1 ; REQUIRES: default_triple, object-emission 2 3 ; RUN: llvm-link %s %p/type-unique-simple-b.ll -S -o %t 4 ; RUN: cat %t | FileCheck %s -check-prefix=LINK 5 ; RUN: %llc_dwarf -filetype=obj -O0 < %t > %t2 6 ; RUN: llvm-dwarfdump -debug-dump=info %t2 | FileCheck %s 7 8 ; Make sure the backend generates a single DIE and uses ref_addr. 9 ; CHECK: 0x[[BASE:.*]]: DW_TAG_structure_type 10 ; CHECK-NEXT: DW_AT_name {{.*}} = "Base" 11 ; CHECK-NOT: DW_TAG_structure_type 12 ; CHECK: 0x[[INT:.*]]: DW_TAG_base_type 13 ; CHECK-NEXT: DW_AT_name {{.*}} = "int" 14 ; CHECK-NOT: DW_TAG_base_type 15 16 ; CHECK: DW_TAG_compile_unit 17 ; CHECK: DW_TAG_formal_parameter 18 ; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[INT]]) 19 ; CHECK: DW_TAG_variable 20 ; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[BASE]]) 21 22 ; Make sure llvm-link only generates a single copy of the struct. 23 ; LINK: DW_TAG_structure_type 24 ; LINK-NOT: DW_TAG_structure_type 25 ; Content of header files: 26 ; struct Base { 27 ; int a; 28 ; }; 29 ; Content of foo.cpp: 30 ; 31 ; #include "a.hpp" 32 ; void f(int a) { 33 ; Base t; 34 ; } 35 ; Content of bar.cpp: 36 ; 37 ; #include "a.hpp" 38 ; void f(int); 39 ; void g(int a) { 40 ; Base t; 41 ; } 42 ; int main() { 43 ; f(0); 44 ; g(1); 45 ; return 0; 46 ; } 47 ; ModuleID = 'foo.cpp' 48 49 %struct.Base = type { i32 } 50 51 ; Function Attrs: nounwind ssp uwtable 52 define void @_Z1fi(i32 %a) #0 !dbg !10 { 53 entry: 54 %a.addr = alloca i32, align 4 55 %t = alloca %struct.Base, align 4 56 store i32 %a, i32* %a.addr, align 4 57 call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !15, metadata !DIExpression()), !dbg !16 58 call void @llvm.dbg.declare(metadata %struct.Base* %t, metadata !17, metadata !DIExpression()), !dbg !18 59 ret void, !dbg !19 60 } 61 62 ; Function Attrs: nounwind readnone 63 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 64 65 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 66 attributes #1 = { nounwind readnone } 67 68 !llvm.dbg.cu = !{!0} 69 !llvm.module.flags = !{!14, !20} 70 71 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !3, subprograms: !9, globals: !2, imports: !2) 72 !1 = !DIFile(filename: "foo.cpp", directory: "/Users/mren/c_testing/type_unique_air/simple") 73 !2 = !{} 74 !3 = !{!4} 75 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "Base", line: 1, size: 32, align: 32, file: !5, elements: !6, identifier: "_ZTS4Base") 76 !5 = !DIFile(filename: "./a.hpp", directory: "/Users/mren/c_testing/type_unique_air/simple") 77 !6 = !{!7} 78 !7 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !5, scope: !"_ZTS4Base", baseType: !8) 79 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 80 !9 = !{!10} 81 !10 = distinct !DISubprogram(name: "f", linkageName: "_Z1fi", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !11, type: !12, variables: !2) 82 !11 = !DIFile(filename: "foo.cpp", directory: "/Users/mren/c_testing/type_unique_air/simple") 83 !12 = !DISubroutineType(types: !13) 84 !13 = !{null, !8} 85 !14 = !{i32 2, !"Dwarf Version", i32 2} 86 !15 = !DILocalVariable(name: "a", line: 3, arg: 1, scope: !10, file: !11, type: !8) 87 !16 = !DILocation(line: 3, scope: !10) 88 !17 = !DILocalVariable(name: "t", line: 4, scope: !10, file: !11, type: !4) 89 !18 = !DILocation(line: 4, scope: !10) 90 !19 = !DILocation(line: 5, scope: !10) 91 !20 = !{i32 1, !"Debug Info Version", i32 3} 92
