1; RUN: llc -filetype=asm -O0 -mtriple=x86_64-linux-gnu < %s | FileCheck %s 2; RUN: llc -filetype=obj -O0 %s -mtriple=x86_64-linux-gnu -o %t 3; RUN: llvm-dwarfdump %t | FileCheck %s -check-prefix=CHECK-DWARF 4 5; RUN: llc -filetype=obj %s -mtriple=x86_64-apple-darwin -o %t2 6; RUN: llvm-dwarfdump %t2 | FileCheck %s -check-prefix=DARWIN-DWARF 7 8; Testing case generated from: 9; clang++ tu1.cpp tu2.cpp -g -emit-llvm -c 10; llvm-link tu1.bc tu2.bc -o tu12.ll -S 11; cat hdr.h 12; struct foo { 13; }; 14; cat tu1.cpp 15; #include "hdr.h" 16; foo f; 17; cat tu2.cpp 18; #include "hdr.h" 19; foo g; 20 21; Make sure we use relocation for ref_addr on non-darwin platforms. 22; CHECK: DW_TAG_compile_unit 23; CHECK: DW_TAG_variable 24; CHECK: .long [[TYPE:.*]] # DW_AT_type 25; CHECK: DW_TAG_structure_type 26; CHECK: debug_info_end0 27; CHECK: DW_TAG_compile_unit 28; CHECK-NOT: DW_TAG_structure_type 29; This variable's type is in the 1st CU. 30; CHECK: DW_TAG_variable 31; Make sure this is relocatable. 32; CHECK: .quad .Lsection_info+[[TYPE]] # DW_AT_type 33; CHECK-NOT: DW_TAG_structure_type 34; CHECK: debug_info_end1 35 36; CHECK-DWARF: DW_TAG_compile_unit 37; CHECK-DWARF: 0x[[ADDR:.*]]: DW_TAG_structure_type 38; CHECK-DWARF: DW_TAG_compile_unit 39; CHECK-DWARF: DW_TAG_variable 40; CHECK-DWARF: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[ADDR]]) 41 42; DARWIN-DWARF: DW_TAG_compile_unit 43; DARWIN-DWARF: 0x[[ADDR:.*]]: DW_TAG_structure_type 44; DARWIN-DWARF: DW_TAG_compile_unit 45; DARWIN-DWARF: DW_TAG_variable 46; DARWIN-DWARF: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[ADDR]]) 47 48%struct.foo = type { i8 } 49 50@f = global %struct.foo zeroinitializer, align 1 51@g = global %struct.foo zeroinitializer, align 1 52 53!llvm.dbg.cu = !{!0, !9} 54!llvm.module.flags = !{!14, !15} 55 56!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (trunk 191799)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !2, metadata !6, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu1.cpp] [DW_LANG_C_plus_plus] 57!1 = metadata !{metadata !"tu1.cpp", metadata !"/Users/manmanren/test-Nov/type_unique_air/ref_addr"} 58!2 = metadata !{} 59!3 = metadata !{metadata !4} 60!4 = metadata !{i32 786451, metadata !5, null, metadata !"foo", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null, metadata !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] [line 1, size 8, align 8, offset 0] [def] [from ] 61!5 = metadata !{metadata !"./hdr.h", metadata !"/Users/manmanren/test-Nov/type_unique_air/ref_addr"} 62!6 = metadata !{metadata !7} 63!7 = metadata !{i32 786484, i32 0, null, metadata !"f", metadata !"f", metadata !"", metadata !8, i32 2, metadata !4, i32 0, i32 1, %struct.foo* @f, null} ; [ DW_TAG_variable ] [f] [line 2] [def] 64!8 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu1.cpp] 65!9 = metadata !{i32 786449, metadata !10, i32 4, metadata !"clang version 3.4 (trunk 191799)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !2, metadata !11, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu2.cpp] [DW_LANG_C_plus_plus] 66!10 = metadata !{metadata !"tu2.cpp", metadata !"/Users/manmanren/test-Nov/type_unique_air/ref_addr"} 67!11 = metadata !{metadata !12} 68!12 = metadata !{i32 786484, i32 0, null, metadata !"g", metadata !"g", metadata !"", metadata !13, i32 2, metadata !4, i32 0, i32 1, %struct.foo* @g, null} ; [ DW_TAG_variable ] [g] [line 2] [def] 69!13 = metadata !{i32 786473, metadata !10} ; [ DW_TAG_file_type ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu2.cpp] 70!14 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} 71!15 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 72