llvm-6502/test/DebugInfo/X86/debug-dead-local-var.ll

; RUN: llc -mtriple=x86_64-linux-gnu %s -filetype=obj -o %t
; RUN: llvm-dwarfdump %t | FileCheck %s

; Reconstruct this via clang and -O2.
; static void foo() {
;   struct X { int a; int b; } xyz;
; }

; int bar() {
;   foo();
;   return 1;
; }

; Check that we still have the structure type for X even though we're not
; going to emit a low/high_pc for foo.
; CHECK: DW_TAG_structure_type

; Function Attrs: nounwind readnone uwtable
define i32 @bar() #0 {
entry:
  ret i32 1, !dbg !21
}

attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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}
!llvm.module.flags = !{!18, !19}
!llvm.ident = !{!20}

!0 = !{!"0x11\0012\00clang version 3.5.0 (trunk 209255) (llvm/trunk 209253)\001\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/debug-dead-local-var.c] [DW_LANG_C99]
!1 = !{!"debug-dead-local-var.c", !"/usr/local/google/home/echristo"}
!2 = !{}
!3 = !{!4, !9}
!4 = !{!"0x2e\00bar\00bar\00\0011\000\001\000\006\000\001\0011", !1, !5, !6, null, i32 ()* @bar, null, null, !2} ; [ DW_TAG_subprogram ] [line 11] [def] [bar]
!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/debug-dead-local-var.c]
!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 = !{!8}
!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 = !{!"0x2e\00foo\00foo\00\006\001\001\000\006\000\001\006", !1, !5, !10, null, null, null, null, !12} ; [ DW_TAG_subprogram ] [line 6] [local] [def] [foo]
!10 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!11 = !{null}
!12 = !{!13}
!13 = !{!"0x100\00xyz\008\000", !9, !5, !14} ; [ DW_TAG_auto_variable ] [xyz] [line 8]
!14 = !{!"0x13\00X\008\0064\0032\000\000\000", !1, !9, null, !15, null, null, null} ; [ DW_TAG_structure_type ] [X] [line 8, size 64, align 32, offset 0] [def] [from ]
!15 = !{!16, !17}
!16 = !{!"0xd\00a\008\0032\0032\000\000", !1, !14, !8} ; [ DW_TAG_member ] [a] [line 8, size 32, align 32, offset 0] [from int]
!17 = !{!"0xd\00b\008\0032\0032\0032\000", !1, !14, !8} ; [ DW_TAG_member ] [b] [line 8, size 32, align 32, offset 32] [from int]
!18 = !{i32 2, !"Dwarf Version", i32 4}
!19 = !{i32 2, !"Debug Info Version", i32 2}
!20 = !{!"clang version 3.5.0 (trunk 209255) (llvm/trunk 209253)"}
!21 = !MDLocation(line: 13, scope: !4)