; LLVM IR from faishasj/cpparticles :: src/particle.ll (ZN8Particle10accelerateE6Vector)

; 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.Vector = type { float, float }
%class.Particle = type { float, float, float, float, float, float, float, float, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local <2 x float> @_ZplRK6VectorS1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #0

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8Particle10accelerateE6Vector(ptr noundef nonnull align 8 dereferenceable(40) %0, <2 x float> %1) #0 align 2 {
  %3 = alloca %struct.Vector, align 4
  %4 = alloca ptr, align 8
  %5 = alloca %struct.Vector, align 4
  %6 = alloca %struct.Vector, align 4
  store <2 x float> %1, ptr %3, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %8 = getelementptr inbounds %struct.Vector, ptr %6, i32 0, i32 0
  %9 = getelementptr inbounds %class.Particle, ptr %7, i32 0, i32 0
  %10 = load float, ptr %9, align 8, !tbaa !9
  store float %10, ptr %8, align 4, !tbaa !12
  %11 = getelementptr inbounds %struct.Vector, ptr %6, i32 0, i32 1
  %12 = getelementptr inbounds %class.Particle, ptr %7, i32 0, i32 5
  %13 = load float, ptr %12, align 4, !tbaa !14
  store float %13, ptr %11, align 4, !tbaa !15
  %14 = call <2 x float> @_ZplRK6VectorS1_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(8) %3)
  store <2 x float> %14, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %15 = getelementptr inbounds %struct.Vector, ptr %5, i32 0, i32 0
  %16 = load float, ptr %15, align 4, !tbaa !12
  %17 = getelementptr inbounds %class.Particle, ptr %7, i32 0, i32 0
  store float %16, ptr %17, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.Vector, ptr %5, i32 0, i32 1
  %19 = load float, ptr %18, align 4, !tbaa !15
  %20 = getelementptr inbounds %class.Particle, ptr %7, i32 0, i32 5
  store float %19, ptr %20, align 4, !tbaa !14
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret void
}

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 = { 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, !11, i64 0}
!10 = !{!"_ZTS8Particle", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !6, i64 32}
!11 = !{!"float", !7, i64 0}
!12 = !{!13, !11, i64 0}
!13 = !{!"_ZTS6Vector", !11, i64 0, !11, i64 4}
!14 = !{!10, !11, i64 20}
!15 = !{!13, !11, i64 4}


; 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"

%struct.Vector = type { float, float }

; Function Attrs: mustprogress uwtable
declare dso_local <2 x float> @_ZplRK6VectorS1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8Particle10accelerateE6Vector(ptr nocapture noundef nonnull align 8 dereferenceable(40) %0, <2 x float> %1) local_unnamed_addr #0 align 2 {
  %3 = alloca %struct.Vector, align 8
  %4 = alloca %struct.Vector, align 4
  store <2 x float> %1, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #2
  %5 = load float, ptr %0, align 8, !tbaa !5
  store float %5, ptr %4, align 4, !tbaa !11
  %6 = getelementptr inbounds i8, ptr %4, i64 4
  %7 = getelementptr inbounds i8, ptr %0, i64 20
  %8 = load float, ptr %7, align 4, !tbaa !13
  store float %8, ptr %6, align 4, !tbaa !14
  %9 = call <2 x float> @_ZplRK6VectorS1_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(8) %3)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #2
  %.sroa.0.0.vec.extract = extractelement <2 x float> %9, i64 0
  store float %.sroa.0.0.vec.extract, ptr %0, align 8, !tbaa !5
  %.sroa.0.4.vec.extract = extractelement <2 x float> %9, i64 1
  store float %.sroa.0.4.vec.extract, ptr %7, align 4, !tbaa !13
  ret void
}

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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, !7, i64 0}
!6 = !{!"_ZTS8Particle", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !10, i64 32}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!12, !7, i64 0}
!12 = !{!"_ZTS6Vector", !7, i64 0, !7, i64 4}
!13 = !{!6, !7, i64 20}
!14 = !{!12, !7, i64 4}


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