diff options
Diffstat (limited to 'lib/CodeGen/CodeGenFunction.h')
| -rw-r--r-- | lib/CodeGen/CodeGenFunction.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h index bf9c4e5ba5..f2b7ed4795 100644 --- a/lib/CodeGen/CodeGenFunction.h +++ b/lib/CodeGen/CodeGenFunction.h @@ -264,6 +264,30 @@ public: // Block Bits //===--------------------------------------------------------------------===// + enum { + BLOCK_FIELD_IS_OBJECT = 3, /* id, NSObject, __attribute__((NSObject)), + block, ... */ + BLOCK_FIELD_IS_BLOCK = 7, /* a block variable */ + BLOCK_FIELD_IS_BYREF = 8, /* the on stack structure holding the __block + variable */ + BLOCK_FIELD_IS_WEAK = 16, /* declared __weak, only used in byref copy + helpers */ + BLOCK_BYREF_CALLER = 128 /* called from __block (byref) copy/dispose + support routines */ + }; + + enum { + BLOCK_NEEDS_FREE = (1 << 24), + BLOCK_HAS_COPY_DISPOSE = (1 << 25), + BLOCK_HAS_CXX_OBJ = (1 << 26), + BLOCK_IS_GC = (1 << 27), + BLOCK_IS_GLOBAL = (1 << 28), + BLOCK_HAS_DESCRIPTOR = (1 << 29) + }; + + llvm::Value *BuildCopyHelper(int flag); + llvm::Value *BuildDestroyHelper(int flag); + llvm::Value *BuildBlockLiteralTmp(const BlockExpr *); llvm::Constant *BuildDescriptorBlockDecl(uint64_t Size); @@ -319,6 +343,15 @@ public: llvm::Value *GetAddrOfBlockDecl(const BlockDeclRefExpr *E); + const llvm::Type *BuildByRefType(QualType Ty, uint64_t Align); + bool BlockRequiresCopying(QualType Ty) { + if (Ty->isBlockPointerType()) + return true; + if (getContext().isObjCNSObjectType(Ty)) + return true; + return false; + } + void GenerateCode(const FunctionDecl *FD, llvm::Function *Fn); void StartFunction(const Decl *D, QualType RetTy, |