1; REQUIRES: x86_64-linux 2 3; Make sure that we can ingest the MemProf profile in YAML and 4; annotate a call to new as cold. 5 6; RUN: split-file %s %t 7; RUN: llvm-profdata merge %t/memprof_annotate_yaml.yaml -o %t/memprof_annotate_yaml.memprofdata 8; RUN: opt < %t/memprof_annotate_yaml.ll -passes='memprof-use<profile-filename=%t/memprof_annotate_yaml.memprofdata>' -S 2>&1 | FileCheck %s 9 10;--- memprof_annotate_yaml.yaml 11--- 12HeapProfileRecords: 13 - GUID: _Z3foov 14 AllocSites: 15 - Callstack: 16 - { Function: _Z3foov, LineOffset: 0, Column: 22, IsInlineFrame: false } 17 - { Function: main, LineOffset: 2, Column: 5, IsInlineFrame: false } 18 MemInfoBlock: 19 # With these numbers, llvm::memprof::getAllocType will determine that 20 # the call to new is cold. See MemoryProfileInfo.cpp for details. 21 TotalSize: 400 22 AllocCount: 1 23 TotalLifetimeAccessDensity: 1 24 TotalLifetime: 1000000 25 CallSites: [] 26... 27;--- memprof_annotate_yaml.ll 28define dso_local ptr @_Z3foov() !dbg !4 { 29entry: 30 %call = call ptr @_Znam(i64 4) #0, !dbg !5 31; CHECK: call ptr @_Znam(i64 4) #[[ATTR:[0-9]+]], 32 ret ptr %call 33} 34 35declare ptr @_Znam(i64) 36 37attributes #0 = { builtin allocsize(0) } 38; CHECK: attributes #[[ATTR]] = {{.*}} "memprof"="cold" 39 40!llvm.module.flags = !{!2, !3} 41 42!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1) 43!1 = !DIFile(filename: "t", directory: "/") 44!2 = !{i32 7, !"Dwarf Version", i32 5} 45!3 = !{i32 2, !"Debug Info Version", i32 3} 46!4 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 1, unit: !0) 47!5 = !DILocation(line: 1, column: 22, scope: !4) 48