; LLVM IR from gzc/CLRS :: C33-Computational-Geometry/exercise_code (pointpolygon)

; 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_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::locale" = type { ptr }
%class.Point = type { float, float }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8

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

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z17point_polygon_pos5PointPS_i(<2 x float>, ptr noundef, i32 noundef) #1

; 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) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #3 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 {
  %1 = alloca i32, align 4
  %2 = alloca %class.Point, align 4
  %3 = alloca %class.Point, align 4
  %4 = alloca %class.Point, align 4
  %5 = alloca %class.Point, align 4
  %6 = alloca %class.Point, align 4
  %7 = alloca [4 x %class.Point], align 16
  %8 = alloca i32, align 4
  %9 = alloca %class.Point, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #8
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %2, float noundef 1.000000e+00, float noundef 1.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #8
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %3, float noundef 0.000000e+00, float noundef 0.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #8
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %4, float noundef 2.000000e+00, float noundef 0.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #8
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %5, float noundef 2.000000e+00, float noundef 2.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #8
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %6, float noundef 0.000000e+00, float noundef 2.000000e+00)
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 4 %3, i64 8, i1 false), !tbaa.struct !5
  %10 = getelementptr inbounds %class.Point, ptr %7, i64 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 4 %4, i64 8, i1 false), !tbaa.struct !5
  %11 = getelementptr inbounds %class.Point, ptr %7, i64 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 4 %5, i64 8, i1 false), !tbaa.struct !5
  %12 = getelementptr inbounds %class.Point, ptr %7, i64 3
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %12, ptr align 4 %6, i64 8, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 4 %2, i64 8, i1 false), !tbaa.struct !5
  %13 = getelementptr inbounds [4 x %class.Point], ptr %7, i64 0, i64 0
  %14 = load <2 x float>, ptr %9, align 4
  %15 = call noundef i32 @_Z17point_polygon_pos5PointPS_i(<2 x float> %14, ptr noundef %13, i32 noundef 4)
  store i32 %15, ptr %8, align 4, !tbaa !10
  %16 = load i32, ptr %8, align 4, !tbaa !10
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %16)
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #8
  ret i32 0
}

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6 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)) #7

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "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 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 = { mustprogress norecurse uwtable "min-legal-vector-width"="64" "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 = { "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 = { 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 #7 = { 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 #8 = { 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 = !{i64 0, i64 4, !6, i64 4, i64 4, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !8, 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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::locale" = type { ptr }
%class.Point = type { float, float }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8

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

; 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 uwtable
declare dso_local noundef i32 @_Z17point_polygon_pos5PointPS_i(<2 x float>, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca %class.Point, align 8
  %2 = alloca %class.Point, align 8
  %3 = alloca %class.Point, align 8
  %4 = alloca %class.Point, align 8
  %5 = alloca %class.Point, align 8
  %6 = alloca [4 x %class.Point], align 16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %1, float noundef 1.000000e+00, float noundef 1.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %2, float noundef 0.000000e+00, float noundef 0.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %3, float noundef 2.000000e+00, float noundef 0.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %4, float noundef 2.000000e+00, float noundef 2.000000e+00)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  call void @_ZN5PointC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %5, float noundef 0.000000e+00, float noundef 2.000000e+00)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #7
  %7 = load i64, ptr %2, align 8
  store i64 %7, ptr %6, align 16
  %8 = getelementptr inbounds i8, ptr %6, i64 8
  %9 = load i64, ptr %3, align 8
  store i64 %9, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr %6, i64 16
  %11 = load i64, ptr %4, align 8
  store i64 %11, ptr %10, align 16
  %12 = getelementptr inbounds i8, ptr %6, i64 24
  %13 = load i64, ptr %5, align 8
  store i64 %13, ptr %12, align 8
  %.sroa.0.0.copyload = load <2 x float>, ptr %1, align 8
  %14 = call noundef i32 @_Z17point_polygon_pos5PointPS_i(<2 x float> %.sroa.0.0.copyload, ptr noundef nonnull %6, i32 noundef 4)
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %14)
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0
}

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; 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 #5 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)) #6

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "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 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 #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="64" "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 = { 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 = { 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 #7 = { 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass