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

; 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 }

@.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_policy = external hidden unnamed_addr constant [62 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 void @arm_2d_helper_pfb_policy(ptr noundef nonnull %0, i8 noundef zeroext %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i8 %1, ptr %4, align 1, !tbaa !9
  %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 364, ptr noundef @__PRETTY_FUNCTION__.arm_2d_helper_pfb_policy) #2
  unreachable

9:                                                ; preds = %7
  %10 = load i8, ptr %4, align 1, !tbaa !9
  %11 = zext i8 %10 to i32
  %12 = and i32 %11, 1
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.arm_2d_helper_pfb_t, ptr %13, i32 0, i32 0
  %15 = getelementptr inbounds %struct.anon, ptr %14, i32 0, i32 1
  %16 = getelementptr inbounds %struct.anon.4, ptr %15, i32 0, i32 10
  %17 = load i32, ptr %16, align 4
  %18 = and i32 %12, 1
  %19 = shl i32 %18, 16
  %20 = and i32 %17, -65537
  %21 = or i32 %20, %19
  store i32 %21, ptr %16, align 4
  ret void
}

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 = !{!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 void @arm_2d_helper_pfb_policy(ptr nocapture noundef nonnull %0, i8 noundef zeroext %1) local_unnamed_addr #0 {
  %3 = and i8 %1, 1
  %4 = zext nneg i8 %3 to i32
  %5 = getelementptr inbounds i8, ptr %0, i64 276
  %6 = load i32, ptr %5, align 4
  %7 = shl nuw nsw i32 %4, 16
  %8 = and i32 %6, -65537
  %9 = or disjoint i32 %8, %7
  store i32 %9, ptr %5, align 4
  ret void
}

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,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass