1 ; REQUIRES: 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 { 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), !dbg !16 58 call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !17), !dbg !18 59 ret void, !dbg !19 60 } 61 62 ; Function Attrs: nounwind readnone 63 declare void @llvm.dbg.declare(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 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !9, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] [DW_LANG_C_plus_plus] 72 !1 = metadata !{metadata !"foo.cpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"} 73 !2 = metadata !{} 74 !3 = metadata !{metadata !4} 75 !4 = metadata !{i32 786451, metadata !5, null, metadata !"Base", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ] 76 !5 = metadata !{metadata !"./a.hpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"} 77 !6 = metadata !{metadata !7} 78 !7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"a", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int] 79 !8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 80 !9 = metadata !{metadata !10} 81 !10 = metadata !{i32 786478, metadata !1, metadata !11, metadata !"f", metadata !"f", metadata !"_Z1fi", i32 3, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1fi, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f] 82 !11 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] 83 !12 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 84 !13 = metadata !{null, metadata !8} 85 !14 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} 86 !15 = metadata !{i32 786689, metadata !10, metadata !"a", metadata !11, i32 16777219, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 3] 87 !16 = metadata !{i32 3, i32 0, metadata !10, null} 88 !17 = metadata !{i32 786688, metadata !10, metadata !"t", metadata !11, i32 4, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 4] 89 !18 = metadata !{i32 4, i32 0, metadata !10, null} 90 !19 = metadata !{i32 5, i32 0, metadata !10, null} 91 !20 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 92
