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=asm -O0 -mtriple=x86_64-apple-darwin < %s | FileCheck --check-prefix=DARWIN-ASM %s 6; RUN: llc -filetype=obj %s -mtriple=x86_64-apple-darwin -o %t2 7; RUN: llvm-dwarfdump %t2 | FileCheck %s -check-prefix=DARWIN-DWARF 8 9; Testing case generated from: 10; clang++ tu1.cpp tu2.cpp -g -emit-llvm -c 11; llvm-link tu1.bc tu2.bc -o tu12.ll -S 12; cat hdr.h 13; struct foo { 14; }; 15; cat tu1.cpp 16; #include "hdr.h" 17; foo f; 18; cat tu2.cpp 19; #include "hdr.h" 20; foo g; 21 22; Make sure we use relocation for ref_addr on non-darwin platforms. 23; CHECK: DW_TAG_compile_unit 24; CHECK: DW_TAG_variable 25; CHECK: .long [[TYPE:.*]] # DW_AT_type 26; CHECK: DW_TAG_structure_type 27; CHECK: cu_begin1 28; CHECK: DW_TAG_compile_unit 29; CHECK-NOT: DW_TAG_structure_type 30; This variable's type is in the 1st CU. 31; CHECK: DW_TAG_variable 32; Make sure this is relocatable. 33; CHECK: .quad .Lsection_info+[[TYPE]] # DW_AT_type 34; CHECK-NOT: DW_TAG_structure_type 35; CHECK: .section 36 37; test that we don't create useless labels 38; DARWIN-ASM: .long [[TYPE:.*]] ## DW_AT_type 39; DARWIN-ASM: .quad [[TYPE]] ## DW_AT_type 40 41; CHECK-DWARF: DW_TAG_compile_unit 42; CHECK-DWARF: 0x[[ADDR:.*]]: DW_TAG_structure_type 43; CHECK-DWARF: DW_TAG_compile_unit 44; CHECK-DWARF: DW_TAG_variable 45; CHECK-DWARF: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[ADDR]]) 46 47; DARWIN-DWARF: DW_TAG_compile_unit 48; DARWIN-DWARF: 0x[[ADDR:.*]]: DW_TAG_structure_type 49; DARWIN-DWARF: DW_TAG_compile_unit 50; DARWIN-DWARF: DW_TAG_variable 51; DARWIN-DWARF: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[ADDR]]) 52 53%struct.foo = type { i8 } 54 55@f = global %struct.foo zeroinitializer, align 1 56@g = global %struct.foo zeroinitializer, align 1 57 58!llvm.dbg.cu = !{!0, !9} 59!llvm.module.flags = !{!14, !15} 60 61!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 (trunk 191799)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !6, imports: !2) 62!1 = !DIFile(filename: "tu1.cpp", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr") 63!2 = !{} 64!3 = !{!4} 65!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 8, align: 8, file: !5, elements: !2, identifier: "_ZTS3foo") 66!5 = !DIFile(filename: "./hdr.h", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr") 67!6 = !{!7} 68!7 = !DIGlobalVariable(name: "f", line: 2, isLocal: false, isDefinition: true, scope: null, file: !8, type: !4, variable: %struct.foo* @f) 69!8 = !DIFile(filename: "tu1.cpp", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr") 70!9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 (trunk 191799)", isOptimized: false, emissionKind: FullDebug, file: !10, enums: !2, retainedTypes: !3, globals: !11, imports: !2) 71!10 = !DIFile(filename: "tu2.cpp", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr") 72!11 = !{!12} 73!12 = !DIGlobalVariable(name: "g", line: 2, isLocal: false, isDefinition: true, scope: null, file: !13, type: !4, variable: %struct.foo* @g) 74!13 = !DIFile(filename: "tu2.cpp", directory: "/Users/manmanren/test-Nov/type_unique_air/ref_addr") 75!14 = !{i32 2, !"Dwarf Version", i32 2} 76!15 = !{i32 1, !"Debug Info Version", i32 3} 77