; LLVM IR from ARM-software/Arm-2D :: Helper/Source/arm_2d_helper_list.ll_ (arm_2d_list_core_get_selected_item_id)

; 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_selected_item_id = external hidden unnamed_addr constant [73 x i8], align 1

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

; Function Attrs: nounwind uwtable
define dso_local zeroext i16 @__arm_2d_list_core_get_selected_item_id(ptr noundef nonnull %0) #1 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp ne ptr null, %3
  br i1 %4, label %5, label %6

5:                                                ; preds = %1
  br label %7

6:                                                ; preds = %1
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 549, ptr noundef @__PRETTY_FUNCTION__.__arm_2d_list_core_get_selected_item_id) #2
  unreachable

7:                                                ; preds = %5
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.__arm_2d_list_core_t, ptr %8, i32 0, i32 1
  %10 = getelementptr inbounds %struct.anon.0, ptr %9, i32 0, i32 1
  %11 = getelementptr inbounds %struct.anon.19, ptr %10, i32 0, i32 5
  %12 = load i16, ptr %11, align 4, !tbaa !9
  ret i16 %12
}

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 = { 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 = { 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 = !{!10, !14, i64 260}
!10 = !{!"__arm_2d_list_core_t", !11, i64 0, !16, i64 80, !27, i64 272}
!11 = !{!"", !12, i64 0}
!12 = !{!"__arm_2d_list_core_cfg_t", !13, i64 0, !6, i64 8, !7, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !15, i64 48, !6, i64 56, !14, i64 64, !14, i64 66, !14, i64 68, !14, i64 70, !14, i64 70, !14, i64 70, !6, i64 72}
!13 = !{!"arm_2d_size_t", !14, i64 0, !14, i64 2}
!14 = !{!"short", !7, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = !{!"", !17, i64 0, !22, i64 80}
!17 = !{!"", !18, i64 0, !18, i64 24, !19, i64 48, !7, i64 72, !7, i64 74}
!18 = !{!"arm_2d_tile_t", !7, i64 0, !7, i64 4, !7, i64 16}
!19 = !{!"__arm_2d_list_work_area_t", !6, i64 0, !20, i64 8, !21, i64 16, !15, i64 20}
!20 = !{!"arm_2d_region_t", !7, i64 0, !7, i64 4}
!21 = !{!"arm_2d_list_item_param_t", !7, i64 0, !7, i64 0, !7, i64 1, !14, i64 2}
!22 = !{!"", !18, i64 0, !23, i64 24, !23, i64 32, !24, i64 40, !25, i64 80, !14, i64 100, !7, i64 102, !7, i64 103, !7, i64 103, !7, i64 103, !26, i64 104}
!23 = !{!"long", !7, i64 0}
!24 = !{!"arm_2d_helper_pi_slider_t", !7, i64 0}
!25 = !{!"", !15, i64 0, !15, i64 4, !15, i64 8, !20, i64 12}
!26 = !{!"", !14, i64 0, !15, i64 4}
!27 = !{!"", !7, i64 0, !28, i64 1, !14, i64 2, !15, i64 4, !7, i64 8}
!28 = !{!"_Bool", !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: read) uwtable
define dso_local zeroext i16 @__arm_2d_list_core_get_selected_item_id(ptr nocapture noundef nonnull readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 260
  %3 = load i16, ptr %2, align 4, !tbaa !5
  ret i16 %3
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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, !10, i64 260}
!6 = !{!"__arm_2d_list_core_t", !7, i64 0, !15, i64 80, !26, i64 272}
!7 = !{!"", !8, i64 0}
!8 = !{!"__arm_2d_list_core_cfg_t", !9, i64 0, !13, i64 8, !11, i64 16, !13, i64 24, !13, i64 32, !13, i64 40, !14, i64 48, !13, i64 56, !10, i64 64, !10, i64 66, !10, i64 68, !10, i64 70, !10, i64 70, !10, i64 70, !13, i64 72}
!9 = !{!"arm_2d_size_t", !10, i64 0, !10, i64 2}
!10 = !{!"short", !11, i64 0}
!11 = !{!"omnipotent char", !12, i64 0}
!12 = !{!"Simple C/C++ TBAA"}
!13 = !{!"any pointer", !11, i64 0}
!14 = !{!"int", !11, i64 0}
!15 = !{!"", !16, i64 0, !21, i64 80}
!16 = !{!"", !17, i64 0, !17, i64 24, !18, i64 48, !11, i64 72, !11, i64 74}
!17 = !{!"arm_2d_tile_t", !11, i64 0, !11, i64 4, !11, i64 16}
!18 = !{!"__arm_2d_list_work_area_t", !13, i64 0, !19, i64 8, !20, i64 16, !14, i64 20}
!19 = !{!"arm_2d_region_t", !11, i64 0, !11, i64 4}
!20 = !{!"arm_2d_list_item_param_t", !11, i64 0, !11, i64 0, !11, i64 1, !10, i64 2}
!21 = !{!"", !17, i64 0, !22, i64 24, !22, i64 32, !23, i64 40, !24, i64 80, !10, i64 100, !11, i64 102, !11, i64 103, !11, i64 103, !11, i64 103, !25, i64 104}
!22 = !{!"long", !11, i64 0}
!23 = !{!"arm_2d_helper_pi_slider_t", !11, i64 0}
!24 = !{!"", !14, i64 0, !14, i64 4, !14, i64 8, !19, i64 12}
!25 = !{!"", !10, i64 0, !14, i64 4}
!26 = !{!"", !11, i64 0, !27, i64 1, !10, i64 2, !14, i64 4, !11, i64 8}
!27 = !{!"_Bool", !11, i64 0}


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