1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4
5; Test that a nodebug function (a function not appearing in the debug info IR
6; metadata subprogram list) with DebugLocs on its IR doesn't cause crashes/does
7; the right thing.
8
9; Build with clang from the following:
10; extern int i;
11; inline __attribute__((always_inline)) void f1() {
12;   i = 3;
13; }
14;
15; __attribute__((nodebug)) void f2() {
16;   f1();
17; }
18
19; Check that there's no DW_TAG_subprogram, not even for the 'f2' function.
20; CHECK: DW_TAG_compile_unit
21; CHECK-NOT: DW_TAG_subprogram
22
23@i = external global i32
24
25; Function Attrs: uwtable
26define void @_Z2f2v() #0 {
27entry:
28  store i32 3, i32* @i, align 4, !dbg !11
29  ret void
30}
31
32attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
33
34!llvm.dbg.cu = !{!0}
35!llvm.module.flags = !{!8, !9}
36!llvm.ident = !{!10}
37
38!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
39!1 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo")
40!2 = !{}
41!4 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, variables: !2)
42!5 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo")
43!6 = !DISubroutineType(types: !7)
44!7 = !{null}
45!8 = !{i32 2, !"Dwarf Version", i32 4}
46!9 = !{i32 2, !"Debug Info Version", i32 3}
47!10 = !{!"clang version 3.5.0 "}
48!11 = !DILocation(line: 3, scope: !4)
49