; LLVM IR from codemistic/Data-Structures-and-Algorithms :: CPP/String/KMPalgo.ll/Z3KMPNSt7 (cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7fillLPSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPi(ptr noundef, ptr noundef) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3KMPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr noundef %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %14 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #6
  %15 = trunc i64 %14 to i32
  store i32 %15, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %16 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %17 = trunc i64 %16 to i32
  store i32 %17, ptr %6, align 4, !tbaa !9
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = zext i32 %18 to i64
  %20 = call ptr @llvm.stacksave.p0()
  store ptr %20, ptr %7, align 8
  %21 = alloca i32, i64 %19, align 16
  store i64 %19, ptr %8, align 8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 8 dereferenceable(32) %1)
  invoke void @_Z7fillLPSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPi(ptr noundef %9, ptr noundef %21)
          to label %22 unwind label %44

22:                                               ; preds = %2
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %93, %22
  %24 = load i32, ptr %12, align 4, !tbaa !9
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %27, label %94

27:                                               ; preds = %23
  %28 = load i32, ptr %12, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %29)
  %31 = load i8, ptr %30, align 1, !tbaa !11
  %32 = sext i8 %31 to i32
  %33 = load i32, ptr %13, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %34)
  %36 = load i8, ptr %35, align 1, !tbaa !11
  %37 = sext i8 %36 to i32
  %38 = icmp eq i32 %32, %37
  br i1 %38, label %39, label %48

39:                                               ; preds = %27
  %40 = load i32, ptr %12, align 4, !tbaa !9
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %12, align 4, !tbaa !9
  %42 = load i32, ptr %13, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %13, align 4, !tbaa !9
  br label %48

44:                                               ; preds = %2
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %10, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %96

48:                                               ; preds = %39, %27
  %49 = load i32, ptr %13, align 4, !tbaa !9
  %50 = load i32, ptr %6, align 4, !tbaa !9
  %51 = icmp eq i32 %49, %50
  br i1 %51, label %52, label %63

52:                                               ; preds = %48
  %53 = load i32, ptr %12, align 4, !tbaa !9
  %54 = load i32, ptr %6, align 4, !tbaa !9
  %55 = sub nsw i32 %53, %54
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %55)
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef @.str)
  %58 = load i32, ptr %13, align 4, !tbaa !9
  %59 = sub nsw i32 %58, 1
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds i32, ptr %21, i64 %60
  %62 = load i32, ptr %61, align 4, !tbaa !9
  store i32 %62, ptr %13, align 4, !tbaa !9
  br label %93

63:                                               ; preds = %48
  %64 = load i32, ptr %12, align 4, !tbaa !9
  %65 = load i32, ptr %5, align 4, !tbaa !9
  %66 = icmp slt i32 %64, %65
  br i1 %66, label %67, label %92

67:                                               ; preds = %63
  %68 = load i32, ptr %12, align 4, !tbaa !9
  %69 = sext i32 %68 to i64
  %70 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %69)
  %71 = load i8, ptr %70, align 1, !tbaa !11
  %72 = sext i8 %71 to i32
  %73 = load i32, ptr %13, align 4, !tbaa !9
  %74 = sext i32 %73 to i64
  %75 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %74)
  %76 = load i8, ptr %75, align 1, !tbaa !11
  %77 = sext i8 %76 to i32
  %78 = icmp ne i32 %72, %77
  br i1 %78, label %79, label %92

79:                                               ; preds = %67
  %80 = load i32, ptr %13, align 4, !tbaa !9
  %81 = icmp eq i32 %80, 0
  br i1 %81, label %82, label %85

82:                                               ; preds = %79
  %83 = load i32, ptr %12, align 4, !tbaa !9
  %84 = add nsw i32 %83, 1
  store i32 %84, ptr %12, align 4, !tbaa !9
  br label %91

85:                                               ; preds = %79
  %86 = load i32, ptr %13, align 4, !tbaa !9
  %87 = sub nsw i32 %86, 1
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds i32, ptr %21, i64 %88
  %90 = load i32, ptr %89, align 4, !tbaa !9
  store i32 %90, ptr %13, align 4, !tbaa !9
  br label %91

91:                                               ; preds = %85, %82
  br label %92

92:                                               ; preds = %91, %67, %63
  br label %93

93:                                               ; preds = %92, %52
  br label %23, !llvm.loop !12

94:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  %95 = load ptr, ptr %7, align 8
  call void @llvm.stackrestore.p0(ptr %95)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  ret void

96:                                               ; preds = %44
  %97 = load ptr, ptr %10, align 8
  %98 = load i32, ptr %11, align 4
  %99 = insertvalue { ptr, i32 } poison, ptr %97, 0
  %100 = insertvalue { ptr, i32 } %99, i32 %98, 1
  resume { ptr, i32 } %100
}

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; 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) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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 = { mustprogress nounwind 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 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #5 = { "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 = !{!"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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7fillLPSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPi(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3KMPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr noundef nonnull %0, ptr noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %5 = trunc i64 %4 to i32
  %6 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %7 = trunc i64 %6 to i32
  %8 = and i64 %6, 4294967295
  %9 = alloca i32, i64 %8, align 16
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %1)
  invoke void @_Z7fillLPSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPi(ptr noundef nonnull %3, ptr noundef nonnull %9)
          to label %10 unwind label %22

10:                                               ; preds = %2
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  %invariant.gep = getelementptr i8, ptr %9, i64 -4
  %11 = icmp sgt i32 %5, 0
  br i1 %11, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %10
  %sext = shl i64 %6, 32
  %12 = ashr exact i64 %sext, 30
  %gep27 = getelementptr i8, ptr %invariant.gep, i64 %12
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %44
  %.029 = phi i32 [ %.2, %44 ], [ 0, %.lr.ph.preheader ]
  %.02128 = phi i32 [ %.223, %44 ], [ 0, %.lr.ph.preheader ]
  %13 = sext i32 %.02128 to i64
  %14 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %13)
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %16 = sext i32 %.029 to i64
  %17 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %16)
  %18 = load i8, ptr %17, align 1, !tbaa !5
  %19 = icmp eq i8 %15, %18
  %20 = zext i1 %19 to i32
  %.122 = add nsw i32 %.02128, %20
  %.1 = add nsw i32 %.029, %20
  %21 = icmp eq i32 %.1, %7
  br i1 %21, label %24, label %29

22:                                               ; preds = %2
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  resume { ptr, i32 } %23

24:                                               ; preds = %.lr.ph
  %25 = sub nsw i32 %.122, %7
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %25)
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @.str)
  %28 = load i32, ptr %gep27, align 4, !tbaa !8
  br label %44

29:                                               ; preds = %.lr.ph
  %30 = icmp slt i32 %.122, %5
  br i1 %30, label %31, label %44

31:                                               ; preds = %29
  %32 = sext i32 %.122 to i64
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %32)
  %34 = load i8, ptr %33, align 1, !tbaa !5
  %35 = sext i32 %.1 to i64
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %35)
  %37 = load i8, ptr %36, align 1, !tbaa !5
  %.not = icmp eq i8 %34, %37
  br i1 %.not, label %44, label %38

38:                                               ; preds = %31
  %39 = icmp eq i32 %.1, 0
  br i1 %39, label %40, label %42

40:                                               ; preds = %38
  %41 = add nsw i32 %.122, 1
  br label %44

42:                                               ; preds = %38
  %gep = getelementptr i32, ptr %invariant.gep, i64 %35
  %43 = load i32, ptr %gep, align 4, !tbaa !8
  br label %44

44:                                               ; preds = %29, %31, %42, %40, %24
  %.223 = phi i32 [ %.122, %24 ], [ %41, %40 ], [ %.122, %42 ], [ %.122, %31 ], [ %.122, %29 ]
  %.2 = phi i32 [ %28, %24 ], [ 0, %40 ], [ %43, %42 ], [ %.1, %31 ], [ %.1, %29 ]
  %45 = icmp slt i32 %.223, %5
  br i1 %45, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge:                                      ; preds = %44, %10
  ret void
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

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 = { mustprogress nounwind 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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