For __block variables, cache the LLVM types as well as which LLVM field where the variable is stored.
llvm-svn: 81599
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 5886035..a81f67b 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -292,6 +292,16 @@
/// we know how many temporaries were created by a certain expression.
llvm::SmallVector<size_t, 4> ConditionalTempDestructionStack;
+
+ /// ByrefValueInfoMap - For each __block variable, contains a pair of the LLVM
+ /// type as well as the field number that contains the actual data.
+ llvm::DenseMap<const ValueDecl *, std::pair<const llvm::Type *,
+ unsigned> > ByRefValueInfo;
+
+ /// getByrefValueFieldNumber - Given a declaration, returns the LLVM field
+ /// number that holds the value.
+ unsigned getByRefValueLLVMField(const ValueDecl *VD) const;
+
public:
CodeGenFunction(CodeGenModule &cgm);