| Krzysztof Parzyszek | 046090d | 2018-03-12 14:01:28 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon < %s | FileCheck %s |
| 2 | |
| 3 | ; Do not want to see register copies in the loop. |
| 4 | ; CHECK-NOT: r{{[0-9]*}} = r{{[0-9]*}} |
| 5 | |
| 6 | target triple = "hexagon" |
| 7 | |
| 8 | ; Function Attrs: nounwind readnone |
| 9 | define i32 @f0(i32 %a0) #0 { |
| 10 | b0: |
| 11 | br label %b1 |
| 12 | |
| 13 | b1: ; preds = %b1, %b0 |
| 14 | %v0 = phi i32 [ 0, %b0 ], [ %v1, %b1 ] |
| 15 | %v1 = add nsw i32 %v0, 3 |
| 16 | %v2 = add i32 %v1, -3 |
| 17 | %v3 = icmp slt i32 %v2, %a0 |
| 18 | br i1 %v3, label %b1, label %b2 |
| 19 | |
| 20 | b2: ; preds = %b1 |
| 21 | %v4 = phi i32 [ %v1, %b1 ] |
| 22 | %v5 = icmp slt i32 %v4, 100 |
| 23 | %v6 = zext i1 %v5 to i32 |
| 24 | ret i32 %v6 |
| 25 | } |
| 26 | |
| 27 | attributes #0 = { nounwind readnone } |