; LLVM IR from Overload-Technologies/Overload :: Dependencies/soloud/src/audiosource/ay/sndchip.ll (ZN7SNDCHIP6renderEP5AYOUTjj)

; 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.AYOUT = type { i32, i8, i8, i8, i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7SNDCHIP6renderEP5AYOUTjj(ptr noundef nonnull align 8 dereferenceable(1164) %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 @_ZN7SNDCHIP11start_frameEv(ptr noundef nonnull align 8 dereferenceable(1164) %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 = %35, %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 %38

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.AYOUT, ptr %17, i64 %19
  %21 = getelementptr inbounds %struct.AYOUT, ptr %20, i32 0, i32 1
  %22 = load i8, ptr %21, align 4, !tbaa !11
  call void @_ZN7SNDCHIP6selectEh(ptr noundef nonnull align 8 dereferenceable(1164) %10, i8 noundef zeroext %22)
  %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.AYOUT, ptr %23, i64 %25
  %27 = getelementptr inbounds %struct.AYOUT, ptr %26, i32 0, i32 0
  %28 = load i32, ptr %27, align 4, !tbaa !13
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = load i32, ptr %9, align 4, !tbaa !9
  %31 = zext i32 %30 to i64
  %32 = getelementptr inbounds %struct.AYOUT, ptr %29, i64 %31
  %33 = getelementptr inbounds %struct.AYOUT, ptr %32, i32 0, i32 2
  %34 = load i8, ptr %33, align 1, !tbaa !14
  call void @_ZN7SNDCHIP5writeEjh(ptr noundef nonnull align 8 dereferenceable(1164) %10, i32 noundef %28, i8 noundef zeroext %34)
  br label %35

35:                                               ; preds = %16
  %36 = load i32, ptr %9, align 4, !tbaa !9
  %37 = add i32 %36, 1
  store i32 %37, ptr %9, align 4, !tbaa !9
  br label %11, !llvm.loop !15

38:                                               ; preds = %15
  %39 = load i32, ptr %8, align 4, !tbaa !9
  call void @_ZN7SNDCHIP9end_frameEj(ptr noundef nonnull align 8 dereferenceable(1164) %10, i32 noundef %39)
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7SNDCHIP11start_frameEv(ptr noundef nonnull align 8 dereferenceable(1164)) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7SNDCHIP6selectEh(ptr noundef nonnull align 8 dereferenceable(1164), i8 noundef zeroext) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7SNDCHIP5writeEjh(ptr noundef nonnull align 8 dereferenceable(1164), i32 noundef, i8 noundef zeroext) #0 align 2

; 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
declare dso_local void @_ZN7SNDCHIP9end_frameEj(ptr noundef nonnull align 8 dereferenceable(1164), 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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, !7, i64 4}
!12 = !{!"_ZTS5AYOUT", !10, i64 0, !7, i64 4, !7, i64 5, !7, i64 6, !7, i64 7}
!13 = !{!12, !10, i64 0}
!14 = !{!12, !7, i64 5}
!15 = distinct !{!15, !16}
!16 = !{!"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.AYOUT = type { i32, i8, i8, i8, i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7SNDCHIP6renderEP5AYOUTjj(ptr noundef nonnull align 8 dereferenceable(1164) %0, ptr nocapture noundef readonly %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 align 2 {
  tail call void @_ZN7SNDCHIP11start_frameEv(ptr noundef nonnull align 8 dereferenceable(1164) %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 @_ZN7SNDCHIP9end_frameEj(ptr noundef nonnull align 8 dereferenceable(1164) %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.AYOUT, ptr %1, i64 %indvars.iv
  %6 = getelementptr inbounds i8, ptr %5, i64 4
  %7 = load i8, ptr %6, align 4, !tbaa !5
  tail call void @_ZN7SNDCHIP6selectEh(ptr noundef nonnull align 8 dereferenceable(1164) %0, i8 noundef zeroext %7)
  %8 = load i32, ptr %5, align 4, !tbaa !10
  %9 = getelementptr inbounds i8, ptr %5, i64 5
  %10 = load i8, ptr %9, align 1, !tbaa !11
  tail call void @_ZN7SNDCHIP5writeEjh(ptr noundef nonnull align 8 dereferenceable(1164) %0, i32 noundef %8, i8 noundef zeroext %10)
  %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 !12
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7SNDCHIP11start_frameEv(ptr noundef nonnull align 8 dereferenceable(1164)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7SNDCHIP6selectEh(ptr noundef nonnull align 8 dereferenceable(1164), i8 noundef zeroext) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7SNDCHIP5writeEjh(ptr noundef nonnull align 8 dereferenceable(1164), i32 noundef, i8 noundef zeroext) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7SNDCHIP9end_frameEj(ptr noundef nonnull align 8 dereferenceable(1164), 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, !8, i64 4}
!6 = !{!"_ZTS5AYOUT", !7, i64 0, !8, i64 4, !8, i64 5, !8, i64 6, !8, i64 7}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 0}
!11 = !{!6, !8, i64 5}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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