; LLVM IR from Razakhel/RaZ :: src/RaZ/Utils/Ray.ll (ZNK3Raz3Ray17computeProjectionERKNS_6VectorIfLm3EEE)

; 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::Ray" = type { %"class.Raz::Vector", %"class.Raz::Vector", %"class.Raz::Vector" }

; 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) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEplERKS1_(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 { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmlEf(ptr noundef nonnull align 4 dereferenceable(12), float noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_ZNK3Raz3Ray17computeProjectionERKNS_6VectorIfLm3EEE(ptr noundef nonnull align 4 dereferenceable(36) %0, ptr noundef nonnull align 4 dereferenceable(12) %1) #4 align 2 {
  %3 = alloca %"class.Raz::Vector", align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca float, align 4
  %7 = alloca %"class.Raz::Vector", align 4
  %8 = alloca { <2 x float>, float }, align 8
  %9 = alloca %"class.Raz::Vector", align 4
  %10 = alloca float, align 4
  %11 = alloca { <2 x float>, float }, align 8
  %12 = alloca { <2 x float>, float }, align 8
  %13 = alloca { <2 x float>, float }, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  %15 = getelementptr inbounds %"class.Raz::Ray", ptr %14, i32 0, i32 1
  call void @llvm.lifetime.start.p0(i64 12, ptr %7) #5
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %"class.Raz::Ray", ptr %14, i32 0, i32 0
  %18 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %16, ptr noundef nonnull align 4 dereferenceable(12) %17) #5
  %19 = getelementptr inbounds %"class.Raz::Vector", ptr %7, i32 0, i32 0
  %20 = getelementptr inbounds %"struct.std::array", ptr %19, i32 0, i32 0
  store { <2 x float>, float } %18, ptr %8, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %20, ptr align 8 %8, i64 12, i1 false)
  %21 = call noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12) %15, ptr noundef nonnull align 4 dereferenceable(12) %7) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %7) #5
  store float %21, ptr %6, align 4, !tbaa !9
  %22 = getelementptr inbounds %"class.Raz::Ray", ptr %14, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 12, ptr %9) #5
  %23 = getelementptr inbounds %"class.Raz::Ray", ptr %14, i32 0, i32 1
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store float 0.000000e+00, ptr %10, align 4, !tbaa !9
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %25 = load float, ptr %24, align 4, !tbaa !9
  %26 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmlEf(ptr noundef nonnull align 4 dereferenceable(12) %23, float noundef %25) #5
  %27 = getelementptr inbounds %"class.Raz::Vector", ptr %9, i32 0, i32 0
  %28 = getelementptr inbounds %"struct.std::array", ptr %27, i32 0, i32 0
  store { <2 x float>, float } %26, ptr %11, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %28, ptr align 8 %11, i64 12, i1 false)
  %29 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEplERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %22, ptr noundef nonnull align 4 dereferenceable(12) %9) #5
  %30 = getelementptr inbounds %"class.Raz::Vector", ptr %3, i32 0, i32 0
  %31 = getelementptr inbounds %"struct.std::array", ptr %30, i32 0, i32 0
  store { <2 x float>, float } %29, ptr %12, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %31, ptr align 8 %12, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  %32 = getelementptr inbounds %"class.Raz::Vector", ptr %3, i32 0, i32 0
  %33 = getelementptr inbounds %"struct.std::array", ptr %32, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %13, ptr align 4 %33, i64 12, i1 false)
  %34 = load { <2 x float>, float }, ptr %13, align 8
  ret { <2 x float>, float } %34
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 #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 = !{!"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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 #1 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 #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 { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEplERKS1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmlEf(ptr noundef nonnull align 4 dereferenceable(12), float noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local { <2 x float>, float } @_ZNK3Raz3Ray17computeProjectionERKNS_6VectorIfLm3EEE(ptr noundef nonnull align 4 dereferenceable(36) %0, ptr noundef nonnull align 4 dereferenceable(12) %1) local_unnamed_addr #3 align 2 {
  %3 = alloca float, align 4
  %4 = alloca %"class.Raz::Vector", align 8
  %5 = alloca %"class.Raz::Vector", align 8
  %6 = alloca float, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %7 = getelementptr inbounds i8, ptr %0, i64 12
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %4) #4
  %8 = tail call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %1, ptr noundef nonnull align 4 dereferenceable(12) %0) #4
  %.fca.0.extract7 = extractvalue { <2 x float>, float } %8, 0
  %.fca.1.extract8 = extractvalue { <2 x float>, float } %8, 1
  store <2 x float> %.fca.0.extract7, ptr %4, align 8
  %.sroa.210.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  store float %.fca.1.extract8, ptr %.sroa.210.0..sroa_idx, align 8
  %9 = call noundef float @_ZNK3Raz6VectorIfLm3EE3dotIfEET_RKS1_(ptr noundef nonnull align 4 dereferenceable(12) %7, ptr noundef nonnull align 4 dereferenceable(12) %4) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #4
  store float %9, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  store float 0.000000e+00, ptr %6, align 4, !tbaa !5
  %10 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIfERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %11 = load float, ptr %10, align 4, !tbaa !5
  %12 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmlEf(ptr noundef nonnull align 4 dereferenceable(12) %7, float noundef %11) #4
  %.fca.0.extract3 = extractvalue { <2 x float>, float } %12, 0
  %.fca.1.extract4 = extractvalue { <2 x float>, float } %12, 1
  store <2 x float> %.fca.0.extract3, ptr %5, align 8
  %.sroa.26.0..sroa_idx = getelementptr inbounds i8, ptr %5, i64 8
  store float %.fca.1.extract4, ptr %.sroa.26.0..sroa_idx, align 8
  %13 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEplERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %0, ptr noundef nonnull align 4 dereferenceable(12) %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  ret { <2 x float>, float } %13
}

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 = { 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 #3 = { 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 #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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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