| Zarko Todorovski | 7f7dac7 | 2021-11-24 21:56:49 -0500 | [diff] [blame] | 1 | ; This is a basic correctness check for constant propagation. The add |
| 2 | ; instruction should be eliminated. |
| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 3 | |
| Bjorn Pettersson | 8ebb3ea | 2021-11-18 10:14:04 +0100 | [diff] [blame] | 4 | ; RUN: opt < %s -passes=sccp -S | not grep add |
| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 5 | |
| 6 | define i128 @test(i1 %B) { |
| 7 | br i1 %B, label %BB1, label %BB2 |
| 8 | BB1: |
| 9 | %Val = add i128 0, 1 |
| 10 | br label %BB3 |
| 11 | BB2: |
| 12 | br label %BB3 |
| 13 | BB3: |
| 14 | %Ret = phi i128 [%Val, %BB1], [2, %BB2] |
| 15 | ret i128 %Ret |
| 16 | } |
