; LLVM IR from Tiramisu-Compiler/tiramisu :: utils/code_generator (tiramisu_code_generator)

; 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.computation_abstract = type { %"class.std::__cxx11::basic_string", %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<variable *, std::allocator<variable *>>::_Vector_impl" }
%"struct.std::_Vector_base<variable *, std::allocator<variable *>>::_Vector_impl" = type { %"struct.std::_Vector_base<variable *, std::allocator<variable *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<variable *, std::allocator<variable *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str.13 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [4 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: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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 dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN20computation_abstract14vars_to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(56)) #2 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)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z38assignment_expression_generator_inputsB5cxx11St6vectorIP20computation_abstractSaIS1_EE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca i1, align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #5
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #5
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  call void @_ZN20computation_abstract14vars_to_stringB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(56) %18)
  store i1 false, ptr %6, align 1
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #5
  %20 = load ptr, ptr %19, align 8, !tbaa !5
  %21 = getelementptr inbounds %class.computation_abstract, ptr %20, i32 0, i32 0
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %21, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %22 unwind label %29

22:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 1, ptr %9, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %110, %22
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = call noundef i64 @_ZNKSt6vectorIP20computation_abstractSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  %27 = icmp ult i64 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %114

29:                                               ; preds = %2
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %7, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %8, align 4
  br label %118

33:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  %34 = call i32 @rand() #5
  %35 = srem i32 %34, 3
  store i32 %35, ptr %10, align 4, !tbaa !9
  %36 = load i32, ptr %10, align 4, !tbaa !9
  switch i32 %36, label %109 [
    i32 0, label %37
    i32 1, label %61
    i32 2, label %85
  ]

37:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #5
  %38 = load i32, ptr %9, align 4, !tbaa !9
  %39 = sext i32 %38 to i64
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %39) #5
  %41 = load ptr, ptr %40, align 8, !tbaa !5
  %42 = getelementptr inbounds %class.computation_abstract, ptr %41, i32 0, i32 0
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef @.str.13, ptr noundef nonnull align 8 dereferenceable(32) %42)
          to label %43 unwind label %47

43:                                               ; preds = %37
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %44 unwind label %51

44:                                               ; preds = %43
  %45 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %46 unwind label %55

46:                                               ; preds = %44
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  br label %109

47:                                               ; preds = %37
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %7, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %8, align 4
  br label %60

51:                                               ; preds = %43
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %7, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %8, align 4
  br label %59

55:                                               ; preds = %44
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %7, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  br label %59

59:                                               ; preds = %55, %51
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #5
  br label %60

60:                                               ; preds = %59, %47
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  br label %113

61:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 32, ptr %13) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #5
  %62 = load i32, ptr %9, align 4, !tbaa !9
  %63 = sext i32 %62 to i64
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %63) #5
  %65 = load ptr, ptr %64, align 8, !tbaa !5
  %66 = getelementptr inbounds %class.computation_abstract, ptr %65, i32 0, i32 0
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %14, ptr noundef @.str.14, ptr noundef nonnull align 8 dereferenceable(32) %66)
          to label %67 unwind label %71

67:                                               ; preds = %61
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %13, ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %68 unwind label %75

68:                                               ; preds = %67
  %69 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %70 unwind label %79

70:                                               ; preds = %68
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #5
  br label %109

71:                                               ; preds = %61
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %7, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %8, align 4
  br label %84

75:                                               ; preds = %67
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %7, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %8, align 4
  br label %83

79:                                               ; preds = %68
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %7, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #5
  br label %83

83:                                               ; preds = %79, %75
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #5
  br label %84

84:                                               ; preds = %83, %71
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #5
  br label %113

85:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #5
  %86 = load i32, ptr %9, align 4, !tbaa !9
  %87 = sext i32 %86 to i64
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %87) #5
  %89 = load ptr, ptr %88, align 8, !tbaa !5
  %90 = getelementptr inbounds %class.computation_abstract, ptr %89, i32 0, i32 0
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %16, ptr noundef @.str.18, ptr noundef nonnull align 8 dereferenceable(32) %90)
          to label %91 unwind label %95

91:                                               ; preds = %85
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %92 unwind label %99

92:                                               ; preds = %91
  %93 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %94 unwind label %103

94:                                               ; preds = %92
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #5
  br label %109

95:                                               ; preds = %85
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %7, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %8, align 4
  br label %108

99:                                               ; preds = %91
  %100 = landingpad { ptr, i32 }
          cleanup
  %101 = extractvalue { ptr, i32 } %100, 0
  store ptr %101, ptr %7, align 8
  %102 = extractvalue { ptr, i32 } %100, 1
  store i32 %102, ptr %8, align 4
  br label %107

103:                                              ; preds = %92
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %7, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #5
  br label %107

107:                                              ; preds = %103, %99
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #5
  br label %108

108:                                              ; preds = %107, %95
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #5
  br label %113

109:                                              ; preds = %94, %70, %46, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %9, align 4, !tbaa !9
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %9, align 4, !tbaa !9
  br label %23, !llvm.loop !11

113:                                              ; preds = %108, %84, %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %118

114:                                              ; preds = %28
  store i1 true, ptr %6, align 1
  %115 = load i1, ptr %6, align 1
  br i1 %115, label %117, label %116

116:                                              ; preds = %114
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %117

117:                                              ; preds = %116, %114
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #5
  ret void

118:                                              ; preds = %113, %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #5
  br label %119

119:                                              ; preds = %118
  %120 = load ptr, ptr %7, align 8
  %121 = load i32, ptr %8, align 4
  %122 = insertvalue { ptr, i32 } poison, ptr %120, 0
  %123 = insertvalue { ptr, i32 } %122, i32 %121, 1
  resume { ptr, i32 } %123
}

; Function Attrs: nounwind
declare i32 @rand() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP20computation_abstractSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(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)) #4

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 = { nounwind "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 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 }

!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 = distinct !{!11, !12}
!12 = !{!"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] }

@.str.13 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [4 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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 dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN20computation_abstract14vars_to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 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 #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z38assignment_expression_generator_inputsB5cxx11St6vectorIP20computation_abstractSaIS1_EE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  %10 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #5
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  call void @_ZN20computation_abstract14vars_to_stringB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(56) %11)
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #5
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_SA_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %13, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %.preheader unwind label %16

.preheader:                                       ; preds = %2
  %14 = call noundef i64 @_ZNKSt6vectorIP20computation_abstractSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  %15 = icmp ugt i64 %14, 1
  br i1 %15, label %.lr.ph, label %._crit_edge

16:                                               ; preds = %2
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %69

.lr.ph:                                           ; preds = %.preheader, %65
  %indvars.iv = phi i64 [ %indvars.iv.next, %65 ], [ 1, %.preheader ]
  %18 = call i32 @rand() #5
  %19 = srem i32 %18, 3
  switch i32 %19, label %65 [
    i32 0, label %20
    i32 1, label %35
    i32 2, label %50
  ]

20:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #5
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #5
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull @.str.13, ptr noundef nonnull align 8 dereferenceable(32) %22)
          to label %23 unwind label %27

23:                                               ; preds = %20
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %24 unwind label %29

24:                                               ; preds = %23
  %25 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %26 unwind label %31

26:                                               ; preds = %24
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  br label %65

27:                                               ; preds = %20
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %34

29:                                               ; preds = %23
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %33

31:                                               ; preds = %24
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  br label %33

33:                                               ; preds = %31, %29
  %.pn23 = phi { ptr, i32 } [ %32, %31 ], [ %30, %29 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  br label %34

34:                                               ; preds = %33, %27
  %.pn23.pn = phi { ptr, i32 } [ %.pn23, %33 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  br label %68

35:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #5
  %37 = load ptr, ptr %36, align 8, !tbaa !5
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull @.str.14, ptr noundef nonnull align 8 dereferenceable(32) %37)
          to label %38 unwind label %42

38:                                               ; preds = %35
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %39 unwind label %44

39:                                               ; preds = %38
  %40 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %41 unwind label %46

41:                                               ; preds = %39
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  br label %65

42:                                               ; preds = %35
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %49

44:                                               ; preds = %38
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %48

46:                                               ; preds = %39
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %48

48:                                               ; preds = %46, %44
  %.pn20 = phi { ptr, i32 } [ %47, %46 ], [ %45, %44 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  br label %49

49:                                               ; preds = %48, %42
  %.pn20.pn = phi { ptr, i32 } [ %.pn20, %48 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  br label %68

50:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #5
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP20computation_abstractSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #5
  %52 = load ptr, ptr %51, align 8, !tbaa !5
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %9, ptr noundef nonnull @.str.18, ptr noundef nonnull align 8 dereferenceable(32) %52)
          to label %53 unwind label %57

53:                                               ; preds = %50
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %54 unwind label %59

54:                                               ; preds = %53
  %55 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %56 unwind label %61

56:                                               ; preds = %54
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  br label %65

57:                                               ; preds = %50
  %58 = landingpad { ptr, i32 }
          cleanup
  br label %64

59:                                               ; preds = %53
  %60 = landingpad { ptr, i32 }
          cleanup
  br label %63

61:                                               ; preds = %54
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  br label %63

63:                                               ; preds = %61, %59
  %.pn = phi { ptr, i32 } [ %62, %61 ], [ %60, %59 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  br label %64

64:                                               ; preds = %63, %57
  %.pn.pn = phi { ptr, i32 } [ %.pn, %63 ], [ %58, %57 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  br label %68

65:                                               ; preds = %56, %41, %26, %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %66 = call noundef i64 @_ZNKSt6vectorIP20computation_abstractSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  %67 = icmp ugt i64 %66, %indvars.iv.next
  br i1 %67, label %.lr.ph, label %._crit_edge, !llvm.loop !9

68:                                               ; preds = %64, %49, %34
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %64 ], [ %.pn20.pn, %49 ], [ %.pn23.pn, %34 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %69

._crit_edge:                                      ; preds = %65, %.preheader
  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
  ret void

69:                                               ; preds = %68, %16
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %68 ], [ %17, %16 ]
  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
  resume { ptr, i32 } %.pn.pn.pn.pn
}

; Function Attrs: nounwind
declare i32 @rand() local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP20computation_abstractSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(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 #4

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 = { nounwind "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 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 }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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