if (IsAShr && (!Shr->isExact() || ShAmtVal == TypeBits - 1))
return nullptr;
- // FIXME: This check restricts this fold to scalar types.
- ConstantInt *ShAmt = dyn_cast<ConstantInt>(Shr->getOperand(1));
- if (!ShAmt)
- return nullptr;
-
// Revisit the shift (to delete it).
Worklist.Add(Shr);
ret i1 %Z
}
-; FIXME: Vectors should fold the same way.
define <2 x i1> @ashr_icmp2_vec(<2 x i64> %X) {
; CHECK-LABEL: @ashr_icmp2_vec(
-; CHECK-NEXT: [[Y:%.*]] = ashr exact <2 x i64> %X, <i64 2, i64 2>
-; CHECK-NEXT: [[Z:%.*]] = icmp slt <2 x i64> [[Y]], <i64 4, i64 4>
+; CHECK-NEXT: [[Z:%.*]] = icmp slt <2 x i64> %X, <i64 16, i64 16>
; CHECK-NEXT: ret <2 x i1> [[Z]]
;
%Y = ashr exact <2 x i64> %X, <i64 2, i64 2>