; LLVM IR from ARM-software/Arm-2D :: Helper/Source/arm_2d_helper_list.ll_ (arm_2d_list_core_get_selection_region)

; 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_list_core_t = type { %struct.anon, %struct.anon.0, %struct.anon.22 }
%struct.anon = type { %struct.__arm_2d_list_core_cfg_t }
%struct.__arm_2d_list_core_cfg_t = type { %struct.arm_2d_size_t, ptr, %union.anon, ptr, ptr, ptr, i32, ptr, i16, i16, i16, i16, ptr }
%struct.arm_2d_size_t = type { i16, i16 }
%union.anon = type { ptr }
%struct.anon.0 = type { %struct.anon.1, %struct.anon.19 }
%struct.anon.1 = type { %struct.arm_2d_tile_t, %struct.arm_2d_tile_t, %struct.__arm_2d_list_work_area_t, i8, %union.anon.17 }
%struct.arm_2d_tile_t = type { %union.anon.2, %union.anon.13, %union.anon.16 }
%union.anon.2 = type { %struct.anon.3 }
%struct.anon.3 = type { i8, %union.arm_2d_color_info_t, %union.anon.6 }
%union.arm_2d_color_info_t = type { %struct.anon.4 }
%struct.anon.4 = type { i8 }
%union.anon.6 = type { i16 }
%union.anon.13 = type { %struct.arm_2d_region_t }
%struct.arm_2d_region_t = type { %union.anon.14, %union.anon.15 }
%union.anon.14 = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.15 = type { %struct.arm_2d_size_t }
%union.anon.16 = type { ptr }
%struct.__arm_2d_list_work_area_t = type { ptr, %struct.arm_2d_region_t, %struct.arm_2d_list_item_param_t, i32 }
%struct.arm_2d_list_item_param_t = type { i8, i8, i16 }
%union.anon.17 = type { %struct.anon.18 }
%struct.anon.18 = type { i16 }
%struct.anon.19 = type { %struct.arm_2d_tile_t, i64, i64, %struct.arm_2d_helper_pi_slider_t, %struct.anon.20, i16, i8, i8, %struct.anon.21 }
%struct.arm_2d_helper_pi_slider_t = type { [40 x i8] }
%struct.anon.20 = type { i32, i32, i32, %struct.arm_2d_region_t }
%struct.anon.21 = type { i16, i32 }
%struct.anon.22 = type { i8, i8, i16, i32, %union.anon.23 }
%union.anon.23 = type { %struct.anon.24 }
%struct.anon.24 = type { i16, i16, i16, i16 }

@.str = external hidden unnamed_addr constant [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [88 x i8], align 1
@__PRETTY_FUNCTION__.__arm_2d_list_core_get_selection_region = external hidden unnamed_addr constant [100 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; 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) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @__arm_2d_list_core_get_selection_region(ptr noundef nonnull %0, ptr noundef nonnull %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp ne ptr null, %5
  br i1 %6, label %7, label %8

7:                                                ; preds = %2
  br label %9

8:                                                ; preds = %2
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1321, ptr noundef @__PRETTY_FUNCTION__.__arm_2d_list_core_get_selection_region) #3
  unreachable

9:                                                ; preds = %7
  br label %10

10:                                               ; preds = %9
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = icmp eq ptr null, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %10
  br label %21

14:                                               ; preds = %10
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.__arm_2d_list_core_t, ptr %16, i32 0, i32 1
  %18 = getelementptr inbounds %struct.anon.0, ptr %17, i32 0, i32 1
  %19 = getelementptr inbounds %struct.anon.19, ptr %18, i32 0, i32 4
  %20 = getelementptr inbounds %struct.anon.20, ptr %19, i32 0, i32 3
  call void @llvm.memcpy.p0.p0.i64(ptr align 2 %15, ptr align 4 %20, i64 8, i1 false), !tbaa.struct !9
  br label %21

21:                                               ; preds = %14, %13
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  ret ptr %22
}

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { noreturn 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 = !{i64 0, i64 4, !10, i64 4, i64 4, !10}
!10 = !{!7, !7, i64 0}


; 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 noundef nonnull ptr @__arm_2d_list_core_get_selection_region(ptr nocapture noundef nonnull readonly %0, ptr noundef nonnull returned writeonly %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 252
  %4 = load i64, ptr %3, align 4
  store i64 %4, ptr %1, align 2
  ret ptr %1
}

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,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass