| ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/pseudo-probe-icp-factor.prof -S -sample-profile-prioritized-inline=1 2>&1 | FileCheck %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local i32 @bar(i32 %arg) #0 !dbg !13 { |
| bb: |
| %i = alloca i32, align 4 |
| store i32 %arg, ptr %i, align 4, !tbaa !19 |
| call void @llvm.dbg.declare(metadata ptr %i, metadata !18, metadata !DIExpression()), !dbg !23 |
| call void @llvm.pseudoprobe(i64 -2012135647395072713, i64 1, i32 0, i64 -1), !dbg !24 |
| %i1 = load i32, ptr %i, align 4, !dbg !24, !tbaa !19 |
| %i2 = add nsw i32 %i1, 1, !dbg !24 |
| store i32 %i2, ptr %i, align 4, !dbg !24, !tbaa !19 |
| %i3 = load i32, ptr %i, align 4, !dbg !25, !tbaa !19 |
| %i4 = add nsw i32 %i3, 1, !dbg !26 |
| ret i32 %i4, !dbg !27 |
| } |
| |
| ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local i32 @baz(i32 %arg) #0 !dbg !28 { |
| bb: |
| %i = alloca i32, align 4 |
| store i32 %arg, ptr %i, align 4, !tbaa !19 |
| call void @llvm.dbg.declare(metadata ptr %i, metadata !30, metadata !DIExpression()), !dbg !31 |
| call void @llvm.pseudoprobe(i64 7546896869197086323, i64 1, i32 0, i64 -1), !dbg !32 |
| %i1 = load i32, ptr %i, align 4, !dbg !32, !tbaa !19 |
| %i2 = add nsw i32 %i1, 10, !dbg !33 |
| ret i32 %i2, !dbg !34 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local i32 @foo(i32 %arg, ptr %arg1) #0 !dbg !35 { |
| bb: |
| %i = alloca i32, align 4 |
| %i2 = alloca ptr, align 8 |
| store i32 %arg, ptr %i, align 4, !tbaa !19 |
| call void @llvm.dbg.declare(metadata ptr %i, metadata !42, metadata !DIExpression()), !dbg !44 |
| store ptr %arg1, ptr %i2, align 8, !tbaa !45 |
| call void @llvm.dbg.declare(metadata ptr %i2, metadata !43, metadata !DIExpression()), !dbg !47 |
| call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1), !dbg !48 |
| %i3 = load ptr, ptr %i2, align 8, !dbg !48, !tbaa !45 |
| %i4 = load i32, ptr %i, align 4, !dbg !49, !tbaa !19 |
| %i6 = call i32 (i32, ...) %i3(i32 %i4), !dbg !50 |
| ret i32 %i6, !dbg !52 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local i32 @main() #0 !dbg !53 { |
| bb: |
| %i = alloca i32, align 4 |
| %i1 = alloca ptr, align 8 |
| %i2 = alloca i32, align 4 |
| %i3 = alloca i32, align 4 |
| store i32 0, ptr %i, align 4 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg !62 |
| call void @llvm.lifetime.start.p0(i64 8, ptr %i1), !dbg !62 |
| call void @llvm.dbg.declare(metadata ptr %i1, metadata !57, metadata !DIExpression()), !dbg !63 |
| call void @llvm.lifetime.start.p0(i64 4, ptr %i2), !dbg !64 |
| call void @llvm.dbg.declare(metadata ptr %i2, metadata !59, metadata !DIExpression()), !dbg !65 |
| store i32 0, ptr %i2, align 4, !dbg !65, !tbaa !19 |
| call void @llvm.lifetime.start.p0(i64 4, ptr %i3), !dbg !66 |
| call void @llvm.dbg.declare(metadata ptr %i3, metadata !60, metadata !DIExpression()), !dbg !67 |
| store i32 0, ptr %i3, align 4, !dbg !67, !tbaa !19 |
| br label %bb7, !dbg !66 |
| |
| bb7: ; preds = %bb25, %bb |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg !68 |
| %i8 = load i32, ptr %i3, align 4, !dbg !68, !tbaa !19 |
| %i9 = icmp slt i32 %i8, 1000000000, !dbg !70 |
| br i1 %i9, label %bb12, label %bb10, !dbg !71 |
| |
| bb10: ; preds = %bb7 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg !72 |
| call void @llvm.lifetime.end.p0(i64 4, ptr %i3), !dbg !72 |
| br label %bb28 |
| |
| bb12: ; preds = %bb7 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg !73 |
| %i13 = load i32, ptr %i3, align 4, !dbg !73, !tbaa !19 |
| %i14 = srem i32 %i13, 100, !dbg !76 |
| %i15 = icmp eq i32 %i14, 0, !dbg !77 |
| br i1 %i15, label %bb16, label %bb17, !dbg !78 |
| |
| bb16: ; preds = %bb12 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 5, i32 0, i64 -1), !dbg !79 |
| store ptr @bar, ptr %i1, align 8, !dbg !79, !tbaa !45 |
| br label %bb18, !dbg !80 |
| |
| bb17: ; preds = %bb12 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 6, i32 0, i64 -1), !dbg !81 |
| store ptr @baz, ptr %i1, align 8, !dbg !81, !tbaa !45 |
| br label %bb18 |
| |
| bb18: ; preds = %bb17, %bb16 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 7, i32 0, i64 -1), !dbg !82 |
| %i19 = load i32, ptr %i3, align 4, !dbg !82, !tbaa !19 |
| %i20 = load ptr, ptr %i1, align 8, !dbg !83, !tbaa !45 |
| %i22 = call i32 @foo(i32 %i19, ptr %i20), !dbg !84 |
| %i23 = load i32, ptr %i2, align 4, !dbg !86, !tbaa !19 |
| %i24 = add nsw i32 %i23, %i22, !dbg !86 |
| store i32 %i24, ptr %i2, align 4, !dbg !86, !tbaa !19 |
| br label %bb25, !dbg !87 |
| |
| bb25: ; preds = %bb18 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 8, i32 0, i64 -1), !dbg !88 |
| %i26 = load i32, ptr %i3, align 4, !dbg !88, !tbaa !19 |
| %i27 = add nsw i32 %i26, 1, !dbg !88 |
| store i32 %i27, ptr %i3, align 4, !dbg !88, !tbaa !19 |
| br label %bb7, !dbg !72, !llvm.loop !89 |
| |
| bb28: ; preds = %bb10 |
| call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 9, i32 0, i64 -1), !dbg !92 |
| %i29 = load i32, ptr %i2, align 4, !dbg !92, !tbaa !19 |
| %i30 = call i32 (ptr, ...) @printf(ptr @.str, i32 %i29), !dbg !93 |
| call void @llvm.lifetime.end.p0(i64 4, ptr %i2), !dbg !95 |
| call void @llvm.lifetime.end.p0(i64 8, ptr %i1), !dbg !95 |
| ret i32 0, !dbg !96 |
| } |
| |
| ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) |
| declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2 |
| |
| ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) |
| declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2 |
| |
| declare dso_local i32 @printf(ptr, ...) |
| |
| ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) |
| declare void @llvm.pseudoprobe(i64, i64, i32, i64) #3 |
| |
| attributes #0 = { nounwind uwtable "disable-tail-calls"="true" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "unsafe-fp-math"="false" "use-sample-profile" "use-soft-float"="false" } |
| attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } |
| attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) } |
| attributes #3 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !6, !7} |
| !llvm.ident = !{!8} |
| !llvm.pseudo_probe_desc = !{!9, !10, !11, !12} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 13.0.06)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "test.c", directory: "") |
| !2 = !{} |
| !3 = !{i32 7, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{i32 1, !"ThinLTO", i32 0} |
| !7 = !{i32 1, !"EnableSplitLTOUnit", i32 1} |
| !8 = !{!"clang version 13.0.0 "} |
| !9 = !{i64 -2012135647395072713, i64 4294967295, !"bar", null} |
| !10 = !{i64 7546896869197086323, i64 4294967295, !"baz", null} |
| !11 = !{i64 6699318081062747564, i64 281479271677951, !"foo", null} |
| !12 = !{i64 -2624081020897602054, i64 563125815542069, !"main", null} |
| !13 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 2, type: !14, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17) |
| !14 = !DISubroutineType(types: !15) |
| !15 = !{!16, !16} |
| !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !17 = !{!18} |
| !18 = !DILocalVariable(name: "x", arg: 1, scope: !13, file: !1, line: 2, type: !16) |
| !19 = !{!20, !20, i64 0} |
| !20 = !{!"int", !21, i64 0} |
| !21 = !{!"omnipotent char", !22, i64 0} |
| !22 = !{!"Simple C/C++ TBAA"} |
| !23 = !DILocation(line: 2, column: 13, scope: !13) |
| !24 = !DILocation(line: 4, column: 7, scope: !13) |
| !25 = !DILocation(line: 5, column: 12, scope: !13) |
| !26 = !DILocation(line: 5, column: 14, scope: !13) |
| !27 = !DILocation(line: 5, column: 5, scope: !13) |
| !28 = distinct !DISubprogram(name: "baz", scope: !1, file: !1, line: 9, type: !14, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !29) |
| !29 = !{!30} |
| !30 = !DILocalVariable(name: "x", arg: 1, scope: !28, file: !1, line: 9, type: !16) |
| !31 = !DILocation(line: 9, column: 13, scope: !28) |
| !32 = !DILocation(line: 10, column: 10, scope: !28) |
| !33 = !DILocation(line: 10, column: 12, scope: !28) |
| !34 = !DILocation(line: 10, column: 3, scope: !28) |
| !35 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 13, type: !36, scopeLine: 13, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !41) |
| !36 = !DISubroutineType(types: !37) |
| !37 = !{!16, !16, !38} |
| !38 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !39, size: 64) |
| !39 = !DISubroutineType(types: !40) |
| !40 = !{!16, null} |
| !41 = !{!42, !43} |
| !42 = !DILocalVariable(name: "x", arg: 1, scope: !35, file: !1, line: 13, type: !16) |
| !43 = !DILocalVariable(name: "f", arg: 2, scope: !35, file: !1, line: 13, type: !38) |
| !44 = !DILocation(line: 13, column: 13, scope: !35) |
| !45 = !{!46, !46, i64 0} |
| !46 = !{!"any pointer", !21, i64 0} |
| !47 = !DILocation(line: 13, column: 22, scope: !35) |
| !48 = !DILocation(line: 14, column: 10, scope: !35) |
| !49 = !DILocation(line: 14, column: 12, scope: !35) |
| !50 = !DILocation(line: 14, column: 10, scope: !51) |
| ;; A discriminator of 108527639 which is 0x6780017 in hexdecimal, stands for an indirect call probe |
| ;; with an index of 2 and probe factor of 0.79. |
| !51 = !DILexicalBlockFile(scope: !35, file: !1, discriminator: 108527639) |
| !52 = !DILocation(line: 14, column: 3, scope: !35) |
| !53 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 17, type: !54, scopeLine: 18, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !56) |
| !54 = !DISubroutineType(types: !55) |
| !55 = !{!16} |
| !56 = !{!57, !59, !60} |
| !57 = !DILocalVariable(name: "x", scope: !53, file: !1, line: 19, type: !58) |
| !58 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64) |
| !59 = !DILocalVariable(name: "sum", scope: !53, file: !1, line: 25, type: !16) |
| !60 = !DILocalVariable(name: "i", scope: !61, file: !1, line: 26, type: !16) |
| !61 = distinct !DILexicalBlock(scope: !53, file: !1, line: 26, column: 5) |
| !62 = !DILocation(line: 19, column: 3, scope: !53) |
| !63 = !DILocation(line: 19, column: 9, scope: !53) |
| !64 = !DILocation(line: 25, column: 5, scope: !53) |
| !65 = !DILocation(line: 25, column: 9, scope: !53) |
| !66 = !DILocation(line: 26, column: 10, scope: !61) |
| !67 = !DILocation(line: 26, column: 14, scope: !61) |
| !68 = !DILocation(line: 26, column: 21, scope: !69) |
| !69 = distinct !DILexicalBlock(scope: !61, file: !1, line: 26, column: 5) |
| !70 = !DILocation(line: 26, column: 23, scope: !69) |
| !71 = !DILocation(line: 26, column: 5, scope: !61) |
| !72 = !DILocation(line: 26, column: 5, scope: !69) |
| !73 = !DILocation(line: 27, column: 10, scope: !74) |
| !74 = distinct !DILexicalBlock(scope: !75, file: !1, line: 27, column: 10) |
| !75 = distinct !DILexicalBlock(scope: !69, file: !1, line: 26, column: 45) |
| !76 = !DILocation(line: 27, column: 12, scope: !74) |
| !77 = !DILocation(line: 27, column: 19, scope: !74) |
| !78 = !DILocation(line: 27, column: 10, scope: !75) |
| !79 = !DILocation(line: 28, column: 11, scope: !74) |
| !80 = !DILocation(line: 28, column: 9, scope: !74) |
| !81 = !DILocation(line: 30, column: 11, scope: !74) |
| !82 = !DILocation(line: 32, column: 17, scope: !75) |
| !83 = !DILocation(line: 32, column: 20, scope: !75) |
| !84 = !DILocation(line: 32, column: 13, scope: !85) |
| ;; A discriminator of 116916311 which is 0x6f80057 in hexdecimal, stands for an indirect call probe |
| ;; with an index of 10 and probe factor of 0.95. |
| !85 = !DILexicalBlockFile(scope: !75, file: !1, discriminator: 116916311) |
| !86 = !DILocation(line: 32, column: 11, scope: !75) |
| !87 = !DILocation(line: 33, column: 5, scope: !75) |
| !88 = !DILocation(line: 26, column: 41, scope: !69) |
| !89 = distinct !{!89, !71, !90, !91} |
| !90 = !DILocation(line: 33, column: 5, scope: !61) |
| !91 = !{!"llvm.loop.mustprogress"} |
| !92 = !DILocation(line: 34, column: 21, scope: !53) |
| !93 = !DILocation(line: 34, column: 5, scope: !94) |
| !94 = !DILexicalBlockFile(scope: !53, file: !1, discriminator: 104333335) |
| !95 = !DILocation(line: 36, column: 1, scope: !53) |
| !96 = !DILocation(line: 35, column: 5, scope: !53) |
| |
| ; CHECK: define dso_local i32 @main |
| ; CHECK: %{{.+}} = call i32 (i32, ...) %{{.+}}(i32 %{{.+}}) #[[#]], !dbg ![[#DBGID:]], !prof ![[#PROF:]] |
| |
| ;; A discriminator of 106430487 which is 0x6580017 in hexdecimal, stands for an indirect call probe |
| ;; with an index of 2 and probe factor of 0.75, which is from 0.95 * 0.79. |
| ; CHECK: ![[#DBGID]] = !DILocation(line: [[#]], column: [[#]], scope: ![[#SCOPE:]], inlinedAt: ![[#]]) |
| ; CHECK: ![[#SCOPE]] = !DILexicalBlockFile(scope: ![[#]], file: ![[#]], discriminator: 106430487) |
| |
| ;; The remaining count of the second target (bar) should be from the original count multiplied by two callsite |
| ;; factors, i.e, roughly 11259 * 0.95 * 0.79 = 8444. |
| ; CHECK: ![[#PROF]] = !{!"VP", i32 0, i64 8444, i64 7546896869197086323, i64 -1, i64 -2012135647395072713, i64 8444} |
