; LLVM IR from Overload-Technologies/Overload :: Dependencies/soloud/src/audiosource/ay/sndrender.ll (ZN9SNDRENDER6renderEP6SNDOUTjj)

; 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.SNDOUT = type { i32, %union.SNDSAMPLE }
%union.SNDSAMPLE = type { i32 }
%struct.anon = type { i16, i16 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9SNDRENDER6renderEP6SNDOUTjj(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #0 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = 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
  %10 = load ptr, ptr %5, align 8
  call void @_ZN9SNDRENDER11start_frameEv(ptr noundef nonnull align 8 dereferenceable(80) %10)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %39, %4
  %12 = load i32, ptr %9, align 4, !tbaa !9
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = icmp ult i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %42

16:                                               ; preds = %11
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load i32, ptr %9, align 4, !tbaa !9
  %19 = zext i32 %18 to i64
  %20 = getelementptr inbounds %struct.SNDOUT, ptr %17, i64 %19
  %21 = getelementptr inbounds %struct.SNDOUT, ptr %20, i32 0, i32 0
  %22 = load i32, ptr %21, align 4, !tbaa !11
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = zext i32 %24 to i64
  %26 = getelementptr inbounds %struct.SNDOUT, ptr %23, i64 %25
  %27 = getelementptr inbounds %struct.SNDOUT, ptr %26, i32 0, i32 1
  %28 = getelementptr inbounds %struct.anon, ptr %27, i32 0, i32 0
  %29 = load i16, ptr %28, align 4, !tbaa !13
  %30 = zext i16 %29 to i32
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = zext i32 %32 to i64
  %34 = getelementptr inbounds %struct.SNDOUT, ptr %31, i64 %33
  %35 = getelementptr inbounds %struct.SNDOUT, ptr %34, i32 0, i32 1
  %36 = getelementptr inbounds %struct.anon, ptr %35, i32 0, i32 1
  %37 = load i16, ptr %36, align 2, !tbaa !13
  %38 = zext i16 %37 to i32
  call void @_ZN9SNDRENDER6updateEjjj(ptr noundef nonnull align 8 dereferenceable(80) %10, i32 noundef %22, i32 noundef %30, i32 noundef %38)
  br label %39

39:                                               ; preds = %16
  %40 = load i32, ptr %9, align 4, !tbaa !9
  %41 = add i32 %40, 1
  store i32 %41, ptr %9, align 4, !tbaa !9
  br label %11, !llvm.loop !14

42:                                               ; preds = %15
  %43 = load i32, ptr %8, align 4, !tbaa !9
  call void @_ZN9SNDRENDER9end_frameEj(ptr noundef nonnull align 8 dereferenceable(80) %10, i32 noundef %43)
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9SNDRENDER11start_frameEv(ptr noundef nonnull align 8 dereferenceable(80)) #1 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 uwtable
declare dso_local void @_ZN9SNDRENDER6updateEjjj(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef, i32 noundef, i32 noundef) #0 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9SNDRENDER9end_frameEj(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef) #0 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 = { 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, !10, i64 0}
!12 = !{!"_ZTS6SNDOUT", !10, i64 0, !7, i64 4}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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"

%struct.SNDOUT = type { i32, %union.SNDSAMPLE }
%union.SNDSAMPLE = type { i32 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9SNDRENDER6renderEP6SNDOUTjj(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr nocapture noundef readonly %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 align 2 {
  tail call void @_ZN9SNDRENDER11start_frameEv(ptr noundef nonnull align 8 dereferenceable(80) %0)
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %4
  %wide.trip.count = zext i32 %2 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %4
  tail call void @_ZN9SNDRENDER9end_frameEj(ptr noundef nonnull align 8 dereferenceable(80) %0, i32 noundef %3)
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %5 = getelementptr inbounds %struct.SNDOUT, ptr %1, i64 %indvars.iv
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %5, i64 4
  %8 = load i16, ptr %7, align 4, !tbaa !10
  %9 = zext i16 %8 to i32
  %10 = getelementptr inbounds i8, ptr %5, i64 6
  %11 = load i16, ptr %10, align 2, !tbaa !10
  %12 = zext i16 %11 to i32
  tail call void @_ZN9SNDRENDER6updateEjjj(ptr noundef nonnull align 8 dereferenceable(80) %0, i32 noundef %6, i32 noundef %9, i32 noundef %12)
  %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 !11
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9SNDRENDER11start_frameEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9SNDRENDER6updateEjjj(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9SNDRENDER9end_frameEj(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef) local_unnamed_addr #0 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" }

!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 = !{!"_ZTS6SNDOUT", !7, i64 0, !8, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!8, !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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