; LLVM IR from NishkarshRaj/Design-and-Analysis-of-Algorithms :: sorting (bubble)

; 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 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [45 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [34 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = zext i32 %10 to i64
  %12 = call ptr @llvm.stacksave.p0()
  store ptr %12, ptr %6, align 8
  %13 = alloca i32, i64 %11, align 16
  store i64 %11, ptr %7, align 8
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %28, %0
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %18, label %31

18:                                               ; preds = %14
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %19, i32 noundef %21)
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef @.str.2)
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i32, ptr %13, i64 %25
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %26)
  br label %28

28:                                               ; preds = %18
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %3, align 4, !tbaa !5
  br label %14, !llvm.loop !9

31:                                               ; preds = %14
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %81, %31
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = load i32, ptr %2, align 4, !tbaa !5
  %37 = sub nsw i32 %36, 1
  %38 = icmp slt i32 %35, %37
  br i1 %38, label %39, label %84

39:                                               ; preds = %34
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %77, %39
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = load i32, ptr %2, align 4, !tbaa !5
  %43 = load i32, ptr %3, align 4, !tbaa !5
  %44 = sub nsw i32 %42, %43
  %45 = sub nsw i32 %44, 1
  %46 = icmp slt i32 %41, %45
  br i1 %46, label %47, label %80

47:                                               ; preds = %40
  %48 = load i32, ptr %4, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds i32, ptr %13, i64 %49
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = load i32, ptr %4, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds i32, ptr %13, i64 %54
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = icmp sgt i32 %51, %56
  br i1 %57, label %58, label %76

58:                                               ; preds = %47
  %59 = load i32, ptr %4, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds i32, ptr %13, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  store i32 %63, ptr %5, align 4, !tbaa !5
  %64 = load i32, ptr %4, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds i32, ptr %13, i64 %65
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = load i32, ptr %4, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds i32, ptr %13, i64 %70
  store i32 %67, ptr %71, align 4, !tbaa !5
  %72 = load i32, ptr %5, align 4, !tbaa !5
  %73 = load i32, ptr %4, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds i32, ptr %13, i64 %74
  store i32 %72, ptr %75, align 4, !tbaa !5
  br label %76

76:                                               ; preds = %58, %47
  br label %77

77:                                               ; preds = %76
  %78 = load i32, ptr %4, align 4, !tbaa !5
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %4, align 4, !tbaa !5
  br label %40, !llvm.loop !11

80:                                               ; preds = %40
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %3, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %3, align 4, !tbaa !5
  br label %34, !llvm.loop !12

84:                                               ; preds = %34
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %85, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %87

87:                                               ; preds = %102, %84
  %88 = load i32, ptr %3, align 4, !tbaa !5
  %89 = load i32, ptr %2, align 4, !tbaa !5
  %90 = icmp slt i32 %88, %89
  br i1 %90, label %91, label %105

91:                                               ; preds = %87
  %92 = load i32, ptr %3, align 4, !tbaa !5
  %93 = add nsw i32 %92, 1
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %93)
  %95 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %94, ptr noundef @.str.5)
  %96 = load i32, ptr %3, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = getelementptr inbounds i32, ptr %13, i64 %97
  %99 = load i32, ptr %98, align 4, !tbaa !5
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %95, i32 noundef %99)
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %100, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %102

102:                                              ; preds = %91
  %103 = load i32, ptr %3, align 4, !tbaa !5
  %104 = add nsw i32 %103, 1
  store i32 %104, ptr %3, align 4, !tbaa !5
  br label %87, !llvm.loop !13

105:                                              ; preds = %87
  %106 = load ptr, ptr %6, align 8
  call void @llvm.stackrestore.p0(ptr %106)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %107 = load i32, ptr %1, align 4
  ret i32 %107
}

; 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(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

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

attributes #0 = { mustprogress norecurse 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 = { nocallback nofree nosync nounwind willreturn }
attributes #5 = { 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 #6 = { 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 = !{!"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}


; 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 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [45 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [34 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %2 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %3 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = zext i32 %4 to i64
  %6 = call ptr @llvm.stacksave.p0()
  %7 = alloca i32, i64 %5, align 16
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = trunc nuw nsw i64 %indvars.iv.next to i32
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %10, i32 noundef %11)
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull @.str.2)
  %14 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %14)
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = icmp slt i64 %indvars.iv.next, %17
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = add i32 %21, -1
  %23 = icmp sgt i32 %21, 1
  br i1 %23, label %.preheader.preheader, label %._crit_edge29

.preheader.preheader:                             ; preds = %._crit_edge
  %invariant.gep = getelementptr i8, ptr %7, i64 4
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %._crit_edge27
  %indvars.iv38 = phi i32 [ %indvars.iv.next39, %._crit_edge27 ], [ %22, %.preheader.preheader ]
  %.128 = phi i32 [ %46, %._crit_edge27 ], [ 0, %.preheader.preheader ]
  %24 = zext i32 %indvars.iv38 to i64
  %25 = sub nsw i32 %.128, %21
  %26 = icmp slt i32 %25, -1
  br i1 %26, label %.lr.ph26.preheader, label %._crit_edge27

.lr.ph26.preheader:                               ; preds = %.preheader
  %.pre = load i32, ptr %7, align 16, !tbaa !5
  %xtraiter = and i64 %24, 1
  %27 = icmp eq i32 %indvars.iv38, 1
  br i1 %27, label %._crit_edge27.loopexit.unr-lcssa, label %.lr.ph26.preheader.new

.lr.ph26.preheader.new:                           ; preds = %.lr.ph26.preheader
  %unroll_iter = and i64 %24, 4294967294
  br label %.lr.ph26

.lr.ph26:                                         ; preds = %40, %.lr.ph26.preheader.new
  %28 = phi i32 [ %.pre, %.lr.ph26.preheader.new ], [ %41, %40 ]
  %indvars.iv35 = phi i64 [ 0, %.lr.ph26.preheader.new ], [ %indvars.iv.next36.1, %40 ]
  %niter = phi i64 [ 0, %.lr.ph26.preheader.new ], [ %niter.next.1, %40 ]
  %indvars.iv.next36 = or disjoint i64 %indvars.iv35, 1
  %29 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv.next36
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = icmp sgt i32 %28, %30
  br i1 %31, label %32, label %.lr.ph26.1

32:                                               ; preds = %.lr.ph26
  %33 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv35
  store i32 %28, ptr %29, align 4, !tbaa !5
  store i32 %30, ptr %33, align 8, !tbaa !5
  br label %.lr.ph26.1

.lr.ph26.1:                                       ; preds = %.lr.ph26, %32
  %34 = phi i32 [ %30, %.lr.ph26 ], [ %28, %32 ]
  %indvars.iv.next36.1 = add nuw nsw i64 %indvars.iv35, 2
  %35 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv.next36.1
  %36 = load i32, ptr %35, align 8, !tbaa !5
  %37 = icmp sgt i32 %34, %36
  br i1 %37, label %38, label %40

38:                                               ; preds = %.lr.ph26.1
  %39 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv.next36
  store i32 %34, ptr %35, align 8, !tbaa !5
  store i32 %36, ptr %39, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %38, %.lr.ph26.1
  %41 = phi i32 [ %36, %.lr.ph26.1 ], [ %34, %38 ]
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge27.loopexit.unr-lcssa, label %.lr.ph26, !llvm.loop !11

._crit_edge27.loopexit.unr-lcssa:                 ; preds = %40, %.lr.ph26.preheader
  %.unr = phi i32 [ %.pre, %.lr.ph26.preheader ], [ %41, %40 ]
  %indvars.iv35.unr = phi i64 [ 0, %.lr.ph26.preheader ], [ %indvars.iv.next36.1, %40 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge27, label %.lr.ph26.epil

.lr.ph26.epil:                                    ; preds = %._crit_edge27.loopexit.unr-lcssa
  %gep = getelementptr i32, ptr %invariant.gep, i64 %indvars.iv35.unr
  %42 = load i32, ptr %gep, align 4, !tbaa !5
  %43 = icmp sgt i32 %.unr, %42
  br i1 %43, label %44, label %._crit_edge27

44:                                               ; preds = %.lr.ph26.epil
  %45 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv35.unr
  store i32 %.unr, ptr %gep, align 4, !tbaa !5
  store i32 %42, ptr %45, align 4, !tbaa !5
  br label %._crit_edge27

._crit_edge27:                                    ; preds = %._crit_edge27.loopexit.unr-lcssa, %44, %.lr.ph26.epil, %.preheader
  %46 = add nuw nsw i32 %.128, 1
  %indvars.iv.next39 = add i32 %indvars.iv38, -1
  %exitcond40.not = icmp eq i32 %46, %22
  br i1 %exitcond40.not, label %._crit_edge29, label %.preheader, !llvm.loop !12

._crit_edge29:                                    ; preds = %._crit_edge27, %._crit_edge
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %49 = load i32, ptr %1, align 4, !tbaa !5
  %50 = icmp sgt i32 %49, 0
  br i1 %50, label %.lr.ph32, label %._crit_edge33

.lr.ph32:                                         ; preds = %._crit_edge29, %.lr.ph32
  %indvars.iv41 = phi i64 [ %indvars.iv.next42, %.lr.ph32 ], [ 0, %._crit_edge29 ]
  %indvars.iv.next42 = add nuw nsw i64 %indvars.iv41, 1
  %51 = trunc nuw nsw i64 %indvars.iv.next42 to i32
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %51)
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %52, ptr noundef nonnull @.str.5)
  %54 = getelementptr inbounds i32, ptr %7, i64 %indvars.iv41
  %55 = load i32, ptr %54, align 4, !tbaa !5
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %53, i32 noundef %55)
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %58 = load i32, ptr %1, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = icmp slt i64 %indvars.iv.next42, %59
  br i1 %60, label %.lr.ph32, label %._crit_edge33, !llvm.loop !13

._crit_edge33:                                    ; preds = %.lr.ph32, %._crit_edge29
  call void @llvm.stackrestore.p0(ptr %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

; Function Attrs: mustprogress 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) local_unnamed_addr #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

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

attributes #0 = { mustprogress norecurse 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 = { mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #5 = { 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 #6 = { 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 = !{!"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: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass