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1; Do setup work for all below tests: generate bitcode and combined index2; RUN: opt -module-summary %s -o %t.bc3; RUN: opt -module-summary %p/Inputs/thinlto_funcimport_debug.ll -o %t2.bc4; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc5 6; If we import func1 and not func2 we should only link DISubprogram for func17; RUN: llvm-link %t2.bc -summary-index=%t3.thinlto.bc -import=func1:%t.bc -S | FileCheck %s8 9; CHECK: declare i32 @func210; CHECK: define available_externally i32 @func111 12; Ensure that each subprogram points to the correct CU.13; CHECK: ![[CU1:[0-9]+]] = distinct !DICompileUnit(14; CHECK: ![[CU2:[0-9]+]] = distinct !DICompileUnit(15 16; CHECK: distinct !DISubprogram(name: "main", {{.*}}, unit: ![[CU1]]17; CHECK: distinct !DISubprogram(name: "func1", {{.*}}, unit: ![[CU2]]18; CHECK-NOT: distinct !DISubprogram(name: "func2"19; CHECK: distinct !DISubprogram(name: "func3", {{.*}}, unit: ![[CU2]]20; CHECK: distinct !DISubprogram(name: "func4", {{.*}}, unit: ![[CU2]]21 22 23; ModuleID = 'dbg.o'24target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"25target triple = "x86_64-unknown-linux-gnu"26 27; Function Attrs: nounwind readnone uwtable28define i32 @func1(i32 %n) #0 !dbg !4 {29entry:30 tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !9, metadata !17), !dbg !1831 tail call void @llvm.dbg.value(metadata i32 5, i64 0, metadata !10, metadata !17), !dbg !1932 %cmp = icmp sgt i32 %n, 10, !dbg !2033 %. = select i1 %cmp, i32 10, i32 5, !dbg !2234 tail call void @llvm.dbg.value(metadata i32 %., i64 0, metadata !10, metadata !17), !dbg !1935 ret i32 %., !dbg !2336}37 38; Function Attrs: nounwind readnone uwtable39define i32 @func2(i32 %n) #0 !dbg !11 {40entry:41 tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !13, metadata !17), !dbg !2442 ret i32 %n, !dbg !2543}44 45; Function Attrs: nounwind readnone46declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #147 48attributes #0 = { nounwind readnone uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }49attributes #1 = { nounwind readnone }50 51!llvm.dbg.cu = !{!0}52!llvm.module.flags = !{!14, !15}53!llvm.ident = !{!16}54 55!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251407) (llvm/trunk 251401)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)56!1 = !DIFile(filename: "dbg.c", directory: ".")57!2 = !{}58!4 = distinct !DISubprogram(name: "func1", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !8)59!5 = !DISubroutineType(types: !6)60!6 = !{!7, !7}61!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)62!8 = !{!9, !10}63!9 = !DILocalVariable(name: "n", arg: 1, scope: !4, file: !1, line: 1, type: !7)64!10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 2, type: !7)65!11 = distinct !DISubprogram(name: "func2", scope: !1, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)66!12 = !{!13}67!13 = !DILocalVariable(name: "n", arg: 1, scope: !11, file: !1, line: 8, type: !7)68!14 = !{i32 2, !"Dwarf Version", i32 4}69!15 = !{i32 2, !"Debug Info Version", i32 3}70!16 = !{!"clang version 3.8.0 (trunk 251407) (llvm/trunk 251401)"}71!17 = !DIExpression()72!18 = !DILocation(line: 1, column: 15, scope: !4)73!19 = !DILocation(line: 2, column: 7, scope: !4)74!20 = !DILocation(line: 3, column: 9, scope: !21, inlinedAt: !26)75!21 = distinct !DILexicalBlock(scope: !27, file: !1, line: 3, column: 7)76!22 = !DILocation(line: 3, column: 7, scope: !4)77!23 = !DILocation(line: 5, column: 3, scope: !4)78!24 = !DILocation(line: 8, column: 15, scope: !11)79!25 = !DILocation(line: 9, column: 3, scope: !11)80!26 = !DILocation(line: 9, column: 3, scope: !4)81!27 = distinct !DISubprogram(name: "func3", scope: !1, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !28)82!28 = !{!29}83!29 = !DILocalVariable(name: "n", arg: 1, scope: !27, file: !1, line: 8, type: !33)84!30 = distinct !DISubprogram(name: "func4", scope: !1, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !31)85!31 = !{!32}86!32 = !DILocalVariable(name: "n", arg: 1, scope: !30, file: !1, line: 8, type: !7)87!33 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", scope: !30, file: !1, line: 13, baseType: !7)88