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1; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/fsafdo.extbinary.afdo | opt -passes='print<branch-prob>' -disable-output 2>&1 | FileCheck %s2; RUN: opt < %s -passes=sample-profile -profile-isfs -sample-profile-file=%S/Inputs/fsafdo.prof | opt -passes='print<branch-prob>' -disable-output 2>&1 | FileCheck %s3 4target triple = "x86_64-unknown-linux-gnu"5 6@sum = dso_local local_unnamed_addr global i32 0, align 47 8declare i32 @bar(i32 %i) #09declare void @work(i32 %i)10 11define dso_local void @foo() #0 !dbg !29 {12; CHECK: Printing analysis {{.*}} for function 'foo':13 14entry:15 br label %for.cond1.preheader, !dbg !3016; CHECK: edge %entry -> %for.cond1.preheader probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]17 18for.cond1.preheader:19 %j.012 = phi i32 [ 0, %entry ], [ %inc11, %if.end9.3 ]20 %mul = mul nuw nsw i32 %j.012, 4821 %call = tail call i32 @bar(i32 %mul), !dbg !3222 %0 = and i32 %call, 1, !dbg !3323 %tobool.not = icmp eq i32 %0, 0, !dbg !3324 br i1 %tobool.not, label %if.end, label %if.then, !dbg !3525; CHECK: edge %for.cond1.preheader -> %if.end probability is 0x3f6262b8 / 0x80000000 = 49.52%26; CHECK: edge %for.cond1.preheader -> %if.then probability is 0x409d9d48 / 0x80000000 = 50.48%27 28 29if.then:30 %mul4 = shl nsw i32 %call, 1, !dbg !3631 tail call void @work(i32 %mul4), !dbg !3732 br label %if.end, !dbg !3833; CHECK: edge %if.then -> %if.end probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]34 35if.end:36 %1 = and i32 %call, 3, !dbg !3937 %tobool6.not = icmp eq i32 %1, 0, !dbg !3938 br i1 %tobool6.not, label %if.end9, label %if.then7, !dbg !4039; CHECK: edge %if.end -> %if.end9 probability is 0x22c6bac3 / 0x80000000 = 27.17%40; CHECK: edge %if.end -> %if.then7 probability is 0x5d39453d / 0x80000000 = 72.83%41 42 43if.then7:44 %mul8 = mul nsw i32 %call, 3, !dbg !4145 tail call void @work(i32 %mul8), !dbg !4246 br label %if.end9, !dbg !4347; CHECK: edge %if.then7 -> %if.end9 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]48 49if.end9:50 %add.1 = or i32 %mul, 1, !dbg !4451 %call.1 = tail call i32 @bar(i32 %add.1), !dbg !3252 %2 = and i32 %call.1, 1, !dbg !3353 %tobool.not.1 = icmp eq i32 %2, 0, !dbg !3354 br i1 %tobool.not.1, label %if.end.1, label %if.then.1, !dbg !3555; CHECK: edge %if.end9 -> %if.end.1 probability is 0x3f6262b8 / 0x80000000 = 49.52%56; CHECK: edge %if.end9 -> %if.then.1 probability is 0x409d9d48 / 0x80000000 = 50.48%57 58for.end12:59 ret void, !dbg !4560 61if.then.1:62 %mul4.1 = shl nsw i32 %call.1, 1, !dbg !3663 tail call void @work(i32 %mul4.1), !dbg !3764 br label %if.end.1, !dbg !3865; CHECK: edge %if.then.1 -> %if.end.1 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]66 67if.end.1:68 %3 = and i32 %call.1, 3, !dbg !3969 %tobool6.not.1 = icmp eq i32 %3, 0, !dbg !3970 br i1 %tobool6.not.1, label %if.end9.1, label %if.then7.1, !dbg !4071; CHECK: edge %if.end.1 -> %if.end9.1 probability is 0x22c6bac3 / 0x80000000 = 27.17%72; CHECK: edge %if.end.1 -> %if.then7.1 probability is 0x5d39453d / 0x80000000 = 72.83%73 74if.then7.1:75 %mul8.1 = mul nsw i32 %call.1, 3, !dbg !4176 tail call void @work(i32 %mul8.1), !dbg !4277 br label %if.end9.1, !dbg !4378; CHECK: edge %if.then7.1 -> %if.end9.1 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]79 80if.end9.1:81 %add.2 = or i32 %mul, 2, !dbg !4482 %call.2 = tail call i32 @bar(i32 %add.2), !dbg !3283 %4 = and i32 %call.2, 1, !dbg !3384 %tobool.not.2 = icmp eq i32 %4, 0, !dbg !3385 br i1 %tobool.not.2, label %if.end.2, label %if.then.2, !dbg !3586; CHECK: edge %if.end9.1 -> %if.end.2 probability is 0x3f6262b8 / 0x80000000 = 49.52%87; CHECK: edge %if.end9.1 -> %if.then.2 probability is 0x409d9d48 / 0x80000000 = 50.48%88 89if.then.2:90 %mul4.2 = shl nsw i32 %call.2, 1, !dbg !3691 tail call void @work(i32 %mul4.2), !dbg !3792 br label %if.end.2, !dbg !3893; CHECK: edge %if.then.2 -> %if.end.2 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]94 95if.end.2:96 %5 = and i32 %call.2, 3, !dbg !3997 %tobool6.not.2 = icmp eq i32 %5, 0, !dbg !3998 br i1 %tobool6.not.2, label %if.end9.2, label %if.then7.2, !dbg !4099; CHECK: edge %if.end.2 -> %if.end9.2 probability is 0x22c6bac3 / 0x80000000 = 27.17%100; CHECK: edge %if.end.2 -> %if.then7.2 probability is 0x5d39453d / 0x80000000 = 72.83%101 102if.then7.2:103 %mul8.2 = mul nsw i32 %call.2, 3, !dbg !41104 tail call void @work(i32 %mul8.2), !dbg !42105 br label %if.end9.2, !dbg !43106; CHECK: edge %if.then7.2 -> %if.end9.2 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]107 108if.end9.2:109 %add.3 = or i32 %mul, 3, !dbg !44110 %call.3 = tail call i32 @bar(i32 %add.3), !dbg !32111 %6 = and i32 %call.3, 1, !dbg !33112 %tobool.not.3 = icmp eq i32 %6, 0, !dbg !33113 br i1 %tobool.not.3, label %if.end.3, label %if.then.3, !dbg !35114; CHECK: edge %if.end9.2 -> %if.end.3 probability is 0x3f6262b8 / 0x80000000 = 49.52%115; CHECK: edge %if.end9.2 -> %if.then.3 probability is 0x409d9d48 / 0x80000000 = 50.48%116 117if.then.3:118 %mul4.3 = shl nsw i32 %call.3, 1, !dbg !36119 tail call void @work(i32 %mul4.3), !dbg !37120 br label %if.end.3, !dbg !38121; CHECK: edge %if.then.3 -> %if.end.3 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]122 123if.end.3:124 %7 = and i32 %call.3, 3, !dbg !39125 %tobool6.not.3 = icmp eq i32 %7, 0, !dbg !39126 br i1 %tobool6.not.3, label %if.end9.3, label %if.then7.3, !dbg !40127; CHECK: edge %if.end.3 -> %if.end9.3 probability is 0x22c6bac3 / 0x80000000 = 27.17%128; CHECK: edge %if.end.3 -> %if.then7.3 probability is 0x5d39453d / 0x80000000 = 72.83%129 130if.then7.3:131 %mul8.3 = mul nsw i32 %call.3, 3, !dbg !41132 tail call void @work(i32 %mul8.3), !dbg !42133 br label %if.end9.3, !dbg !43134; CHECK: edge %if.then7.3 -> %if.end9.3 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]135 136if.end9.3:137 %inc11 = add nuw nsw i32 %j.012, 1, !dbg !46138 %exitcond.not = icmp eq i32 %inc11, 48, !dbg !48139 br i1 %exitcond.not, label %for.end12, label %for.cond1.preheader, !dbg !30, !llvm.loop !49140; CHECK: edge %if.end9.3 -> %for.end12 probability is 0x00834dd9 / 0x80000000 = 0.40%141; CHECK: edge %if.end9.3 -> %for.cond1.preheader probability is 0x7f7cb227 / 0x80000000 = 99.60% [HOT edge]142}143 144define dso_local i32 @main() !dbg !52 {145entry:146 br label %for.body, !dbg !53147 148for.body:149 %i.03 = phi i32 [ 0, %entry ], [ %inc, %for.body ]150 tail call void @foo(), !dbg !55151 %inc = add nuw nsw i32 %i.03, 1, !dbg !56152 %exitcond.not = icmp eq i32 %inc, 10000000, !dbg !58153 br i1 %exitcond.not, label %for.end, label %for.body, !dbg !53, !llvm.loop !60154 155for.end:156 ret i32 0, !dbg !63157}158 159 160attributes #0 = { noinline nounwind uwtable "use-sample-profile"}161attributes #1 = { argmemonly nounwind willreturn }162 163!llvm.dbg.cu = !{!0}164!llvm.module.flags = !{!3, !4, !5}165 166!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)167!1 = !DIFile(filename: "unroll.c", directory: "a/")168!2 = !{}169!3 = !{i32 7, !"Dwarf Version", i32 4}170!4 = !{i32 2, !"Debug Info Version", i32 3}171!5 = !{i32 1, !"wchar_size", i32 4}172!7 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)173!8 = !DISubroutineType(types: !2)174!9 = !DILocation(line: 4, column: 3, scope: !7)175!10 = !DILocation(line: 5, column: 5, scope: !7)176!11 = !{!12, !12, i64 0}177!12 = !{!"int", !13, i64 0}178!13 = !{!"omnipotent char", !14, i64 0}179!14 = !{!"Simple C/C++ TBAA"}180!15 = !DILocation(line: 6, column: 10, scope: !7)181!16 = !DILocation(line: 7, column: 1, scope: !7)182!17 = !DILocation(line: 6, column: 3, scope: !18)183!18 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 1)184!19 = distinct !DISubprogram(name: "work", scope: !1, file: !1, line: 10, type: !8, scopeLine: 10, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)185!20 = !DILocation(line: 11, column: 7, scope: !19)186!21 = !DILocation(line: 11, column: 11, scope: !22)187!22 = !DILexicalBlockFile(scope: !19, file: !1, discriminator: 1)188!23 = !DILocation(line: 11, column: 11, scope: !24)189!24 = !DILexicalBlockFile(scope: !19, file: !1, discriminator: 2)190!25 = !DILocation(line: 11, column: 7, scope: !26)191!26 = !DILexicalBlockFile(scope: !19, file: !1, discriminator: 3)192!27 = !DILocation(line: 0, scope: !22)193!28 = !DILocation(line: 15, column: 1, scope: !19)194!29 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 17, type: !8, scopeLine: 17, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)195!30 = !DILocation(line: 19, column: 3, scope: !31)196!31 = !DILexicalBlockFile(scope: !29, file: !1, discriminator: 2)197!32 = !DILocation(line: 21, column: 16, scope: !31)198!33 = !DILocation(line: 22, column: 14, scope: !34)199!34 = !DILexicalBlockFile(scope: !29, file: !1, discriminator: 1)200!35 = !DILocation(line: 22, column: 11, scope: !31)201!36 = !DILocation(line: 23, column: 16, scope: !29)202!37 = !DILocation(line: 23, column: 9, scope: !34)203!38 = !DILocation(line: 23, column: 9, scope: !31)204!39 = !DILocation(line: 24, column: 14, scope: !34)205!40 = !DILocation(line: 24, column: 11, scope: !31)206!41 = !DILocation(line: 25, column: 16, scope: !29)207!42 = !DILocation(line: 25, column: 9, scope: !34)208!43 = !DILocation(line: 25, column: 9, scope: !31)209!44 = !DILocation(line: 21, column: 21, scope: !34)210!45 = !DILocation(line: 27, column: 1, scope: !29)211!46 = !DILocation(line: 19, column: 24, scope: !47)212!47 = !DILexicalBlockFile(scope: !29, file: !1, discriminator: 3)213!48 = !DILocation(line: 19, column: 17, scope: !34)214!49 = distinct !{!49, !50, !51}215!50 = !DILocation(line: 19, column: 3, scope: !29)216!51 = !DILocation(line: 26, column: 3, scope: !29)217!52 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 29, type: !8, scopeLine: 29, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)218!53 = !DILocation(line: 31, column: 3, scope: !54)219!54 = !DILexicalBlockFile(scope: !52, file: !1, discriminator: 2)220!55 = !DILocation(line: 32, column: 5, scope: !52)221!56 = !DILocation(line: 31, column: 30, scope: !57)222!57 = !DILexicalBlockFile(scope: !52, file: !1, discriminator: 3)223!58 = !DILocation(line: 31, column: 17, scope: !59)224!59 = !DILexicalBlockFile(scope: !52, file: !1, discriminator: 1)225!60 = distinct !{!60, !61, !62}226!61 = !DILocation(line: 31, column: 3, scope: !52)227!62 = !DILocation(line: 33, column: 3, scope: !52)228!63 = !DILocation(line: 34, column: 1, scope: !52)229