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} 51
