[llvm-commits] [llvm] r92412 - in /llvm/trunk: lib/Transforms/Scalar/InstructionCombining.cpp test/Transforms/InstCombine/load-cmp.ll

[Chris Lattner]

On Jan 2, 2010, at 12:36 AM, Eli Friedman wrote:

>> +    case Instruction::Load:
>> +      if (GetElementPtrInst *GEP =
>> +          dyn_cast<GetElementPtrInst>(LHSI->getOperand(0))) {
>> +        if (GlobalVariable *GV = dyn_cast<GlobalVariable>(GEP->getOperand(0)))
>> +          if (GV->isConstant() && GV->hasDefinitiveInitializer() &&
>> +              !cast<LoadInst>(LHSI)->isVolatile())
>> +            if (Instruction *Res = FoldCmpLoadFromIndexedGlobal(GEP, GV, I))
>> +              return Res;
>> +            //errs() << "NOT HANDLED: " << *GV << "\n";
>> +            //errs() << "\t" << *GEP << "\n";
>> +            //errs() << "\t " << I << "\n\n\n";
> 
> I assume you didn't mean to add the debugging output?

I actually did, I'll remove it when I'm done generalizing the xform.

-Chris