BaseT; - const llvm::MDNode *AccessN; - uint64_t Offset; - }; - /// CodeGenTBAA - This class organizes the cross-module state that is used /// while lowering AST types to LLVM types. class CodeGenTBAA { @@ -54,13 +46,8 @@ class CodeGenTBAA { // MDHelper - Helper for creating metadata. llvm::MDBuilder MDHelper; - /// MetadataCache - This maps clang::Types to scalar llvm::MDNodes describing - /// them. + /// MetadataCache - This maps clang::Types to llvm::MDNodes describing them. llvm::DenseMap<const Type *, llvm::MDNode *> MetadataCache; - /// This maps clang::Types to a struct node in the type DAG. - llvm::DenseMap<const Type *, llvm::MDNode *> StructTypeMetadataCache; - /// This maps TBAAPathTags to a tag node. - llvm::DenseMap<TBAAPathTag, llvm::MDNode *> StructTagMetadataCache; /// StructMetadataCache - This maps clang::Types to llvm::MDNodes describing /// them for struct assignments. @@ -102,49 +89,9 @@ public: /// getTBAAStructInfo - Get the TBAAStruct MDNode to be used for a memcpy of /// the given type. llvm::MDNode *getTBAAStructInfo(QualType QTy); - - /// Get the MDNode in the type DAG for given struct type QType. - llvm::MDNode *getTBAAStructTypeInfo(QualType QType); - /// Get the tag MDNode for a given base type, the actual sclar access MDNode - /// and offset into the base type. - llvm::MDNode *getTBAAStructTagInfo(QualType BaseQType, - llvm::MDNode *AccessNode, uint64_t Offset); }; } // end namespace CodeGen } // end namespace clang -namespace llvm { - -template<> struct DenseMapInfo<clang::CodeGen::TBAAPathTag> { - static clang::CodeGen::TBAAPathTag getEmptyKey() { - return clang::CodeGen::TBAAPathTag( - DenseMapInfo<const clang::Type *>::getEmptyKey(), - DenseMapInfo<const MDNode *>::getEmptyKey(), - DenseMapInfo<uint64_t>::getEmptyKey()); - } - - static clang::CodeGen::TBAAPathTag getTombstoneKey() { - return clang::CodeGen::TBAAPathTag( - DenseMapInfo<const clang::Type *>::getTombstoneKey(), - DenseMapInfo<const MDNode *>::getTombstoneKey(), - DenseMapInfo<uint64_t>::getTombstoneKey()); - } - - static unsigned getHashValue(const clang::CodeGen::TBAAPathTag &Val) { - return DenseMapInfo<const clang::Type *>::getHashValue(Val.BaseT) ^ - DenseMapInfo<const MDNode *>::getHashValue(Val.AccessN) ^ - DenseMapInfo<uint64_t>::getHashValue(Val.Offset); - } - - static bool isEqual(const clang::CodeGen::TBAAPathTag &LHS, - const clang::CodeGen::TBAAPathTag &RHS) { - return LHS.BaseT == RHS.BaseT && - LHS.AccessN == RHS.AccessN && - LHS.Offset == RHS.Offset; - } -}; - -} // end namespace llvm - #endif |