[llvm-commits] [llvm-gcc-4.2] r98728 - /llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp

[Stuart Hastings]

Author: stuart
Date: Wed Mar 17 10:59:14 2010
New Revision: 98728

URL: http://llvm.org/viewvc/llvm-project?rev=98728&view=rev
Log:
Use GCC-specd type when referencing ObjC2 bitfields.  Radar 7639995.

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp?rev=98728&r1=98727&r2=98728&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp Wed Mar 17 10:59:14 2010
@@ -7021,6 +7021,11 @@
       LVAlign = MinAlign(LVAlign, ByteOffset);
     }
 
+    // Since we're using GCC's offset, we're obliged to use GCC's
+    // "shrink-wrapped" type for the reference, lest we reference
+    // memory outside of this struct.
+    FieldTy = ConvertType(TREE_TYPE(FieldDecl));
+
     Value *Ptr = CastToType(Instruction::PtrToInt, StructAddrLV.Ptr,
                             Offset->getType());
     Ptr = Builder.CreateAdd(Ptr, Offset);