| ; REQUIRES: object-emission |
| |
| ; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-dump=line - | FileCheck %s |
| ; RUN: %llc_dwarf < %s -filetype=asm | FileCheck --check-prefix=ASM %s |
| |
| ; If multiple line tables are emitted, one per CU, those line tables can |
| ; unambiguously rely on the comp_dir of their owning CU and use directory '0' |
| ; to refer to it. |
| |
| ; CHECK: .debug_line contents: |
| ; CHECK-NEXT: Line table prologue: |
| ; CHECK-NOT: include_directories |
| ; CHECK: file_names[ 1] 0 {{.*}} a.cpp |
| ; CHECK-NOT: file_names |
| |
| ; CHECK: Line table prologue: |
| ; CHECK-NOT: include_directories |
| ; CHECK: file_names[ 1] 0 {{.*}} b.cpp |
| ; CHECK-NOT: file_names |
| |
| ; However, if a single line table is emitted and shared between CUs, the |
| ; comp_dir is ambiguous and relying on it would lead to different path |
| ; interpretations depending on which CU lead to the table - so ensure that |
| ; full paths are always emitted in this case, never comp_dir relative. |
| |
| ; ASM: .file 1 "/tmp/dbginfo/a{{[/\\]+}}a.cpp" |
| ; ASM: .file 2 "/tmp/dbginfo/b{{[/\\]+}}b.cpp" |
| |
| ; Generated from the following source compiled to bitcode from within their |
| ; respective directories (with debug info) and linked together with llvm-link |
| |
| ; a/a.cpp |
| ; void func() { |
| ; } |
| |
| ; b/b.cpp |
| ; void func(); |
| ; int main() { |
| ; func(); |
| ; } |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_Z4funcv() #0 { |
| entry: |
| ret void, !dbg !19 |
| } |
| |
| ; Function Attrs: uwtable |
| define i32 @main() #1 { |
| entry: |
| call void @_Z4funcv(), !dbg !20 |
| ret i32 0, !dbg !21 |
| } |
| |
| attributes #0 = { nounwind 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 = { 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" } |
| |
| !llvm.dbg.cu = !{!0, !8} |
| !llvm.module.flags = !{!16, !17} |
| !llvm.ident = !{!18, !18} |
| |
| !0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] |
| !1 = !{!"a.cpp", !"/tmp/dbginfo/a"} |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !{!"0x2e\00func\00func\00_Z4funcv\001\000\001\000\006\00256\000\001", !1, !5, !6, null, void ()* @_Z4funcv, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [func] |
| !5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/a/a.cpp] |
| !6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !7 = !{null} |
| !8 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !9, !2, !2, !10, !2, !2} ; [ DW_TAG_compile_unit ] |
| !9 = !{!"b.cpp", !"/tmp/dbginfo/b"} |
| !10 = !{!11} |
| !11 = !{!"0x2e\00main\00main\00\002\000\001\000\006\00256\000\002", !9, !12, !13, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [main] |
| !12 = !{!"0x29", !9} ; [ DW_TAG_file_type ] [/tmp/dbginfo/b/b.cpp] |
| !13 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !14 = !{!15} |
| !15 = !{!"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] |
| !16 = !{i32 2, !"Dwarf Version", i32 4} |
| !17 = !{i32 1, !"Debug Info Version", i32 2} |
| !18 = !{!"clang version 3.5.0 "} |
| !19 = !MDLocation(line: 2, scope: !4) |
| !20 = !MDLocation(line: 3, scope: !11) |
| !21 = !MDLocation(line: 4, scope: !11) |
| |