; LLVM IR from ARM-software/Arm-2D :: Helper/Source/arm_2d_helper_pfb.ll_ (arm_2d_helper_pfb_free)

; 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_helper_pfb_t = type { %struct.anon, %struct.anon.30 }
%struct.anon = type { %struct.arm_2d_helper_pfb_cfg_t, %struct.anon.4 }
%struct.arm_2d_helper_pfb_cfg_t = type { %struct.arm_2d_region_t, %struct.anon.1, %struct.anon.2, %struct.arm_2d_helper_pfb_dependency_t }
%struct.arm_2d_region_t = type { %union.anon, %union.anon.0 }
%union.anon = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.0 = type { %struct.arm_2d_size_t }
%struct.arm_2d_size_t = type { i16, i16 }
%struct.anon.1 = type <{ ptr, %struct.arm_2d_size_t, i64, [4 x i8] }>
%struct.anon.2 = type { ptr, i8 }
%struct.arm_2d_helper_pfb_dependency_t = type { %struct.arm_2d_helper_render_evt_t, %struct.arm_2d_helper_draw_evt_t, %struct.arm_2d_evt_t, %struct.arm_2d_evt_t, %struct.anon.3, %struct.arm_2d_helper_before_flushing_evt_t }
%struct.arm_2d_helper_render_evt_t = type { ptr, ptr }
%struct.arm_2d_helper_draw_evt_t = type { ptr, ptr }
%struct.arm_2d_evt_t = type { ptr, ptr }
%struct.anon.3 = type { %struct.arm_2d_helper_draw_evt_t, ptr }
%struct.arm_2d_helper_before_flushing_evt_t = type { ptr, ptr }
%struct.anon.4 = type { %struct.arm_2d_location_t, %struct.arm_2d_region_t, ptr, %struct.anon.5, %struct.arm_2d_tile_t, %struct.arm_2d_size_t, i32, i8, i8, i16, %struct.anon.21, %union.arm_2d_colour_t, i64, ptr, ptr, ptr, %struct.anon.29, ptr }
%struct.anon.5 = type { ptr, ptr, ptr, ptr, %struct.arm_2d_region_list_item_t }
%struct.arm_2d_region_list_item_t = type { ptr, %struct.anon.6, %struct.arm_2d_region_t, %struct.anon.7 }
%struct.anon.6 = type { ptr }
%struct.anon.7 = type { i8, i8, i16 }
%struct.arm_2d_tile_t = type { %union.anon.8, %union.anon.19, %union.anon.20 }
%union.anon.8 = type { %struct.anon.9 }
%struct.anon.9 = type { i8, %union.arm_2d_color_info_t, %union.anon.12 }
%union.arm_2d_color_info_t = type { %struct.anon.10 }
%struct.anon.10 = type { i8 }
%union.anon.12 = type { i16 }
%union.anon.19 = type { %struct.arm_2d_region_t }
%union.anon.20 = type { ptr }
%struct.anon.21 = type { i32 }
%union.arm_2d_colour_t = type { i32 }
%struct.anon.29 = type { ptr, ptr }
%struct.anon.30 = type { i64, i32, i32 }
%struct.__arm_slist_node_t = type { ptr }

@.str = external hidden unnamed_addr constant [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [87 x i8], align 1
@__PRETTY_FUNCTION__.__arm_2d_helper_pfb_free = external hidden unnamed_addr constant [69 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 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

; Function Attrs: nounwind uwtable
define dso_local void @__arm_2d_helper_pfb_free(ptr noundef nonnull %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = icmp ne ptr null, %7
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  br label %11

10:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 143, ptr noundef @__PRETTY_FUNCTION__.__arm_2d_helper_pfb_free) #4
  unreachable

11:                                               ; preds = %9
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = icmp eq ptr null, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  br label %56

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store ptr null, ptr %6, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %36, %15
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = getelementptr inbounds i32, ptr %17, i32 1
  store ptr %18, ptr %6, align 8, !tbaa !5
  %19 = icmp eq ptr %17, null
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %43

21:                                               ; preds = %16
  br label %22

22:                                               ; preds = %21
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.arm_2d_helper_pfb_t, ptr %23, i32 0, i32 0
  %25 = getelementptr inbounds %struct.anon, ptr %24, i32 0, i32 1
  %26 = getelementptr inbounds %struct.anon.4, ptr %25, i32 0, i32 14
  %27 = load ptr, ptr %26, align 8, !tbaa !11
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.__arm_slist_node_t, ptr %28, i32 0, i32 0
  store ptr %27, ptr %29, align 8, !tbaa !37
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.arm_2d_helper_pfb_t, ptr %31, i32 0, i32 0
  %33 = getelementptr inbounds %struct.anon, ptr %32, i32 0, i32 1
  %34 = getelementptr inbounds %struct.anon.4, ptr %33, i32 0, i32 14
  store ptr %30, ptr %34, align 8, !tbaa !5
  br label %35

35:                                               ; preds = %22
  br label %36

36:                                               ; preds = %35
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.arm_2d_helper_pfb_t, ptr %37, i32 0, i32 0
  %39 = getelementptr inbounds %struct.anon, ptr %38, i32 0, i32 1
  %40 = getelementptr inbounds %struct.anon.4, ptr %39, i32 0, i32 8
  %41 = load i8, ptr %40, align 1, !tbaa !39
  %42 = add i8 %41, 1
  store i8 %42, ptr %40, align 1, !tbaa !39
  br label %16, !llvm.loop !40

43:                                               ; preds = %20
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.arm_2d_helper_pfb_t, ptr %44, i32 0, i32 0
  %46 = getelementptr inbounds %struct.anon, ptr %45, i32 0, i32 1
  %47 = getelementptr inbounds %struct.anon.4, ptr %46, i32 0, i32 12
  %48 = load i64, ptr %47, align 8, !tbaa !42
  %49 = icmp ne i64 0, %48
  br i1 %49, label %50, label %56

50:                                               ; preds = %43
  %51 = load ptr, ptr %3, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct.arm_2d_helper_pfb_t, ptr %51, i32 0, i32 0
  %53 = getelementptr inbounds %struct.anon, ptr %52, i32 0, i32 1
  %54 = getelementptr inbounds %struct.anon.4, ptr %53, i32 0, i32 12
  %55 = load i64, ptr %54, align 8, !tbaa !42
  call void @arm_2d_port_set_semaphore(i64 noundef %55)
  br label %56

56:                                               ; preds = %50, %43, %14
  ret void
}

declare void @arm_2d_port_set_semaphore(i64 noundef) #3

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 nosync 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 = { "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 #4 = { noreturn nounwind }
attributes #5 = { 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 304}
!12 = !{!"arm_2d_helper_pfb_t", !13, i64 0, !36, i64 344}
!13 = !{!"", !14, i64 0, !26, i64 152}
!14 = !{!"arm_2d_helper_pfb_cfg_t", !15, i64 0, !16, i64 8, !19, i64 32, !20, i64 48}
!15 = !{!"arm_2d_region_t", !7, i64 0, !7, i64 4}
!16 = !{!"", !6, i64 0, !17, i64 8, !10, i64 12, !10, i64 15, !10, i64 16, !10, i64 17, !10, i64 17, !10, i64 17, !10, i64 17, !10, i64 18, !10, i64 19, !10, i64 19}
!17 = !{!"arm_2d_size_t", !18, i64 0, !18, i64 2}
!18 = !{!"short", !7, i64 0}
!19 = !{!"", !6, i64 0, !7, i64 8}
!20 = !{!"arm_2d_helper_pfb_dependency_t", !21, i64 0, !22, i64 16, !23, i64 32, !23, i64 48, !24, i64 64, !25, i64 88}
!21 = !{!"arm_2d_helper_render_evt_t", !6, i64 0, !6, i64 8}
!22 = !{!"arm_2d_helper_draw_evt_t", !6, i64 0, !6, i64 8}
!23 = !{!"arm_2d_evt_t", !6, i64 0, !6, i64 8}
!24 = !{!"", !22, i64 0, !6, i64 16}
!25 = !{!"arm_2d_helper_before_flushing_evt_t", !6, i64 0, !6, i64 8}
!26 = !{!"", !27, i64 0, !15, i64 4, !6, i64 16, !28, i64 24, !32, i64 88, !17, i64 112, !10, i64 116, !7, i64 120, !7, i64 121, !18, i64 122, !33, i64 124, !7, i64 128, !34, i64 136, !6, i64 144, !6, i64 152, !6, i64 160, !35, i64 168, !6, i64 184}
!27 = !{!"arm_2d_location_t", !18, i64 0, !18, i64 2}
!28 = !{!"", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !29, i64 32}
!29 = !{!"arm_2d_region_list_item_t", !6, i64 0, !30, i64 8, !15, i64 16, !31, i64 24}
!30 = !{!"", !6, i64 0}
!31 = !{!"", !7, i64 0, !7, i64 1, !7, i64 1, !18, i64 2, !18, i64 2, !18, i64 2, !18, i64 2}
!32 = !{!"arm_2d_tile_t", !7, i64 0, !7, i64 4, !7, i64 16}
!33 = !{!"", !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 0, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 1, !10, i64 2}
!34 = !{!"long", !7, i64 0}
!35 = !{!"", !6, i64 0, !6, i64 8}
!36 = !{!"", !34, i64 0, !10, i64 8, !10, i64 12}
!37 = !{!38, !6, i64 0}
!38 = !{!"__arm_slist_node_t", !6, i64 0}
!39 = !{!12, !7, i64 273}
!40 = distinct !{!40, !41}
!41 = !{!"llvm.loop.mustprogress"}
!42 = !{!12, !34, i64 288}


; 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: nounwind uwtable
define dso_local void @__arm_2d_helper_pfb_free(ptr nocapture noundef nonnull %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %1, null
  br i1 %3, label %11, label %.preheader

.preheader:                                       ; preds = %2
  %4 = getelementptr inbounds i8, ptr %0, i64 304
  %5 = getelementptr inbounds i8, ptr %0, i64 273
  %.promoted = load i8, ptr %5, align 1, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !35
  store ptr %6, ptr %1, align 8, !tbaa !36
  store ptr %1, ptr %4, align 8, !tbaa !38
  %7 = add i8 %.promoted, 1
  store i8 %7, ptr %5, align 1, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 288
  %9 = load i64, ptr %8, align 8, !tbaa !39
  %.not = icmp eq i64 %9, 0
  br i1 %.not, label %11, label %10

10:                                               ; preds = %.preheader
  tail call void @arm_2d_port_set_semaphore(i64 noundef %9) #2
  br label %11

11:                                               ; preds = %2, %10, %.preheader
  ret void
}

declare void @arm_2d_port_set_semaphore(i64 noundef) local_unnamed_addr #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 = { "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, !10, i64 273}
!6 = !{!"arm_2d_helper_pfb_t", !7, i64 0, !34, i64 344}
!7 = !{!"", !8, i64 0, !24, i64 152}
!8 = !{!"arm_2d_helper_pfb_cfg_t", !9, i64 0, !12, i64 8, !17, i64 32, !18, i64 48}
!9 = !{!"arm_2d_region_t", !10, i64 0, !10, i64 4}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C/C++ TBAA"}
!12 = !{!"", !13, i64 0, !14, i64 8, !16, i64 12, !16, i64 15, !16, i64 16, !16, i64 17, !16, i64 17, !16, i64 17, !16, i64 17, !16, i64 18, !16, i64 19, !16, i64 19}
!13 = !{!"any pointer", !10, i64 0}
!14 = !{!"arm_2d_size_t", !15, i64 0, !15, i64 2}
!15 = !{!"short", !10, i64 0}
!16 = !{!"int", !10, i64 0}
!17 = !{!"", !13, i64 0, !10, i64 8}
!18 = !{!"arm_2d_helper_pfb_dependency_t", !19, i64 0, !20, i64 16, !21, i64 32, !21, i64 48, !22, i64 64, !23, i64 88}
!19 = !{!"arm_2d_helper_render_evt_t", !13, i64 0, !13, i64 8}
!20 = !{!"arm_2d_helper_draw_evt_t", !13, i64 0, !13, i64 8}
!21 = !{!"arm_2d_evt_t", !13, i64 0, !13, i64 8}
!22 = !{!"", !20, i64 0, !13, i64 16}
!23 = !{!"arm_2d_helper_before_flushing_evt_t", !13, i64 0, !13, i64 8}
!24 = !{!"", !25, i64 0, !9, i64 4, !13, i64 16, !26, i64 24, !30, i64 88, !14, i64 112, !16, i64 116, !10, i64 120, !10, i64 121, !15, i64 122, !31, i64 124, !10, i64 128, !32, i64 136, !13, i64 144, !13, i64 152, !13, i64 160, !33, i64 168, !13, i64 184}
!25 = !{!"arm_2d_location_t", !15, i64 0, !15, i64 2}
!26 = !{!"", !13, i64 0, !13, i64 8, !13, i64 16, !13, i64 24, !27, i64 32}
!27 = !{!"arm_2d_region_list_item_t", !13, i64 0, !28, i64 8, !9, i64 16, !29, i64 24}
!28 = !{!"", !13, i64 0}
!29 = !{!"", !10, i64 0, !10, i64 1, !10, i64 1, !15, i64 2, !15, i64 2, !15, i64 2, !15, i64 2}
!30 = !{!"arm_2d_tile_t", !10, i64 0, !10, i64 4, !10, i64 16}
!31 = !{!"", !16, i64 0, !16, i64 0, !16, i64 0, !16, i64 0, !16, i64 0, !16, i64 0, !16, i64 0, !16, i64 0, !16, i64 1, !16, i64 1, !16, i64 1, !16, i64 1, !16, i64 1, !16, i64 1, !16, i64 1, !16, i64 1, !16, i64 2}
!32 = !{!"long", !10, i64 0}
!33 = !{!"", !13, i64 0, !13, i64 8}
!34 = !{!"", !32, i64 0, !16, i64 8, !16, i64 12}
!35 = !{!6, !13, i64 304}
!36 = !{!37, !13, i64 0}
!37 = !{!"__arm_slist_node_t", !13, i64 0}
!38 = !{!13, !13, i64 0}
!39 = !{!6, !32, i64 288}


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