| Krzysztof Parzyszek | 66dd679 | 2016-08-19 14:29:43 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon < %s |
| 2 | ; REQUIRES: asserts |
| 3 | |
| 4 | ; Test that the HexagonExpandCondsets pass does not assert due to |
| 5 | ; attempting to shrink a live interval incorrectly. |
| 6 | |
| 7 | |
| 8 | define void @test() #0 { |
| 9 | entry: |
| 10 | br i1 undef, label %cleanup, label %if.end |
| 11 | |
| 12 | if.end: |
| 13 | %0 = load i32, i32* undef, align 4 |
| 14 | %sext = shl i32 %0, 16 |
| 15 | %conv19 = ashr exact i32 %sext, 16 |
| 16 | br i1 undef, label %cleanup, label %for.body.lr.ph |
| 17 | |
| 18 | for.body.lr.ph: |
| 19 | br label %for.body |
| 20 | |
| 21 | for.body: |
| 22 | %bestScoreL16Q4.0278 = phi i16 [ 32767, %for.body.lr.ph ], [ %.sink, %early_termination ] |
| 23 | br i1 false, label %for.body44.lr.ph, label %for.cond90.preheader |
| 24 | |
| 25 | for.body44.lr.ph: |
| 26 | %conv77 = sext i16 %bestScoreL16Q4.0278 to i32 |
| 27 | unreachable |
| 28 | |
| 29 | for.cond90.preheader: |
| 30 | br i1 undef, label %early_termination, label %for.body97 |
| 31 | |
| 32 | for.body97: |
| 33 | br i1 undef, label %for.body97, label %early_termination |
| 34 | |
| 35 | early_termination: |
| 36 | %.sink = select i1 undef, i16 undef, i16 %bestScoreL16Q4.0278 |
| 37 | %cmp27 = icmp slt i32 undef, %conv19 |
| 38 | br i1 %cmp27, label %for.body, label %for.end124 |
| 39 | |
| 40 | for.end124: |
| 41 | unreachable |
| 42 | |
| 43 | cleanup: |
| 44 | ret void |
| 45 | } |
| 46 | |
| 47 | attributes #0 = { nounwind "target-cpu"="hexagonv60" } |