; LLVM IR from upupming/algorithm :: acwing/算法竞赛进阶指南/0x18-总结与练习/158. 项链/Z9getMinRepRNSt7/cxx1112basic_stringIcSt11_63e5e34e/Z9getMinRepRNSt7 (traitsIcESaIcEEE)

; 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::__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] }

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9getMinRepRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  %11 = trunc i64 %10 to i32
  store i32 %11, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #4
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull align 8 dereferenceable(32) %13)
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 1, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %93, %1
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = load i32, ptr %3, align 4, !tbaa !9
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %20, label %28

20:                                               ; preds = %16
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = load i32, ptr %3, align 4, !tbaa !9
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %24, label %28

24:                                               ; preds = %20
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = icmp slt i32 %25, %26
  br label %28

28:                                               ; preds = %24, %20, %16
  %29 = phi i1 [ false, %20 ], [ false, %16 ], [ %27, %24 ]
  br i1 %29, label %31, label %30

30:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %96

31:                                               ; preds = %28
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = load i32, ptr %5, align 4, !tbaa !9
  %34 = load i32, ptr %7, align 4, !tbaa !9
  %35 = add nsw i32 %33, %34
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %32, i64 noundef %36)
  %38 = load i8, ptr %37, align 1, !tbaa !11
  %39 = sext i8 %38 to i32
  %40 = load ptr, ptr %2, align 8, !tbaa !5
  %41 = load i32, ptr %6, align 4, !tbaa !9
  %42 = load i32, ptr %7, align 4, !tbaa !9
  %43 = add nsw i32 %41, %42
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %40, i64 noundef %44)
  %46 = load i8, ptr %45, align 1, !tbaa !11
  %47 = sext i8 %46 to i32
  %48 = icmp slt i32 %39, %47
  br i1 %48, label %49, label %61

49:                                               ; preds = %31
  %50 = load i32, ptr %6, align 4, !tbaa !9
  %51 = load i32, ptr %7, align 4, !tbaa !9
  %52 = add nsw i32 %50, %51
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %6, align 4, !tbaa !9
  %54 = load i32, ptr %5, align 4, !tbaa !9
  %55 = load i32, ptr %6, align 4, !tbaa !9
  %56 = icmp eq i32 %54, %55
  br i1 %56, label %57, label %60

57:                                               ; preds = %49
  %58 = load i32, ptr %6, align 4, !tbaa !9
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %6, align 4, !tbaa !9
  br label %60

60:                                               ; preds = %57, %49
  store i32 -1, ptr %7, align 4, !tbaa !9
  br label %92

61:                                               ; preds = %31
  %62 = load ptr, ptr %2, align 8, !tbaa !5
  %63 = load i32, ptr %5, align 4, !tbaa !9
  %64 = load i32, ptr %7, align 4, !tbaa !9
  %65 = add nsw i32 %63, %64
  %66 = sext i32 %65 to i64
  %67 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %62, i64 noundef %66)
  %68 = load i8, ptr %67, align 1, !tbaa !11
  %69 = sext i8 %68 to i32
  %70 = load ptr, ptr %2, align 8, !tbaa !5
  %71 = load i32, ptr %6, align 4, !tbaa !9
  %72 = load i32, ptr %7, align 4, !tbaa !9
  %73 = add nsw i32 %71, %72
  %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) %70, i64 noundef %74)
  %76 = load i8, ptr %75, align 1, !tbaa !11
  %77 = sext i8 %76 to i32
  %78 = icmp sgt i32 %69, %77
  br i1 %78, label %79, label %91

79:                                               ; preds = %61
  %80 = load i32, ptr %5, align 4, !tbaa !9
  %81 = load i32, ptr %7, align 4, !tbaa !9
  %82 = add nsw i32 %80, %81
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %5, align 4, !tbaa !9
  %84 = load i32, ptr %5, align 4, !tbaa !9
  %85 = load i32, ptr %6, align 4, !tbaa !9
  %86 = icmp eq i32 %84, %85
  br i1 %86, label %87, label %90

87:                                               ; preds = %79
  %88 = load i32, ptr %5, align 4, !tbaa !9
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %5, align 4, !tbaa !9
  br label %90

90:                                               ; preds = %87, %79
  store i32 -1, ptr %7, align 4, !tbaa !9
  br label %91

91:                                               ; preds = %90, %61
  br label %92

92:                                               ; preds = %91, %60
  br label %93

93:                                               ; preds = %92
  %94 = load i32, ptr %7, align 4, !tbaa !9
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %7, align 4, !tbaa !9
  br label %16, !llvm.loop !12

96:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #4
  %97 = load ptr, ptr %2, align 8, !tbaa !5
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %99 = load i32, ptr %98, align 4, !tbaa !9
  %100 = sext i32 %99 to i64
  %101 = load i32, ptr %3, align 4, !tbaa !9
  %102 = sext i32 %101 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %97, i64 noundef %100, i64 noundef %102)
  %103 = load ptr, ptr %2, align 8, !tbaa !5
  %104 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %103, ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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) #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

attributes #0 = { 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 #1 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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 #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 = !{!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::__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] }

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9getMinRepRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) local_unnamed_addr #1 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %7 = trunc i64 %6 to i32
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #4
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %2, ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %0)
  %8 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 1, ptr %4, align 4, !tbaa !5
  %9 = icmp sgt i32 %7, 0
  br i1 %9, label %.lr.ph, label %.critedge

.lr.ph:                                           ; preds = %1, %49
  %10 = phi i32 [ %50, %49 ], [ 0, %1 ]
  %11 = phi i32 [ %51, %49 ], [ 1, %1 ]
  %12 = phi i32 [ %52, %49 ], [ 1, %1 ]
  %13 = phi i32 [ %53, %49 ], [ 1, %1 ]
  %14 = phi i32 [ %54, %49 ], [ 0, %1 ]
  %.026 = phi i32 [ %55, %49 ], [ 0, %1 ]
  %15 = icmp slt i32 %14, %7
  %16 = icmp slt i32 %13, %7
  %or.cond = select i1 %15, i1 %16, i1 false
  br i1 %or.cond, label %22, label %.critedge

.critedge:                                        ; preds = %49, %.lr.ph, %1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  %17 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %sext = shl i64 %6, 32
  %20 = ashr exact i64 %sext, 32
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %19, i64 noundef %20)
  %21 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  ret void

22:                                               ; preds = %.lr.ph
  %23 = add nsw i32 %14, %.026
  %24 = sext i32 %23 to i64
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %24)
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = add nsw i32 %13, %.026
  %28 = sext i32 %27 to i64
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %28)
  %30 = load i8, ptr %29, align 1, !tbaa !9
  %31 = icmp slt i8 %26, %30
  br i1 %31, label %32, label %38

32:                                               ; preds = %22
  %33 = add nsw i32 %11, %.026
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %4, align 4, !tbaa !5
  %35 = icmp eq i32 %10, %34
  br i1 %35, label %36, label %49

36:                                               ; preds = %32
  %37 = add nsw i32 %33, 2
  store i32 %37, ptr %4, align 4, !tbaa !5
  br label %49

38:                                               ; preds = %22
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %24)
  %40 = load i8, ptr %39, align 1, !tbaa !9
  %41 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %28)
  %42 = load i8, ptr %41, align 1, !tbaa !9
  %43 = icmp sgt i8 %40, %42
  br i1 %43, label %44, label %49

44:                                               ; preds = %38
  %45 = add nsw i32 %23, 1
  store i32 %45, ptr %3, align 4, !tbaa !5
  %46 = icmp eq i32 %45, %12
  br i1 %46, label %47, label %49

47:                                               ; preds = %44
  %48 = add nsw i32 %23, 2
  store i32 %48, ptr %3, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %44, %47, %32, %36, %38
  %50 = phi i32 [ %10, %38 ], [ %10, %36 ], [ %10, %32 ], [ %48, %47 ], [ %45, %44 ]
  %51 = phi i32 [ %11, %38 ], [ %37, %36 ], [ %34, %32 ], [ %11, %47 ], [ %11, %44 ]
  %52 = phi i32 [ %12, %38 ], [ %37, %36 ], [ %34, %32 ], [ %12, %47 ], [ %12, %44 ]
  %53 = phi i32 [ %13, %38 ], [ %37, %36 ], [ %34, %32 ], [ %12, %47 ], [ %12, %44 ]
  %54 = phi i32 [ %14, %38 ], [ %10, %36 ], [ %10, %32 ], [ %48, %47 ], [ %45, %44 ]
  %.1 = phi i32 [ %.026, %38 ], [ -1, %36 ], [ -1, %32 ], [ -1, %47 ], [ -1, %44 ]
  %55 = add nsw i32 %.1, 1
  %56 = icmp slt i32 %55, %7
  br i1 %56, label %.lr.ph, label %.critedge, !llvm.loop !10
}

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

attributes #0 = { 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 #1 = { 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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