| ;; Test for memprof metadata propagation, ensuring metadata is simplified |
| ;; to function attributes appropriately after inlining profiled call chains. |
| ;; |
| ;; The following code was used to generate the following IR and its memprof |
| ;; profile: |
| ;; |
| ;; #include <stdlib.h> |
| ;; #include <string.h> |
| ;; #include <unistd.h> |
| ;; char *foo() { |
| ;; return new char[10]; |
| ;; } |
| ;; char *foo2() { |
| ;; return foo(); |
| ;; } |
| ;; int main(int argc, char **argv) { |
| ;; char *c = foo(); |
| ;; char *d = foo(); |
| ;; char *e = foo2(); |
| ;; memset(c, 0, 10); |
| ;; memset(d, 0, 10); |
| ;; memset(e, 0, 10); |
| ;; delete[] c; |
| ;; sleep(200); |
| ;; delete[] d; |
| ;; delete[] e; |
| ;; return 0; |
| ;; } |
| |
| |
| ; RUN: opt -passes=inline %s -S | FileCheck %s |
| |
| ; ModuleID = 'memprof_inline.cc' |
| source_filename = "memprof_inline.cc" |
| 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" |
| |
| ; Function Attrs: mustprogress uwtable |
| ; CHECK-LABEL: define dso_local noundef ptr @_Z3foov |
| define dso_local noundef ptr @_Z3foov() #0 !dbg !39 { |
| entry: |
| ;; We should keep the original memprof metadata intact. |
| ; CHECK: call {{.*}} @_Znam{{.*}} !memprof ![[ORIGMEMPROF:[0-9]+]] |
| %call = call noalias noundef nonnull ptr @_Znam(i64 noundef 10) #6, !dbg !42, !memprof !43, !callsite !50 |
| ; CHECK-NEXT: ret |
| ret ptr %call, !dbg !51 |
| } |
| |
| ; Function Attrs: nobuiltin allocsize(0) |
| declare noundef nonnull ptr @_Znam(i64 noundef) #1 |
| |
| ; Function Attrs: mustprogress uwtable |
| ; CHECK-LABEL: define dso_local noundef ptr @_Z4foo2v |
| define dso_local noundef ptr @_Z4foo2v() #0 !dbg !52 { |
| entry: |
| ; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD:[0-9]+]] |
| %call = call noundef ptr @_Z3foov(), !dbg !53, !callsite !54 |
| ret ptr %call, !dbg !55 |
| } |
| |
| ; Function Attrs: mustprogress norecurse uwtable |
| ; CHECK-LABEL: define dso_local noundef i32 @main |
| define dso_local noundef i32 @main(i32 noundef %argc, ptr noundef %argv) #2 !dbg !56 { |
| entry: |
| %retval = alloca i32, align 4 |
| %argc.addr = alloca i32, align 4 |
| %argv.addr = alloca ptr, align 8 |
| %c = alloca ptr, align 8 |
| %d = alloca ptr, align 8 |
| %e = alloca ptr, align 8 |
| store i32 0, ptr %retval, align 4 |
| store i32 %argc, ptr %argc.addr, align 4 |
| store ptr %argv, ptr %argv.addr, align 8 |
| ; CHECK: call {{.*}} @_Znam{{.*}} #[[NOTCOLD:[0-9]+]] |
| %call = call noundef ptr @_Z3foov(), !dbg !57, !callsite !58 |
| store ptr %call, ptr %c, align 8, !dbg !59 |
| ; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD]] |
| %call1 = call noundef ptr @_Z3foov(), !dbg !60, !callsite !61 |
| store ptr %call1, ptr %d, align 8, !dbg !62 |
| ; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD]] |
| %call2 = call noundef ptr @_Z4foo2v(), !dbg !63, !callsite !64 |
| store ptr %call2, ptr %e, align 8, !dbg !65 |
| %0 = load ptr, ptr %c, align 8, !dbg !66 |
| call void @llvm.memset.p0.i64(ptr align 1 %0, i8 0, i64 10, i1 false), !dbg !67 |
| %1 = load ptr, ptr %d, align 8, !dbg !68 |
| call void @llvm.memset.p0.i64(ptr align 1 %1, i8 0, i64 10, i1 false), !dbg !69 |
| %2 = load ptr, ptr %e, align 8, !dbg !70 |
| call void @llvm.memset.p0.i64(ptr align 1 %2, i8 0, i64 10, i1 false), !dbg !71 |
| %3 = load ptr, ptr %c, align 8, !dbg !72 |
| %isnull = icmp eq ptr %3, null, !dbg !73 |
| br i1 %isnull, label %delete.end, label %delete.notnull, !dbg !73 |
| |
| delete.notnull: ; preds = %entry |
| call void @_ZdaPv(ptr noundef %3) #7, !dbg !74 |
| br label %delete.end, !dbg !74 |
| |
| delete.end: ; preds = %delete.notnull, %entry |
| %call4 = call i32 @sleep(i32 noundef 200), !dbg !76 |
| %4 = load ptr, ptr %d, align 8, !dbg !77 |
| %isnull5 = icmp eq ptr %4, null, !dbg !78 |
| br i1 %isnull5, label %delete.end7, label %delete.notnull6, !dbg !78 |
| |
| delete.notnull6: ; preds = %delete.end |
| call void @_ZdaPv(ptr noundef %4) #7, !dbg !79 |
| br label %delete.end7, !dbg !79 |
| |
| delete.end7: ; preds = %delete.notnull6, %delete.end |
| %5 = load ptr, ptr %e, align 8, !dbg !80 |
| %isnull8 = icmp eq ptr %5, null, !dbg !81 |
| br i1 %isnull8, label %delete.end10, label %delete.notnull9, !dbg !81 |
| |
| delete.notnull9: ; preds = %delete.end7 |
| call void @_ZdaPv(ptr noundef %5) #7, !dbg !82 |
| br label %delete.end10, !dbg !82 |
| |
| delete.end10: ; preds = %delete.notnull9, %delete.end7 |
| ret i32 0, !dbg !83 |
| } |
| |
| ; Function Attrs: argmemonly nofree nounwind willreturn writeonly |
| declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3 |
| |
| ; Function Attrs: nobuiltin nounwind |
| declare void @_ZdaPv(ptr noundef) #4 |
| |
| declare i32 @sleep(i32 noundef) #5 |
| |
| ; CHECK: attributes #[[COLD]] = { builtin allocsize(0) "memprof"="cold" } |
| ; CHECK: attributes #[[NOTCOLD]] = { builtin allocsize(0) "memprof"="notcold" } |
| |
| attributes #0 = { mustprogress uwtable "disable-tail-calls"="true" "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #1 = { nobuiltin allocsize(0) "disable-tail-calls"="true" "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #2 = { mustprogress norecurse uwtable "disable-tail-calls"="true" "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #3 = { argmemonly nofree nounwind willreturn writeonly } |
| attributes #4 = { nobuiltin nounwind "disable-tail-calls"="true" "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #5 = { "disable-tail-calls"="true" "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #6 = { builtin allocsize(0) } |
| attributes #7 = { builtin nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8, !9} |
| !llvm.ident = !{!38} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 15.0.0 (https://github.com/llvm/llvm-project.git e09c924f98ec157adeaa74819b0aec9a07a1b552)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None) |
| !1 = !DIFile(filename: "memprof_inline.cc", directory: "/usr/local/google/home/tejohnson/llvm/tmp", checksumkind: CSK_MD5, checksum: "8711f6fd269e6cb5611fef48bc906eab") |
| !2 = !{i32 7, !"Dwarf Version", i32 5} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{i32 1, !"wchar_size", i32 4} |
| !5 = !{i32 7, !"PIC Level", i32 2} |
| !6 = !{i32 7, !"PIE Level", i32 2} |
| !7 = !{i32 7, !"uwtable", i32 2} |
| !8 = !{i32 7, !"frame-pointer", i32 2} |
| !9 = !{i32 1, !"ProfileSummary", !10} |
| !10 = !{!11, !12, !13, !14, !15, !16, !17, !18, !19, !20} |
| !11 = !{!"ProfileFormat", !"InstrProf"} |
| !12 = !{!"TotalCount", i64 0} |
| !13 = !{!"MaxCount", i64 0} |
| !14 = !{!"MaxInternalCount", i64 0} |
| !15 = !{!"MaxFunctionCount", i64 0} |
| !16 = !{!"NumCounts", i64 0} |
| !17 = !{!"NumFunctions", i64 0} |
| !18 = !{!"IsPartialProfile", i64 0} |
| !19 = !{!"PartialProfileRatio", double 0.000000e+00} |
| !20 = !{!"DetailedSummary", !21} |
| !21 = !{!22, !23, !24, !25, !26, !27, !28, !29, !30, !31, !32, !33, !34, !35, !36, !37} |
| !22 = !{i32 10000, i64 0, i32 0} |
| !23 = !{i32 100000, i64 0, i32 0} |
| !24 = !{i32 200000, i64 0, i32 0} |
| !25 = !{i32 300000, i64 0, i32 0} |
| !26 = !{i32 400000, i64 0, i32 0} |
| !27 = !{i32 500000, i64 0, i32 0} |
| !28 = !{i32 600000, i64 0, i32 0} |
| !29 = !{i32 700000, i64 0, i32 0} |
| !30 = !{i32 800000, i64 0, i32 0} |
| !31 = !{i32 900000, i64 0, i32 0} |
| !32 = !{i32 950000, i64 0, i32 0} |
| !33 = !{i32 990000, i64 0, i32 0} |
| !34 = !{i32 999000, i64 0, i32 0} |
| !35 = !{i32 999900, i64 0, i32 0} |
| !36 = !{i32 999990, i64 0, i32 0} |
| !37 = !{i32 999999, i64 0, i32 0} |
| !38 = !{!"clang version 15.0.0 (https://github.com/llvm/llvm-project.git e09c924f98ec157adeaa74819b0aec9a07a1b552)"} |
| !39 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 4, type: !40, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !41) |
| !40 = !DISubroutineType(types: !41) |
| !41 = !{} |
| !42 = !DILocation(line: 5, column: 10, scope: !39) |
| !43 = !{!44, !46, !48} |
| !44 = !{!45, !"cold"} |
| !45 = !{i64 -2458008693472584243, i64 7394638144382192936} |
| !46 = !{!47, !"notcold"} |
| !47 = !{i64 -2458008693472584243, i64 -8908997186479157179} |
| !48 = !{!49, !"cold"} |
| !49 = !{i64 -2458008693472584243, i64 -8079659623765193173} |
| ; CHECK: ![[ORIGMEMPROF]] = !{![[ORIGMIB1:[0-9]+]], ![[ORIGMIB2:[0-9]+]], ![[ORIGMIB3:[0-9]+]]} |
| ; CHECK: ![[ORIGMIB1]] = !{![[ORIGMIBSTACK1:[0-9]+]], !"cold"} |
| ; CHECK: ![[ORIGMIBSTACK1]] = !{i64 -2458008693472584243, i64 7394638144382192936} |
| ; CHECK: ![[ORIGMIB2]] = !{![[ORIGMIBSTACK2:[0-9]+]], !"notcold"} |
| ; CHECK: ![[ORIGMIBSTACK2]] = !{i64 -2458008693472584243, i64 -8908997186479157179} |
| ; CHECK: ![[ORIGMIB3]] = !{![[ORIGMIBSTACK3:[0-9]+]], !"cold"} |
| ; CHECK: ![[ORIGMIBSTACK3]] = !{i64 -2458008693472584243, i64 -8079659623765193173} |
| !50 = !{i64 -2458008693472584243} |
| !51 = !DILocation(line: 5, column: 3, scope: !39) |
| !52 = distinct !DISubprogram(name: "foo2", linkageName: "_Z4foo2v", scope: !1, file: !1, line: 7, type: !40, scopeLine: 7, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !41) |
| !53 = !DILocation(line: 8, column: 10, scope: !52) |
| !54 = !{i64 -8079659623765193173} |
| !55 = !DILocation(line: 8, column: 3, scope: !52) |
| !56 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 16, type: !40, scopeLine: 16, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !41) |
| !57 = !DILocation(line: 17, column: 13, scope: !56) |
| !58 = !{i64 -8908997186479157179} |
| !59 = !DILocation(line: 17, column: 9, scope: !56) |
| !60 = !DILocation(line: 18, column: 13, scope: !56) |
| !61 = !{i64 7394638144382192936} |
| !62 = !DILocation(line: 18, column: 9, scope: !56) |
| !63 = !DILocation(line: 19, column: 13, scope: !56) |
| !64 = !{i64 -5510257407004945023} |
| !65 = !DILocation(line: 19, column: 9, scope: !56) |
| !66 = !DILocation(line: 21, column: 10, scope: !56) |
| !67 = !DILocation(line: 21, column: 3, scope: !56) |
| !68 = !DILocation(line: 22, column: 10, scope: !56) |
| !69 = !DILocation(line: 22, column: 3, scope: !56) |
| !70 = !DILocation(line: 23, column: 10, scope: !56) |
| !71 = !DILocation(line: 23, column: 3, scope: !56) |
| !72 = !DILocation(line: 25, column: 12, scope: !56) |
| !73 = !DILocation(line: 25, column: 3, scope: !56) |
| !74 = !DILocation(line: 25, column: 3, scope: !75) |
| !75 = !DILexicalBlockFile(scope: !56, file: !1, discriminator: 2) |
| !76 = !DILocation(line: 26, column: 3, scope: !56) |
| !77 = !DILocation(line: 27, column: 12, scope: !56) |
| !78 = !DILocation(line: 27, column: 3, scope: !56) |
| !79 = !DILocation(line: 27, column: 3, scope: !75) |
| !80 = !DILocation(line: 28, column: 12, scope: !56) |
| !81 = !DILocation(line: 28, column: 3, scope: !56) |
| !82 = !DILocation(line: 28, column: 3, scope: !75) |
| !83 = !DILocation(line: 30, column: 3, scope: !56) |
