[LLVMdev] Operand name missing

ankur deshwal a.s.deshwal at gmail.com
Fri Jul 1 01:15:29 PDT 2011

Thanks Eli,

It was stupid to miss that even with gdb :).

Thanks again.

On Fri, Jul 1, 2011 at 4:59 PM, Eli Friedman <eli.friedman at gmail.com> wrote:
> On Fri, Jul 1, 2011 at 12:35 AM, ankur deshwal <a.s.deshwal at gmail.com> wrote:
>> Hi,
>> I was trying to use the following code in a if condition
>> I->getOperand(0)->hasName()
>> where I is an instruction with following condition already true -
>> I->getOpcode() == Instruction::Call
>> When I compiled a C code with llvm-2.9, I see a function call with no
>> operand name (for operand 0) . This happens for a function with
>> varArgs. The interesting part is that the same C code when compiled
>> with llvm-2.6 contains the I->getOperand(0)->Name as name of the
>> function.
>> I will try to dig in to get the reason. Can some one give me pointer
>> to what can be reason for this?
> The order of the operands of a CallInst changed; try using something
> like "cast<CallInst>(I)->getCalledFunction()" instead.
> -Eli

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