1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -instcombine -o - -S %s | FileCheck %s
3
4; The constant at %v35 should be shrunk, but this must lead to the nsw flag of
5; %v43 getting removed.
6
7define i32 @foo(i32 %arg) {
8; CHECK-LABEL: @foo(
9; CHECK-NEXT:    [[V33:%.*]] = and i32 [[ARG:%.*]], 223
10; CHECK-NEXT:    [[V34:%.*]] = xor i32 [[V33]], 29
11; CHECK-NEXT:    [[V35:%.*]] = add nuw nsw i32 [[V34]], 1362915575
12; CHECK-NEXT:    [[V40:%.*]] = shl nuw nsw i32 [[V34]], 1
13; CHECK-NEXT:    [[V41:%.*]] = and i32 [[V40]], 290
14; CHECK-NEXT:    [[V42:%.*]] = sub nuw nsw i32 [[V35]], [[V41]]
15; CHECK-NEXT:    [[V43:%.*]] = add nuw i32 [[V42]], 1533579450
16; CHECK-NEXT:    [[V45:%.*]] = xor i32 [[V43]], 749011377
17; CHECK-NEXT:    ret i32 [[V45]]
18;
19  %v33 = and i32 %arg, 223
20  %v34 = xor i32 %v33, 29
21  %v35 = add nuw i32 %v34, 3510399223
22  %v37 = or i32 %v34, 1874836915
23  %v38 = and i32 %v34, 221
24  %v39 = xor i32 %v38, 1874836915
25  %v40 = xor i32 %v37, %v39
26  %v41 = shl nsw nuw i32 %v40, 1
27  %v42 = sub i32 %v35, %v41
28  %v43 = add nsw i32 %v42, 1533579450
29  %v44 = or i32 %v43, -2147483648
30  %v45 = xor i32 %v44, 749011377
31  ret i32 %v45
32}
33
34