; LLVM IR from ThomasThelen/Finite-Difference-Method :: src/Engine1D.ll (ZN8Engine1D9CreateCSVE6Mesh1D)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.12", %"struct.std::_Head_base.13" }
%"struct.std::_Tuple_impl.12" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { double }
%"struct.std::_Head_base.13" = type { double }
%class.Engine = type { i64, double, double, double, double, %"class.std::vector", %"class.std::vector.0", %"class.std::vector.5" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::tuple<double, double>, std::allocator<std::tuple<double, double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<double, double>, std::allocator<std::tuple<double, double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<double, double>, std::allocator<std::tuple<double, double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<double, double>, std::allocator<std::tuple<double, double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<std::tuple<double, double>>, std::allocator<std::vector<std::tuple<double, double>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::tuple<double, double>>, std::allocator<std::vector<std::tuple<double, double>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::tuple<double, double>>, std::allocator<std::vector<std::tuple<double, double>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::tuple<double, double>>, std::allocator<std::vector<std::tuple<double, double>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.Mesh1D = type { %struct.Mesh, double, %"class.std::vector" }
%struct.Mesh = type { double, double, double, i32, %"class.std::function", %"class.std::function.10" }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::function.10" = type { %"class.std::_Function_base", ptr }

@.str.13 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #0

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

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8Engine1D9CreateCSVE6Mesh1D(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::basic_ofstream", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::tuple", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::tuple", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %13 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 512, ptr %5) #5
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248) %5)
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %5, ptr noundef @.str.13, i32 noundef 16)
          to label %14 unwind label %22

14:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #5
  call void @_ZNSt5tupleIJddEEC2ILb1ETnNSt9enable_ifIXclsr17_TupleConstraintsIXT_EddEE37__is_implicitly_default_constructibleEEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16) %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %64, %14
  %16 = load i32, ptr %9, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds %class.Engine, ptr %13, i32 0, i32 0
  %19 = load i64, ptr %18, align 8, !tbaa !11
  %20 = icmp ult i64 %17, %19
  br i1 %20, label %26, label %21

21:                                               ; preds = %15
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %67

22:                                               ; preds = %2
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %6, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %7, align 4
  br label %74

26:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %51, %26
  %28 = load i32, ptr %11, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds %struct.Mesh1D, ptr %1, i32 0, i32 2
  %31 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %30) #5
  %32 = icmp ult i64 %29, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %27
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %63

34:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #5
  %35 = load i32, ptr %9, align 4, !tbaa !9
  %36 = load i32, ptr %11, align 4, !tbaa !9
  invoke void @_ZNK6Engine10GetRecordbEii(ptr dead_on_unwind writable sret(%"class.std::tuple") align 8 %12, ptr noundef nonnull align 8 dereferenceable(112) %13, i32 noundef %35, i32 noundef %36)
          to label %37 unwind label %54

37:                                               ; preds = %34
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJddEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 8 dereferenceable(16) %12) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #5
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %8) #5
  %40 = load double, ptr %39, align 8, !tbaa !27
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %5, double noundef %40)
          to label %42 unwind label %58

42:                                               ; preds = %37
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef @.str.14)
          to label %44 unwind label %58

44:                                               ; preds = %42
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %8) #5
  %46 = load double, ptr %45, align 8, !tbaa !27
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %43, double noundef %46)
          to label %48 unwind label %58

48:                                               ; preds = %44
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %50 unwind label %58

50:                                               ; preds = %48
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %11, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %11, align 4, !tbaa !9
  br label %27, !llvm.loop !28

54:                                               ; preds = %34
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %6, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #5
  br label %62

58:                                               ; preds = %48, %44, %42, %37
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %6, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %7, align 4
  br label %62

62:                                               ; preds = %58, %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %73

63:                                               ; preds = %33
  br label %64

64:                                               ; preds = %63
  %65 = load i32, ptr %9, align 4, !tbaa !9
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %9, align 4, !tbaa !9
  br label %15, !llvm.loop !30

67:                                               ; preds = %21
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %5)
          to label %68 unwind label %69

68:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #5
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %5) #5
  call void @llvm.lifetime.end.p0(i64 512, ptr %5) #5
  ret void

69:                                               ; preds = %67
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %6, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %7, align 4
  br label %73

73:                                               ; preds = %69, %62
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #5
  br label %74

74:                                               ; preds = %73, %22
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %5) #5
  call void @llvm.lifetime.end.p0(i64 512, ptr %5) #5
  br label %75

75:                                               ; preds = %74
  %76 = load ptr, ptr %6, align 8
  %77 = load i32, ptr %7, align 4
  %78 = insertvalue { ptr, i32 } poison, ptr %76, 0
  %79 = insertvalue { ptr, i32 } %78, i32 %77, 1
  resume { ptr, i32 } %79
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJddEEC2ILb1ETnNSt9enable_ifIXclsr17_TupleConstraintsIXT_EddEE37__is_implicitly_default_constructibleEEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare void @_ZNK6Engine10GetRecordbEii(ptr dead_on_unwind writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 8 dereferenceable(112), i32 noundef, i32 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJddEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { "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 = !{!12, !13, i64 0}
!12 = !{!"_ZTS6Engine", !13, i64 0, !14, i64 8, !14, i64 16, !14, i64 24, !14, i64 32, !15, i64 40, !19, i64 64, !23, i64 88}
!13 = !{!"long", !7, i64 0}
!14 = !{!"double", !7, i64 0}
!15 = !{!"_ZTSSt6vectorIdSaIdEE", !16, i64 0}
!16 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!19 = !{!"_ZTSSt6vectorISt5tupleIJddEESaIS1_EE", !20, i64 0}
!20 = !{!"_ZTSSt12_Vector_baseISt5tupleIJddEESaIS1_EE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseISt5tupleIJddEESaIS1_EE12_Vector_implE", !22, i64 0}
!22 = !{!"_ZTSNSt12_Vector_baseISt5tupleIJddEESaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!23 = !{!"_ZTSSt6vectorIS_ISt5tupleIJddEESaIS1_EESaIS3_EE", !24, i64 0}
!24 = !{!"_ZTSSt12_Vector_baseISt6vectorISt5tupleIJddEESaIS2_EESaIS4_EE", !25, i64 0}
!25 = !{!"_ZTSNSt12_Vector_baseISt6vectorISt5tupleIJddEESaIS2_EESaIS4_EE12_Vector_implE", !26, i64 0}
!26 = !{!"_ZTSNSt12_Vector_baseISt6vectorISt5tupleIJddEESaIS2_EESaIS4_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!27 = !{!14, !14, i64 0}
!28 = distinct !{!28, !29}
!29 = !{!"llvm.loop.mustprogress"}
!30 = distinct !{!30, !29}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.12", %"struct.std::_Head_base.13" }
%"struct.std::_Tuple_impl.12" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { double }
%"struct.std::_Head_base.13" = type { double }

@.str.13 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #0

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

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8Engine1D9CreateCSVE6Mesh1D(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::basic_ofstream", align 8
  %4 = alloca %"class.std::tuple", align 8
  %5 = alloca %"class.std::tuple", align 8
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %3) #5
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3)
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %3, ptr noundef nonnull @.str.13, i32 noundef 16)
          to label %6 unwind label %11

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #5
  call void @_ZNSt5tupleIJddEEC2ILb1ETnNSt9enable_ifIXclsr17_TupleConstraintsIXT_EddEE37__is_implicitly_default_constructibleEEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #5
  %7 = load i64, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %._crit_edge18, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %6
  %8 = getelementptr inbounds i8, ptr %1, i64 104
  br label %.preheader

.preheader:                                       ; preds = %.preheader.lr.ph, %._crit_edge
  %indvars.iv21 = phi i64 [ 0, %.preheader.lr.ph ], [ %indvars.iv.next22, %._crit_edge ]
  %9 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  %.not19 = icmp eq i64 %9, 0
  br i1 %.not19, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.preheader
  %10 = trunc nuw nsw i64 %indvars.iv21 to i32
  br label %.lr.ph

._crit_edge18:                                    ; preds = %._crit_edge, %6
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %3)
          to label %36 unwind label %37

11:                                               ; preds = %2
  %12 = landingpad { ptr, i32 }
          cleanup
  br label %40

._crit_edge:                                      ; preds = %29, %.preheader
  %indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
  %13 = load i64, ptr %0, align 8, !tbaa !5
  %14 = icmp ugt i64 %13, %indvars.iv.next22
  br i1 %14, label %.preheader, label %._crit_edge18, !llvm.loop !24

.lr.ph:                                           ; preds = %.lr.ph.preheader, %29
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %29 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #5
  %15 = trunc nuw nsw i64 %indvars.iv to i32
  invoke void @_ZNK6Engine10GetRecordbEii(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple") align 8 %5, ptr noundef nonnull align 8 dereferenceable(112) %0, i32 noundef %10, i32 noundef %15)
          to label %16 unwind label %32

16:                                               ; preds = %.lr.ph
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJddEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 8 dereferenceable(16) %5) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #5
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %4) #5
  %19 = load double, ptr %18, align 8, !tbaa !26
  %20 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %3, double noundef %19)
          to label %21 unwind label %34

21:                                               ; preds = %16
  %22 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull @.str.14)
          to label %23 unwind label %34

23:                                               ; preds = %21
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %4) #5
  %25 = load double, ptr %24, align 8, !tbaa !26
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %22, double noundef %25)
          to label %27 unwind label %34

27:                                               ; preds = %23
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %29 unwind label %34

29:                                               ; preds = %27
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %30 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  %31 = icmp ugt i64 %30, %indvars.iv.next
  br i1 %31, label %.lr.ph, label %._crit_edge, !llvm.loop !27

32:                                               ; preds = %.lr.ph
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #5
  br label %39

34:                                               ; preds = %27, %23, %21, %16
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %39

36:                                               ; preds = %._crit_edge18
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #5
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #5
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %3) #5
  ret void

37:                                               ; preds = %._crit_edge18
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %39

39:                                               ; preds = %32, %34, %37
  %.pn.pn = phi { ptr, i32 } [ %38, %37 ], [ %35, %34 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #5
  br label %40

40:                                               ; preds = %39, %11
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %39 ], [ %12, %11 ]
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #5
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %3) #5
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJddEEC2ILb1ETnNSt9enable_ifIXclsr17_TupleConstraintsIXT_EddEE37__is_implicitly_default_constructibleEEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

declare void @_ZNK6Engine10GetRecordbEii(ptr dead_on_unwind writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 8 dereferenceable(112), i32 noundef, i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJddEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EJddEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { "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, !7, i64 0}
!6 = !{!"_ZTS6Engine", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !11, i64 40, !16, i64 64, !20, i64 88}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"double", !8, i64 0}
!11 = !{!"_ZTSSt6vectorIdSaIdEE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"any pointer", !8, i64 0}
!16 = !{!"_ZTSSt6vectorISt5tupleIJddEESaIS1_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseISt5tupleIJddEESaIS1_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseISt5tupleIJddEESaIS1_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseISt5tupleIJddEESaIS1_EE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!20 = !{!"_ZTSSt6vectorIS_ISt5tupleIJddEESaIS1_EESaIS3_EE", !21, i64 0}
!21 = !{!"_ZTSSt12_Vector_baseISt6vectorISt5tupleIJddEESaIS2_EESaIS4_EE", !22, i64 0}
!22 = !{!"_ZTSNSt12_Vector_baseISt6vectorISt5tupleIJddEESaIS2_EESaIS4_EE12_Vector_implE", !23, i64 0}
!23 = !{!"_ZTSNSt12_Vector_baseISt6vectorISt5tupleIJddEESaIS2_EESaIS4_EE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!24 = distinct !{!24, !25}
!25 = !{!"llvm.loop.mustprogress"}
!26 = !{!10, !10, i64 0}
!27 = distinct !{!27, !25}


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