; LLVM IR from bjourne/fast_snn_fpga :: src (opencl)

; 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"

; 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: nounwind uwtable
define dso_local i32 @ocl_create_and_write_buffer(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5) #1 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i64, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i64 %1, ptr %9, align 8, !tbaa !9
  store ptr %2, ptr %10, align 8, !tbaa !5
  store ptr %3, ptr %11, align 8, !tbaa !5
  store i64 %4, ptr %12, align 8, !tbaa !9
  store ptr %5, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  %17 = load i64, ptr %9, align 8, !tbaa !9
  %18 = load i64, ptr %12, align 8, !tbaa !9
  %19 = call ptr @clCreateBuffer(ptr noundef %16, i64 noundef %17, i64 noundef %18, ptr noundef null, ptr noundef %14)
  %20 = load ptr, ptr %13, align 8, !tbaa !5
  store ptr %19, ptr %20, align 8, !tbaa !5
  %21 = load i32, ptr %14, align 4, !tbaa !11
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %25

23:                                               ; preds = %6
  %24 = load i32, ptr %14, align 4, !tbaa !11
  store i32 %24, ptr %7, align 4
  store i32 1, ptr %15, align 4
  br label %40

25:                                               ; preds = %6
  %26 = load ptr, ptr %10, align 8, !tbaa !5
  %27 = load ptr, ptr %11, align 8, !tbaa !5
  %28 = load i64, ptr %12, align 8, !tbaa !9
  %29 = load ptr, ptr %13, align 8, !tbaa !5
  %30 = load ptr, ptr %29, align 8, !tbaa !5
  %31 = call i32 @ocl_write_buffer(ptr noundef %26, ptr noundef %27, i64 noundef %28, ptr noundef %30)
  store i32 %31, ptr %14, align 4, !tbaa !11
  %32 = load i32, ptr %14, align 4, !tbaa !11
  %33 = icmp ne i32 %32, 0
  br i1 %33, label %34, label %38

34:                                               ; preds = %25
  %35 = load ptr, ptr %13, align 8, !tbaa !5
  %36 = load ptr, ptr %35, align 8, !tbaa !5
  %37 = call i32 @clReleaseMemObject(ptr noundef %36)
  br label %38

38:                                               ; preds = %34, %25
  %39 = load i32, ptr %14, align 4, !tbaa !11
  store i32 %39, ptr %7, align 4
  store i32 1, ptr %15, align 4
  br label %40

40:                                               ; preds = %38, %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  %41 = load i32, ptr %7, align 4
  ret i32 %41
}

declare ptr @clCreateBuffer(ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @ocl_write_buffer(ptr noundef, ptr noundef, i64 noundef, ptr noundef) #1

declare i32 @clReleaseMemObject(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = { 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @ocl_create_and_write_buffer(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3, i64 noundef %4, ptr nocapture noundef %5) local_unnamed_addr #1 {
  %7 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  %8 = call ptr @clCreateBuffer(ptr noundef %0, i64 noundef %1, i64 noundef %4, ptr noundef null, ptr noundef nonnull %7) #3
  store ptr %8, ptr %5, align 8, !tbaa !5
  %9 = load i32, ptr %7, align 4, !tbaa !9
  %.not = icmp eq i32 %9, 0
  br i1 %.not, label %10, label %15

10:                                               ; preds = %6
  %11 = call i32 @ocl_write_buffer(ptr noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %8)
  store i32 %11, ptr %7, align 4, !tbaa !9
  %.not10 = icmp eq i32 %11, 0
  br i1 %.not10, label %15, label %12

12:                                               ; preds = %10
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = call i32 @clReleaseMemObject(ptr noundef %13) #3
  %.pre = load i32, ptr %7, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %10, %12, %6
  %.0 = phi i32 [ %9, %6 ], [ %.pre, %12 ], [ 0, %10 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  ret i32 %.0
}

declare ptr @clCreateBuffer(ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @ocl_write_buffer(ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #1

declare i32 @clReleaseMemObject(ptr noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = { 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}


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