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; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
; Check that we convert
; zext((a * b)<nuw>)
; to
; (zext(a) * zext(b))<nuw>
declare i32 @get_int();
; Transform doesn't apply here, because %a lacks range metadata.
; CHECK-LABEL: @no_range
define void @no_range() {
%a = call i32 @get_int()
%b = mul i32 %a, 4
%c = zext i32 %b to i64
; CHECK: %c
; CHECK-NEXT: --> (zext i32 (4 * %a) to i64)
ret void
}
; CHECK-LABEL: @range
define void @range() {
%a = call i32 @get_int(), !range !{i32 0, i32 100}
%b = mul i32 %a, 4
%c = zext i32 %b to i64
; CHECK: %c
; CHECK-NEXT: --> (4 * (zext i32 %a to i64))<nuw><nsw>
ret void
}
; CHECK-LABEL: @no_nuw
define void @no_nuw() {
%a = call i32 @get_int(), !range !{i32 0, i32 3}
%b = mul i32 %a, -100
; CHECK: %b
; CHECK-NEXT: --> (-100 * %a)<nsw>
ret void
}
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