1 ; RUN: %llc_dwarf -O0 -filetype=obj %s -o %t
2 ; RUN: llvm-dwarfdump %t | FileCheck %s
4 ; Check that we emit ranges for this CU since we have a function with and
6 ; Note: This depends upon the order of output in the .o file. Currently it's
7 ; in order of the output to make sure that the CU has multiple ranges since
8 ; there's a function in the middle. If they were together then it would have
9 ; a single range and no DW_AT_ranges.
10 ; CHECK: DW_TAG_compile_unit
12 ; CHECK: DW_TAG_subprogram
13 ; CHECK: DW_TAG_subprogram
15 ; Function Attrs: nounwind uwtable
16 define i32 @b(i32 %c) #0 !dbg !5 {
18 %c.addr = alloca i32, align 4
19 store i32 %c, ptr %c.addr, align 4
20 call void @llvm.dbg.declare(metadata ptr %c.addr, metadata !13, metadata !DIExpression()), !dbg !14
21 %0 = load i32, ptr %c.addr, align 4, !dbg !14
22 %add = add nsw i32 %0, 1, !dbg !14
23 ret i32 %add, !dbg !14
26 ; Function Attrs: nounwind uwtable
27 define i32 @a(i32 %b) #0 {
29 %b.addr = alloca i32, align 4
30 store i32 %b, ptr %b.addr, align 4
31 %0 = load i32, ptr %b.addr, align 4
32 %add = add nsw i32 %0, 1
36 ; Function Attrs: nounwind readnone
37 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
39 ; Function Attrs: nounwind uwtable
40 define i32 @d(i32 %e) #0 !dbg !10 {
42 %e.addr = alloca i32, align 4
43 store i32 %e, ptr %e.addr, align 4
44 call void @llvm.dbg.declare(metadata ptr %e.addr, metadata !15, metadata !DIExpression()), !dbg !16
45 %0 = load i32, ptr %e.addr, align 4, !dbg !16
46 %add = add nsw i32 %0, 1, !dbg !16
47 ret i32 %add, !dbg !16
50 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
51 attributes #1 = { nounwind readnone }
53 !llvm.ident = !{!0, !0}
55 !llvm.module.flags = !{!11, !12}
57 !0 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
58 !1 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", isOptimized: false, emissionKind: FullDebug, file: !2, enums: !3, retainedTypes: !3, globals: !3, imports: !3)
59 !2 = !DIFile(filename: "b.c", directory: "/usr/local/google/home/echristo")
61 !5 = distinct !DISubprogram(name: "b", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !1, scopeLine: 1, file: !2, scope: !6, type: !7, retainedNodes: !3)
62 !6 = !DIFile(filename: "b.c", directory: "/usr/local/google/home/echristo")
63 !7 = !DISubroutineType(types: !8)
65 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
66 !10 = distinct !DISubprogram(name: "d", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !1, scopeLine: 3, file: !2, scope: !6, type: !7, retainedNodes: !3)
67 !11 = !{i32 2, !"Dwarf Version", i32 4}
68 !12 = !{i32 1, !"Debug Info Version", i32 3}
69 !13 = !DILocalVariable(name: "c", line: 1, arg: 1, scope: !5, file: !6, type: !9)
70 !14 = !DILocation(line: 1, scope: !5)
71 !15 = !DILocalVariable(name: "e", line: 3, arg: 1, scope: !10, file: !6, type: !9)
72 !16 = !DILocation(line: 3, scope: !10)