1 ; REQUIRES: object-emission
3 ; RUN: llvm-link %s %p/type-unique-odr-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
5 ; Test ODR-based type uniquing for C++ class members.
6 ; rdar://problem/15851313.
8 ; $ cat -n type-unique-odr-a.cpp
15 ; 7 static void bar() {
19 ; 11 void baz() { bar(); }
22 ; return A().getFoo();
25 ; CHECK: DW_TAG_class_type
26 ; CHECK-NEXT: DW_AT_name {{.*}} "A"
28 ; CHECK: DW_TAG_member
29 ; CHECK-NEXT: DW_AT_name {{.*}} "data"
31 ; CHECK: DW_TAG_subprogram
33 ; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1A6getFooEv"
35 ; CHECK: DW_AT_name {{.*}} "getFoo"
36 ; CHECK: DW_TAG_subprogram
38 ; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_Z3bazv"
39 ; CHECK: DW_TAG_subprogram
41 ; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZL3barv"
43 ; getFoo and A may only appear once.
44 ; CHECK-NOT: AT_name{{.*(getFoo)|("A")}}
47 ; ModuleID = 'type-unique-odr-a.cpp'
49 %class.A = type { i32 }
51 ; Function Attrs: nounwind
52 define void @_Z3bazv() #0 {
54 call void @_ZL3barv(), !dbg !23
58 ; Function Attrs: nounwind
59 define internal void @_ZL3barv() #0 {
61 %a = alloca %class.A, align 4
62 call void @llvm.dbg.declare(metadata %class.A* %a, metadata !24, metadata !{!"0x102"}), !dbg !25
66 ; Function Attrs: nounwind readnone
67 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
69 attributes #0 = { nounwind }
70 attributes #1 = { nounwind readnone }
73 !llvm.module.flags = !{!20, !21}
76 !0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !3, !14, !2, !2} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
77 !1 = !{!"<unknown>", !""}
80 !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 ]
81 !5 = !{!"type-unique-odr-a.cpp", !""}
83 !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]
84 !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]
85 !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]
86 !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 ]
88 !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]
91 !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]
92 !16 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [type-unique-odr-a.cpp]
93 !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 ]
95 !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]
96 !20 = !{i32 2, !"Dwarf Version", i32 4}
97 !21 = !{i32 1, !"Debug Info Version", i32 2}
98 !22 = !{!"clang version 3.5.0 "}
99 !23 = !{i32 11, i32 0, !15, null}
100 !24 = !{!"0x100\00a\008\000", !19, !16, !"_ZTS1A"} ; [ DW_TAG_auto_variable ] [a] [line 8]
101 !25 = !{i32 8, i32 0, !19, null}
102 !26 = !{i32 9, i32 0, !19, null}