| ; 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: {{(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), !dbg !25 |
| ret void, !dbg !26 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata) #1 |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!20, !21} |
| !llvm.ident = !{!22} |
| |
| !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus] |
| !1 = metadata !{metadata !"<unknown>", metadata !""} |
| !2 = metadata !{} |
| !3 = metadata !{metadata !4} |
| !4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ] |
| !5 = metadata !{metadata !"type-unique-odr-a.cpp", metadata !""} |
| !6 = metadata !{metadata !7, metadata !9} |
| !7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1A", metadata !"data", i32 2, i64 32, i64 32, i64 0, i32 1, metadata !8} ; [ DW_TAG_member ] [data] [line 2, size 32, align 32, offset 0] [private] [from int] |
| !8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] |
| !9 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 4, metadata !10, i1 false, i1 false, i32 0, i32 0, null, i32 258, i1 false, null, null, i32 0, metadata !13, i32 4} ; [ DW_TAG_subprogram ] [line 4] [protected] [getFoo] |
| !10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !11 = metadata !{null, metadata !12} |
| !12 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] |
| !13 = metadata !{i32 786468} |
| !14 = metadata !{metadata !15, metadata !19} |
| !15 = metadata !{i32 786478, metadata !5, metadata !16, metadata !"baz", metadata !"baz", metadata !"_Z3bazv", i32 11, metadata !17, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3bazv, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [baz] |
| !16 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [type-unique-odr-a.cpp] |
| !17 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !18, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !18 = metadata !{null} |
| !19 = metadata !{i32 786478, metadata !5, metadata !16, metadata !"bar", metadata !"bar", metadata !"_ZL3barv", i32 7, metadata !17, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_ZL3barv, null, null, metadata !2, i32 7} ; [ DW_TAG_subprogram ] [line 7] [local] [def] [bar] |
| !20 = metadata !{i32 2, metadata !"Dwarf Version", i32 4} |
| !21 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} |
| !22 = metadata !{metadata !"clang version 3.5.0 "} |
| !23 = metadata !{i32 11, i32 0, metadata !15, null} |
| !24 = metadata !{i32 786688, metadata !19, metadata !"a", metadata !16, i32 8, metadata !"_ZTS1A", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 8] |
| !25 = metadata !{i32 8, i32 0, metadata !19, null} ; [ DW_TAG_imported_declaration ] |
| !26 = metadata !{i32 9, i32 0, metadata !19, null} |