test/CodeGen/Hexagon/hwloop-dbg.ll

; RUN: llc < %s -march=hexagon -mcpu=hexagonv4 -O2 -disable-lsr | FileCheck %s
; ModuleID = 'hwloop-dbg.o'
target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
target triple = "hexagon"

define void @foo(i32* nocapture %a, i32* nocapture %b) nounwind {
entry:
  tail call void @llvm.dbg.value(metadata !{i32* %a}, i64 0, metadata !13), !dbg !17
  tail call void @llvm.dbg.value(metadata !{i32* %b}, i64 0, metadata !14), !dbg !18
  tail call void @llvm.dbg.value(metadata !2, i64 0, metadata !15), !dbg !19
  br label %for.body, !dbg !19

for.body:                                         ; preds = %for.body, %entry
; CHECK:     loop0(
; CHECK-NOT: add({{r[0-9]*}}, #
; CHECK:     endloop0
  %arrayidx.phi = phi i32* [ %a, %entry ], [ %arrayidx.inc, %for.body ]
  %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %b.addr.01 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.body ]
  %incdec.ptr = getelementptr inbounds i32* %b.addr.01, i32 1, !dbg !21
  tail call void @llvm.dbg.value(metadata !{i32* %incdec.ptr}, i64 0, metadata !14), !dbg !21
  %0 = load i32* %b.addr.01, align 4, !dbg !21, !tbaa !23
  store i32 %0, i32* %arrayidx.phi, align 4, !dbg !21, !tbaa !23
  %inc = add nsw i32 %i.02, 1, !dbg !26
  tail call void @llvm.dbg.value(metadata !{i32 %inc}, i64 0, metadata !15), !dbg !26
  %exitcond = icmp eq i32 %inc, 10, !dbg !19
  %arrayidx.inc = getelementptr i32* %arrayidx.phi, i32 1
  br i1 %exitcond, label %for.end, label %for.body, !dbg !19

for.end:                                          ; preds = %for.body
  ret void, !dbg !27
}

declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone

!llvm.dbg.cu = !{!0}

!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"hwloop-dbg.c", metadata !"/usr2/kparzysz/s.hex/t", metadata !"QuIC LLVM Hexagon Clang version 6.1-pre-unknown, (git://git-hexagon-aus.quicinc.com/llvm/clang-mainline.git e9382867661454cdf44addb39430741578e9765c) (llvm/llvm-mainline.git 36412bb1fcf03ed426d4437b41198bae066675ac)", i1 true, i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c] [DW_LANG_C99]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (i32*, i32*)* @foo, null, null, metadata !11, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
!6 = metadata !{i32 786473, metadata !"hwloop-dbg.c", metadata !"/usr2/kparzysz/s.hex/t", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{null, metadata !9, metadata !9}
!9 = metadata !{i32 786447, null, metadata !"", null, i32 0, i64 32, i64 32, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 32, align 32, offset 0] [from int]
!10 = metadata !{i32 786468, null, metadata !"int", null, 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]
!11 = metadata !{metadata !12}
!12 = metadata !{metadata !13, metadata !14, metadata !15}
!13 = metadata !{i32 786689, metadata !5, metadata !"a", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 1]
!14 = metadata !{i32 786689, metadata !5, metadata !"b", metadata !6, i32 33554433, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [b] [line 1]
!15 = metadata !{i32 786688, metadata !16, metadata !"i", metadata !6, i32 2, metadata !10, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [i] [line 2]
!16 = metadata !{i32 786443, metadata !5, i32 1, i32 26, metadata !6, i32 0} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
!17 = metadata !{i32 1, i32 15, metadata !5, null}
!18 = metadata !{i32 1, i32 23, metadata !5, null}
!19 = metadata !{i32 3, i32 8, metadata !20, null}
!20 = metadata !{i32 786443, metadata !16, i32 3, i32 3, metadata !6, i32 1} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
!21 = metadata !{i32 4, i32 5, metadata !22, null}
!22 = metadata !{i32 786443, metadata !20, i32 3, i32 28, metadata !6, i32 2} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
!23 = metadata !{metadata !"int", metadata !24}
!24 = metadata !{metadata !"omnipotent char", metadata !25}
!25 = metadata !{metadata !"Simple C/C++ TBAA"}
!26 = metadata !{i32 3, i32 23, metadata !20, null}
!27 = metadata !{i32 6, i32 1, metadata !16, null}