| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame^] | 1 | ; RUN: opt -passes=synthetic-counts-propagation -S < %s | FileCheck %s |
| 2 | |
| 3 | ; CHECK-LABEL: define void @level1a(i32 %n) |
| 4 | ; CHECK: !prof ![[COUNT1:[0-9]+]] |
| 5 | define void @level1a(i32 %n) { |
| 6 | entry: |
| 7 | %cmp = icmp sgt i32 %n, 10 |
| 8 | br i1 %cmp, label %exit, label %loop |
| 9 | loop: |
| 10 | %i = phi i32 [%n, %entry], [%i1, %loop] |
| 11 | call void @level2a(i32 %n) |
| 12 | %i1 = sub i32 %i, 1 |
| 13 | %cmp2 = icmp eq i32 %i1, 0 |
| 14 | br i1 %cmp2, label %exit, label %loop, !prof !1 |
| 15 | exit: |
| 16 | ret void |
| 17 | } |
| 18 | |
| 19 | ; CHECK-LABEL: define void @level2a(i32 %n) |
| 20 | ; CHECK: !prof ![[COUNT2:[0-9]+]] |
| 21 | define void @level2a(i32 %n) { |
| 22 | call void @level2b(i32 %n) |
| 23 | ret void |
| 24 | } |
| 25 | |
| 26 | ; CHECK-LABEL: define void @level2b(i32 %n) |
| 27 | ; CHECK: !prof ![[COUNT2]] |
| 28 | define void @level2b(i32 %n) { |
| 29 | entry: |
| 30 | call void @level2a(i32 %n) |
| 31 | %cmp = icmp eq i32 %n, 0 |
| 32 | br i1 %cmp, label %then, label %else, !prof !2 |
| 33 | then: |
| 34 | call void @level3a(i32 %n) |
| 35 | br label %else |
| 36 | else: |
| 37 | ret void |
| 38 | } |
| 39 | |
| 40 | ; CHECK-LABEL: define internal void @level3a(i32 %n) |
| 41 | ; CHECK: !prof ![[COUNT3:[0-9]+]] |
| 42 | define internal void @level3a(i32 %n) { |
| 43 | ret void |
| 44 | } |
| 45 | |
| 46 | !1 = !{!"branch_weights", i32 1, i32 99} |
| 47 | !2 = !{!"branch_weights", i32 1, i32 1} |
| 48 | ; CHECK: ![[COUNT1]] = !{!"synthetic_function_entry_count", i64 10} |
| 49 | ; CHECK: ![[COUNT2]] = !{!"synthetic_function_entry_count", i64 520} |
| 50 | ; CHECK: ![[COUNT3]] = !{!"synthetic_function_entry_count", i64 260} |