| Krzysztof Parzyszek | e720feb | 2017-03-02 21:49:49 +0000 | [diff] [blame^] | 1 | ; RUN: llc -march=hexagon -disable-block-placement < %s | FileCheck %s |
| 2 | |
| 3 | ; Check that the branch to the block b10 is marked as taken (i.e. ":t"). |
| 4 | ; CHECK-LABEL: foo |
| 5 | ; CHECK: if ({{.*}}) jump:t .LBB0_[[LAB:[0-9]+]] |
| 6 | ; CHECK: [[LAB]]: |
| 7 | ; CHECK: add({{.*}},#65) |
| 8 | |
| 9 | target triple = "hexagon" |
| 10 | |
| 11 | define i32 @foo(i32 %a0) local_unnamed_addr #0 { |
| 12 | b1: |
| 13 | %v2 = icmp eq i32 %a0, 0 |
| 14 | br i1 %v2, label %b3, label %b10, !prof !0 |
| 15 | |
| 16 | b3: ; preds = %b1 |
| 17 | br label %b4 |
| 18 | |
| 19 | b4: ; preds = %b4, %b3 |
| 20 | %v5 = phi i32 [ %v6, %b4 ], [ 0, %b3 ] |
| 21 | %v6 = add nuw nsw i32 %v5, 1 |
| 22 | %v7 = mul nuw nsw i32 %v5, 67 |
| 23 | %v8 = tail call i32 @bar(i32 %v7) #0 |
| 24 | %v9 = icmp eq i32 %v6, 10 |
| 25 | br i1 %v9, label %b13, label %b4 |
| 26 | |
| 27 | b10: ; preds = %b1 |
| 28 | %v11 = add nsw i32 %a0, 65 |
| 29 | %v12 = tail call i32 @bar(i32 %v11) #0 |
| 30 | br label %b14 |
| 31 | |
| 32 | b13: ; preds = %b4 |
| 33 | br label %b14 |
| 34 | |
| 35 | b14: ; preds = %b13, %b10 |
| 36 | %v15 = phi i32 [ %v12, %b10 ], [ 0, %b13 ] |
| 37 | ret i32 %v15 |
| 38 | } |
| 39 | |
| 40 | declare i32 @bar(i32) local_unnamed_addr #0 |
| 41 | |
| 42 | attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,-hvx-double,-long-calls" } |
| 43 | |
| 44 | !0 = !{!"branch_weights", i32 1, i32 2000} |