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1; Check flattened profile will not be read in thinlto postlink.2; RUN: opt < %s -passes='thinlto<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/flattened.prof -flattened-profile-used -S | FileCheck %s3;4; Check flattened profile will be read in thinlto prelink.5; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/flattened.prof -flattened-profile-used -S | FileCheck %s --check-prefix=PRELINK6;7; Check flattened profile will be read in non-thinlto mode.8; RUN: opt < %s -passes='default<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/flattened.prof -flattened-profile-used -S | FileCheck %s --check-prefix=NOTHINLTO9;10; CHECK-NOT: !{!"ProfileFormat", !"SampleProfile"}11; PRELINK: !{!"ProfileFormat", !"SampleProfile"}12; NOTHINLTO: !{!"ProfileFormat", !"SampleProfile"}13 14target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"15target triple = "x86_64-unknown-linux-gnu"16 17; Function Attrs: norecurse nounwind readnone uwtable18define dso_local i32 @foo() local_unnamed_addr !dbg !7 {19entry:20 ret i32 -1, !dbg !921}22 23!llvm.dbg.cu = !{!0}24!llvm.module.flags = !{!3, !4, !5}25!llvm.ident = !{!6}26 27!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)28!1 = !DIFile(filename: "a.c", directory: "")29!2 = !{}30!3 = !{i32 2, !"Dwarf Version", i32 4}31!4 = !{i32 2, !"Debug Info Version", i32 3}32!5 = !{i32 1, !"wchar_size", i32 4}33!6 = !{!"clang version 8.0.0 (trunk 345241)"}34!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)35!8 = !DISubroutineType(types: !2)36!9 = !DILocation(line: 2, column: 3, scope: !7)37