; LLVM IR from ShahjalalShohag/code-library :: Math (Number of Solutions of A Equation MITM)

; 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"

%struct.modint = type { i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local i32 @_Z4evalSt6vectorI6modintILi1000000007EESaIS1_EES1_(ptr noundef %0, i32 %1) #0 {
  %3 = alloca %struct.modint, align 4
  %4 = alloca %struct.modint, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %struct.modint, align 4
  %7 = alloca ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %struct.modint, align 4
  %11 = alloca %struct.modint, align 4
  %12 = alloca %struct.modint, align 4
  %13 = alloca %struct.modint, align 4
  %14 = getelementptr inbounds %struct.modint, ptr %4, i32 0, i32 0
  store i32 %1, ptr %14, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  call void @_ZN6modintILi1000000007EEC2Ei(ptr noundef nonnull align 4 dereferenceable(4) %3, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  call void @_ZN6modintILi1000000007EEC2Ei(ptr noundef nonnull align 4 dereferenceable(4) %6, i32 noundef 1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store ptr %0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = call ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #6
  %17 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %16, ptr %17, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = call ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #6
  %20 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %19, ptr %20, align 8
  br label %21

21:                                               ; preds = %36, %2
  %22 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br i1 %22, label %24, label %23

23:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %38

24:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 4 %25, i64 4, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 4 %10, i64 4, i1 false), !tbaa.struct !9
  %26 = getelementptr inbounds %struct.modint, ptr %12, i32 0, i32 0
  %27 = load i32, ptr %26, align 4
  %28 = call i32 @_ZNK6modintILi1000000007EEmlES0_(ptr noundef nonnull align 4 dereferenceable(4) %6, i32 %27)
  %29 = getelementptr inbounds %struct.modint, ptr %11, i32 0, i32 0
  store i32 %28, ptr %29, align 4
  %30 = getelementptr inbounds %struct.modint, ptr %11, i32 0, i32 0
  %31 = load i32, ptr %30, align 4
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEpLES0_(ptr noundef nonnull align 4 dereferenceable(4) %3, i32 %31)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %4, i64 4, i1 false), !tbaa.struct !9
  %33 = getelementptr inbounds %struct.modint, ptr %13, i32 0, i32 0
  %34 = load i32, ptr %33, align 4
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEmLES0_(ptr noundef nonnull align 4 dereferenceable(4) %6, i32 %34)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %36

36:                                               ; preds = %24
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  br label %21

38:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  %39 = getelementptr inbounds %struct.modint, ptr %3, i32 0, i32 0
  %40 = load i32, ptr %39, align 4
  ret i32 %40
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6modintILi1000000007EEC2Ei(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local i32 @_ZNK6modintILi1000000007EEmlES0_(ptr noundef nonnull align 4 dereferenceable(4), i32) #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEpLES0_(ptr noundef nonnull align 4 dereferenceable(4), i32) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEmLES0_(ptr noundef nonnull align 4 dereferenceable(4), i32) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

attributes #0 = { 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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 #6 = { 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 = !{i64 0, i64 4, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}


; 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"

%struct.modint = type { i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local i32 @_Z4evalSt6vectorI6modintILi1000000007EESaIS1_EES1_(ptr noundef %0, i32 %1) local_unnamed_addr #0 {
  %3 = alloca %struct.modint, align 4
  %4 = alloca %struct.modint, align 4
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @_ZN6modintILi1000000007EEC2Ei(ptr noundef nonnull align 4 dereferenceable(4) %3, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  call void @_ZN6modintILi1000000007EEC2Ei(ptr noundef nonnull align 4 dereferenceable(4) %4, i32 noundef 1)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %7 = call ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %7, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %8 = call ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %8, ptr %6, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  %10 = load i32, ptr %3, align 4
  ret i32 %10

.lr.ph:                                           ; preds = %2, %.lr.ph
  %11 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %.sroa.03.0.copyload = load i32, ptr %11, align 4, !tbaa !5
  %12 = call i32 @_ZNK6modintILi1000000007EEmlES0_(ptr noundef nonnull align 4 dereferenceable(4) %4, i32 %.sroa.03.0.copyload)
  %13 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEpLES0_(ptr noundef nonnull align 4 dereferenceable(4) %3, i32 %12)
  %14 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEmLES0_(ptr noundef nonnull align 4 dereferenceable(4) %4, i32 %1)
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  br i1 %16, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6modintILi1000000007EEC2Ei(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI6modintILi1000000007EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local i32 @_ZNK6modintILi1000000007EEmlES0_(ptr noundef nonnull align 4 dereferenceable(4), i32) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEpLES0_(ptr noundef nonnull align 4 dereferenceable(4), i32) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN6modintILi1000000007EEmLES0_(ptr noundef nonnull align 4 dereferenceable(4), i32) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP6modintILi1000000007EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

attributes #0 = { 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 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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