; LLVM IR from Thre4dripper/DSA-Programs :: 02. Matrix/12_SpiralTraversal.ll (Z19SpiralAntiClockwisePA5_iii)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z19SpiralAntiClockwisePA5_iii(ptr noundef %0, i32 noundef %1, i32 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = sub nsw i32 %9, 1
  store i32 %10, ptr %7, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %23, %3
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = icmp sge i32 %12, 0
  br i1 %13, label %14, label %26

14:                                               ; preds = %11
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds [5 x i32], ptr %15, i64 0
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [5 x i32], ptr %16, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !9
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %20)
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef @.str)
  br label %23

23:                                               ; preds = %14
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = add nsw i32 %24, -1
  store i32 %25, ptr %7, align 4, !tbaa !9
  br label %11, !llvm.loop !11

26:                                               ; preds = %11
  store i32 1, ptr %8, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %40, %26
  %28 = load i32, ptr %8, align 4, !tbaa !9
  %29 = load i32, ptr %5, align 4, !tbaa !9
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %31, label %43

31:                                               ; preds = %27
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = load i32, ptr %8, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [5 x i32], ptr %32, i64 %34
  %36 = getelementptr inbounds [5 x i32], ptr %35, i64 0, i64 0
  %37 = load i32, ptr %36, align 4, !tbaa !9
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %37)
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef @.str)
  br label %40

40:                                               ; preds = %31
  %41 = load i32, ptr %8, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %8, align 4, !tbaa !9
  br label %27, !llvm.loop !13

43:                                               ; preds = %27
  store i32 1, ptr %7, align 4, !tbaa !9
  br label %44

44:                                               ; preds = %60, %43
  %45 = load i32, ptr %7, align 4, !tbaa !9
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %48, label %63

48:                                               ; preds = %44
  %49 = load ptr, ptr %4, align 8, !tbaa !5
  %50 = load i32, ptr %5, align 4, !tbaa !9
  %51 = sub nsw i32 %50, 1
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [5 x i32], ptr %49, i64 %52
  %54 = load i32, ptr %7, align 4, !tbaa !9
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [5 x i32], ptr %53, i64 0, i64 %55
  %57 = load i32, ptr %56, align 4, !tbaa !9
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %57)
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef @.str)
  br label %60

60:                                               ; preds = %48
  %61 = load i32, ptr %7, align 4, !tbaa !9
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %7, align 4, !tbaa !9
  br label %44, !llvm.loop !14

63:                                               ; preds = %44
  %64 = load i32, ptr %5, align 4, !tbaa !9
  %65 = sub nsw i32 %64, 2
  store i32 %65, ptr %8, align 4, !tbaa !9
  br label %66

66:                                               ; preds = %81, %63
  %67 = load i32, ptr %8, align 4, !tbaa !9
  %68 = icmp sgt i32 %67, 0
  br i1 %68, label %69, label %84

69:                                               ; preds = %66
  %70 = load ptr, ptr %4, align 8, !tbaa !5
  %71 = load i32, ptr %8, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [5 x i32], ptr %70, i64 %72
  %74 = load i32, ptr %6, align 4, !tbaa !9
  %75 = sub nsw i32 %74, 1
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds [5 x i32], ptr %73, i64 0, i64 %76
  %78 = load i32, ptr %77, align 4, !tbaa !9
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %78)
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %79, ptr noundef @.str)
  br label %81

81:                                               ; preds = %69
  %82 = load i32, ptr %8, align 4, !tbaa !9
  %83 = add nsw i32 %82, -1
  store i32 %83, ptr %8, align 4, !tbaa !9
  br label %66, !llvm.loop !15

84:                                               ; preds = %66
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z19SpiralAntiClockwisePA5_iii(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %4 = add i32 %2, -1
  %5 = icmp sgt i32 %2, 0
  br i1 %5, label %.lr.ph.preheader, label %.preheader24

.lr.ph.preheader:                                 ; preds = %3
  %6 = zext nneg i32 %4 to i64
  br label %.lr.ph

.preheader24:                                     ; preds = %.lr.ph, %3
  %7 = icmp sgt i32 %1, 1
  br i1 %7, label %.lr.ph27.preheader, label %.preheader

.lr.ph27.preheader:                               ; preds = %.preheader24
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph27

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %6, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %8 = getelementptr inbounds [5 x i32], ptr %0, i64 0, i64 %indvars.iv
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %9)
  %11 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull @.str)
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %.not = icmp eq i64 %indvars.iv, 0
  br i1 %.not, label %.preheader24, label %.lr.ph, !llvm.loop !9

.preheader:                                       ; preds = %.lr.ph27, %.preheader24
  %12 = icmp sgt i32 %2, 1
  br i1 %12, label %.lr.ph29, label %._crit_edge

.lr.ph29:                                         ; preds = %.preheader
  %invariant.gep = getelementptr i8, ptr %0, i64 -20
  %13 = sext i32 %1 to i64
  %wide.trip.count41 = zext nneg i32 %2 to i64
  br label %18

.lr.ph27:                                         ; preds = %.lr.ph27.preheader, %.lr.ph27
  %indvars.iv35 = phi i64 [ 1, %.lr.ph27.preheader ], [ %indvars.iv.next36, %.lr.ph27 ]
  %14 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv35
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %15)
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @.str)
  %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next36, %wide.trip.count
  br i1 %exitcond.not, label %.preheader, label %.lr.ph27, !llvm.loop !11

18:                                               ; preds = %.lr.ph29, %18
  %indvars.iv38 = phi i64 [ 1, %.lr.ph29 ], [ %indvars.iv.next39, %18 ]
  %19 = getelementptr nusw [5 x i32], ptr %invariant.gep, i64 %13, i64 %indvars.iv38
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %20)
  %22 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull @.str)
  %indvars.iv.next39 = add nuw nsw i64 %indvars.iv38, 1
  %exitcond42.not = icmp eq i64 %indvars.iv.next39, %wide.trip.count41
  br i1 %exitcond42.not, label %._crit_edge, label %18, !llvm.loop !12

._crit_edge:                                      ; preds = %18, %.preheader
  %23 = icmp sgt i32 %1, 2
  br i1 %23, label %.lr.ph32, label %._crit_edge33

.lr.ph32:                                         ; preds = %._crit_edge
  %24 = add nsw i32 %1, -2
  %25 = sext i32 %4 to i64
  %26 = zext nneg i32 %24 to i64
  br label %27

27:                                               ; preds = %.lr.ph32, %27
  %indvars.iv43 = phi i64 [ %26, %.lr.ph32 ], [ %indvars.iv.next44, %27 ]
  %28 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv43, i64 %25
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %29)
  %31 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %30, ptr noundef nonnull @.str)
  %indvars.iv.next44 = add nsw i64 %indvars.iv43, -1
  %32 = icmp ugt i64 %indvars.iv43, 1
  br i1 %32, label %27, label %._crit_edge33, !llvm.loop !13

._crit_edge33:                                    ; preds = %27, %._crit_edge
  ret void
}

attributes #0 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass