1 ; REQUIRES: object-emission
2 ; RUN: %llc_dwarf -O0 -filetype=obj %s -o %t
3 ; RUN: llvm-dwarfdump %t | FileCheck %s
5 ; Check that we emit ranges for this CU since we have a function with and
7 ; Note: This depends upon the order of output in the .o file. Currently it's
8 ; in order of the output to make sure that the CU has multiple ranges since
9 ; there's a function in the middle. If they were together then it would have
10 ; a single range and no DW_AT_ranges.
11 ; CHECK: DW_TAG_compile_unit
13 ; CHECK: DW_TAG_subprogram
14 ; CHECK: DW_TAG_subprogram
16 ; Function Attrs: nounwind uwtable
17 define i32 @b(i32 %c) #0 {
19 %c.addr = alloca i32, align 4
20 store i32 %c, i32* %c.addr, align 4
21 call void @llvm.dbg.declare(metadata i32* %c.addr, metadata !13, metadata !{!"0x102"}), !dbg !14
22 %0 = load i32, i32* %c.addr, align 4, !dbg !14
23 %add = add nsw i32 %0, 1, !dbg !14
24 ret i32 %add, !dbg !14
27 ; Function Attrs: nounwind uwtable
28 define i32 @a(i32 %b) #0 {
30 %b.addr = alloca i32, align 4
31 store i32 %b, i32* %b.addr, align 4
32 %0 = load i32, i32* %b.addr, align 4
33 %add = add nsw i32 %0, 1
37 ; Function Attrs: nounwind readnone
38 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
40 ; Function Attrs: nounwind uwtable
41 define i32 @d(i32 %e) #0 {
43 %e.addr = alloca i32, align 4
44 store i32 %e, i32* %e.addr, align 4
45 call void @llvm.dbg.declare(metadata i32* %e.addr, metadata !15, metadata !{!"0x102"}), !dbg !16
46 %0 = load i32, i32* %e.addr, align 4, !dbg !16
47 %add = add nsw i32 %0, 1, !dbg !16
48 ret i32 %add, !dbg !16
51 attributes #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" }
52 attributes #1 = { nounwind readnone }
54 !llvm.ident = !{!0, !0}
56 !llvm.module.flags = !{!11, !12}
58 !0 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
59 !1 = !{!"0x11\0012\00clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)\000\00\000\00\001", !2, !3, !3, !4, !3, !3} ; [ DW_TAG_compile_unit ]
60 !2 = !{!"b.c", !"/usr/local/google/home/echristo"}
63 !5 = !{!"0x2e\00b\00b\00\001\000\001\000\006\00256\000\001", !2, !6, !7, null, i32 (i32)* @b, null, null, !3} ; [ DW_TAG_subprogram ] [line 1] [def] [b]
64 !6 = !{!"0x29", !2} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/b.c]
65 !7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
67 !9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
68 !10 = !{!"0x2e\00d\00d\00\003\000\001\000\006\00256\000\003", !2, !6, !7, null, i32 (i32)* @d, null, null, !3} ; [ DW_TAG_subprogram ] [line 3] [def] [d]
69 !11 = !{i32 2, !"Dwarf Version", i32 4}
70 !12 = !{i32 1, !"Debug Info Version", i32 2}
71 !13 = !{!"0x101\00c\0016777217\000", !5, !6, !9} ; [ DW_TAG_arg_variable ] [c] [line 1]
72 !14 = !MDLocation(line: 1, scope: !5)
73 !15 = !{!"0x101\00e\0016777219\000", !10, !6, !9} ; [ DW_TAG_arg_variable ] [e] [line 3]
74 !16 = !MDLocation(line: 3, scope: !10)