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

[Stuart Hastings]

On Mar 17, 2010, at 9:37 AM, Chris Lattner wrote:

> testcase?

Working on it.

stuart

> 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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>