+
+ IntrinsicInst *II = dyn_cast<IntrinsicInst>(CI.getOperand(0));
+ if (II) {
+ switch (II->getIntrinsicID()) {
+ default: break;
+ case Intrinsic::fabs: {
+ // (fptrunc (fabs x)) -> (fabs (fptrunc x))
+ Value *InnerTrunc = Builder->CreateFPTrunc(II->getArgOperand(0),
+ CI.getType());
+ Type *IntrinsicType[] = { CI.getType() };
+ Function *Overload =
+ Intrinsic::getDeclaration(CI.getParent()->getParent()->getParent(),
+ II->getIntrinsicID(), IntrinsicType);
+
+ Value *Args[] = { InnerTrunc };
+ return CallInst::Create(Overload, Args, II->getName());
+ }
+ }
+ }
+