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: 0, file: !1, enums: !2, retainedTypes: !3, subprograms: !2, 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: 0, file: !10, enums: !2, retainedTypes: !3, subprograms: !2, 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
