; LLVM IR from Farama-Foundation/stable-retro :: cores/gb/libgambatte/src/video/ly_counter.ll (ZN8gambatte9LyCounter5resetEmm)

; 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.gambatte::LyCounter" = type <{ i64, i16, i8, i8, [4 x i8] }>

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8gambatte9LyCounter5resetEmm(ptr noundef nonnull align 8 dereferenceable(12) %0, i64 noundef %1, i64 noundef %2) #0 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !9
  %7 = load ptr, ptr %4, align 8
  %8 = load i64, ptr %5, align 8, !tbaa !9
  %9 = udiv i64 %8, 456
  %10 = trunc i64 %9 to i8
  %11 = getelementptr inbounds %"class.gambatte::LyCounter", ptr %7, i32 0, i32 2
  store i8 %10, ptr %11, align 2, !tbaa !11
  %12 = load i64, ptr %6, align 8, !tbaa !9
  %13 = load i64, ptr %5, align 8, !tbaa !9
  %14 = getelementptr inbounds %"class.gambatte::LyCounter", ptr %7, i32 0, i32 2
  %15 = load i8, ptr %14, align 2, !tbaa !11
  %16 = zext i8 %15 to i64
  %17 = mul i64 %16, 456
  %18 = sub i64 %13, %17
  %19 = sub i64 456, %18
  %20 = call noundef zeroext i1 @_ZNK8gambatte9LyCounter13isDoubleSpeedEv(ptr noundef nonnull align 8 dereferenceable(12) %7)
  %21 = zext i1 %20 to i32
  %22 = zext i32 %21 to i64
  %23 = shl i64 %19, %22
  %24 = add i64 %12, %23
  %25 = getelementptr inbounds %"class.gambatte::LyCounter", ptr %7, i32 0, i32 0
  store i64 %24, ptr %25, align 8, !tbaa !15
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8gambatte9LyCounter13isDoubleSpeedEv(ptr noundef nonnull align 8 dereferenceable(12)) #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" }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !7, i64 10}
!12 = !{!"_ZTSN8gambatte9LyCounterE", !10, i64 0, !13, i64 8, !7, i64 10, !14, i64 11}
!13 = !{!"short", !7, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{!12, !10, 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN8gambatte9LyCounter5resetEmm(ptr noundef nonnull align 8 dereferenceable(12) %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 align 2 {
  %4 = udiv i64 %1, 456
  %5 = trunc i64 %4 to i8
  %6 = getelementptr inbounds i8, ptr %0, i64 10
  store i8 %5, ptr %6, align 2, !tbaa !5
  %7 = and i64 %4, 255
  %.neg.neg = mul nuw nsw i64 %7, 456
  %reass.sub = sub i64 %.neg.neg, %1
  %8 = add i64 %reass.sub, 456
  %9 = tail call noundef zeroext i1 @_ZNK8gambatte9LyCounter13isDoubleSpeedEv(ptr noundef nonnull align 8 dereferenceable(12) %0)
  %10 = zext i1 %9 to i64
  %11 = shl i64 %8, %10
  %12 = add i64 %11, %2
  store i64 %12, ptr %0, align 8, !tbaa !12
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8gambatte9LyCounter13isDoubleSpeedEv(ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #0 align 2

attributes #0 = { 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 10}
!6 = !{!"_ZTSN8gambatte9LyCounterE", !7, i64 0, !10, i64 8, !8, i64 10, !11, i64 11}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!"bool", !8, i64 0}
!12 = !{!6, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass