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

[Chris Lattner]

testcase?

On Mar 17, 2010, at 8:59 AM, Stuart Hastings wrote:

> 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);
> 
> 
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