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1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf -dwarf-version=2 -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK --check-prefix=V2 %s
4; RUN: %llc_dwarf -dwarf-version=3 -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK --check-prefix=V3 %s
5
6; CHECK: DW_AT_name {{.*}} "dst"
7; V2: DW_AT_type {{.*}} {[[PTR:0x.*]]}
8; V3: DW_AT_type {{.*}} {[[RESTRICT:0x.*]]}
9; V3: [[RESTRICT]]: {{.*}}DW_TAG_restrict_type
10; V3-NEXT: DW_AT_type {{.*}} {[[PTR:0x.*]]}
11; CHECK: [[PTR]]: {{.*}}DW_TAG_pointer_type
12; CHECK-NOT: DW_AT_type
13
14; Generated with clang from:
15; void foo(void* __restrict__ dst) {
16; }
17
18
19; Function Attrs: nounwind uwtable
20define void @_Z3fooPv(i8* noalias %dst) #0 !dbg !4 {
21entry:
22  %dst.addr = alloca i8*, align 8
23  store i8* %dst, i8** %dst.addr, align 8
24  call void @llvm.dbg.declare(metadata i8** %dst.addr, metadata !13, metadata !DIExpression()), !dbg !14
25  ret void, !dbg !15
26}
27
28; Function Attrs: nounwind readnone
29declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
30
31attributes #0 = { nounwind 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" }
32attributes #1 = { nounwind readnone }
33
34!llvm.dbg.cu = !{!0}
35!llvm.module.flags = !{!10, !11}
36!llvm.ident = !{!12}
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: "restrict.c", directory: "/tmp/dbginfo")
40!2 = !{}
41!4 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooPv", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
42!5 = !DIFile(filename: "restrict.c", directory: "/tmp/dbginfo")
43!6 = !DISubroutineType(types: !7)
44!7 = !{null, !8}
45!8 = !DIDerivedType(tag: DW_TAG_restrict_type, baseType: !9)
46!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null)
47!10 = !{i32 2, !"Dwarf Version", i32 4}
48!11 = !{i32 1, !"Debug Info Version", i32 3}
49!12 = !{!"clang version 3.5.0 "}
50!13 = !DILocalVariable(name: "dst", line: 1, arg: 1, scope: !4, file: !5, type: !8)
51!14 = !DILocation(line: 1, scope: !4)
52!15 = !DILocation(line: 2, scope: !4)
53