1 ; RUN: opt < %s -passes='pseudo-probe-update' -S | FileCheck %s
9 define i32 @foo(i1 %cond, i1 %cond2) !dbg !4 !prof !10 {
10 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1)
11 br i1 %cond, label %T1, label %Merge, !prof !11
14 %v1 = call i32 @f1(), !prof !12
15 %cond3 = icmp eq i32 %v1, 412
16 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 2, i32 0, i64 -1)
17 ;; The distribution factor -9223372036854775808 stands for 53.85%, whic is from 7/6+7.
18 ; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 4, i32 0, i64 -9223372036854775808)
19 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 4, i32 0, i64 -1), !dbg !13
20 ;; Probe 7 has two copies, since they don't share the same inline context, they are not
21 ;; considered sharing samples, thus their distribution factors are not fixed up.
22 ; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID]], i64 7, i32 0, i64 -1)
23 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 7, i32 0, i64 -1), !dbg !13
24 ;; Similar to Probe 7, one copy of Probe 8 doesn't have inline context.
25 ; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID]], i64 8, i32 0, i64 -1)
26 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 8, i32 0, i64 -1), !dbg !13
27 br i1 %cond3, label %T2, label %F2, !prof !11
30 %v2 = call i32 @f2(), !prof !12
31 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 3, i32 0, i64 -1)
32 ;; The distribution factor -9223372036854775808 stands for 46.25%, which is from 6/6+7.
33 ; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID]], i64 4, i32 0, i64 -9223372036854775808)
34 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 4, i32 0, i64 8513881922462547968), !dbg !13
35 ; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID]], i64 7, i32 0, i64 -1)
36 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 7, i32 0, i64 -1), !dbg !18
37 ; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID]], i64 8, i32 0, i64 -1)
38 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 8, i32 0, i64 -1), !dbg !19
39 br i1 %cond2, label %T2, label %F2, !prof !11
41 T2: ; preds = %Merge, %T1
42 %B1 = phi i32 [ %v1, %T1 ], [ %v2, %Merge ]
43 call void @f3(), !prof !12
44 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 5, i32 0, i64 -1)
47 F2: ; preds = %Merge, %T1
48 %B2 = phi i32 [ %v1, %T1 ], [ %v2, %Merge ]
49 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 6, i32 0, i64 -1)
53 ; Function Attrs: inaccessiblememonly nounwind willreturn
54 declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0
56 attributes #0 = { inaccessiblememonly nounwind willreturn }
58 !llvm.module.flags = !{!0, !1}
59 !llvm.pseudo_probe_desc = !{!2, !3}
61 !0 = !{i32 7, !"Dwarf Version", i32 4}
62 !1 = !{i32 2, !"Debug Info Version", i32 3}
63 !2 = !{i64 6699318081062747564, i64 281479271677951, !"foo", null}
64 !3 = !{i64 6468398850841090686, i64 138828622701, !"zen", null}
65 !4 = distinct !DISubprogram(name: "foo", scope: !5, file: !5, line: 9, type: !6, scopeLine: 9, spFlags: DISPFlagDefinition, unit: !9)
66 !5 = !DIFile(filename: "test.cpp", directory: "test")
67 !6 = !DISubroutineType(types: !7)
69 !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
70 !9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !5, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
71 !10 = !{!"function_entry_count", i64 14}
72 !11 = !{!"branch_weights", i32 8, i32 7}
73 !12 = !{!"branch_weights", i32 7}
74 !13 = !DILocation(line: 39, column: 9, scope: !14, inlinedAt: !16)
75 !14 = distinct !DILexicalBlock(scope: !15, file: !5, line: 39, column: 7)
76 !15 = distinct !DISubprogram(name: "zen", scope: !5, file: !5, line: 37, type: !6, scopeLine: 38, spFlags: DISPFlagDefinition, unit: !9)
77 !16 = distinct !DILocation(line: 10, column: 11, scope: !17)
78 !17 = !DILexicalBlockFile(scope: !4, file: !5, discriminator: 186646551)
79 !18 = !DILocation(line: 53, column: 3, scope: !15, inlinedAt: !19)
80 !19 = !DILocation(line: 12, column: 3, scope: !4)