; REQUIRES: object-emission ; ; RUN: llvm-link %s %p/type-unique-odr-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s ; ; Test ODR-based type uniquing for C++ class members. ; rdar://problem/15851313. ; ; $ cat -n type-unique-odr-a.cpp ; 1 class A { ; 2 int data; ; 3 protected: ; 4 void getFoo(); ; 5 }; ; 6 ; 7 static void bar() { ; 8 A a; ; 9 } ; 10 ; 11 void baz() { bar(); } ;; #include "ab.h" ; foo_t bar() { ; return A().getFoo(); ; } ; ; CHECK: DW_TAG_class_type ; CHECK-NEXT: DW_AT_name {{.*}} "A" ; CHECK-NOT: DW_TAG ; CHECK: DW_TAG_member ; CHECK-NEXT: DW_AT_name {{.*}} "data" ; CHECK-NOT: DW_TAG ; CHECK: DW_TAG_subprogram ; CHECK-NOT: DW_TAG ; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1A6getFooEv" ; CHECK-NOT: DW_TAG ; CHECK: DW_AT_name {{.*}} "getFoo" ; CHECK: DW_TAG_subprogram ; CHECK-NOT: DW_TAG ; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_Z3bazv" ; CHECK: DW_TAG_subprogram ; CHECK-NOT: DW_TAG ; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZL3barv" ; getFoo and A may only appear once. ; CHECK-NOT: AT_name{{.*(getFoo)|("A")}} ; ModuleID = 'type-unique-odr-a.cpp' %class.A = type { i32 } ; Function Attrs: nounwind define void @_Z3bazv() #0 { entry: call void @_ZL3barv(), !dbg !23 ret void, !dbg !23 } ; Function Attrs: nounwind define internal void @_ZL3barv() #0 { entry: %a = alloca %class.A, align 4 call void @llvm.dbg.declare(metadata %class.A* %a, metadata !24, metadata !{!"0x102"}), !dbg !25 ret void, !dbg !26 } ; Function Attrs: nounwind readnone declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 attributes #0 = { nounwind } attributes #1 = { nounwind readnone } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!20, !21} !llvm.ident = !{!22} !0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !3, !14, !2, !2} ; [ DW_TAG_compile_unit ] [] [DW_LANG_C_plus_plus] !1 = !{!"", !""} !2 = !{} !3 = !{!4} !4 = !{!"0x2\00A\001\0032\0032\000\000\000", !5, null, null, !6, null, null, !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ] !5 = !{!"type-unique-odr-a.cpp", !""} !6 = !{!7, !9} !7 = !{!"0xd\00data\002\0032\0032\000\001", !5, !"_ZTS1A", !8} ; [ DW_TAG_member ] [data] [line 2, size 32, align 32, offset 0] [private] [from int] !8 = !{!"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] !9 = !{!"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\004\000\000\000\006\00258\000\004", !5, !"_ZTS1A", !10, null, null, null, i32 0, !13} ; [ DW_TAG_subprogram ] [line 4] [protected] [getFoo] !10 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !11 = !{null, !12} !12 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] !13 = !{i32 786468} !14 = !{!15, !19} !15 = !{!"0x2e\00baz\00baz\00_Z3bazv\0011\000\001\000\006\00256\000\0011", !5, !16, !17, null, void ()* @_Z3bazv, null, null, !2} ; [ DW_TAG_subprogram ] [line 11] [def] [baz] !16 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [type-unique-odr-a.cpp] !17 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !18 = !{null} !19 = !{!"0x2e\00bar\00bar\00_ZL3barv\007\001\001\000\006\00256\000\007", !5, !16, !17, null, void ()* @_ZL3barv, null, null, !2} ; [ DW_TAG_subprogram ] [line 7] [local] [def] [bar] !20 = !{i32 2, !"Dwarf Version", i32 4} !21 = !{i32 1, !"Debug Info Version", i32 2} !22 = !{!"clang version 3.5.0 "} !23 = !MDLocation(line: 11, scope: !15) !24 = !{!"0x100\00a\008\000", !19, !16, !"_ZTS1A"} ; [ DW_TAG_auto_variable ] [a] [line 8] !25 = !MDLocation(line: 8, scope: !19) !26 = !MDLocation(line: 9, scope: !19)