; LLVM IR from sp-nitech/SPTK :: third_party/REAPER/core/track.ll (ZN4sptk6reaper5Track8CopyFromEPKcii)

; 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"

; 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 uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN4sptk6reaper5Track1aEii(ptr noundef nonnull align 8 dereferenceable(72), i32 noundef, i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4sptk6reaper5Track6resizeEii(ptr noundef nonnull align 8 dereferenceable(72), i32 noundef, i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4sptk6reaper5Track8CopyFromEPKcii(ptr noundef nonnull align 8 dereferenceable(72) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #2 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  %13 = load ptr, ptr %5, align 8
  %14 = load i32, ptr %7, align 4, !tbaa !9
  %15 = load i32, ptr %8, align 4, !tbaa !9
  call void @_ZN4sptk6reaper5Track6resizeEii(ptr noundef nonnull align 8 dereferenceable(72) %13, i32 noundef %14, i32 noundef %15)
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %16, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %39, %4
  %18 = load i32, ptr %10, align 4, !tbaa !9
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  store i32 2, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %42

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %35, %22
  %24 = load i32, ptr %12, align 4, !tbaa !9
  %25 = load i32, ptr %8, align 4, !tbaa !9
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 5, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %38

28:                                               ; preds = %23
  %29 = load ptr, ptr %9, align 8, !tbaa !5
  %30 = getelementptr inbounds float, ptr %29, i32 1
  store ptr %30, ptr %9, align 8, !tbaa !5
  %31 = load float, ptr %29, align 4, !tbaa !11
  %32 = load i32, ptr %10, align 4, !tbaa !9
  %33 = load i32, ptr %12, align 4, !tbaa !9
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN4sptk6reaper5Track1aEii(ptr noundef nonnull align 8 dereferenceable(72) %13, i32 noundef %32, i32 noundef %33)
  store float %31, ptr %34, align 4, !tbaa !11
  br label %35

35:                                               ; preds = %28
  %36 = load i32, ptr %12, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %12, align 4, !tbaa !9
  br label %23, !llvm.loop !13

38:                                               ; preds = %27
  br label %39

39:                                               ; preds = %38
  %40 = load i32, ptr %10, align 4, !tbaa !9
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %10, align 4, !tbaa !9
  br label %17, !llvm.loop !15

42:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN4sptk6reaper5Track1aEii(ptr noundef nonnull align 8 dereferenceable(72), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4sptk6reaper5Track6resizeEii(ptr noundef nonnull align 8 dereferenceable(72), i32 noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4sptk6reaper5Track8CopyFromEPKcii(ptr noundef nonnull align 8 dereferenceable(72) %0, ptr nocapture noundef readonly %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #1 align 2 {
  tail call void @_ZN4sptk6reaper5Track6resizeEii(ptr noundef nonnull align 8 dereferenceable(72) %0, i32 noundef %2, i32 noundef %3)
  %5 = icmp sgt i32 %2, 0
  %6 = icmp sgt i32 %3, 0
  %or.cond = and i1 %5, %6
  br i1 %or.cond, label %.preheader.us, label %._crit_edge18

.preheader.us:                                    ; preds = %4, %._crit_edge.us
  %.01217.us = phi i32 [ %12, %._crit_edge.us ], [ 0, %4 ]
  %.01316.us = phi ptr [ %8, %._crit_edge.us ], [ %1, %4 ]
  br label %7

7:                                                ; preds = %.preheader.us, %7
  %.015.us = phi i32 [ 0, %.preheader.us ], [ %11, %7 ]
  %.114.us = phi ptr [ %.01316.us, %.preheader.us ], [ %8, %7 ]
  %8 = getelementptr inbounds i8, ptr %.114.us, i64 4
  %9 = load float, ptr %.114.us, align 4, !tbaa !5
  %10 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZN4sptk6reaper5Track1aEii(ptr noundef nonnull align 8 dereferenceable(72) %0, i32 noundef %.01217.us, i32 noundef %.015.us)
  store float %9, ptr %10, align 4, !tbaa !5
  %11 = add nuw nsw i32 %.015.us, 1
  %exitcond.not = icmp eq i32 %11, %3
  br i1 %exitcond.not, label %._crit_edge.us, label %7, !llvm.loop !9

._crit_edge.us:                                   ; preds = %7
  %12 = add nuw nsw i32 %.01217.us, 1
  %exitcond20.not = icmp eq i32 %12, %2
  br i1 %exitcond20.not, label %._crit_edge18, label %.preheader.us, !llvm.loop !11

._crit_edge18:                                    ; preds = %._crit_edge.us, %4
  ret void
}

attributes #0 = { 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 #1 = { 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" }

!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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass