; LLVM IR from buresjan/optim_lbm :: nomad/src/Util (utils)

; 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] }
%"class.__gnu_cxx::__normal_iterator.3" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str.9 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [5 x i8], align 1

; 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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9NOMAD_4_37toupperERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 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 uwtable
define dso_local noundef zeroext i1 @_ZN9NOMAD_4_34atoiERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 4 dereferenceable(4) %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.3", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 -1, ptr %16, align 4, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %17) #6
  br i1 %18, label %19, label %20

19:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %114

20:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %21) #6
  store i64 %22, ptr %6, align 8, !tbaa !11
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %23, i64 noundef 0) #6
  %25 = load i8, ptr %24, align 1, !tbaa !13
  %26 = sext i8 %25 to i32
  %27 = icmp eq i32 %26, 45
  br i1 %27, label %28, label %66

28:                                               ; preds = %20
  %29 = load i64, ptr %6, align 8, !tbaa !11
  %30 = icmp ugt i64 %29, 1
  br i1 %30, label %31, label %38

31:                                               ; preds = %28
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %32, i64 noundef 1) #6
  %34 = load i8, ptr %33, align 1, !tbaa !13
  %35 = sext i8 %34 to i32
  %36 = icmp eq i32 %35, 45
  br i1 %36, label %37, label %38

37:                                               ; preds = %31
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %112

38:                                               ; preds = %31, %28
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #6
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %39)
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %40 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %41 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %40, ptr %41, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %42 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.3", ptr %9, i32 0, i32 0
  %43 = load ptr, ptr %42, align 8
  %44 = invoke ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEN9__gnu_cxx17__normal_iteratorIPKcS4_EE(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr %43)
          to label %45 unwind label %55

45:                                               ; preds = %38
  %46 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %44, ptr %46, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  %47 = load ptr, ptr %5, align 8, !tbaa !5
  %48 = invoke noundef zeroext i1 @_ZN9NOMAD_4_34atoiERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERi(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 4 dereferenceable(4) %47)
          to label %49 unwind label %59

49:                                               ; preds = %45
  br i1 %48, label %50, label %63

50:                                               ; preds = %49
  %51 = load ptr, ptr %5, align 8, !tbaa !5
  %52 = load i32, ptr %51, align 4, !tbaa !9
  %53 = sub nsw i32 0, %52
  %54 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %53, ptr %54, align 4, !tbaa !9
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %64

55:                                               ; preds = %38
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %11, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %65

59:                                               ; preds = %45
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %11, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %12, align 4
  br label %65

63:                                               ; preds = %49
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %64

64:                                               ; preds = %63, %50
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  br label %112

65:                                               ; preds = %59, %55
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  br label %113

66:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #6
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef nonnull align 8 dereferenceable(32) %67)
  invoke void @_ZN9NOMAD_4_37toupperERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %68 unwind label %76

68:                                               ; preds = %66
  %69 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef @.str.9)
          to label %70 unwind label %76

70:                                               ; preds = %68
  br i1 %69, label %74, label %71

71:                                               ; preds = %70
  %72 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef @.str.10)
          to label %73 unwind label %76

73:                                               ; preds = %71
  br i1 %72, label %74, label %80

74:                                               ; preds = %73, %70
  %75 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 2147483647, ptr %75, align 4, !tbaa !9
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %111

76:                                               ; preds = %80, %71, %68, %66
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %11, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %12, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #6
  br label %113

80:                                               ; preds = %73
  %81 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef @.str.11)
          to label %82 unwind label %76

82:                                               ; preds = %80
  br i1 %81, label %83, label %85

83:                                               ; preds = %82
  %84 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 -2147483648, ptr %84, align 4, !tbaa !9
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %111

85:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  store i64 0, ptr %15, align 8, !tbaa !11
  br label %86

86:                                               ; preds = %101, %85
  %87 = load i64, ptr %15, align 8, !tbaa !11
  %88 = load i64, ptr %6, align 8, !tbaa !11
  %89 = icmp ult i64 %87, %88
  br i1 %89, label %91, label %90

90:                                               ; preds = %86
  store i32 2, ptr %7, align 4
  br label %104

91:                                               ; preds = %86
  %92 = load ptr, ptr %4, align 8, !tbaa !5
  %93 = load i64, ptr %15, align 8, !tbaa !11
  %94 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %92, i64 noundef %93) #6
  %95 = load i8, ptr %94, align 1, !tbaa !13
  %96 = sext i8 %95 to i32
  %97 = call i32 @isdigit(i32 noundef %96) #7
  %98 = icmp ne i32 %97, 0
  br i1 %98, label %100, label %99

99:                                               ; preds = %91
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %104

100:                                              ; preds = %91
  br label %101

101:                                              ; preds = %100
  %102 = load i64, ptr %15, align 8, !tbaa !11
  %103 = add i64 %102, 1
  store i64 %103, ptr %15, align 8, !tbaa !11
  br label %86, !llvm.loop !14

104:                                              ; preds = %99, %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  %105 = load i32, ptr %7, align 4
  switch i32 %105, label %111 [
    i32 2, label %106
  ]

106:                                              ; preds = %104
  %107 = load ptr, ptr %4, align 8, !tbaa !5
  %108 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %107) #6
  %109 = call i32 @atoi(ptr noundef %108) #7
  %110 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %109, ptr %110, align 4, !tbaa !9
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %111

111:                                              ; preds = %106, %104, %83, %74
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #6
  br label %112

112:                                              ; preds = %111, %64, %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %114

113:                                              ; preds = %76, %65
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %116

114:                                              ; preds = %112, %19
  %115 = load i1, ptr %3, align 1
  ret i1 %115

116:                                              ; preds = %113
  %117 = load ptr, ptr %11, align 8
  %118 = load i32, ptr %12, align 4
  %119 = insertvalue { ptr, i32 } poison, ptr %117, 0
  %120 = insertvalue { ptr, i32 } %119, i32 %118, 1
  resume { ptr, i32 } %120
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEN9__gnu_cxx17__normal_iteratorIPKcS4_EE(ptr noundef nonnull align 8 dereferenceable(32), ptr) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #3

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isdigit(i32 noundef) #4

; Function Attrs: inlinehint mustprogress nounwind willreturn memory(read) uwtable
declare i32 @atoi(ptr noundef nonnull) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

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 = { 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 = { 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 willreturn memory(read) "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 = { inlinehint mustprogress nounwind willreturn memory(read) 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 }
attributes #7 = { nounwind willreturn memory(read) }

!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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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] }
%"class.__gnu_cxx::__normal_iterator.3" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str.9 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [5 x i8], align 1

; 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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9NOMAD_4_37toupperERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 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 uwtable
define dso_local noundef zeroext i1 @_ZN9NOMAD_4_34atoiERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr nocapture noundef nonnull align 4 dereferenceable(4) %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.3", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  store i32 -1, ptr %1, align 4, !tbaa !5
  %7 = tail call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br i1 %7, label %52, label %8

8:                                                ; preds = %2
  %9 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %10 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0) #5
  %11 = load i8, ptr %10, align 1, !tbaa !9
  %12 = icmp eq i8 %11, 45
  br i1 %12, label %13, label %35

13:                                               ; preds = %8
  %14 = icmp ugt i64 %9, 1
  br i1 %14, label %15, label %19

15:                                               ; preds = %13
  %16 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 1) #5
  %17 = load i8, ptr %16, align 1, !tbaa !9
  %18 = icmp eq i8 %17, 45
  br i1 %18, label %52, label %19

19:                                               ; preds = %15, %13
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %0)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %20 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  store ptr %20, ptr %5, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %21 = load ptr, ptr %4, align 8
  %22 = invoke ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEN9__gnu_cxx17__normal_iteratorIPKcS4_EE(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr %21)
          to label %23 unwind label %29

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %24 = invoke noundef zeroext i1 @_ZN9NOMAD_4_34atoiERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERi(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %25 unwind label %31

25:                                               ; preds = %23
  br i1 %24, label %26, label %33

26:                                               ; preds = %25
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = sub nsw i32 0, %27
  store i32 %28, ptr %1, align 4, !tbaa !5
  br label %33

29:                                               ; preds = %19
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  br label %34

31:                                               ; preds = %23
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %34

33:                                               ; preds = %25, %26
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br label %52

34:                                               ; preds = %31, %29
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %30, %29 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br label %51

35:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %0)
  invoke void @_ZN9NOMAD_4_37toupperERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %36 unwind label %40

36:                                               ; preds = %35
  %37 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str.9)
  br i1 %37, label %.loopexit.sink.split, label %38

38:                                               ; preds = %36
  %39 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str.10)
  br i1 %39, label %.loopexit.sink.split, label %42

40:                                               ; preds = %35
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  br label %51

42:                                               ; preds = %38
  %43 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str.11)
  br i1 %43, label %.loopexit.sink.split, label %.preheader

.preheader:                                       ; preds = %42
  %.not31.not = icmp eq i64 %9, 0
  br i1 %.not31.not, label %.critedge, label %.lr.ph

44:                                               ; preds = %.lr.ph
  %45 = add nuw i64 %.032, 1
  %exitcond.not = icmp eq i64 %45, %9
  br i1 %exitcond.not, label %.critedge, label %.lr.ph, !llvm.loop !10

.lr.ph:                                           ; preds = %.preheader, %44
  %.032 = phi i64 [ %45, %44 ], [ 0, %.preheader ]
  %46 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %.032) #5
  %47 = load i8, ptr %46, align 1, !tbaa !9
  %48 = sext i8 %47 to i32
  %isdigittmp = add nsw i32 %48, -48
  %isdigit = icmp ult i32 %isdigittmp, 10
  br i1 %isdigit, label %44, label %.loopexit

.critedge:                                        ; preds = %44, %.preheader
  %49 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %50 = call i32 @atoi(ptr nocapture noundef %49) #6
  br label %.loopexit.sink.split

.loopexit.sink.split:                             ; preds = %42, %36, %38, %.critedge
  %.sink = phi i32 [ %50, %.critedge ], [ 2147483647, %38 ], [ 2147483647, %36 ], [ -2147483648, %42 ]
  store i32 %.sink, ptr %1, align 4, !tbaa !5
  br label %.loopexit

.loopexit:                                        ; preds = %.lr.ph, %.loopexit.sink.split
  %.2 = phi i1 [ true, %.loopexit.sink.split ], [ false, %.lr.ph ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  br label %52

51:                                               ; preds = %40, %34
  %.pn.pn = phi { ptr, i32 } [ %.pn, %34 ], [ %41, %40 ]
  resume { ptr, i32 } %.pn.pn

52:                                               ; preds = %33, %.loopexit, %15, %2
  %.4 = phi i1 [ false, %2 ], [ %24, %33 ], [ %.2, %.loopexit ], [ false, %15 ]
  ret i1 %.4
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEN9__gnu_cxx17__normal_iteratorIPKcS4_EE(ptr noundef nonnull align 8 dereferenceable(32), ptr) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nofree nounwind willreturn memory(read) uwtable
declare i32 @atoi(ptr nocapture noundef nonnull) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

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 = { 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 = { 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 = { inlinehint mustprogress nofree nounwind willreturn memory(read) 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 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass