; LLVM IR from ChenyangZhang-cs/iMLBench :: KNN/co-run&zero-copy/clutils.ll (Z18cl_copyImageToHostPvP7_cl_memmm)

; 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"

@_ZL12commandQueue = external hidden global ptr, align 8
@.str.27 = external hidden unnamed_addr constant [14 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: mustprogress uwtable
declare dso_local noundef i32 @_Z9cl_errChkiPKcb(i32 noundef, ptr noundef, i1 noundef zeroext) #1

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z18cl_copyImageToHostPvP7_cl_memmm(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca [3 x i64], align 16
  %11 = alloca [3 x i64], align 16
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  store i64 %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #4
  call void @llvm.memset.p0.i64(ptr align 16 %10, i8 0, i64 24, i1 false)
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #4
  %12 = load i64, ptr %8, align 8, !tbaa !9
  store i64 %12, ptr %11, align 8, !tbaa !9
  %13 = getelementptr inbounds i64, ptr %11, i64 1
  %14 = load i64, ptr %7, align 8, !tbaa !9
  store i64 %14, ptr %13, align 8, !tbaa !9
  %15 = getelementptr inbounds i64, ptr %11, i64 2
  store i64 1, ptr %15, align 8, !tbaa !9
  %16 = load ptr, ptr @_ZL12commandQueue, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = getelementptr inbounds [3 x i64], ptr %10, i64 0, i64 0
  %19 = getelementptr inbounds [3 x i64], ptr %11, i64 0, i64 0
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call i32 @clEnqueueReadImage(ptr noundef %16, ptr noundef %17, i32 noundef 1, ptr noundef %18, ptr noundef %19, i64 noundef 0, i64 noundef 0, ptr noundef %20, i32 noundef 0, ptr noundef null, ptr noundef null)
  store i32 %21, ptr %9, align 4, !tbaa !11
  %22 = load i32, ptr %9, align 4, !tbaa !11
  %23 = call noundef i32 @_Z9cl_errChkiPKcb(i32 noundef %22, ptr noundef @.str.27, i1 noundef zeroext true)
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  ret void
}

declare i32 @clEnqueueReadImage(ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef, i64 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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++ 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"

@_ZL12commandQueue = external hidden local_unnamed_addr global ptr, align 8
@.str.27 = external hidden unnamed_addr constant [14 x i8], align 1

; 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 uwtable
declare dso_local noundef i32 @_Z9cl_errChkiPKcb(i32 noundef, ptr noundef, i1 noundef zeroext) local_unnamed_addr #1

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

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z18cl_copyImageToHostPvP7_cl_memmm(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3) local_unnamed_addr #1 {
  %5 = alloca [3 x i64], align 16
  %6 = alloca [3 x i64], align 16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(24) %5, i8 0, i64 24, i1 false)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #4
  store i64 %3, ptr %6, align 16, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 8
  store i64 %2, ptr %7, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %6, i64 16
  store i64 1, ptr %8, align 16, !tbaa !5
  %9 = load ptr, ptr @_ZL12commandQueue, align 8, !tbaa !9
  %10 = call i32 @clEnqueueReadImage(ptr noundef %9, ptr noundef %1, i32 noundef 1, ptr noundef nonnull %5, ptr noundef nonnull %6, i64 noundef 0, i64 noundef 0, ptr noundef %0, i32 noundef 0, ptr noundef null, ptr noundef null)
  %11 = call noundef i32 @_Z9cl_errChkiPKcb(i32 noundef %10, ptr noundef nonnull @.str.27, i1 noundef zeroext true)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  ret void
}

declare i32 @clEnqueueReadImage(ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef, i64 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass