; LLVM IR from ral99/knuckleball :: src (grammar)

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

declare i32 @__gxx_personality_v0(...)

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

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

declare void @_ZN9str_utils5ltrimERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 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) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7Grammar24is_keyword_message_tokenERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7Grammar27is_keyword_message_argumentERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN7Grammar23is_keyword_message_partERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) #3 personality ptr @__gxx_personality_v0 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca i1, align 1
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca i1, align 1
  %13 = alloca i1, align 1
  %14 = alloca i1, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %100, %1
  %16 = load i32, ptr %4, align 4, !tbaa !9
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  %19 = trunc i64 %18 to i32
  %20 = icmp slt i32 %16, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %15
  store i32 2, ptr %5, align 4
  br label %103

22:                                               ; preds = %15
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = load i32, ptr %4, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %23, i64 noundef %25) #4
  %27 = load i8, ptr %26, align 1, !tbaa !11
  %28 = sext i8 %27 to i32
  %29 = icmp eq i32 %28, 58
  br i1 %29, label %38, label %30

30:                                               ; preds = %22
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  %32 = load i32, ptr %4, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %31, i64 noundef %33) #4
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %36 = sext i8 %35 to i32
  %37 = icmp eq i32 %36, 63
  br i1 %37, label %38, label %99

38:                                               ; preds = %30, %22
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = load i32, ptr %4, align 4, !tbaa !9
  %41 = add nsw i32 %40, 1
  %42 = sext i32 %41 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %39, i64 noundef 0, i64 noundef %42)
  store i1 false, ptr %10, align 1
  store i1 false, ptr %12, align 1
  store i1 false, ptr %13, align 1
  store i1 false, ptr %14, align 1
  %43 = invoke noundef zeroext i1 @_ZN7Grammar24is_keyword_message_tokenERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %44 unwind label %68

44:                                               ; preds = %38
  br i1 %43, label %45, label %54

45:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #4
  store i1 true, ptr %10, align 1
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #4
  store i1 true, ptr %12, align 1
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = load i32, ptr %4, align 4, !tbaa !9
  %48 = add nsw i32 %47, 1
  %49 = sext i32 %48 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %46, i64 noundef %49, i64 noundef -1)
          to label %50 unwind label %72

50:                                               ; preds = %45
  store i1 true, ptr %13, align 1
  invoke void @_ZN9str_utils5ltrimERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %9, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %51 unwind label %76

51:                                               ; preds = %50
  store i1 true, ptr %14, align 1
  %52 = invoke noundef zeroext i1 @_ZN7Grammar27is_keyword_message_argumentERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %53 unwind label %80

53:                                               ; preds = %51
  br label %54

54:                                               ; preds = %53, %44
  %55 = phi i1 [ false, %44 ], [ %52, %53 ]
  store i1 %55, ptr %2, align 1
  %56 = load i1, ptr %14, align 1
  br i1 %56, label %57, label %58

57:                                               ; preds = %54
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  br label %58

58:                                               ; preds = %57, %54
  %59 = load i1, ptr %13, align 1
  br i1 %59, label %60, label %61

60:                                               ; preds = %58
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  br label %61

61:                                               ; preds = %60, %58
  %62 = load i1, ptr %12, align 1
  br i1 %62, label %63, label %64

63:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  br label %64

64:                                               ; preds = %63, %61
  %65 = load i1, ptr %10, align 1
  br i1 %65, label %66, label %67

66:                                               ; preds = %64
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #4
  br label %67

67:                                               ; preds = %66, %64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  store i32 1, ptr %5, align 4
  br label %103

68:                                               ; preds = %38
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %7, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %8, align 4
  br label %98

72:                                               ; preds = %45
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %7, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %8, align 4
  br label %91

76:                                               ; preds = %50
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %7, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %8, align 4
  br label %87

80:                                               ; preds = %51
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %7, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %8, align 4
  %84 = load i1, ptr %14, align 1
  br i1 %84, label %85, label %86

85:                                               ; preds = %80
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  br label %86

86:                                               ; preds = %85, %80
  br label %87

87:                                               ; preds = %86, %76
  %88 = load i1, ptr %13, align 1
  br i1 %88, label %89, label %90

89:                                               ; preds = %87
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  br label %90

90:                                               ; preds = %89, %87
  br label %91

91:                                               ; preds = %90, %72
  %92 = load i1, ptr %12, align 1
  br i1 %92, label %93, label %94

93:                                               ; preds = %91
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  br label %94

94:                                               ; preds = %93, %91
  %95 = load i1, ptr %10, align 1
  br i1 %95, label %96, label %97

96:                                               ; preds = %94
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #4
  br label %97

97:                                               ; preds = %96, %94
  br label %98

98:                                               ; preds = %97, %68
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %108

99:                                               ; preds = %30
  br label %100

100:                                              ; preds = %99
  %101 = load i32, ptr %4, align 4, !tbaa !9
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %4, align 4, !tbaa !9
  br label %15, !llvm.loop !12

103:                                              ; preds = %67, %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  %104 = load i32, ptr %5, align 4
  switch i32 %104, label %113 [
    i32 2, label %105
    i32 1, label %106
  ]

105:                                              ; preds = %103
  store i1 false, ptr %2, align 1
  br label %106

106:                                              ; preds = %105, %103
  %107 = load i1, ptr %2, align 1
  ret i1 %107

108:                                              ; preds = %98
  %109 = load ptr, ptr %7, align 8
  %110 = load i32, ptr %8, align 4
  %111 = insertvalue { ptr, i32 } poison, ptr %109, 0
  %112 = insertvalue { ptr, i32 } %111, i32 %110, 1
  resume { ptr, i32 } %112

113:                                              ; preds = %103
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = !{!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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

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

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

declare void @_ZN9str_utils5ltrimERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(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 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 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 #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7Grammar24is_keyword_message_tokenERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7Grammar27is_keyword_message_argumentERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN7Grammar23is_keyword_message_partERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %6 = trunc i64 %5 to i32
  %.not41 = icmp sgt i32 %6, 0
  br i1 %.not41, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %1, %35
  %indvars.iv = phi i64 [ %indvars.iv.next, %35 ], [ 0, %1 ]
  %7 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv) #4
  %8 = load i8, ptr %7, align 1, !tbaa !5
  %9 = icmp eq i8 %8, 58
  br i1 %9, label %14, label %10

10:                                               ; preds = %.lr.ph
  %11 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv) #4
  %12 = load i8, ptr %11, align 1, !tbaa !5
  %13 = icmp eq i8 %12, 63
  br i1 %13, label %14, label %35

14:                                               ; preds = %10, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #4
  %15 = add nuw nsw i64 %indvars.iv, 1
  %16 = and i64 %15, 4294967295
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %2, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %16)
  %17 = invoke noundef zeroext i1 @_ZN7Grammar24is_keyword_message_tokenERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %18 unwind label %24

18:                                               ; preds = %14
  br i1 %17, label %19, label %.critedge37

19:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %16, i64 noundef -1)
          to label %20 unwind label %26

20:                                               ; preds = %19
  invoke void @_ZN9str_utils5ltrimERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %21 unwind label %28

21:                                               ; preds = %20
  %22 = invoke noundef zeroext i1 @_ZN7Grammar27is_keyword_message_argumentERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %.critedge unwind label %30

.critedge:                                        ; preds = %21
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #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 nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  br label %.critedge37

.critedge37:                                      ; preds = %18, %.critedge
  %23 = phi i1 [ %22, %.critedge ], [ false, %18 ]
  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
  br label %.loopexit

24:                                               ; preds = %14
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %34

26:                                               ; preds = %19
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %33

28:                                               ; preds = %20
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %32

30:                                               ; preds = %21
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  br label %32

32:                                               ; preds = %28, %30
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %29, %28 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  br label %33

33:                                               ; preds = %26, %32
  %.pn.pn = phi { ptr, i32 } [ %.pn, %32 ], [ %27, %26 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  br label %34

34:                                               ; preds = %33, %24
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %33 ], [ %25, %24 ]
  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
  resume { ptr, i32 } %.pn.pn.pn

35:                                               ; preds = %10
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %36 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %sext = shl i64 %36, 32
  %37 = ashr exact i64 %sext, 32
  %.not = icmp slt i64 %indvars.iv.next, %37
  br i1 %.not, label %.lr.ph, label %.loopexit, !llvm.loop !8

.loopexit:                                        ; preds = %35, %1, %.critedge37
  %.not39 = phi i1 [ true, %.critedge37 ], [ false, %1 ], [ false, %35 ]
  %.031 = phi i1 [ %23, %.critedge37 ], [ undef, %1 ], [ undef, %35 ]
  %spec.select = and i1 %.not39, %.031
  ret i1 %spec.select
}

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


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