; LLVM IR from stfc/PSycloneBench :: benchmarks/nemo/nemolite2d/manual_versions/psykal_c_opencl (time_step)

; 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"

@command_queue = external dso_local global [1 x ptr], align 8
@.str.26 = external hidden unnamed_addr constant [20 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

declare void @check_status(ptr noundef, i32 noundef) #1

; 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 void @c_read_from_device(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5, i1 noundef zeroext %6) #2 {
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i8, align 1
  %15 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store ptr %1, ptr %9, align 8, !tbaa !5
  store i32 %2, ptr %10, align 4, !tbaa !9
  store i32 %3, ptr %11, align 4, !tbaa !9
  store i32 %4, ptr %12, align 4, !tbaa !9
  store i32 %5, ptr %13, align 4, !tbaa !9
  %16 = zext i1 %6 to i8
  store i8 %16, ptr %14, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  %17 = load i32, ptr %12, align 4, !tbaa !9
  %18 = load i32, ptr %13, align 4, !tbaa !9
  %19 = mul nsw i32 %17, %18
  %20 = sext i32 %19 to i64
  %21 = mul i64 %20, 8
  %22 = trunc i64 %21 to i32
  store i32 %22, ptr %15, align 4, !tbaa !9
  %23 = load ptr, ptr @command_queue, align 8, !tbaa !5
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = load i32, ptr %15, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = load ptr, ptr %9, align 8, !tbaa !5
  %28 = call i32 @clEnqueueReadBuffer(ptr noundef %23, ptr noundef %24, i32 noundef 1, i64 noundef 0, i64 noundef %26, ptr noundef %27, i32 noundef 0, ptr noundef null, ptr noundef null)
  call void @check_status(ptr noundef @.str.26, i32 noundef %28)
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  ret void
}

declare i32 @clEnqueueReadBuffer(ptr noundef, ptr noundef, i32 noundef, i64 noundef, i64 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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, !12, i64 0}
!12 = !{!"_Bool", !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"

@command_queue = external dso_local local_unnamed_addr global [1 x ptr], align 8
@.str.26 = external hidden unnamed_addr constant [20 x i8], align 1

declare void @check_status(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @c_read_from_device(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5, i1 noundef zeroext %6) local_unnamed_addr #1 {
  %8 = shl i32 %4, 3
  %9 = mul i32 %8, %5
  %10 = load ptr, ptr @command_queue, align 8, !tbaa !5
  %11 = sext i32 %9 to i64
  %12 = tail call i32 @clEnqueueReadBuffer(ptr noundef %10, ptr noundef %0, i32 noundef 1, i64 noundef 0, i64 noundef %11, ptr noundef %1, i32 noundef 0, ptr noundef null, ptr noundef null) #2
  tail call void @check_status(ptr noundef nonnull @.str.26, i32 noundef %12) #2
  ret void
}

declare i32 @clEnqueueReadBuffer(ptr noundef, ptr noundef, i32 noundef, i64 noundef, i64 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

attributes #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 = { 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 = { 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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,TailCallElimPass