94 lines
4.7 KiB
LLVM
94 lines
4.7 KiB
LLVM
; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump -verify %t
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; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s
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; RUN: rm %t
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;
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;$ cat -n 1.cpp
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; 1 struct HHH;
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; 2 HHH *zzz;
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;
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;$ cat -n 2.cpp
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; 1 void __attribute__((optnone)) __attribute__((nodebug)) f1() { }
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; 2
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; 3 struct HHH {
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; 4 template <typename bbb>
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; 5 static int __attribute__((always_inline)) ccc() {
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; 6 f1();
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; 7 }
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; 8 };
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; 9
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; 10 int main() {
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; 11 struct local { };
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; 12 HHH::ccc<local>();
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; 13 }
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;
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; $ clang -flto -O2 -g 1.cpp 2.cpp -o a.out
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;
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; Given this input, LLVM attempts to create a DIE for subprogram "main" in the
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; wrong context. The definition of struct "HHH" is placed in the CU for 1.cpp.
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; While creating the template instance in "HHH", function "ccc" is referenced
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; via the struct local type, and "main" is created in the CU for 1.cpp, which
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; is incorrect.
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;
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; See PR48790 for more discussion and original compile commands.
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;
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; Check that there are no verifier failures, and that the SP for "main" appears
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; in the correct CU.
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; CHECK-LABEL: DW_TAG_compile_unit
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; CHECK: DW_AT_name ("2.cpp")
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_name ("main")
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; CHECK-LABEL: DW_TAG_compile_unit
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; CHECK: DW_AT_name ("1.cpp")
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; CHECK-NOT: DW_AT_name ("main")
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source_filename = "ld-temp.o"
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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: noinline norecurse nounwind optnone uwtable mustprogress
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define internal fastcc void @_Z2f1v() unnamed_addr {
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entry:
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ret void
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}
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; Function Attrs: norecurse noreturn nounwind uwtable mustprogress
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define dso_local i32 @main() local_unnamed_addr !dbg !17 {
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entry:
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tail call fastcc void @_Z2f1v(), !dbg !21
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unreachable, !dbg !21
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}
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!llvm.dbg.cu = !{!0, !9}
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!llvm.ident = !{!10, !10}
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!llvm.module.flags = !{!11, !12, !13, !14, !15, !16}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 12.0.0 (git@github.com:llvm/llvm-project bc9ab9a5cd6bafc5e1293f3d5d51638f8f5cd26c)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "1.cpp", directory: "/tmp/bees")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
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!5 = distinct !DIGlobalVariable(name: "zzz", scope: !0, file: !1, line: 2, type: !6, isLocal: false, isDefinition: true)
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
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!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "HHH", file: !8, line: 3, size: 8, flags: DIFlagTypePassByValue, elements: !2, identifier: "_ZTS3HHH")
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!8 = !DIFile(filename: "2.cpp", directory: "/tmp/bees")
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!9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !8, producer: "clang version 12.0.0 (git@github.com:llvm/llvm-project bc9ab9a5cd6bafc5e1293f3d5d51638f8f5cd26c)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!10 = !{!"clang version 12.0.0 (git@github.com:llvm/llvm-project bc9ab9a5cd6bafc5e1293f3d5d51638f8f5cd26c)"}
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!11 = !{i32 7, !"Dwarf Version", i32 4}
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!12 = !{i32 2, !"Debug Info Version", i32 3}
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!13 = !{i32 1, !"wchar_size", i32 4}
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!14 = !{i32 1, !"ThinLTO", i32 0}
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!15 = !{i32 1, !"EnableSplitLTOUnit", i32 1}
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!16 = !{i32 1, !"LTOPostLink", i32 1}
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!17 = distinct !DISubprogram(name: "main", scope: !8, file: !8, line: 10, type: !18, scopeLine: 10, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !9, retainedNodes: !2)
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!18 = !DISubroutineType(types: !19)
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!19 = !{!20}
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!20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!21 = !DILocation(line: 6, column: 5, scope: !22, inlinedAt: !27)
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!22 = distinct !DISubprogram(name: "ccc<local>", linkageName: "_ZN3HHH3cccIZ4mainE5localEEiv", scope: !7, file: !8, line: 5, type: !18, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !9, templateParams: !24, declaration: !23, retainedNodes: !2)
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!23 = !DISubprogram(name: "ccc<local>", linkageName: "_ZN3HHH3cccIZ4mainE5localEEiv", scope: !7, file: !8, line: 5, type: !18, scopeLine: 5, flags: DIFlagPrototyped | DIFlagStaticMember, spFlags: DISPFlagOptimized, templateParams: !24)
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!24 = !{!25}
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!25 = !DITemplateTypeParameter(name: "bbb", type: !26)
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!26 = !DICompositeType(tag: DW_TAG_structure_type, name: "local", scope: !17, file: !8, line: 11, size: 8, flags: DIFlagFwdDecl)
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!27 = distinct !DILocation(line: 12, column: 3, scope: !17)
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