; LLVM IR from ARM-software/Arm-2D :: Helper/Source (console_box)

; 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.console_box_t = type { %struct.anon }
%struct.anon = type { ptr, %struct.arm_2d_size_t, [4 x i8], %struct.arm_2d_byte_fifo_t, %struct.arm_2d_byte_fifo_t, %struct.anon.0, ptr, %struct.arm_2d_region_t, %struct.arm_2d_region_list_item_t, ptr, i16, i8 }
%struct.arm_2d_size_t = type { i16, i16 }
%struct.arm_2d_byte_fifo_t = type { [24 x i8] }
%struct.anon.0 = type { i16, i16, i16, i16, i16, i16, i16, i16, i16 }
%struct.arm_2d_region_t = type { %union.anon, %union.anon.1 }
%union.anon = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.1 = type { %struct.arm_2d_size_t }
%struct.arm_2d_region_list_item_t = type { ptr, [8 x i8], %struct.arm_2d_region_t, [4 x i8] }

; Function Attrs: nounwind uwtable
define dso_local void @console_box_clear_screen(ptr noundef nonnull %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  store ptr null, ptr %4, align 8, !tbaa !5
  br label %5

5:                                                ; preds = %10, %1
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds i32, ptr %6, i32 1
  store ptr %7, ptr %4, align 8, !tbaa !5
  %8 = icmp eq ptr %6, null
  br i1 %8, label %10, label %9

9:                                                ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  br label %17

10:                                               ; preds = %5
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.console_box_t, ptr %11, i32 0, i32 0
  %13 = getelementptr inbounds %struct.anon, ptr %12, i32 0, i32 11
  %14 = load i8, ptr %13, align 2
  %15 = and i8 %14, -65
  %16 = or i8 %15, 64
  store i8 %16, ptr %13, align 2
  br label %5, !llvm.loop !11

17:                                               ; preds = %9
  ret void
}

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

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

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @console_box_clear_screen(ptr nocapture noundef nonnull %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 146
  %.promoted = load i8, ptr %2, align 2
  %3 = or i8 %.promoted, 64
  store i8 %3, ptr %2, align 2
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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)"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass