; LLVM IR from Thre4dripper/DSA-Programs :: 02. Matrix/12_SpiralTraversal.ll (Z15SpiralClockwisePA5_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: mustprogress uwtable
define dso_local void @_Z15SpiralClockwisePA5_iii(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %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
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %22, %3
  %10 = load i32, ptr %7, align 4, !tbaa !9
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = icmp slt i32 %10, %11
  br i1 %12, label %13, label %25

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

22:                                               ; preds = %13
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %7, align 4, !tbaa !9
  br label %9, !llvm.loop !11

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

26:                                               ; preds = %42, %25
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = load i32, ptr %5, align 4, !tbaa !9
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %30, label %45

30:                                               ; preds = %26
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = load i32, ptr %8, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [5 x i32], ptr %31, i64 %33
  %35 = load i32, ptr %6, align 4, !tbaa !9
  %36 = sub nsw i32 %35, 1
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [5 x i32], ptr %34, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !9
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %39)
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef @.str)
  br label %42

42:                                               ; preds = %30
  %43 = load i32, ptr %8, align 4, !tbaa !9
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %8, align 4, !tbaa !9
  br label %26, !llvm.loop !13

45:                                               ; preds = %26
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = sub nsw i32 %46, 2
  store i32 %47, ptr %7, align 4, !tbaa !9
  br label %48

48:                                               ; preds = %63, %45
  %49 = load i32, ptr %7, align 4, !tbaa !9
  %50 = icmp sge i32 %49, 0
  br i1 %50, label %51, label %66

51:                                               ; preds = %48
  %52 = load ptr, ptr %4, align 8, !tbaa !5
  %53 = load i32, ptr %5, align 4, !tbaa !9
  %54 = sub nsw i32 %53, 1
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [5 x i32], ptr %52, i64 %55
  %57 = load i32, ptr %7, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [5 x i32], ptr %56, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !9
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %60)
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef @.str)
  br label %63

63:                                               ; preds = %51
  %64 = load i32, ptr %7, align 4, !tbaa !9
  %65 = add nsw i32 %64, -1
  store i32 %65, ptr %7, align 4, !tbaa !9
  br label %48, !llvm.loop !14

66:                                               ; preds = %48
  %67 = load i32, ptr %5, align 4, !tbaa !9
  %68 = sub nsw i32 %67, 2
  store i32 %68, ptr %8, align 4, !tbaa !9
  br label %69

69:                                               ; preds = %81, %66
  %70 = load i32, ptr %8, align 4, !tbaa !9
  %71 = icmp sgt i32 %70, 0
  br i1 %71, label %72, label %84

72:                                               ; preds = %69
  %73 = load ptr, ptr %4, align 8, !tbaa !5
  %74 = load i32, ptr %8, align 4, !tbaa !9
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [5 x i32], ptr %73, i64 %75
  %77 = getelementptr inbounds [5 x i32], ptr %76, i64 0, i64 0
  %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 = %72
  %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 %69, !llvm.loop !15

84:                                               ; preds = %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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) #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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: mustprogress uwtable
define dso_local void @_Z15SpiralClockwisePA5_iii(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = icmp sgt i32 %2, 0
  br i1 %4, label %.lr.ph.preheader, label %.preheader

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext nneg i32 %2 to i64
  br label %.lr.ph

.preheader:                                       ; preds = %.lr.ph, %3
  %5 = icmp sgt i32 %1, 1
  br i1 %5, label %.lr.ph27, label %._crit_edge

.lr.ph27:                                         ; preds = %.preheader
  %6 = add nsw i32 %2, -1
  %7 = sext i32 %6 to i64
  %wide.trip.count40 = zext nneg i32 %1 to i64
  br label %12

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.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 nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.preheader, label %.lr.ph, !llvm.loop !9

12:                                               ; preds = %.lr.ph27, %12
  %indvars.iv37 = phi i64 [ 1, %.lr.ph27 ], [ %indvars.iv.next38, %12 ]
  %13 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv37, i64 %7
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %14)
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @.str)
  %indvars.iv.next38 = add nuw nsw i64 %indvars.iv37, 1
  %exitcond41.not = icmp eq i64 %indvars.iv.next38, %wide.trip.count40
  br i1 %exitcond41.not, label %._crit_edge, label %12, !llvm.loop !11

._crit_edge:                                      ; preds = %12, %.preheader
  %17 = icmp sgt i32 %2, 1
  br i1 %17, label %.lr.ph30, label %._crit_edge31

.lr.ph30:                                         ; preds = %._crit_edge
  %18 = add nsw i32 %2, -2
  %invariant.gep = getelementptr i8, ptr %0, i64 -20
  %19 = sext i32 %1 to i64
  %20 = zext nneg i32 %18 to i64
  br label %21

21:                                               ; preds = %.lr.ph30, %21
  %indvars.iv42 = phi i64 [ %20, %.lr.ph30 ], [ %indvars.iv.next43, %21 ]
  %22 = getelementptr nusw [5 x i32], ptr %invariant.gep, i64 %19, i64 %indvars.iv42
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %23)
  %25 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @.str)
  %indvars.iv.next43 = add nsw i64 %indvars.iv42, -1
  %.not = icmp eq i64 %indvars.iv42, 0
  br i1 %.not, label %._crit_edge31, label %21, !llvm.loop !12

._crit_edge31:                                    ; preds = %21, %._crit_edge
  %26 = icmp sgt i32 %1, 2
  br i1 %26, label %.lr.ph34.preheader, label %._crit_edge35

.lr.ph34.preheader:                               ; preds = %._crit_edge31
  %27 = add nsw i32 %1, -2
  %28 = zext nneg i32 %27 to i64
  br label %.lr.ph34

.lr.ph34:                                         ; preds = %.lr.ph34.preheader, %.lr.ph34
  %indvars.iv45 = phi i64 [ %28, %.lr.ph34.preheader ], [ %indvars.iv.next46, %.lr.ph34 ]
  %29 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv45
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %30)
  %32 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %31, ptr noundef nonnull @.str)
  %indvars.iv.next46 = add nsw i64 %indvars.iv45, -1
  %33 = icmp ugt i64 %indvars.iv45, 1
  br i1 %33, label %.lr.ph34, label %._crit_edge35, !llvm.loop !13

._crit_edge35:                                    ; preds = %.lr.ph34, %._crit_edge31
  ret void
}

; 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 #1

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

attributes #0 = { 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 = { 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" }

!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