; LLVM IR from ARM-software/Arm-2D :: Library/Source (arm_2d_alpha_blending)

; 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.10 }
%struct.anon.10 = type { ptr, %struct.anon.11, %struct.anon.12, i16, i16, i16, i16, ptr, %union.anon.13 }
%struct.anon.11 = type { ptr, ptr }
%struct.anon.12 = type { ptr, ptr }
%union.anon.13 = 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.67, %struct.anon.68, %union.anon.69, %struct.anon.71, %struct.anon.72, %struct.__arm_2d_transform_info_t, i8 }
%struct.arm_2d_op_core_t = type { %struct.anon.14, i64 }
%struct.anon.14 = type { ptr, ptr, %struct.anon.15, i8, %union.arm_2d_op_status_t, %struct.arm_2d_op_evt_t }
%struct.anon.15 = type { i8 }
%union.arm_2d_op_status_t = type { %struct.anon.16 }
%struct.anon.16 = type { i16 }
%struct.arm_2d_op_evt_t = type { ptr, ptr }
%struct.anon.67 = type { ptr, ptr }
%struct.anon.68 = type { ptr }
%union.anon.69 = type { %struct.anon.70 }
%struct.anon.70 = type { i32 }
%struct.anon.71 = type { ptr, %struct.arm_2d_tile_t }
%struct.arm_2d_tile_t = type { %union.anon.48, %union.anon.57, %union.anon.58 }
%union.anon.48 = type { %struct.anon.49 }
%struct.anon.49 = type { i8, %union.arm_2d_color_info_t, %union.anon.50 }
%union.arm_2d_color_info_t = type { %struct.anon.1 }
%struct.anon.1 = type { i8 }
%union.anon.50 = type { i16 }
%union.anon.57 = type { %struct.arm_2d_region_t }
%struct.arm_2d_region_t = type { %union.anon.3, %union.anon.4 }
%union.anon.3 = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.4 = type { %struct.arm_2d_size_t }
%struct.arm_2d_size_t = type { i16, i16 }
%union.anon.58 = type { ptr }
%struct.anon.72 = type { ptr, ptr }
%struct.__arm_2d_transform_info_t = type { float, float, float, %struct.arm_2d_point_float_t, %union.anon.59, %struct.anon.60 }
%struct.arm_2d_point_float_t = type { float, float }
%union.anon.59 = type { i32 }
%struct.anon.60 = type { %struct.arm_2d_location_t, %struct.anon.61 }
%struct.anon.61 = type { %struct.arm_2d_region_t, %struct.arm_2d_tile_t }
%union.anon.80 = type { %struct.anon.81 }
%struct.anon.81 = type { i8 }
%union.anon.82 = type { %struct.anon.83 }
%struct.anon.83 = type { i8, i8 }
%struct.anon.89 = type { ptr }
%struct.arm_2d_color_gray8_t = type { i8 }
%union.arm_2d_alpha_samples_3pts_t = type { %struct.anon.99 }
%struct.anon.99 = type { i8, i8, i8 }
%struct.arm_2d_fill_cl_3p_al_grd_t = type { %struct.anon.100 }
%struct.anon.100 = type { %union.anon.101, %union.anon.102, %union.arm_2d_alpha_samples_3pts_t }
%union.anon.101 = type { %struct.arm_2d_op_t }
%struct.arm_2d_op_t = type { %struct.arm_2d_op_core_t, %struct.anon.17 }
%struct.anon.17 = type { ptr, ptr }
%union.anon.102 = type { i32 }

@ARM_2D_CTRL = external global %struct.__arm_2d_op_control, align 8
@.str.21 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.174 = external hidden unnamed_addr constant [111 x i8], align 1
@__PRETTY_FUNCTION__.arm_2dp_gray8_fill_colour_with_3pts_alpha_gradient = external hidden unnamed_addr constant [193 x i8], align 1
@ARM_2D_OP_FILL_COLOUR_WITH_3PTS_ALPHA_GRADIENT_GRAY8 = external dso_local constant { { { i8 }, %union.anon.80, i8, i8, %union.anon.82, { %struct.anon.89, [8 x i8] } } }, 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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

declare zeroext i1 @__arm_2d_op_acquire(ptr noundef) #2

declare i32 @__arm_2d_op_invoke(ptr noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @arm_2dp_gray8_fill_colour_with_3pts_alpha_gradient(ptr noundef %0, ptr noundef nonnull %1, ptr noundef %2, i8 %3, i24 %4) #4 {
  %6 = alloca i32, align 4
  %7 = alloca %struct.arm_2d_color_gray8_t, align 1
  %8 = alloca %union.arm_2d_alpha_samples_3pts_t, align 1
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = getelementptr inbounds %struct.arm_2d_color_gray8_t, ptr %7, i32 0, i32 0
  store i8 %3, ptr %14, align 1
  %15 = getelementptr inbounds %union.arm_2d_alpha_samples_3pts_t, ptr %8, i32 0, i32 0
  store i24 %4, ptr %15, align 1
  store ptr %0, ptr %9, align 8, !tbaa !5
  store ptr %1, ptr %10, align 8, !tbaa !5
  store ptr %2, ptr %11, align 8, !tbaa !5
  %16 = load ptr, ptr %10, align 8, !tbaa !5
  %17 = icmp ne ptr null, %16
  br i1 %17, label %18, label %19

18:                                               ; preds = %5
  br label %20

19:                                               ; preds = %5
  call void @__assert_fail(ptr noundef @.str.21, ptr noundef @.str.174, i32 noundef 348, ptr noundef @__PRETTY_FUNCTION__.arm_2dp_gray8_fill_colour_with_3pts_alpha_gradient) #5
  unreachable

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr %21, ptr %12, align 8, !tbaa !5
  %22 = load ptr, ptr %12, align 8, !tbaa !5
  %23 = icmp eq ptr null, %22
  br i1 %23, label %24, label %25

24:                                               ; preds = %20
  store ptr getelementptr inbounds (%struct.anon.10, ptr @ARM_2D_CTRL, i32 0, i32 8), ptr %12, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %24, %20
  %26 = load ptr, ptr %12, align 8, !tbaa !5
  %27 = call zeroext i1 @__arm_2d_op_acquire(ptr noundef %26)
  br i1 %27, label %29, label %28

28:                                               ; preds = %25
  store i32 1, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %58

29:                                               ; preds = %25
  %30 = load ptr, ptr %12, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.arm_2d_fill_cl_3p_al_grd_t, ptr %30, i32 0, i32 0
  %32 = getelementptr inbounds %struct.anon.100, ptr %31, i32 0, i32 0
  %33 = getelementptr inbounds %struct.arm_2d_op_t, ptr %32, i32 0, i32 0
  %34 = getelementptr inbounds %struct.arm_2d_op_core_t, ptr %33, i32 0, i32 0
  %35 = getelementptr inbounds %struct.anon.14, ptr %34, i32 0, i32 1
  store ptr @ARM_2D_OP_FILL_COLOUR_WITH_3PTS_ALPHA_GRADIENT_GRAY8, ptr %35, align 8, !tbaa !9
  %36 = load ptr, ptr %10, align 8, !tbaa !5
  %37 = load ptr, ptr %12, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.arm_2d_fill_cl_3p_al_grd_t, ptr %37, i32 0, i32 0
  %39 = getelementptr inbounds %struct.anon.100, ptr %38, i32 0, i32 0
  %40 = getelementptr inbounds %struct.arm_2d_op_t, ptr %39, i32 0, i32 1
  %41 = getelementptr inbounds %struct.anon.17, ptr %40, i32 0, i32 0
  store ptr %36, ptr %41, align 8, !tbaa !9
  %42 = load ptr, ptr %11, align 8, !tbaa !5
  %43 = load ptr, ptr %12, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.arm_2d_fill_cl_3p_al_grd_t, ptr %43, i32 0, i32 0
  %45 = getelementptr inbounds %struct.anon.100, ptr %44, i32 0, i32 0
  %46 = getelementptr inbounds %struct.arm_2d_op_t, ptr %45, i32 0, i32 1
  %47 = getelementptr inbounds %struct.anon.17, ptr %46, i32 0, i32 1
  store ptr %42, ptr %47, align 8, !tbaa !9
  %48 = getelementptr inbounds %struct.arm_2d_color_gray8_t, ptr %7, i32 0, i32 0
  %49 = load i8, ptr %48, align 1, !tbaa !10
  %50 = load ptr, ptr %12, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.arm_2d_fill_cl_3p_al_grd_t, ptr %50, i32 0, i32 0
  %52 = getelementptr inbounds %struct.anon.100, ptr %51, i32 0, i32 1
  store i8 %49, ptr %52, align 8, !tbaa !9
  %53 = load ptr, ptr %12, align 8, !tbaa !5
  %54 = getelementptr inbounds %struct.arm_2d_fill_cl_3p_al_grd_t, ptr %53, i32 0, i32 0
  %55 = getelementptr inbounds %struct.anon.100, ptr %54, i32 0, i32 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %55, ptr align 1 %8, i64 3, i1 false), !tbaa.struct !12
  %56 = load ptr, ptr %12, align 8, !tbaa !5
  %57 = call i32 @__arm_2d_op_invoke(ptr noundef %56)
  store i32 %57, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %58

58:                                               ; preds = %29, %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  %59 = load i32, ptr %6, align 4
  ret i32 %59
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn nounwind "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 = { "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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { noreturn nounwind }
attributes #6 = { 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 = !{!7, !7, i64 0}
!10 = !{!11, !7, i64 0}
!11 = !{!"arm_2d_color_gray8_t", !7, i64 0}
!12 = !{i64 0, i64 3, !9}


; 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.10 }
%struct.anon.10 = type { ptr, %struct.anon.11, %struct.anon.12, i16, i16, i16, i16, ptr, %union.anon.13 }
%struct.anon.11 = type { ptr, ptr }
%struct.anon.12 = type { ptr, ptr }
%union.anon.13 = 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.67, %struct.anon.68, %union.anon.69, %struct.anon.71, %struct.anon.72, %struct.__arm_2d_transform_info_t, i8 }
%struct.arm_2d_op_core_t = type { %struct.anon.14, i64 }
%struct.anon.14 = type { ptr, ptr, %struct.anon.15, i8, %union.arm_2d_op_status_t, %struct.arm_2d_op_evt_t }
%struct.anon.15 = type { i8 }
%union.arm_2d_op_status_t = type { %struct.anon.16 }
%struct.anon.16 = type { i16 }
%struct.arm_2d_op_evt_t = type { ptr, ptr }
%struct.anon.67 = type { ptr, ptr }
%struct.anon.68 = type { ptr }
%union.anon.69 = type { %struct.anon.70 }
%struct.anon.70 = type { i32 }
%struct.anon.71 = type { ptr, %struct.arm_2d_tile_t }
%struct.arm_2d_tile_t = type { %union.anon.48, %union.anon.57, %union.anon.58 }
%union.anon.48 = type { %struct.anon.49 }
%struct.anon.49 = type { i8, %union.arm_2d_color_info_t, %union.anon.50 }
%union.arm_2d_color_info_t = type { %struct.anon.1 }
%struct.anon.1 = type { i8 }
%union.anon.50 = type { i16 }
%union.anon.57 = type { %struct.arm_2d_region_t }
%struct.arm_2d_region_t = type { %union.anon.3, %union.anon.4 }
%union.anon.3 = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.4 = type { %struct.arm_2d_size_t }
%struct.arm_2d_size_t = type { i16, i16 }
%union.anon.58 = type { ptr }
%struct.anon.72 = type { ptr, ptr }
%struct.__arm_2d_transform_info_t = type { float, float, float, %struct.arm_2d_point_float_t, %union.anon.59, %struct.anon.60 }
%struct.arm_2d_point_float_t = type { float, float }
%union.anon.59 = type { i32 }
%struct.anon.60 = type { %struct.arm_2d_location_t, %struct.anon.61 }
%struct.anon.61 = type { %struct.arm_2d_region_t, %struct.arm_2d_tile_t }
%union.anon.80 = type { %struct.anon.81 }
%struct.anon.81 = type { i8 }
%union.anon.82 = type { %struct.anon.83 }
%struct.anon.83 = type { i8, i8 }
%struct.anon.89 = type { ptr }

@ARM_2D_CTRL = external global %struct.__arm_2d_op_control, align 8
@ARM_2D_OP_FILL_COLOUR_WITH_3PTS_ALPHA_GRADIENT_GRAY8 = external dso_local constant { { { i8 }, %union.anon.80, i8, i8, %union.anon.82, { %struct.anon.89, [8 x i8] } } }, align 8

declare zeroext i1 @__arm_2d_op_acquire(ptr noundef) local_unnamed_addr #0

declare i32 @__arm_2d_op_invoke(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @arm_2dp_gray8_fill_colour_with_3pts_alpha_gradient(ptr noundef %0, ptr noundef nonnull %1, ptr noundef %2, i8 %3, i24 %4) local_unnamed_addr #1 {
  %6 = icmp eq ptr %0, null
  %spec.store.select = select i1 %6, ptr getelementptr inbounds (i8, ptr @ARM_2D_CTRL, i64 56), ptr %0
  %7 = tail call zeroext i1 @__arm_2d_op_acquire(ptr noundef nonnull %spec.store.select) #2
  br i1 %7, label %8, label %15

8:                                                ; preds = %5
  %9 = getelementptr inbounds i8, ptr %spec.store.select, i64 8
  store ptr @ARM_2D_OP_FILL_COLOUR_WITH_3PTS_ALPHA_GRADIENT_GRAY8, ptr %9, align 8, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %spec.store.select, i64 48
  store ptr %1, ptr %10, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %spec.store.select, i64 56
  store ptr %2, ptr %11, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %spec.store.select, i64 64
  store i8 %3, ptr %12, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %spec.store.select, i64 68
  store i24 %4, ptr %13, align 4, !tbaa !5
  %14 = tail call i32 @__arm_2d_op_invoke(ptr noundef nonnull %spec.store.select) #2
  br label %15

15:                                               ; preds = %5, %8
  %.0 = phi i32 [ %14, %8 ], [ 1, %5 ]
  ret i32 %.0
}

attributes #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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass