; LLVM IR from alekmaul/pvsneslib :: snes-examples/graphics/Sprites/DynamicSprite (DynamicSprite)

; 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.spritequeue = type { ptr, i16 }

@spr_queue = external dso_local global i8, align 1
@spr_mutex = external dso_local global i8, align 1
@sprqueue = external dso_local global [16 x %struct.spritequeue], align 16

; Function Attrs: nounwind uwtable
define dso_local void @addSprite(ptr noundef %0, i16 noundef zeroext %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i16, align 2
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i16 %1, ptr %4, align 2, !tbaa !9
  store i8 1, ptr @spr_mutex, align 1, !tbaa !11
  %5 = load i8, ptr @spr_queue, align 1, !tbaa !11
  %6 = add i8 %5, 1
  store i8 %6, ptr @spr_queue, align 1, !tbaa !11
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = load i8, ptr @spr_queue, align 1, !tbaa !11
  %9 = zext i8 %8 to i64
  %10 = getelementptr inbounds [16 x %struct.spritequeue], ptr @sprqueue, i64 0, i64 %9
  %11 = getelementptr inbounds %struct.spritequeue, ptr %10, i32 0, i32 0
  store ptr %7, ptr %11, align 16, !tbaa !12
  %12 = load i16, ptr %4, align 2, !tbaa !9
  %13 = load i8, ptr @spr_queue, align 1, !tbaa !11
  %14 = zext i8 %13 to i64
  %15 = getelementptr inbounds [16 x %struct.spritequeue], ptr @sprqueue, i64 0, i64 %14
  %16 = getelementptr inbounds %struct.spritequeue, ptr %15, i32 0, i32 1
  store i16 %12, ptr %16, align 8, !tbaa !14
  store i8 0, ptr @spr_mutex, align 1, !tbaa !11
  ret void
}

attributes #0 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !6, i64 0}
!13 = !{!"", !6, i64 0, !10, i64 8}
!14 = !{!13, !10, i64 8}


; 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.spritequeue = type { ptr, i16 }

@spr_queue = external dso_local local_unnamed_addr global i8, align 1
@spr_mutex = external dso_local local_unnamed_addr global i8, align 1
@sprqueue = external dso_local local_unnamed_addr global [16 x %struct.spritequeue], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @addSprite(ptr noundef %0, i16 noundef zeroext %1) local_unnamed_addr #0 {
  %3 = load i8, ptr @spr_queue, align 1, !tbaa !5
  %4 = add i8 %3, 1
  store i8 %4, ptr @spr_queue, align 1, !tbaa !5
  %5 = zext i8 %4 to i64
  %6 = getelementptr inbounds [16 x %struct.spritequeue], ptr @sprqueue, i64 0, i64 %5
  store ptr %0, ptr %6, align 16, !tbaa !8
  %7 = getelementptr inbounds [16 x %struct.spritequeue], ptr @sprqueue, i64 0, i64 %5, i32 1
  store i16 %1, ptr %7, align 8, !tbaa !12
  store i8 0, ptr @spr_mutex, align 1, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 0}
!9 = !{!"", !10, i64 0, !11, i64 8}
!10 = !{!"any pointer", !6, i64 0}
!11 = !{!"short", !6, i64 0}
!12 = !{!9, !11, i64 8}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass