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1; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
2; RUN: verify-uselistorder %s
3
4; Ensure we accept debug info where DIFiles within a DICompileUnit either all
5; have source, or none have source.
6
7define dso_local void @foo() !dbg !6 {
8  ret void
9}
10
11define dso_local void @bar() !dbg !7 {
12  ret void
13}
14
15define dso_local void @baz() !dbg !9 {
16  ret void
17}
18
19define dso_local void @qux() !dbg !11 {
20  ret void
21}
22
23!llvm.dbg.cu = !{!0, !2}
24!llvm.module.flags = !{!4, !5}
25
26!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1)
27; CHECK: !1 = !DIFile(filename: "foo.c", directory: "dir", source: "void foo() { }\0A")
28!1 = !DIFile(filename: "foo.c", directory: "dir", source: "void foo() { }\0A")
29!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3)
30; CHECK: !3 = !DIFile(filename: "qux.h", directory: "dir")
31!3 = !DIFile(filename: "qux.h", directory: "dir")
32!4 = !{i32 2, !"Dwarf Version", i32 5}
33!5 = !{i32 2, !"Debug Info Version", i32 3}
34!6 = distinct !DISubprogram(name: "foo", file: !1, unit: !0)
35!7 = distinct !DISubprogram(name: "bar", file: !8, unit: !0)
36; CHECK: !8 = !DIFile(filename: "bar.h", directory: "dir", source: "void bar() { }\0A")
37!8 = !DIFile(filename: "bar.h", directory: "dir", source: "void bar() { }\0A")
38!9 = distinct !DISubprogram(name: "baz", file: !10, unit: !2)
39; CHECK: !10 = !DIFile(filename: "baz.c", directory: "dir")
40!10 = !DIFile(filename: "baz.c", directory: "dir")
41!11 = distinct !DISubprogram(name: "qux", file: !3, unit: !2)
42