; LLVM IR from sp-nitech/SPTK :: third_party/REAPER/wave/wave.ll (ZN4sptk6reaper8WaveData3SetEiiPKs)

; 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: mustprogress uwtable
define dso_local void @_ZN4sptk6reaper8WaveData3SetEiiPKs(ptr noundef nonnull align 8 dereferenceable(28) %0, i32 noundef %1, i32 noundef %2, ptr noundef %3) #0 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8
  %11 = load i32, ptr %7, align 4, !tbaa !9
  call void @_ZN4sptk6reaper8WaveData15set_sample_rateEi(ptr noundef nonnull align 8 dereferenceable(28) %10, i32 noundef %11)
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  call void @_ZNSt6vectorIsSaIsEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %13)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %28, %4
  %15 = load i32, ptr %9, align 4, !tbaa !9
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %31

19:                                               ; preds = %14
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds i16, ptr %20, i64 %22
  %24 = load i16, ptr %23, align 2, !tbaa !11
  %25 = load i32, ptr %9, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = call noundef nonnull align 2 dereferenceable(2) ptr @_ZNSt6vectorIsSaIsEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %26) #3
  store i16 %24, ptr %27, align 2, !tbaa !11
  br label %28

28:                                               ; preds = %19
  %29 = load i32, ptr %9, align 4, !tbaa !9
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %9, align 4, !tbaa !9
  br label %14, !llvm.loop !13

31:                                               ; preds = %18
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4sptk6reaper8WaveData15set_sample_rateEi(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIsSaIsEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 2 dereferenceable(2) ptr @_ZNSt6vectorIsSaIsEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 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 nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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 uwtable
define dso_local void @_ZN4sptk6reaper8WaveData3SetEiiPKs(ptr noundef nonnull align 8 dereferenceable(28) %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef readonly %3) local_unnamed_addr #0 align 2 {
  tail call void @_ZN4sptk6reaper8WaveData15set_sample_rateEi(ptr noundef nonnull align 8 dereferenceable(28) %0, i32 noundef %2)
  %5 = sext i32 %1 to i64
  tail call void @_ZNSt6vectorIsSaIsEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %5)
  %6 = icmp sgt i32 %1, 0
  br i1 %6, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %4
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %4
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %7 = getelementptr inbounds i16, ptr %3, i64 %indvars.iv
  %8 = load i16, ptr %7, align 2, !tbaa !5
  %9 = tail call noundef nonnull align 2 dereferenceable(2) ptr @_ZNSt6vectorIsSaIsEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #2
  store i16 %8, ptr %9, align 2, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4sptk6reaper8WaveData15set_sample_rateEi(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIsSaIsEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 2 dereferenceable(2) ptr @_ZNSt6vectorIsSaIsEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

attributes #0 = { 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 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 = { 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 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass