[LLVMdev] Valgrind Help Needed

[Devang Patel]

On Sep 20, 2007, at 2:22 AM, Bill Wendling wrote:

> Adding "--enable-assertions" to the llvm-gcc configure line causes  
> the build to fail. Having just LLVM configured with --enable- 
> assertions doesn't reproduce the error.

This is all expected behavior. Right ?

> An assertion build (the Apple way) doesn't assert.

Does it enable assertions in llvm-gcc at configure time ?
Note, this assertion failure is in llvm-gcc and not in llvm.
-
Devang

>
> -bw
>
> On Sep 19, 2007, at 5:48 PM, Dale Johannesen wrote:
>
>> This should have gotten an assertion failure in a compiler built  
>> with assertions, surely...
>>
>> On Sep 19, 2007, at 5:41 PM, Devang Patel wrote:
>>>> $ llvm-gcc -x objective-c -arch ppc64 -std=c99 -c testcase.mi
>>>> testcase.mi:12: internal compiler error: Bus error
>>>> Please submit a full bug report,
>>>> with preprocessed source if appropriate.
>>>> See <URL:http://llvm.org/bugs> for instructions.
>>>
>>> In llvm-backend.cpp  :
>>>
>>> 1086	        if (GV->getName() != Name) {
>>> 1087	          Function *F = TheModule->getFunction(Name);
>>> 1088	          assert(F && F->isDeclaration() && "A function  
>>> turned into a global?");
>>> 1089	
>>> 1090	          // Replace any uses of "F" with uses of GV.
>>> 1091	          Value *FInNewType = ConstantExpr::getBitCast(GV, F- 
>>> >getType());
>>>
>>>
>>> (gdb) p Name
>>> $3 = 0x41819430 "\001L_OBJC_PROTOCOL_$_CPTransferThreadObserving"
>>>
>>> However  TheModule->getFunction(Name) returns NULL and you get ICE  
>>> at F->getType() #1091. I'll let you investigate this  
>>> further ...   :)
>>>
>>>
>>> -
>>> Devang
>>>
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