llvm/test/DebugInfo/Mips/delay-slot.ll

; RUN: llc -filetype=obj -O0 < %s -mtriple mips-unknown-linux-gnu | llvm-dwarfdump - | FileCheck %s
; PR19815

; Generated using clang -target mips-linux-gnu -g test.c -S -o - -flto|opt -sroa -S
; test.c:
;
; int foo(int x) {
;  if (x)
;    return 0;
;  return 1;
; }

; CHECK: Address            Line   Column File   ISA Discriminator Flags
; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
; CHECK: 0x0000000000000000      1      0      1   0             0  is_stmt
; CHECK: 0x0000000000000000      1      0      1   0             0  is_stmt prologue_end
; CHECK: 0x0000000000000008      2      0      1   0             0  is_stmt
; CHECK: 0x0000000000000020      3      0      1   0             0  is_stmt
; CHECK: 0x0000000000000030      4      0      1   0             0  is_stmt
; CHECK: 0x0000000000000040      5      0      1   0             0  is_stmt
; CHECK: 0x0000000000000050      5      0      1   0             0  is_stmt end_sequence

target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
target triple = "mips--linux-gnu"

; Function Attrs: nounwind
define i32 @foo(i32 %x) #0 {
entry:
  call void @llvm.dbg.value(metadata !{i32 %x}, i64 0, metadata !12, metadata !{i32 786690}), !dbg !13
  %tobool = icmp ne i32 %x, 0, !dbg !14
  br i1 %tobool, label %if.then, label %if.end, !dbg !14

if.then:                                          ; preds = %entry
  br label %return, !dbg !16

if.end:                                           ; preds = %entry
  br label %return, !dbg !17

return:                                           ; preds = %if.end, %if.then
  %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
  ret i32 %retval.0, !dbg !18
}

; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1

; Function Attrs: nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!9, !10}
!llvm.ident = !{!11}

!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/test.c] [DW_LANG_C99]
!1 = metadata !{metadata !"test.c", metadata !"/tmp"}
!2 = metadata !{}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @foo, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/tmp/test.c]
!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = metadata !{metadata !8, metadata !8}
!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]
!9 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
!10 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
!11 = metadata !{metadata !"clang version 3.5.0"}
!12 = metadata !{i32 786689, metadata !4, metadata !"x", metadata !5, i32 16777217, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [x] [line 1]
!13 = metadata !{i32 1, i32 0, metadata !4, null}
!14 = metadata !{i32 2, i32 0, metadata !15, null}
!15 = metadata !{i32 786443, metadata !1, metadata !4, i32 2, i32 0, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/tmp/test.c]
!16 = metadata !{i32 3, i32 0, metadata !15, null}
!17 = metadata !{i32 4, i32 0, metadata !4, null}
!18 = metadata !{i32 5, i32 0, metadata !4, null}