Some early work for providing block layout info.

for objective-c/c++ blocks (NeXt runtime).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110213 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/CodeGen/CGObjCRuntime.h b/lib/CodeGen/CGObjCRuntime.h
index bf172f9b1e..584760f6f3 100644
--- a/lib/CodeGen/CGObjCRuntime.h
+++ b/lib/CodeGen/CGObjCRuntime.h
@@ -52,6 +52,7 @@ namespace CodeGen {
   class Selector;
   class ObjCIvarDecl;
   class ObjCStringLiteral;
+  class BlockDeclRefExpr;
 
 namespace CodeGen {
   class CodeGenModule;
@@ -218,6 +219,9 @@ public:
                                         llvm::Value *DestPtr,
                                         llvm::Value *SrcPtr,
                                         llvm::Value *Size) = 0;
+  virtual llvm::Constant *GCBlockLayout(CodeGen::CodeGenFunction &CGF,
+                  const llvm::SmallVectorImpl<const BlockDeclRefExpr *> &) = 0;
+                                        
 };
 
 /// Creates an instance of an Objective-C runtime class.