; LLVM IR from csabahruska/bullet :: cbits/Bullet.ll_btAlignedObjectArray_btVector3 (resize)

; 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.btVector3 = type { [4 x float] }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9btVector3C2ERKfS1_S1_(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @btAlignedObjectArray_btVector3__resize(ptr noundef %0, i32 noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %class.btVector3, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %9, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #4
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = getelementptr inbounds float, ptr %10, i64 0
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr inbounds float, ptr %12, i64 1
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = getelementptr inbounds float, ptr %14, i64 2
  call void @_ZN9btVector3C2ERKfS1_S1_(ptr noundef nonnull align 4 dereferenceable(16) %8, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %15)
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = load i32, ptr %5, align 4, !tbaa !9
  call void @_ZN20btAlignedObjectArrayI9btVector3E6resizeEiRKS0_(ptr noundef nonnull align 8 dereferenceable(25) %16, i32 noundef %17, ptr noundef nonnull align 4 dereferenceable(16) %8)
  %18 = getelementptr inbounds %class.btVector3, ptr %8, i32 0, i32 0
  %19 = getelementptr inbounds [4 x float], ptr %18, i64 0, i64 0
  %20 = load float, ptr %19, align 4, !tbaa !11
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds float, ptr %21, i64 0
  store float %20, ptr %22, align 4, !tbaa !11
  %23 = getelementptr inbounds %class.btVector3, ptr %8, i32 0, i32 0
  %24 = getelementptr inbounds [4 x float], ptr %23, i64 0, i64 1
  %25 = load float, ptr %24, align 4, !tbaa !11
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = getelementptr inbounds float, ptr %26, i64 1
  store float %25, ptr %27, align 4, !tbaa !11
  %28 = getelementptr inbounds %class.btVector3, ptr %8, i32 0, i32 0
  %29 = getelementptr inbounds [4 x float], ptr %28, i64 0, i64 2
  %30 = load float, ptr %29, align 4, !tbaa !11
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = getelementptr inbounds float, ptr %31, i64 2
  store float %30, ptr %32, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN20btAlignedObjectArrayI9btVector3E6resizeEiRKS0_(ptr noundef nonnull align 8 dereferenceable(25), i32 noundef, ptr noundef nonnull align 4 dereferenceable(16)) #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress 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 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 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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.btVector3 = type { [4 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9btVector3C2ERKfS1_S1_(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @btAlignedObjectArray_btVector3__resize(ptr noundef %0, i32 noundef %1, ptr noundef nonnull %2) local_unnamed_addr #2 {
  %4 = alloca %class.btVector3, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #4
  %5 = getelementptr inbounds i8, ptr %2, i64 4
  %6 = getelementptr inbounds i8, ptr %2, i64 8
  call void @_ZN9btVector3C2ERKfS1_S1_(ptr noundef nonnull align 4 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @_ZN20btAlignedObjectArrayI9btVector3E6resizeEiRKS0_(ptr noundef nonnull align 8 dereferenceable(25) %0, i32 noundef %1, ptr noundef nonnull align 4 dereferenceable(16) %4)
  %7 = load <2 x float>, ptr %4, align 8, !tbaa !5
  store <2 x float> %7, ptr %2, align 4, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %4, i64 8
  %9 = load float, ptr %8, align 8, !tbaa !5
  store float %9, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #4
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN20btAlignedObjectArrayI9btVector3E6resizeEiRKS0_(ptr noundef nonnull align 8 dereferenceable(25), i32 noundef, ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress 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 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 = { 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,SLPVectorizerPass,SROAPass