| George Burgess IV | 7a8dc3d | 2018-09-13 20:29:50 +0000 | [diff] [blame] | 1 | ; REQUIRES: asserts |
| 2 | ; RUN: opt -dce -S -debug-counter=dce-transform-skip=1,dce-transform-count=2 < %s | FileCheck %s |
| 3 | ;; Test that, with debug counters on, we will skip the first DCE opportunity, perform next 2, |
| 4 | ;; and ignore all the others left. |
| 5 | |
| 6 | ; CHECK-LABEL: @test |
| 7 | ; CHECK-NEXT: %add1 = add i32 1, 2 |
| 8 | ; CHECK-NEXT: %sub1 = sub i32 %add1, 1 |
| 9 | ; CHECK-NEXT: %add2 = add i32 1, 2 |
| 10 | ; CHECK-NEXT: %add3 = add i32 1, 2 |
| 11 | ; CHECK-NEXT: ret void |
| 12 | define void @test() { |
| 13 | %add1 = add i32 1, 2 |
| 14 | %sub1 = sub i32 %add1, 1 |
| 15 | %add2 = add i32 1, 2 |
| 16 | %sub2 = sub i32 %add2, 1 |
| 17 | %add3 = add i32 1, 2 |
| 18 | %sub3 = sub i32 %add3, 1 |
| 19 | ret void |
| 20 | } |