; LLVM IR from Razakhel/RaZ :: src/RaZ/Utils/Shape.ll (ZNK3Raz8Triangle13computeNormalEv)

; 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::Triangle" = type <{ %"class.Raz::Shape", %"class.Raz::Vector", %"class.Raz::Vector", %"class.Raz::Vector", [4 x i8] }>
%"class.Raz::Shape" = type { ptr }

; Function Attrs: 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)) #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) #2

; Function Attrs: 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 } @_ZNK3Raz6VectorIfLm3EE9normalizeIfEENS0_IT_Lm3EEEv(ptr noundef nonnull align 4 dereferenceable(12)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local { <2 x float>, float } @_ZNK3Raz8Triangle13computeNormalEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #3 align 2 {
  %2 = alloca %"class.Raz::Vector", align 4
  %3 = alloca ptr, align 8
  %4 = alloca %"class.Raz::Vector", align 4
  %5 = alloca { <2 x float>, float }, align 8
  %6 = alloca %"class.Raz::Vector", align 4
  %7 = alloca { <2 x float>, float }, align 8
  %8 = alloca %"class.Raz::Vector", align 4
  %9 = alloca { <2 x float>, float }, align 8
  %10 = alloca { <2 x float>, float }, align 8
  %11 = alloca { <2 x float>, float }, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %12 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %4) #4
  %13 = getelementptr inbounds %"class.Raz::Triangle", ptr %12, i32 0, i32 2
  %14 = getelementptr inbounds %"class.Raz::Triangle", 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 %4, i32 0, i32 0
  %17 = getelementptr inbounds %"struct.std::array", ptr %16, i32 0, i32 0
  store { <2 x float>, float } %15, ptr %5, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 8 %5, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 12, ptr %6) #4
  %18 = getelementptr inbounds %"class.Raz::Triangle", ptr %12, i32 0, i32 3
  %19 = getelementptr inbounds %"class.Raz::Triangle", ptr %12, i32 0, i32 1
  %20 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %18, ptr noundef nonnull align 4 dereferenceable(12) %19) #4
  %21 = getelementptr inbounds %"class.Raz::Vector", ptr %6, i32 0, i32 0
  %22 = getelementptr inbounds %"struct.std::array", ptr %21, i32 0, i32 0
  store { <2 x float>, float } %20, ptr %7, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %22, ptr align 8 %7, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #4
  %23 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EE5crossERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %4, ptr noundef nonnull align 4 dereferenceable(12) %6) #4
  %24 = getelementptr inbounds %"class.Raz::Vector", ptr %8, i32 0, i32 0
  %25 = getelementptr inbounds %"struct.std::array", ptr %24, i32 0, i32 0
  store { <2 x float>, float } %23, ptr %9, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %25, ptr align 8 %9, i64 12, i1 false)
  %26 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EE9normalizeIfEENS0_IT_Lm3EEEv(ptr noundef nonnull align 4 dereferenceable(12) %8) #4
  %27 = getelementptr inbounds %"class.Raz::Vector", ptr %2, i32 0, i32 0
  %28 = getelementptr inbounds %"struct.std::array", ptr %27, i32 0, i32 0
  store { <2 x float>, float } %26, ptr %10, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %28, ptr align 8 %10, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr %4) #4
  %29 = getelementptr inbounds %"class.Raz::Vector", ptr %2, i32 0, i32 0
  %30 = getelementptr inbounds %"struct.std::array", ptr %29, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 4 %30, i64 12, i1 false)
  %31 = load { <2 x float>, float }, ptr %11, align 8
  ret { <2 x float>, float } %31
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EE5crossERKS1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #1 align 2

attributes #0 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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 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 } @_ZNK3Raz6VectorIfLm3EE9normalizeIfEENS0_IT_Lm3EEEv(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local { <2 x float>, float } @_ZNK3Raz8Triangle13computeNormalEv(ptr noundef nonnull align 8 dereferenceable(48) %0) local_unnamed_addr #2 align 2 {
  %2 = alloca %"class.Raz::Vector", align 8
  %3 = alloca %"class.Raz::Vector", align 8
  %4 = alloca %"class.Raz::Vector", align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %2) #3
  %5 = getelementptr inbounds i8, ptr %0, i64 20
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = tail call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %5, ptr noundef nonnull align 4 dereferenceable(12) %6) #3
  %.fca.0.extract11 = extractvalue { <2 x float>, float } %7, 0
  %.fca.1.extract12 = extractvalue { <2 x float>, float } %7, 1
  store <2 x float> %.fca.0.extract11, ptr %2, align 8
  %.sroa.214.0..sroa_idx = getelementptr inbounds i8, ptr %2, i64 8
  store float %.fca.1.extract12, ptr %.sroa.214.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #3
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = tail call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EEmiERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %8, ptr noundef nonnull align 4 dereferenceable(12) %6) #3
  %.fca.0.extract7 = extractvalue { <2 x float>, float } %9, 0
  %.fca.1.extract8 = extractvalue { <2 x float>, float } %9, 1
  store <2 x float> %.fca.0.extract7, ptr %3, align 8
  %.sroa.210.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 8
  store float %.fca.1.extract8, ptr %.sroa.210.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %4) #3
  %10 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EE5crossERKS1_(ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 4 dereferenceable(12) %3) #3
  %.fca.0.extract3 = extractvalue { <2 x float>, float } %10, 0
  %.fca.1.extract4 = extractvalue { <2 x float>, float } %10, 1
  store <2 x float> %.fca.0.extract3, ptr %4, align 8
  %.sroa.26.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  store float %.fca.1.extract4, ptr %.sroa.26.0..sroa_idx, align 8
  %11 = call { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EE9normalizeIfEENS0_IT_Lm3EEEv(ptr noundef nonnull align 4 dereferenceable(12) %4) #3
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %2) #3
  ret { <2 x float>, float } %11
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZNK3Raz6VectorIfLm3EE5crossERKS1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 align 2

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 = { 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 #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,SROAPass,TailCallElimPass