; LLVM IR from ARM-software/Arm-2D :: Helper/Source (arm_2d_helper)

; 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_film_t = type { %union.anon.16, i16, i16, i16, i16 }
%union.anon.16 = type { %struct.arm_2d_tile_t }
%struct.arm_2d_tile_t = type { %union.anon.2, %union.anon.13, %union.anon.14 }
%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, %union.anon.1 }
%union.anon = type { %struct.arm_2d_location_t }
%struct.arm_2d_location_t = type { i16, i16 }
%union.anon.1 = type { %struct.arm_2d_size_t }
%struct.arm_2d_size_t = type { i16, i16 }
%union.anon.14 = type { ptr }

@.str.1 = external hidden unnamed_addr constant [83 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [15 x i8], align 1
@__PRETTY_FUNCTION__.arm_2d_helper_film_reset = external hidden unnamed_addr constant [54 x i8], align 1

; 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

; Function Attrs: nounwind uwtable
define dso_local void @arm_2d_helper_film_reset(ptr noundef nonnull %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = icmp ne ptr null, %4
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  br label %8

7:                                                ; preds = %1
  call void @__assert_fail(ptr noundef @.str.4, ptr noundef @.str.1, i32 noundef 680, ptr noundef @__PRETTY_FUNCTION__.arm_2d_helper_film_reset) #3
  unreachable

8:                                                ; preds = %6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.arm_2d_helper_film_t, ptr %9, i32 0, i32 0
  store ptr %10, ptr %3, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.arm_2d_tile_t, ptr %11, i32 0, i32 1
  %13 = getelementptr inbounds %struct.arm_2d_region_t, ptr %12, i32 0, i32 0
  %14 = getelementptr inbounds %struct.arm_2d_location_t, ptr %13, i32 0, i32 0
  store i16 0, ptr %14, align 4, !tbaa !9
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.arm_2d_tile_t, ptr %15, i32 0, i32 1
  %17 = getelementptr inbounds %struct.arm_2d_region_t, ptr %16, i32 0, i32 0
  %18 = getelementptr inbounds %struct.arm_2d_location_t, ptr %17, i32 0, i32 1
  store i16 0, ptr %18, align 2, !tbaa !9
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.arm_2d_helper_film_t, ptr %19, i32 0, i32 4
  store i16 0, ptr %20, align 2, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret void
}

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 = { 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 }
attributes #4 = { 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, !12, i64 30}
!11 = !{!"arm_2d_helper_film_t", !7, i64 0, !12, i64 24, !12, i64 26, !12, i64 28, !12, i64 30}
!12 = !{!"short", !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: write) uwtable
define dso_local void @arm_2d_helper_film_reset(ptr nocapture noundef nonnull writeonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 4
  store i16 0, ptr %2, align 4, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 6
  store i16 0, ptr %3, align 2, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 30
  store i16 0, ptr %4, align 2, !tbaa !8
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 30}
!9 = !{!"arm_2d_helper_film_t", !6, i64 0, !10, i64 24, !10, i64 26, !10, i64 28, !10, i64 30}
!10 = !{!"short", !6, i64 0}


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