case Intrinsic::powi:
if (ConstantInt *Power = dyn_cast<ConstantInt>(II->getArgOperand(1))) {
// 0 and 1 are handled in instsimplify
-
// powi(x, -1) -> 1/x
if (Power->isMinusOne())
- return BinaryOperator::CreateFDiv(ConstantFP::get(CI.getType(), 1.0),
- II->getArgOperand(0));
+ return BinaryOperator::CreateFDivFMF(ConstantFP::get(CI.getType(), 1.0),
+ II->getArgOperand(0), II);
// powi(x, 2) -> x*x
if (Power->equalsInt(2))
- return BinaryOperator::CreateFMul(II->getArgOperand(0),
- II->getArgOperand(0));
+ return BinaryOperator::CreateFMulFMF(II->getArgOperand(0),
+ II->getArgOperand(0), II);
}
break;
define void @powi(double %V, double *%P) {
; CHECK-LABEL: @powi(
-; CHECK-NEXT: [[A:%.*]] = fdiv double 1.000000e+00, [[V:%.*]]
+; CHECK-NEXT: [[A:%.*]] = fdiv fast double 1.000000e+00, [[V:%.*]]
; CHECK-NEXT: store volatile double [[A]], double* [[P:%.*]], align 8
-; CHECK-NEXT: [[D:%.*]] = fmul double [[V]], [[V]]
+; CHECK-NEXT: [[D:%.*]] = fmul nnan double [[V]], [[V]]
; CHECK-NEXT: store volatile double [[D]], double* [[P]], align 8
; CHECK-NEXT: ret void
;