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1; Check the nonflattened part of the ctxsplit profile will be read in thinlto2; postlink phase while flattened part of the ctxsplit profile will not be read.3; RUN: opt < %s -passes='thinlto<O2>' -pgo-kind=pgo-sample-use-pipeline -use-profiled-call-graph=0 -profile-file=%S/Inputs/ctxsplit.extbinary.afdo -S | FileCheck %s --check-prefix=POSTLINK4;5; Check both the flattened and nonflattened parts of the ctxsplit profile will6; be read in thinlto prelink phase.7; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -use-profiled-call-graph=0 -profile-file=%S/Inputs/ctxsplit.extbinary.afdo -S | FileCheck %s --check-prefix=PRELINK8;9; Check both the flattened and nonflattened parts of the ctxsplit profile will10; be read in non-thinlto mode.11; RUN: opt < %s -passes='default<O2>' -pgo-kind=pgo-sample-use-pipeline -use-profiled-call-graph=0 -profile-file=%S/Inputs/ctxsplit.extbinary.afdo -S | FileCheck %s --check-prefix=NOTHINLTO12 13; POSTLINK: define dso_local noundef i32 @goo() {{.*}} !prof ![[ENTRY1:[0-9]+]] {14; POSTLINK: define dso_local noundef i32 @foo() {{.*}} !prof ![[ENTRY2:[0-9]+]] {15; POSTLINK: ![[ENTRY1]] = !{!"function_entry_count", i64 1001}16; POSTLINK: ![[ENTRY2]] = !{!"function_entry_count", i64 -1}17; PRELINK: define dso_local noundef i32 @goo() {{.*}} !prof ![[ENTRY1:[0-9]+]] {18; PRELINK: define dso_local noundef i32 @foo() {{.*}} !prof ![[ENTRY2:[0-9]+]] {19; PRELINK: ![[ENTRY1]] = !{!"function_entry_count", i64 1001}20; PRELINK: ![[ENTRY2]] = !{!"function_entry_count", i64 3001}21; NOTHINLTO: define dso_local noundef i32 @goo() {{.*}} !prof ![[ENTRY1:[0-9]+]] {22; NOTHINLTO: define dso_local noundef i32 @foo() {{.*}} !prof ![[ENTRY2:[0-9]+]] {23; NOTHINLTO: ![[ENTRY1]] = !{!"function_entry_count", i64 1001}24; NOTHINLTO: ![[ENTRY2]] = !{!"function_entry_count", i64 3001}25 26target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"27target triple = "x86_64-unknown-linux-gnu"28 29; Function Attrs: norecurse nounwind readnone uwtable30define dso_local i32 @goo() #0 !dbg !10 {31entry:32 ret i32 -1, !dbg !1133}34 35; Function Attrs: norecurse nounwind readnone uwtable36define dso_local i32 @foo() #0 !dbg !7 {37entry:38 ret i32 -1, !dbg !939}40 41attributes #0 = { "use-sample-profile" }42 43!llvm.dbg.cu = !{!0}44!llvm.module.flags = !{!3, !4, !5}45!llvm.ident = !{!6}46 47!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.0 (trunk 345241)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, nameTableKind: None)48!1 = !DIFile(filename: "a.c", directory: "")49!2 = !{}50!3 = !{i32 2, !"Dwarf Version", i32 4}51!4 = !{i32 2, !"Debug Info Version", i32 3}52!5 = !{i32 1, !"wchar_size", i32 4}53!6 = !{!"clang version 8.0.0 (trunk 345241)"}54!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !2)55!8 = !DISubroutineType(types: !2)56!9 = !DILocation(line: 2, column: 3, scope: !7)57!10 = distinct !DISubprogram(name: "goo", scope: !1, file: !1, line: 8, type: !8, isLocal: false, isDefinition: true, scopeLine: 8, isOptimized: true, unit: !0, retainedNodes: !2)58!11 = !DILocation(line: 10, column: 3, scope: !10)59 60