| Alexandre Isoard | 405728f | 2017-09-01 14:59:59 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -scalar-evolution -analyze | FileCheck %s |
| 2 | |
| 3 | define i8 @foo(i8 %a) { |
| 4 | ; CHECK-LABEL: @foo |
| 5 | %t0 = urem i8 %a, 27 |
| 6 | ; CHECK: %t0 = urem i8 %a, 27 |
| 7 | ; CHECK-NEXT: --> ((-27 * (%a /u 27)) + %a) |
| 8 | ret i8 %t0 |
| 9 | } |
| 10 | |
| 11 | define i8 @bar(i8 %a) { |
| 12 | ; CHECK-LABEL: @bar |
| 13 | %t1 = urem i8 %a, 1 |
| 14 | ; CHECK: %t1 = urem i8 %a, 1 |
| 15 | ; CHECK-NEXT: --> 0 |
| 16 | ret i8 %t1 |
| 17 | } |
| 18 | |
| 19 | define i8 @baz(i8 %a) { |
| 20 | ; CHECK-LABEL: @baz |
| 21 | %t2 = urem i8 %a, 32 |
| 22 | ; CHECK: %t2 = urem i8 %a, 32 |
| 23 | ; CHECK-NEXT: --> (zext i5 (trunc i8 %a to i5) to i8) |
| 24 | ret i8 %t2 |
| 25 | } |
| 26 | |
| 27 | define i8 @qux(i8 %a) { |
| 28 | ; CHECK-LABEL: @qux |
| 29 | %t3 = urem i8 %a, 2 |
| 30 | ; CHECK: %t3 = urem i8 %a, 2 |
| 31 | ; CHECK-NEXT: --> (zext i1 (trunc i8 %a to i1) to i8) |
| 32 | ret i8 %t3 |
| 33 | } |