From: Fariborz Jahanian <fjahanian@apple.com>
Date: Fri, 24 Feb 2012 17:35:35 +0000 (+0000)
Subject: objc modern translator. Fixes writing of block pointer ivar access.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0d6e22a38314fd6a9bdb0d83fcc5c5215641d5e9;p=clang

objc modern translator. Fixes writing of block pointer ivar access.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151371 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Rewrite/RewriteModernObjC.cpp b/lib/Rewrite/RewriteModernObjC.cpp
index 63dfa561d3..403ccd9c12 100644
--- a/lib/Rewrite/RewriteModernObjC.cpp
+++ b/lib/Rewrite/RewriteModernObjC.cpp
@@ -6469,8 +6469,10 @@ Stmt *RewriteModernObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) {
       ParenExpr *PE = new (Context) ParenExpr(SourceLocation(),
                                               SourceLocation(),
                                               addExpr);
+      QualType IvarT = D->getType();
+      convertBlockPointerToFunctionPointer(IvarT);
+      QualType castT = Context->getPointerType(IvarT);
       
-      QualType castT = Context->getPointerType(D->getType());
       castExpr = NoTypeInfoCStyleCastExpr(Context, 
                                           castT,
                                           CK_BitCast,
diff --git a/test/Rewriter/rewrite-modern-block-ivar-call.mm b/test/Rewriter/rewrite-modern-block-ivar-call.mm
new file mode 100644
index 0000000000..0fe2d543ee
--- /dev/null
+++ b/test/Rewriter/rewrite-modern-block-ivar-call.mm
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -E %s -o %t.m
+// RUN: %clang_cc1 -fblocks -rewrite-objc -fms-extensions %t.m -o %t-rw.cpp 
+// RUN: FileCheck --input-file=%t-rw.cpp %s
+// RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+
+@interface Foo {
+    void (^_block)(void);
+}
+@end
+
+@implementation Foo
+- (void)bar {
+    _block();
+}
+@end
+
+// CHECK: ((void (*)(struct __block_impl *))((struct __block_impl *)(*(void (**)(void))((char *)self + OBJC_IVAR_$_Foo__block)))->FuncPtr)((struct __block_impl *)(*(void (**)(void))((char *)self + OBJC_IVAR_$_Foo__block)));