; LLVM IR from ARM-software/Arm-2D :: Library/Source (arm_2d)

; 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.__arm_2d_op_control = type { %struct.anon.49 }
%struct.anon.49 = type { ptr, %struct.anon.50, %struct.anon.51, i16, i16, i16, i16, ptr, %union.anon.52 }
%struct.anon.50 = type { ptr, ptr }
%struct.anon.51 = type { ptr, ptr }
%union.anon.52 = type { %struct.arm_2d_op_trans_msk_opa_t }
%struct.arm_2d_op_trans_msk_opa_t = type { %struct.arm_2d_op_core_t, %struct.anon.86, %struct.anon.87, %union.anon.88, %struct.anon.90, %struct.anon.91, %struct.__arm_2d_transform_info_t, i8 }
%struct.arm_2d_op_core_t = type { %struct.anon, i64 }
%struct.anon = type { ptr, ptr, %struct.anon.0, i8, %union.arm_2d_op_status_t, %struct.arm_2d_op_evt_t }
%struct.anon.0 = type { i8 }
%union.arm_2d_op_status_t = type { %struct.anon.1 }
%struct.anon.1 = type { i16 }
%struct.arm_2d_op_evt_t = type { ptr, ptr }
%struct.anon.86 = type { ptr, ptr }
%struct.anon.87 = type { ptr }
%union.anon.88 = type { %struct.anon.89 }
%struct.anon.89 = type { i32 }
%struct.anon.90 = type { ptr, %struct.arm_2d_tile_t }
%struct.arm_2d_tile_t = type { %union.anon.24, %union.anon.33, %union.anon.36 }
%union.anon.24 = type { %struct.anon.25 }
%struct.anon.25 = type { i8, %union.arm_2d_color_info_t, %union.anon.26 }
%union.arm_2d_color_info_t = type { %struct.anon.3 }
%struct.anon.3 = type { i8 }
%union.anon.26 = type { i16 }
%union.anon.33 = type { %struct.arm_2d_region_t }
%struct.arm_2d_region_t = type { %union.anon.34, %union.anon.35 }
%union.anon.34 = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.35 = type { %struct.arm_2d_size_t }
%struct.arm_2d_size_t = type { i16, i16 }
%union.anon.36 = type { ptr }
%struct.anon.91 = type { ptr, ptr }
%struct.__arm_2d_transform_info_t = type { float, float, float, %struct.arm_2d_point_float_t, %union.anon.78, %struct.anon.79 }
%struct.arm_2d_point_float_t = type { float, float }
%union.anon.78 = type { i32 }
%struct.anon.79 = type { %struct.arm_2d_location_t, %struct.anon.80 }
%struct.anon.80 = type { %struct.arm_2d_region_t, %struct.arm_2d_tile_t }

@ARM_2D_CTRL = external dso_local global %struct.__arm_2d_op_control, section ".bss.noinit", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @arm_2d_set_default_frame_buffer(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #2
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  store i32 0, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  store ptr null, ptr %5, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %11, %1
  %7 = load ptr, ptr %5, align 8, !tbaa !5
  %8 = getelementptr inbounds i32, ptr %7, i32 1
  store ptr %8, ptr %5, align 8, !tbaa !5
  %9 = icmp eq ptr %7, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  br label %14

11:                                               ; preds = %6
  %12 = load ptr, ptr getelementptr inbounds (%struct.anon.49, ptr @ARM_2D_CTRL, i32 0, i32 7), align 8, !tbaa !11
  store ptr %12, ptr %3, align 8, !tbaa !5
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %13, ptr getelementptr inbounds (%struct.anon.49, ptr @ARM_2D_CTRL, i32 0, i32 7), align 8, !tbaa !11
  br label %6, !llvm.loop !16

14:                                               ; preds = %10
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #2
  ret ptr %15
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = !{!12, !6, i64 48}
!12 = !{!"__arm_2d_op_control", !13, i64 0}
!13 = !{!"", !6, i64 0, !14, i64 8, !14, i64 24, !15, i64 40, !15, i64 42, !15, i64 44, !6, i64 48, !7, i64 56}
!14 = !{!"", !6, i64 0, !6, i64 8}
!15 = !{!"short", !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"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.__arm_2d_op_control = type { %struct.anon.49 }
%struct.anon.49 = type { ptr, %struct.anon.50, %struct.anon.51, i16, i16, i16, i16, ptr, %union.anon.52 }
%struct.anon.50 = type { ptr, ptr }
%struct.anon.51 = type { ptr, ptr }
%union.anon.52 = type { %struct.arm_2d_op_trans_msk_opa_t }
%struct.arm_2d_op_trans_msk_opa_t = type { %struct.arm_2d_op_core_t, %struct.anon.86, %struct.anon.87, %union.anon.88, %struct.anon.90, %struct.anon.91, %struct.__arm_2d_transform_info_t, i8 }
%struct.arm_2d_op_core_t = type { %struct.anon, i64 }
%struct.anon = type { ptr, ptr, %struct.anon.0, i8, %union.arm_2d_op_status_t, %struct.arm_2d_op_evt_t }
%struct.anon.0 = type { i8 }
%union.arm_2d_op_status_t = type { %struct.anon.1 }
%struct.anon.1 = type { i16 }
%struct.arm_2d_op_evt_t = type { ptr, ptr }
%struct.anon.86 = type { ptr, ptr }
%struct.anon.87 = type { ptr }
%union.anon.88 = type { %struct.anon.89 }
%struct.anon.89 = type { i32 }
%struct.anon.90 = type { ptr, %struct.arm_2d_tile_t }
%struct.arm_2d_tile_t = type { %union.anon.24, %union.anon.33, %union.anon.36 }
%union.anon.24 = type { %struct.anon.25 }
%struct.anon.25 = type { i8, %union.arm_2d_color_info_t, %union.anon.26 }
%union.arm_2d_color_info_t = type { %struct.anon.3 }
%struct.anon.3 = type { i8 }
%union.anon.26 = type { i16 }
%union.anon.33 = type { %struct.arm_2d_region_t }
%struct.arm_2d_region_t = type { %union.anon.34, %union.anon.35 }
%union.anon.34 = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.35 = type { %struct.arm_2d_size_t }
%struct.arm_2d_size_t = type { i16, i16 }
%union.anon.36 = type { ptr }
%struct.anon.91 = type { ptr, ptr }
%struct.__arm_2d_transform_info_t = type { float, float, float, %struct.arm_2d_point_float_t, %union.anon.78, %struct.anon.79 }
%struct.arm_2d_point_float_t = type { float, float }
%union.anon.78 = type { i32 }
%struct.anon.79 = type { %struct.arm_2d_location_t, %struct.anon.80 }
%struct.anon.80 = type { %struct.arm_2d_region_t, %struct.arm_2d_tile_t }

@ARM_2D_CTRL = external dso_local local_unnamed_addr global %struct.__arm_2d_op_control, section ".bss.noinit", align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local ptr @arm_2d_set_default_frame_buffer(ptr noundef %0) local_unnamed_addr #0 {
  %.promoted = load ptr, ptr getelementptr inbounds (i8, ptr @ARM_2D_CTRL, i64 48), align 8, !tbaa !5
  store ptr %0, ptr getelementptr inbounds (i8, ptr @ARM_2D_CTRL, i64 48), align 8, !tbaa !5
  ret ptr %.promoted
}

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, !8, i64 48}
!6 = !{!"__arm_2d_op_control", !7, i64 0}
!7 = !{!"", !8, i64 0, !11, i64 8, !11, i64 24, !12, i64 40, !12, i64 42, !12, i64 44, !8, i64 48, !9, i64 56}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"", !8, i64 0, !8, i64 8}
!12 = !{!"short", !9, i64 0}


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