; LLVM IR from Farama-Foundation/stable-retro :: cores/gb/libgambatte/src/video/ly_counter.ll (ZN8gambatte9LyCounterC2Ev)

; 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 @_ZN8gambatte9LyCounterC2Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.gambatte::LyCounter", ptr %3, i32 0, i32 0
  store i64 0, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %"class.gambatte::LyCounter", ptr %3, i32 0, i32 1
  store i16 0, ptr %5, align 8, !tbaa !14
  %6 = getelementptr inbounds %"class.gambatte::LyCounter", ptr %3, i32 0, i32 2
  store i8 0, ptr %6, align 2, !tbaa !15
  %7 = getelementptr inbounds %"class.gambatte::LyCounter", ptr %3, i32 0, i32 3
  store i8 0, ptr %7, align 1, !tbaa !16
  call void @_ZN8gambatte9LyCounter14setDoubleSpeedEb(ptr noundef nonnull align 8 dereferenceable(12) %3, i1 noundef zeroext false)
  call void @_ZN8gambatte9LyCounter5resetEmm(ptr noundef nonnull align 8 dereferenceable(12) %3, i64 noundef 0, i64 noundef 0)
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8gambatte9LyCounter14setDoubleSpeedEb(ptr noundef nonnull align 8 dereferenceable(12), i1 noundef zeroext) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8gambatte9LyCounter5resetEmm(ptr noundef nonnull align 8 dereferenceable(12), i64 noundef, i64 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" }

!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, !11, i64 0}
!10 = !{!"_ZTSN8gambatte9LyCounterE", !11, i64 0, !12, i64 8, !7, i64 10, !13, i64 11}
!11 = !{!"long", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{!10, !12, i64 8}
!15 = !{!10, !7, i64 10}
!16 = !{!10, !13, i64 11}


; 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 @_ZN8gambatte9LyCounterC2Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #0 align 2 {
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(12) %0, i8 0, i64 12, i1 false)
  tail call void @_ZN8gambatte9LyCounter14setDoubleSpeedEb(ptr noundef nonnull align 8 dereferenceable(12) %0, i1 noundef zeroext false)
  tail call void @_ZN8gambatte9LyCounter5resetEmm(ptr noundef nonnull align 8 dereferenceable(12) %0, i64 noundef 0, i64 noundef 0)
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8gambatte9LyCounter14setDoubleSpeedEb(ptr noundef nonnull align 8 dereferenceable(12), i1 noundef zeroext) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8gambatte9LyCounter5resetEmm(ptr noundef nonnull align 8 dereferenceable(12), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 nounwind willreturn memory(argmem: write) }

!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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass