; LLVM IR from Razakhel/RaZ :: src/RaZ/Utils/Shape.ll (ZNK3Raz4Line10intersectsERKNS_5PlaneE)

; 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.Raz::Vector" = type { %"struct.std::array" }
%"struct.std::array" = type { [3 x float] }
%"class.Raz::Line" = type { %"class.Raz::Shape", %"class.Raz::Vector", %"class.Raz::Vector" }
%"class.Raz::Shape" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK3Raz4Line10intersectsERKNS_5PlaneE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) unnamed_addr #0 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.Raz::Vector", align 4
  %7 = alloca { <2 x float>, float }, align 8
  %8 = alloca float, align 4
  %9 = alloca i32, align 4
  %10 = alloca float, align 4
  %11 = alloca float, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %6) #4
  %13 = getelementptr inbounds %"class.Raz::Line", ptr %12, i32 0, i32 2
  %14 = getelementptr inbounds %"class.Raz::Line", ptr %12, i32 0, i32 1
  %15 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %13, ptr noundef nonnull align 4 dereferenceable(12) %14) #4
  %16 = getelementptr inbounds %"class.Raz::Vector", ptr %6, i32 0, i32 0
  %17 = getelementptr inbounds %"struct.std::array", ptr %16, i32 0, i32 0
  store { <2 x float>, float } %15, ptr %7, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 8 %7, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK3Raz5Plane9getNormalEv(ptr noundef nonnull align 8 dereferenceable(24) %18)
  %20 = call noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12) %6, ptr noundef nonnull align 4 dereferenceable(12) %19) #4
  store float %20, ptr %8, align 4, !tbaa !9
  %21 = load float, ptr %8, align 4, !tbaa !9
  %22 = call noundef float @_ZNSt14numeric_limitsIfE7epsilonEv() #4
  %23 = call noundef zeroext i1 @_ZN3Raz10FloatUtils14areNearlyEqualIffEEbT_S2_T0_(float noundef %21, float noundef 0.000000e+00, float noundef %22) #4
  br i1 %23, label %24, label %25

24:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  store i32 1, ptr %9, align 4
  br label %43

25:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %26 = getelementptr inbounds %"class.Raz::Line", ptr %12, i32 0, i32 1
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK3Raz5Plane9getNormalEv(ptr noundef nonnull align 8 dereferenceable(24) %27)
  %29 = call noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12) %26, ptr noundef nonnull align 4 dereferenceable(12) %28) #4
  store float %29, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = call noundef float @_ZNK3Raz5Plane11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(24) %30)
  %32 = load float, ptr %10, align 4, !tbaa !9
  %33 = fsub float %31, %32
  %34 = load float, ptr %8, align 4, !tbaa !9
  %35 = fdiv float %33, %34
  store float %35, ptr %11, align 4, !tbaa !9
  %36 = load float, ptr %11, align 4, !tbaa !9
  %37 = fcmp oge float %36, 0.000000e+00
  br i1 %37, label %38, label %41

38:                                               ; preds = %25
  %39 = load float, ptr %11, align 4, !tbaa !9
  %40 = fcmp ole float %39, 1.000000e+00
  br label %41

41:                                               ; preds = %38, %25
  %42 = phi i1 [ false, %25 ], [ %40, %38 ]
  store i1 %42, ptr %3, align 1
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %43

43:                                               ; preds = %41, %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr %6) #4
  %44 = load i1, ptr %3, align 1
  ret i1 %44
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #2 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNK3Raz5Plane9getNormalEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3Raz10FloatUtils14areNearlyEqualIffEEbT_S2_T0_(float noundef, float noundef, float noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNSt14numeric_limitsIfE7epsilonEv() #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK3Raz5Plane11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 = !{!"float", !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"

%"class.Raz::Vector" = type { %"struct.std::array" }
%"struct.std::array" = type { [3 x float] }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK3Raz4Line10intersectsERKNS_5PlaneE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) unnamed_addr #0 align 2 {
  %3 = alloca %"class.Raz::Vector", align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #3
  %4 = getelementptr inbounds i8, ptr %0, i64 20
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = tail call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %4, ptr noundef nonnull align 4 dereferenceable(12) %5) #3
  %.fca.0.extract = extractvalue { <2 x float>, float } %6, 0
  %.fca.1.extract = extractvalue { <2 x float>, float } %6, 1
  store <2 x float> %.fca.0.extract, ptr %3, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 8
  store float %.fca.1.extract, ptr %.sroa.2.0..sroa_idx, align 8
  %7 = tail call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK3Raz5Plane9getNormalEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
  %8 = call noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12) %3, ptr noundef nonnull align 4 dereferenceable(12) %7) #3
  %9 = call noundef float @_ZNSt14numeric_limitsIfE7epsilonEv() #3
  %10 = call noundef zeroext i1 @_ZN3Raz10FloatUtils14areNearlyEqualIffEEbT_S2_T0_(float noundef %8, float noundef 0.000000e+00, float noundef %9) #3
  br i1 %10, label %20, label %11

11:                                               ; preds = %2
  %12 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK3Raz5Plane9getNormalEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
  %13 = call noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12) %5, ptr noundef nonnull align 4 dereferenceable(12) %12) #3
  %14 = call noundef float @_ZNK3Raz5Plane11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
  %15 = fsub float %14, %13
  %16 = fdiv float %15, %8
  %17 = fcmp oge float %16, 0.000000e+00
  %18 = fcmp ole float %16, 1.000000e+00
  %19 = and i1 %17, %18
  br label %20

20:                                               ; preds = %2, %11
  %.0 = phi i1 [ %19, %11 ], [ false, %2 ]
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #3
  ret i1 %.0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNK3Raz5Plane9getNormalEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3Raz10FloatUtils14areNearlyEqualIffEEbT_S2_T0_(float noundef, float noundef, float noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNSt14numeric_limitsIfE7epsilonEv() local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK3Raz5Plane11getDistanceEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { mustprogress nounwind 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass