| ; Make sure the backend generates a single DIE and uses ref_addr. |
| ; CHECK: 0x[[BASE:.*]]: DW_TAG_structure_type |
| ; CHECK-NEXT: DW_AT_name {{.*}} = "Base" |
| ; CHECK-NOT: DW_TAG_structure_type |
| ; CHECK: 0x[[INT:.*]]: DW_TAG_base_type |
| ; CHECK-NEXT: DW_AT_name {{.*}} = "int" |
| ; CHECK-NOT: DW_TAG_base_type |
| |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK: DW_TAG_formal_parameter |
| ; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[INT]] |
| ; CHECK: DW_TAG_variable |
| ; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[BASE]] |
| |
| ; Make sure llvm-link only generates a single copy of the struct. |
| ; LINK: DW_TAG_structure_type |
| ; LINK-NOT: DW_TAG_structure_type |
| |
| ; Content of header files: |
| ; struct Base { |
| ; int a; |
| ; Base *b; |
| ; }; |
| ; Content of foo.cpp: |
| ; |
| ; #include "a.hpp" |
| ; void f(int a) { |
| ; Base t; |
| ; } |
| ; Content of bar.cpp: |
| ; |
| ; #include "a.hpp" |
| ; void f(int); |
| ; void g(int a) { |
| ; Base t; |
| ; } |
| ; int main() { |
| ; f(0); |
| ; g(1); |
| ; return 0; |
| ; } |
| ; ModuleID = 'foo.cpp' |
| |
| %struct.Base = type { i32, %struct.Base* } |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define void @_Z1fi(i32 %a) #0 !dbg !12 { |
| entry: |
| %a.addr = alloca i32, align 4 |
| %t = alloca %struct.Base, align 8 |
| store i32 %a, i32* %a.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !17, metadata !DIExpression()), !dbg !18 |
| call void @llvm.dbg.declare(metadata %struct.Base* %t, metadata !19, metadata !DIExpression()), !dbg !20 |
| ret void, !dbg !21 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| 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" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!16, !22} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "foo.cpp", directory: ".") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "Base", line: 1, file: !5, elements: !6, identifier: "_ZTS4Base") |
| !5 = !DIFile(filename: "./a.hpp", directory: ".") |
| !6 = !{!7, !9} |
| !7 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !5, scope: !4, baseType: !8) |
| !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !9 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 64, align: 64, offset: 64, file: !5, scope: !4, baseType: !10) |
| !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4) |
| !12 = distinct !DISubprogram(name: "f", linkageName: "_Z1fi", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !13, type: !14, retainedNodes: !2) |
| !13 = !DIFile(filename: "foo.cpp", directory: ".") |
| !14 = !DISubroutineType(types: !15) |
| !15 = !{null, !8} |
| !16 = !{i32 2, !"Dwarf Version", i32 2} |
| !17 = !DILocalVariable(name: "a", line: 3, arg: 1, scope: !12, file: !13, type: !8) |
| !18 = !DILocation(line: 3, scope: !12) |
| !19 = !DILocalVariable(name: "t", line: 4, scope: !12, file: !13, type: !4) |
| !20 = !DILocation(line: 4, scope: !12) |
| !21 = !DILocation(line: 5, scope: !12) |
| !22 = !{i32 1, !"Debug Info Version", i32 3} |