| Krzysztof Parzyszek | 046090d | 2018-03-12 14:01:28 +0000 | [diff] [blame^] | 1 | ; RUN: llc -march=hexagon < %s |
| 2 | ; REQUIRES: asserts |
| 3 | |
| 4 | ; Check that the verifier doesn't fail due to incorrect |
| 5 | ; ordering of registers caused by PHI elimination. |
| 6 | |
| 7 | ; Function Attrs: readnone |
| 8 | define i32 @f0(i32 %a0, i32 %a1, i32 %a2) #0 { |
| 9 | b0: |
| 10 | br label %b1 |
| 11 | |
| 12 | b1: ; preds = %b1, %b0 |
| 13 | %v0 = phi i32 [ %a1, %b0 ], [ %v2, %b1 ] |
| 14 | %v1 = phi i32 [ 0, %b0 ], [ %v4, %b1 ] |
| 15 | %v2 = phi i32 [ %a0, %b0 ], [ %v0, %b1 ] |
| 16 | %v3 = icmp slt i32 %v1, %a2 |
| 17 | %v4 = add nsw i32 %v1, 1 |
| 18 | br i1 %v3, label %b1, label %b2 |
| 19 | |
| 20 | b2: ; preds = %b1 |
| 21 | %v5 = add nsw i32 %v2, %v0 |
| 22 | ret i32 %v5 |
| 23 | } |
| 24 | |
| 25 | attributes #0 = { readnone } |