| ; REQUIRES: object-emission |
| |
| ; RUN: llc -mtriple x86_64-pc-linux -O0 -filetype=obj %s -o %t |
| ; RUN: llvm-dwarfdump %t | FileCheck %s |
| |
| ; Testcase from: |
| ; struct base { |
| ; virtual ~base(); |
| ; }; |
| ; struct foo { |
| ; base b; |
| ; }; |
| ; foo f; |
| |
| ; Where member b should be seen as a field at an offset and not a bitfield. |
| |
| ; CHECK: DW_TAG_member |
| ; CHECK: DW_AT_name{{.*}}"b" |
| ; CHECK-NOT: DW_AT_bit_offset |
| |
| %struct.foo = type { %struct.base } |
| %struct.base = type { i32 (...)** } |
| @f = global %struct.foo zeroinitializer, align 8 |
| @__dso_handle = external global i8 |
| @_ZTV4base = external unnamed_addr constant [4 x i8*] |
| @llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }] |
| |
| define internal void @__cxx_global_var_init() section ".text.startup" { |
| entry: |
| call void @_ZN3fooC2Ev(%struct.foo* @f) #2, !dbg !35 |
| %0 = call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.foo*)* @_ZN3fooD2Ev to void (i8*)*), i8* bitcast (%struct.foo* @f to i8*), i8* @__dso_handle) #2, !dbg !35 |
| ret void, !dbg !35 |
| } |
| |
| ; Function Attrs: inlinehint nounwind uwtable |
| define linkonce_odr void @_ZN3fooC2Ev(%struct.foo* %this) unnamed_addr #0 align 2 { |
| entry: |
| %this.addr = alloca %struct.foo*, align 8 |
| store %struct.foo* %this, %struct.foo** %this.addr, align 8 |
| call void @llvm.dbg.declare(metadata !{%struct.foo** %this.addr}, metadata !36), !dbg !38 |
| %this1 = load %struct.foo** %this.addr |
| %b = getelementptr inbounds %struct.foo* %this1, i32 0, i32 0, !dbg !39 |
| call void @_ZN4baseC2Ev(%struct.base* %b) #2, !dbg !39 |
| ret void, !dbg !39 |
| } |
| |
| ; Function Attrs: inlinehint uwtable |
| define linkonce_odr void @_ZN3fooD2Ev(%struct.foo* %this) unnamed_addr #1 align 2 { |
| entry: |
| %this.addr = alloca %struct.foo*, align 8 |
| store %struct.foo* %this, %struct.foo** %this.addr, align 8 |
| call void @llvm.dbg.declare(metadata !{%struct.foo** %this.addr}, metadata !40), !dbg !41 |
| %this1 = load %struct.foo** %this.addr |
| %b = getelementptr inbounds %struct.foo* %this1, i32 0, i32 0, !dbg !42 |
| call void @_ZN4baseD1Ev(%struct.base* %b), !dbg !42 |
| ret void, !dbg !44 |
| } |
| |
| ; Function Attrs: nounwind |
| declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) #2 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata) #3 |
| |
| declare void @_ZN4baseD1Ev(%struct.base*) #4 |
| |
| ; Function Attrs: inlinehint nounwind uwtable |
| define linkonce_odr void @_ZN4baseC2Ev(%struct.base* %this) unnamed_addr #0 align 2 { |
| entry: |
| %this.addr = alloca %struct.base*, align 8 |
| store %struct.base* %this, %struct.base** %this.addr, align 8 |
| call void @llvm.dbg.declare(metadata !{%struct.base** %this.addr}, metadata !45), !dbg !47 |
| %this1 = load %struct.base** %this.addr |
| %0 = bitcast %struct.base* %this1 to i8***, !dbg !48 |
| store i8** getelementptr inbounds ([4 x i8*]* @_ZTV4base, i64 0, i64 2), i8*** %0, !dbg !48 |
| ret void, !dbg !48 |
| } |
| |
| define internal void @_GLOBAL__I_a() section ".text.startup" { |
| entry: |
| call void @__cxx_global_var_init(), !dbg !49 |
| ret void, !dbg !49 |
| } |
| |
| attributes #0 = { inlinehint 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" } |
| attributes #1 = { inlinehint 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" } |
| attributes #2 = { nounwind } |
| attributes #3 = { nounwind readnone } |
| attributes #4 = { "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" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!32, !33} |
| !llvm.ident = !{!34} |
| |
| !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 (trunk 203673) (llvm/trunk 203681)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !8, metadata !30, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/foo.cc] [DW_LANG_C_plus_plus] |
| !1 = metadata !{metadata !"foo.cc", metadata !"/usr/local/google/home/echristo"} |
| !2 = metadata !{} |
| !3 = metadata !{metadata !4, metadata !7} |
| !4 = metadata !{i32 786451, metadata !1, null, metadata !"foo", i32 5, i64 64, i64 64, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] [line 5, size 64, align 64, offset 0] [def] [from ] |
| !5 = metadata !{metadata !6} |
| !6 = metadata !{i32 786445, metadata !1, metadata !"_ZTS3foo", metadata !"b", i32 6, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS4base"} ; [ DW_TAG_member ] [b] [line 6, size 64, align 64, offset 0] [from _ZTS4base] |
| !7 = metadata !{i32 786451, metadata !1, null, metadata !"base", i32 1, i64 0, i64 0, i32 0, i32 4, null, null, i32 0, null, null, metadata !"_ZTS4base"} ; [ DW_TAG_structure_type ] [base] [line 1, size 0, align 0, offset 0] [decl] [from ] |
| !8 = metadata !{metadata !9, metadata !13, metadata !19, metadata !22, metadata !28} |
| !9 = metadata !{i32 786478, metadata !1, metadata !10, metadata !"__cxx_global_var_init", metadata !"__cxx_global_var_init", metadata !"", i32 9, metadata !11, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @__cxx_global_var_init, null, null, metadata !2, i32 9} ; [ DW_TAG_subprogram ] [line 9] [local] [def] [__cxx_global_var_init] |
| !10 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/foo.cc] |
| !11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !12 = metadata !{null} |
| !13 = metadata !{i32 786478, metadata !1, metadata !"_ZTS3foo", metadata !"~foo", metadata !"~foo", metadata !"_ZN3fooD2Ev", i32 5, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%struct.foo*)* @_ZN3fooD2Ev, null, metadata !17, metadata !2, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [~foo] |
| !14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !15 = metadata !{null, metadata !16} |
| !16 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS3foo"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS3foo] |
| !17 = metadata !{i32 786478, null, metadata !"_ZTS3foo", metadata !"~foo", metadata !"~foo", metadata !"", i32 0, metadata !14, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !18, i32 0} ; [ DW_TAG_subprogram ] [line 0] [~foo] |
| !18 = metadata !{i32 786468} |
| !19 = metadata !{i32 786478, metadata !1, metadata !"_ZTS3foo", metadata !"foo", metadata !"foo", metadata !"_ZN3fooC2Ev", i32 5, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%struct.foo*)* @_ZN3fooC2Ev, null, metadata !20, metadata !2, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [foo] |
| !20 = metadata !{i32 786478, null, metadata !"_ZTS3foo", metadata !"foo", metadata !"foo", metadata !"", i32 0, metadata !14, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !21, i32 0} ; [ DW_TAG_subprogram ] [line 0] [foo] |
| !21 = metadata !{i32 786468} |
| !22 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4base", metadata !"base", metadata !"base", metadata !"_ZN4baseC2Ev", i32 1, metadata !23, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%struct.base*)* @_ZN4baseC2Ev, null, metadata !26, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [base] |
| !23 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !24, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !24 = metadata !{null, metadata !25} |
| !25 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS4base"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS4base] |
| !26 = metadata !{i32 786478, null, metadata !"_ZTS4base", metadata !"base", metadata !"base", metadata !"", i32 0, metadata !23, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !27, i32 0} ; [ DW_TAG_subprogram ] [line 0] [base] |
| !27 = metadata !{i32 786468} |
| !28 = metadata !{i32 786478, metadata !1, metadata !10, metadata !"", metadata !"", metadata !"_GLOBAL__I_a", i32 1, metadata !29, i1 true, i1 true, i32 0, i32 0, null, i32 64, i1 false, void ()* @_GLOBAL__I_a, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [local] [def] |
| !29 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !2, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !30 = metadata !{metadata !31} |
| !31 = metadata !{i32 786484, i32 0, null, metadata !"f", metadata !"f", metadata !"", metadata !10, i32 9, metadata !4, i32 0, i32 1, %struct.foo* @f, null} ; [ DW_TAG_variable ] [f] [line 9] [def] |
| !32 = metadata !{i32 2, metadata !"Dwarf Version", i32 4} |
| !33 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} |
| !34 = metadata !{metadata !"clang version 3.5.0 (trunk 203673) (llvm/trunk 203681)"} |
| !35 = metadata !{i32 9, i32 0, metadata !9, null} |
| !36 = metadata !{i32 786689, metadata !19, metadata !"this", null, i32 16777216, metadata !37, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] |
| !37 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS3foo"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS3foo] |
| !38 = metadata !{i32 0, i32 0, metadata !19, null} |
| !39 = metadata !{i32 5, i32 0, metadata !19, null} |
| !40 = metadata !{i32 786689, metadata !13, metadata !"this", null, i32 16777216, metadata !37, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] |
| !41 = metadata !{i32 0, i32 0, metadata !13, null} |
| !42 = metadata !{i32 5, i32 0, metadata !43, null} |
| !43 = metadata !{i32 786443, metadata !1, metadata !13, i32 5, i32 0, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/foo.cc] |
| !44 = metadata !{i32 5, i32 0, metadata !13, null} |
| !45 = metadata !{i32 786689, metadata !22, metadata !"this", null, i32 16777216, metadata !46, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] |
| !46 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS4base"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS4base] |
| !47 = metadata !{i32 0, i32 0, metadata !22, null} |
| !48 = metadata !{i32 1, i32 0, metadata !22, null} |
| !49 = metadata !{i32 1, i32 0, metadata !28, null} |