| ; REQUIRES: object-emission |
| |
| ; RUN: llvm-link %s %p/type-unique-simple-b.ll -S -o %t |
| ; RUN: cat %t | FileCheck %s -check-prefix=LINK |
| ; RUN: %llc_dwarf -filetype=obj -O0 < %t > %t2 |
| ; RUN: llvm-dwarfdump -debug-dump=info %t2 | FileCheck %s |
| |
| ; 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; |
| ; }; |
| ; 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 } |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define void @_Z1fi(i32 %a) #0 { |
| entry: |
| %a.addr = alloca i32, align 4 |
| %t = alloca %struct.Base, align 4 |
| store i32 %a, i32* %a.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !15, metadata !{!"0x102"}), !dbg !16 |
| call void @llvm.dbg.declare(metadata %struct.Base* %t, metadata !17, metadata !{!"0x102"}), !dbg !18 |
| ret void, !dbg !19 |
| } |
| |
| ; 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 = !{!14, !20} |
| |
| !0 = !{!"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)\000\00\000\00\000", !1, !2, !3, !9, !2, !2} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] [DW_LANG_C_plus_plus] |
| !1 = !{!"foo.cpp", !"/Users/mren/c_testing/type_unique_air/simple"} |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !{!"0x13\00Base\001\0032\0032\000\000\000", !5, null, null, !6, null, null, !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ] |
| !5 = !{!"./a.hpp", !"/Users/mren/c_testing/type_unique_air/simple"} |
| !6 = !{!7} |
| !7 = !{!"0xd\00a\002\0032\0032\000\000", !5, !"_ZTS4Base", !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int] |
| !8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] |
| !9 = !{!10} |
| !10 = !{!"0x2e\00f\00f\00_Z1fi\003\000\001\000\006\00256\000\003", !1, !11, !12, null, void (i32)* @_Z1fi, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f] |
| !11 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] |
| !12 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !13 = !{null, !8} |
| !14 = !{i32 2, !"Dwarf Version", i32 2} |
| !15 = !{!"0x101\00a\0016777219\000", !10, !11, !8} ; [ DW_TAG_arg_variable ] [a] [line 3] |
| !16 = !MDLocation(line: 3, scope: !10) |
| !17 = !{!"0x100\00t\004\000", !10, !11, !4} ; [ DW_TAG_auto_variable ] [t] [line 4] |
| !18 = !MDLocation(line: 4, scope: !10) |
| !19 = !MDLocation(line: 5, scope: !10) |
| !20 = !{i32 1, !"Debug Info Version", i32 2} |