1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s
4
5; Just because there are no scopes/locations on any instructions in the
6; function doesn't mean we can't describe the address range of the function.
7; Check that we do that
8
9; CHECK: DW_TAG_subprogram
10; CHECK-NOT: TAG
11; CHECK:   DW_AT_low_pc
12
13; Function Attrs: nounwind uwtable
14define void @f() #0 !dbg !6 {
15entry:
16  ret void
17}
18
19!llvm.dbg.cu = !{!0}
20!llvm.module.flags = !{!3, !4}
21!llvm.ident = !{!5}
22
23!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (trunk 289692) (llvm/trunk 289697)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
24!1 = !DIFile(filename: "noscopes.c", directory: "/tmp/dbginfo")
25!2 = !{}
26!3 = !{i32 2, !"Dwarf Version", i32 4}
27!4 = !{i32 2, !"Debug Info Version", i32 3}
28!5 = !{!"clang version 4.0.0 (trunk 289692) (llvm/trunk 289697)"}
29!6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, retainedNodes: !2)
30!7 = !DISubroutineType(types: !8)
31!8 = !{null}
32!9 = !DILocation(line: 2, column: 1, scope: !6)
33
34