; 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, metadata !{!"0x102"}), !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, metadata !{!"0x102"}), !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, 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, metadata !{!"0x102"}), !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 = !{!"0x11\004\00clang version 3.5.0 (trunk 203673) (llvm/trunk 203681)\000\00\000\00\001", !1, !2, !3, !8, !30, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/foo.cc] [DW_LANG_C_plus_plus] !1 = !{!"foo.cc", !"/usr/local/google/home/echristo"} !2 = !{} !3 = !{!4, !7} !4 = !{!"0x13\00foo\005\0064\0064\000\000\000", !1, null, null, !5, null, null, !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] [line 5, size 64, align 64, offset 0] [def] [from ] !5 = !{!6} !6 = !{!"0xd\00b\006\0064\0064\000\000", !1, !"_ZTS3foo", !"_ZTS4base"} ; [ DW_TAG_member ] [b] [line 6, size 64, align 64, offset 0] [from _ZTS4base] !7 = !{!"0x13\00base\001\000\000\000\004\000", !1, null, null, null, null, null, !"_ZTS4base"} ; [ DW_TAG_structure_type ] [base] [line 1, size 0, align 0, offset 0] [decl] [from ] !8 = !{!9, !13, !19, !22, !28} !9 = !{!"0x2e\00__cxx_global_var_init\00__cxx_global_var_init\00\009\001\001\000\006\00256\000\009", !1, !10, !11, null, void ()* @__cxx_global_var_init, null, null, !2} ; [ DW_TAG_subprogram ] [line 9] [local] [def] [__cxx_global_var_init] !10 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/foo.cc] !11 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !12 = !{null} !13 = !{!"0x2e\00~foo\00~foo\00_ZN3fooD2Ev\005\000\001\000\006\00320\000\005", !1, !"_ZTS3foo", !14, null, void (%struct.foo*)* @_ZN3fooD2Ev, null, !17, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [~foo] !14 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !15 = !{null, !16} !16 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS3foo"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS3foo] !17 = !{!"0x2e\00~foo\00~foo\00\000\000\000\000\006\00320\000\000", null, !"_ZTS3foo", !14, null, null, null, i32 0, !18} ; [ DW_TAG_subprogram ] [line 0] [~foo] !18 = !{i32 786468} !19 = !{!"0x2e\00foo\00foo\00_ZN3fooC2Ev\005\000\001\000\006\00320\000\005", !1, !"_ZTS3foo", !14, null, void (%struct.foo*)* @_ZN3fooC2Ev, null, !20, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [foo] !20 = !{!"0x2e\00foo\00foo\00\000\000\000\000\006\00320\000\000", null, !"_ZTS3foo", !14, null, null, null, i32 0, !21} ; [ DW_TAG_subprogram ] [line 0] [foo] !21 = !{i32 786468} !22 = !{!"0x2e\00base\00base\00_ZN4baseC2Ev\001\000\001\000\006\00320\000\001", !1, !"_ZTS4base", !23, null, void (%struct.base*)* @_ZN4baseC2Ev, null, !26, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [base] !23 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !24, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !24 = !{null, !25} !25 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS4base"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS4base] !26 = !{!"0x2e\00base\00base\00\000\000\000\000\006\00320\000\000", null, !"_ZTS4base", !23, null, null, null, i32 0, !27} ; [ DW_TAG_subprogram ] [line 0] [base] !27 = !{i32 786468} !28 = !{!"0x2e\00\00\00_GLOBAL__I_a\001\001\001\000\006\0064\000\001", !1, !10, !29, null, void ()* @_GLOBAL__I_a, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [local] [def] !29 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !30 = !{!31} !31 = !{!"0x34\00f\00f\00\009\000\001", null, !10, !4, %struct.foo* @f, null} ; [ DW_TAG_variable ] [f] [line 9] [def] !32 = !{i32 2, !"Dwarf Version", i32 4} !33 = !{i32 1, !"Debug Info Version", i32 2} !34 = !{!"clang version 3.5.0 (trunk 203673) (llvm/trunk 203681)"} !35 = !MDLocation(line: 9, scope: !9) !36 = !{!"0x101\00this\0016777216\001088", !19, null, !37} ; [ DW_TAG_arg_variable ] [this] [line 0] !37 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS3foo"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS3foo] !38 = !MDLocation(line: 0, scope: !19) !39 = !MDLocation(line: 5, scope: !19) !40 = !{!"0x101\00this\0016777216\001088", !13, null, !37} ; [ DW_TAG_arg_variable ] [this] [line 0] !41 = !MDLocation(line: 0, scope: !13) !42 = !MDLocation(line: 5, scope: !43) !43 = !{!"0xb\005\000\000", !1, !13} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/foo.cc] !44 = !MDLocation(line: 5, scope: !13) !45 = !{!"0x101\00this\0016777216\001088", !22, null, !46} ; [ DW_TAG_arg_variable ] [this] [line 0] !46 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS4base"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS4base] !47 = !MDLocation(line: 0, scope: !22) !48 = !MDLocation(line: 1, scope: !22) !49 = !MDLocation(line: 1, scope: !28)