43417d8159
Update both memprof and callsite metadata to reflect inlined functions. For callsite metadata this is simply a concatenation of each cloned call's call stack with that of the inlined callsite's. For memprof metadata, each profiled memory info block (MIB) is either moved to the cloned allocation call or left on the original allocation call depending on whether its context matches the newly refined call stack context on the cloned call. We also reapply context trimming optimizations based on the refined set of contexts on each of the calls (cloned and original). Depends on D128142. Reviewed By: snehasish Differential Revision: https://reviews.llvm.org/D128143
229 lines
10 KiB
LLVM
229 lines
10 KiB
LLVM
;; Test for memprof metadata propagation, ensuring metadata is simplified
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;; to function attributes appropriately after inlining profiled call chains.
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;;
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;; The following code was used to generate the following IR and its memprof
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;; profile:
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;;
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;; #include <stdlib.h>
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;; #include <string.h>
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;; #include <unistd.h>
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;; char *foo() {
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;; return new char[10];
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;; }
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;; char *foo2() {
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;; return foo();
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;; }
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;; int main(int argc, char **argv) {
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;; char *c = foo();
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;; char *d = foo();
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;; char *e = foo2();
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;; memset(c, 0, 10);
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;; memset(d, 0, 10);
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;; memset(e, 0, 10);
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;; delete[] c;
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;; sleep(200);
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;; delete[] d;
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;; delete[] e;
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;; return 0;
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;; }
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; RUN: opt -inline %s -S | FileCheck %s
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; ModuleID = 'memprof_inline.cc'
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source_filename = "memprof_inline.cc"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: mustprogress uwtable
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; CHECK-LABEL: define dso_local noundef i8* @_Z3foov
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define dso_local noundef i8* @_Z3foov() #0 !dbg !39 {
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entry:
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; CHECK: call {{.*}} @_Znam
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; CHECK-NOT: !memprof
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; CHECK-NOT: !callsite
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%call = call noalias noundef nonnull i8* @_Znam(i64 noundef 10) #6, !dbg !42, !memprof !43, !callsite !50
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; CHECK-NEXT: ret
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ret i8* %call, !dbg !51
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}
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; Function Attrs: nobuiltin allocsize(0)
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declare noundef nonnull i8* @_Znam(i64 noundef) #1
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; Function Attrs: mustprogress uwtable
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; CHECK-LABEL: define dso_local noundef i8* @_Z4foo2v
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define dso_local noundef i8* @_Z4foo2v() #0 !dbg !52 {
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entry:
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; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD:[0-9]+]]
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%call = call noundef i8* @_Z3foov(), !dbg !53, !callsite !54
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ret i8* %call, !dbg !55
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}
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; Function Attrs: mustprogress norecurse uwtable
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; CHECK-LABEL: define dso_local noundef i32 @main
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define dso_local noundef i32 @main(i32 noundef %argc, i8** noundef %argv) #2 !dbg !56 {
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entry:
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%retval = alloca i32, align 4
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%argc.addr = alloca i32, align 4
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%argv.addr = alloca i8**, align 8
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%c = alloca i8*, align 8
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%d = alloca i8*, align 8
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%e = alloca i8*, align 8
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store i32 0, i32* %retval, align 4
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store i32 %argc, i32* %argc.addr, align 4
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store i8** %argv, i8*** %argv.addr, align 8
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; CHECK: call {{.*}} @_Znam{{.*}} #[[NOTCOLD:[0-9]+]]
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%call = call noundef i8* @_Z3foov(), !dbg !57, !callsite !58
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store i8* %call, i8** %c, align 8, !dbg !59
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; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD]]
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%call1 = call noundef i8* @_Z3foov(), !dbg !60, !callsite !61
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store i8* %call1, i8** %d, align 8, !dbg !62
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; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD]]
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%call2 = call noundef i8* @_Z4foo2v(), !dbg !63, !callsite !64
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store i8* %call2, i8** %e, align 8, !dbg !65
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%0 = load i8*, i8** %c, align 8, !dbg !66
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call void @llvm.memset.p0i8.i64(i8* align 1 %0, i8 0, i64 10, i1 false), !dbg !67
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%1 = load i8*, i8** %d, align 8, !dbg !68
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call void @llvm.memset.p0i8.i64(i8* align 1 %1, i8 0, i64 10, i1 false), !dbg !69
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%2 = load i8*, i8** %e, align 8, !dbg !70
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call void @llvm.memset.p0i8.i64(i8* align 1 %2, i8 0, i64 10, i1 false), !dbg !71
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%3 = load i8*, i8** %c, align 8, !dbg !72
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%isnull = icmp eq i8* %3, null, !dbg !73
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br i1 %isnull, label %delete.end, label %delete.notnull, !dbg !73
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delete.notnull: ; preds = %entry
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call void @_ZdaPv(i8* noundef %3) #7, !dbg !74
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br label %delete.end, !dbg !74
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delete.end: ; preds = %delete.notnull, %entry
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%call4 = call i32 @sleep(i32 noundef 200), !dbg !76
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%4 = load i8*, i8** %d, align 8, !dbg !77
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%isnull5 = icmp eq i8* %4, null, !dbg !78
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br i1 %isnull5, label %delete.end7, label %delete.notnull6, !dbg !78
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delete.notnull6: ; preds = %delete.end
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call void @_ZdaPv(i8* noundef %4) #7, !dbg !79
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br label %delete.end7, !dbg !79
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delete.end7: ; preds = %delete.notnull6, %delete.end
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%5 = load i8*, i8** %e, align 8, !dbg !80
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%isnull8 = icmp eq i8* %5, null, !dbg !81
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br i1 %isnull8, label %delete.end10, label %delete.notnull9, !dbg !81
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delete.notnull9: ; preds = %delete.end7
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call void @_ZdaPv(i8* noundef %5) #7, !dbg !82
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br label %delete.end10, !dbg !82
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delete.end10: ; preds = %delete.notnull9, %delete.end7
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ret i32 0, !dbg !83
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}
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; Function Attrs: argmemonly nofree nounwind willreturn writeonly
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declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #3
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; Function Attrs: nobuiltin nounwind
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declare void @_ZdaPv(i8* noundef) #4
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declare i32 @sleep(i32 noundef) #5
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; CHECK: attributes #[[COLD]] = { builtin allocsize(0) "memprof"="cold" }
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; CHECK: attributes #[[NOTCOLD]] = { builtin allocsize(0) "memprof"="notcold" }
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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" }
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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" }
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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" }
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attributes #3 = { argmemonly nofree nounwind willreturn writeonly }
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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" }
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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" }
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attributes #6 = { builtin allocsize(0) }
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attributes #7 = { builtin nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8, !9}
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!llvm.ident = !{!38}
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!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)
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!1 = !DIFile(filename: "memprof_inline.cc", directory: "/usr/local/google/home/tejohnson/llvm/tmp", checksumkind: CSK_MD5, checksum: "8711f6fd269e6cb5611fef48bc906eab")
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!2 = !{i32 7, !"Dwarf Version", i32 5}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 1, !"wchar_size", i32 4}
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!5 = !{i32 7, !"PIC Level", i32 2}
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!6 = !{i32 7, !"PIE Level", i32 2}
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!7 = !{i32 7, !"uwtable", i32 2}
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!8 = !{i32 7, !"frame-pointer", i32 2}
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!9 = !{i32 1, !"ProfileSummary", !10}
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!10 = !{!11, !12, !13, !14, !15, !16, !17, !18, !19, !20}
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!11 = !{!"ProfileFormat", !"InstrProf"}
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!12 = !{!"TotalCount", i64 0}
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!13 = !{!"MaxCount", i64 0}
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!14 = !{!"MaxInternalCount", i64 0}
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!15 = !{!"MaxFunctionCount", i64 0}
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!16 = !{!"NumCounts", i64 0}
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!17 = !{!"NumFunctions", i64 0}
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!18 = !{!"IsPartialProfile", i64 0}
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!19 = !{!"PartialProfileRatio", double 0.000000e+00}
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!20 = !{!"DetailedSummary", !21}
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!21 = !{!22, !23, !24, !25, !26, !27, !28, !29, !30, !31, !32, !33, !34, !35, !36, !37}
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!22 = !{i32 10000, i64 0, i32 0}
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!23 = !{i32 100000, i64 0, i32 0}
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!24 = !{i32 200000, i64 0, i32 0}
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!25 = !{i32 300000, i64 0, i32 0}
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!26 = !{i32 400000, i64 0, i32 0}
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!27 = !{i32 500000, i64 0, i32 0}
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!28 = !{i32 600000, i64 0, i32 0}
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!29 = !{i32 700000, i64 0, i32 0}
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!30 = !{i32 800000, i64 0, i32 0}
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!31 = !{i32 900000, i64 0, i32 0}
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!32 = !{i32 950000, i64 0, i32 0}
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!33 = !{i32 990000, i64 0, i32 0}
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!34 = !{i32 999000, i64 0, i32 0}
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!35 = !{i32 999900, i64 0, i32 0}
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!36 = !{i32 999990, i64 0, i32 0}
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!37 = !{i32 999999, i64 0, i32 0}
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!38 = !{!"clang version 15.0.0 (https://github.com/llvm/llvm-project.git e09c924f98ec157adeaa74819b0aec9a07a1b552)"}
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!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)
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!40 = !DISubroutineType(types: !41)
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!41 = !{}
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!42 = !DILocation(line: 5, column: 10, scope: !39)
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!43 = !{!44, !46, !48}
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!44 = !{!45, !"cold"}
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!45 = !{i64 -2458008693472584243, i64 7394638144382192936}
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!46 = !{!47, !"noncold"}
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!47 = !{i64 -2458008693472584243, i64 -8908997186479157179}
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!48 = !{!49, !"cold"}
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!49 = !{i64 -2458008693472584243, i64 -8079659623765193173}
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!50 = !{i64 -2458008693472584243}
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!51 = !DILocation(line: 5, column: 3, scope: !39)
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!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)
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!53 = !DILocation(line: 8, column: 10, scope: !52)
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!54 = !{i64 -8079659623765193173}
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!55 = !DILocation(line: 8, column: 3, scope: !52)
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!56 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 16, type: !40, scopeLine: 16, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !41)
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!57 = !DILocation(line: 17, column: 13, scope: !56)
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!58 = !{i64 -8908997186479157179}
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!59 = !DILocation(line: 17, column: 9, scope: !56)
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!60 = !DILocation(line: 18, column: 13, scope: !56)
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!61 = !{i64 7394638144382192936}
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!62 = !DILocation(line: 18, column: 9, scope: !56)
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!63 = !DILocation(line: 19, column: 13, scope: !56)
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!64 = !{i64 -5510257407004945023}
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!65 = !DILocation(line: 19, column: 9, scope: !56)
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!66 = !DILocation(line: 21, column: 10, scope: !56)
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!67 = !DILocation(line: 21, column: 3, scope: !56)
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!68 = !DILocation(line: 22, column: 10, scope: !56)
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!69 = !DILocation(line: 22, column: 3, scope: !56)
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!70 = !DILocation(line: 23, column: 10, scope: !56)
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!71 = !DILocation(line: 23, column: 3, scope: !56)
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!72 = !DILocation(line: 25, column: 12, scope: !56)
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!73 = !DILocation(line: 25, column: 3, scope: !56)
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!74 = !DILocation(line: 25, column: 3, scope: !75)
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!75 = !DILexicalBlockFile(scope: !56, file: !1, discriminator: 2)
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!76 = !DILocation(line: 26, column: 3, scope: !56)
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!77 = !DILocation(line: 27, column: 12, scope: !56)
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!78 = !DILocation(line: 27, column: 3, scope: !56)
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!79 = !DILocation(line: 27, column: 3, scope: !75)
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!80 = !DILocation(line: 28, column: 12, scope: !56)
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!81 = !DILocation(line: 28, column: 3, scope: !56)
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!82 = !DILocation(line: 28, column: 3, scope: !75)
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!83 = !DILocation(line: 30, column: 3, scope: !56)
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