| Krzysztof Parzyszek | 046090d | 2018-03-12 14:01:28 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon -O2 < %s | FileCheck %s |
| 2 | ; Make sure no mux with 0 is generated. |
| 3 | ; CHECK-NOT: mux{{.*}}#0 |
| 4 | ; CHECK: endloop |
| 5 | |
| 6 | target triple = "hexagon" |
| 7 | |
| 8 | ; Function Attrs: nounwind readnone |
| 9 | define i32 @f0(i32 %a0, i32 %a1) #0 { |
| 10 | b0: |
| 11 | %v0 = icmp ugt i32 %a0, %a1 |
| 12 | br label %b1 |
| 13 | |
| 14 | b1: ; preds = %b1, %b0 |
| 15 | %v1 = phi i32 [ 0, %b0 ], [ %v5, %b1 ] |
| 16 | %v2 = phi i32 [ 0, %b0 ], [ %v7, %b1 ] |
| 17 | %v3 = phi i32 [ 1, %b0 ], [ %v6, %b1 ] |
| 18 | %v4 = select i1 %v0, i32 %v3, i32 0 |
| 19 | %v5 = or i32 %v1, %v4 |
| 20 | %v6 = shl i32 %v3, 1 |
| 21 | %v7 = add i32 %v2, 1 |
| 22 | %v8 = icmp eq i32 %v7, 32 |
| 23 | br i1 %v8, label %b2, label %b1 |
| 24 | |
| 25 | b2: ; preds = %b1 |
| 26 | ret i32 %v5 |
| 27 | } |
| 28 | |
| 29 | attributes #0 = { nounwind readnone } |