1 ; RUN: llc -split-dwarf-file=foo.dwo -O0 %s -function-sections -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
2 ; RUN: llvm-dwarfdump -debug-abbrev %t | FileCheck --check-prefix=FUNCTION-SECTIONS %s
3 ; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=FUNCTION-SECTIONS-RELOCS %s
5 ; RUN: llc -split-dwarf-file=foo.dwo -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
6 ; RUN: llvm-dwarfdump -debug-abbrev %t | FileCheck --check-prefix=NO-FUNCTION-SECTIONS %s
8 ; RUN: llc -dwarf-version=5 -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
9 ; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=DWARF5 %s
19 ; With function sections enabled make sure that we have a DW_AT_ranges attribute.
20 ; FUNCTION-SECTIONS: DW_AT_ranges
22 ; Check that we have a relocation against the .debug_ranges section.
23 ; FUNCTION-SECTIONS-RELOCS: R_X86_64_32 .debug_ranges 0x0
25 ; Without function sections enabled make sure that we have no DW_AT_ranges attribute.
26 ; NO-FUNCTION-SECTIONS-NOT: DW_AT_ranges
27 ; NO-FUNCTION-SECTIONS: DW_AT_low_pc DW_FORM_addr
28 ; NO-FUNCTION-SECTIONS-NOT: DW_AT_ranges
30 ; For Dwarf 5 check that we neither generate DW_AT_rnglists_base for the CU DIE nor
31 ; a .debug_rnglists section. There is only 1 CU range with no scope ranges.
33 ; DWARF5: .debug_info contents:
34 ; DWARF5: DW_TAG_compile_unit
35 ; DWARF5-NOT: DW_AT_rnglists_base [DW_FORM_sec_offset]
36 ; DWARF5-NOT: .debug_rnglists contents:
38 ; Function Attrs: nounwind uwtable
39 define i32 @foo(i32 %a) #0 !dbg !4 {
41 %a.addr = alloca i32, align 4
42 store i32 %a, i32* %a.addr, align 4
43 call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !13, metadata !DIExpression()), !dbg !14
44 %0 = load i32, i32* %a.addr, align 4, !dbg !14
45 %add = add nsw i32 %0, 1, !dbg !14
46 ret i32 %add, !dbg !14
49 ; Function Attrs: nounwind readnone
50 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
52 ; Function Attrs: nounwind uwtable
53 define i32 @bar(i32 %b) #0 !dbg !9 {
55 %b.addr = alloca i32, align 4
56 store i32 %b, i32* %b.addr, align 4
57 call void @llvm.dbg.declare(metadata i32* %b.addr, metadata !15, metadata !DIExpression()), !dbg !16
58 %0 = load i32, i32* %b.addr, align 4, !dbg !16
59 %add = add nsw i32 %0, 2, !dbg !16
60 ret i32 %add, !dbg !16
63 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" }
64 attributes #1 = { nounwind readnone }
67 !llvm.module.flags = !{!10, !11}
70 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
71 !1 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")
73 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
74 !5 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")
75 !6 = !DISubroutineType(types: !7)
77 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
78 !9 = distinct !DISubprogram(name: "bar", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, retainedNodes: !2)
79 !10 = !{i32 2, !"Dwarf Version", i32 4}
80 !11 = !{i32 1, !"Debug Info Version", i32 3}
81 !12 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
82 !13 = !DILocalVariable(name: "a", line: 1, arg: 1, scope: !4, file: !5, type: !8)
83 !14 = !DILocation(line: 1, scope: !4)
84 !15 = !DILocalVariable(name: "b", line: 2, arg: 1, scope: !9, file: !5, type: !8)
85 !16 = !DILocation(line: 2, scope: !9)