1 ; Test to ensure that a module containing both a NoDebug CU and one with
2 ; debug is handled correctly.
4 ; LLVM IR was generated the following way:
7 ; __attribute__((always_inline)) void f2() {
16 ; __attribute__((always_inline)) void f3() {
19 ; $ clang++ -flto a.cpp -g -c
20 ; $ clang++ -flto b.cpp -Rpass=inline -c
21 ; $ llvm-link {a,b}.o -o - | opt -O2 - -o ab.bc
24 ; Ensure we can successfully generate assembly, and check that neither
25 ; "b.cpp" nor "f3" strings show up (which would be in the .debug_str
26 ; section if we had generated any lexical scopes and debug for them).
27 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
28 ; CHECK-NOT: .asciz "b.cpp"
29 ; CHECK-NOT: .asciz "f3"
31 ; ModuleID = 'debug_and_nodebug_CUs.bc'
32 source_filename = "debug_and_nodebug_CUs.ll"
33 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
34 target triple = "x86_64-unknown-linux-gnu"
36 define void @_Z2f2v() local_unnamed_addr !dbg !8 {
38 tail call void @_Z2f1v(), !dbg !11
42 declare void @_Z2f1v() local_unnamed_addr
44 define void @_Z2f4v() local_unnamed_addr !dbg !13 {
46 tail call void @_Z2f1v(), !dbg !14
50 define void @_Z2f3v() local_unnamed_addr !dbg !16 {
52 tail call void @_Z2f1v(), !dbg !20
56 !llvm.dbg.cu = !{!0, !3}
57 !llvm.ident = !{!5, !5}
58 !llvm.module.flags = !{!6, !7}
60 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 294362) (llvm/trunk 294367)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
61 !1 = !DIFile(filename: "a.cpp", directory: ".")
63 !3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !4, producer: "clang version 5.0.0 (trunk 294362) (llvm/trunk 294367)", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
64 !4 = !DIFile(filename: "b.cpp", directory: ".")
65 !5 = !{!"clang version 5.0.0 (trunk 294362) (llvm/trunk 294367)"}
66 !6 = !{i32 2, !"Dwarf Version", i32 4}
67 !7 = !{i32 2, !"Debug Info Version", i32 3}
68 !8 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
69 !9 = !DISubroutineType(types: !10)
71 !11 = !DILocation(line: 3, column: 3, scope: !8)
72 !12 = !DILocation(line: 4, column: 1, scope: !8)
73 !13 = distinct !DISubprogram(name: "f4", linkageName: "_Z2f4v", scope: !1, file: !1, line: 6, type: !9, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
74 !14 = !DILocation(line: 3, column: 3, scope: !8, inlinedAt: !15)
75 !15 = distinct !DILocation(line: 3, column: 3, scope: !16, inlinedAt: !18)
76 !16 = distinct !DISubprogram(name: "f3", scope: !4, file: !4, line: 2, type: !17, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !3, retainedNodes: !2)
77 !17 = !DISubroutineType(types: !2)
78 !18 = distinct !DILocation(line: 7, column: 3, scope: !13)
79 !19 = !DILocation(line: 8, column: 1, scope: !13)
80 !20 = !DILocation(line: 3, column: 3, scope: !8, inlinedAt: !21)
81 !21 = distinct !DILocation(line: 3, column: 3, scope: !16)
82 !22 = !DILocation(line: 4, column: 1, scope: !16)