; LLVM IR from St0wy/StowyPhysicsEngine :: StowyPhysicsEngine/src/math/Vector2.ll (ZN3stw7Vector2mIERKS0_)

; 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.stw::Vector2" = type { float, float }

; 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: mustprogress nounwind uwtable
define dso_local <2 x float> @_ZN3stw7Vector2mIERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %0, ptr noundef nonnull align 4 dereferenceable(8) %1) #1 align 2 {
  %3 = alloca %"struct.stw::Vector2", align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  %7 = load ptr, ptr %5, align 8, !tbaa !5
  %8 = getelementptr inbounds %"struct.stw::Vector2", ptr %7, i32 0, i32 0
  %9 = load float, ptr %8, align 4, !tbaa !9
  %10 = getelementptr inbounds %"struct.stw::Vector2", ptr %6, i32 0, i32 0
  %11 = load float, ptr %10, align 4, !tbaa !9
  %12 = fsub float %11, %9
  store float %12, ptr %10, align 4, !tbaa !9
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = getelementptr inbounds %"struct.stw::Vector2", ptr %13, i32 0, i32 1
  %15 = load float, ptr %14, align 4, !tbaa !12
  %16 = getelementptr inbounds %"struct.stw::Vector2", ptr %6, i32 0, i32 1
  %17 = load float, ptr %16, align 4, !tbaa !12
  %18 = fsub float %17, %15
  store float %18, ptr %16, align 4, !tbaa !12
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %3, ptr align 4 %6, i64 8, i1 false), !tbaa.struct !13
  %19 = load <2 x float>, ptr %3, align 4
  ret <2 x float> %19
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }

!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, !11, i64 0}
!10 = !{!"_ZTSN3stw7Vector2E", !11, i64 0, !11, i64 4}
!11 = !{!"float", !7, i64 0}
!12 = !{!10, !11, i64 4}
!13 = !{i64 0, i64 4, !14, i64 4, i64 4, !14}
!14 = !{!11, !11, 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local <2 x float> @_ZN3stw7Vector2mIERKS0_(ptr nocapture noundef nonnull align 4 dereferenceable(8) %0, ptr nocapture noundef nonnull readonly align 4 dereferenceable(8) %1) local_unnamed_addr #0 align 2 {
  %3 = load <2 x float>, ptr %1, align 4, !tbaa !5
  %4 = load <2 x float>, ptr %0, align 4, !tbaa !5
  %5 = fsub <2 x float> %4, %3
  store <2 x float> %5, ptr %0, align 4, !tbaa !5
  ret <2 x float> %5
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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" }

!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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass