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1; RUN: opt < %s -passes='pseudo-probe-update' -S | FileCheck %s2 3declare i32 @f1()4 5declare i32 @f2()6 7declare void @f3()8 9define 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 !1112 13T1: ; preds = %014 %v1 = call i32 @f1(), !prof !1215 %cond3 = icmp eq i32 %v1, 41216 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 !1320;; Probe 7 has two copies, since they don't share the same inline context, they are not21;; 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 !1324;; 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 !1327 br i1 %cond3, label %T2, label %F2, !prof !1128 29Merge: ; preds = %030 %v2 = call i32 @f2(), !prof !1231 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 !1335; 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 !1837; 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 !1140 41T2: ; preds = %Merge, %T142 %B1 = phi i32 [ %v1, %T1 ], [ %v2, %Merge ]43 call void @f3(), !prof !1244 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 5, i32 0, i64 -1)45 ret i32 %B146 47F2: ; preds = %Merge, %T148 %B2 = phi i32 [ %v1, %T1 ], [ %v2, %Merge ]49 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 6, i32 0, i64 -1)50 ret i32 %B251}52 53; Function Attrs: inaccessiblememonly nounwind willreturn54declare void @llvm.pseudoprobe(i64, i64, i32, i64) #055 56attributes #0 = { inaccessiblememonly nounwind willreturn }57 58!llvm.module.flags = !{!0, !1}59!llvm.pseudo_probe_desc = !{!2, !3}60 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)68!7 = !{!8, !8}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)81