void f(int i, float f) {
#pragma acc kernels num_gangs
  ;
#pragma acc kernels num_workers
  ;
#pragma acc kernels vector_length
  ;
#pragma acc parallel num_gangs
  ;
#pragma acc parallel num_workers
  ;
#pragma acc parallel vector_length
  ;
#pragma acc kernels num_gangs(
  ;
#pragma acc kernels num_workers(
  ;
#pragma acc kernels vector_length(
  ;
#pragma acc parallel num_gangs(
  ;
#pragma acc parallel num_workers(
  ;
#pragma acc parallel vector_length(
  ;
#pragma acc kernels num_gangs()
  ;
#pragma acc kernels num_workers()
  ;
#pragma acc kernels vector_length()
  ;
#pragma acc parallel num_gangs()
  ;
#pragma acc parallel num_workers()
  ;
#pragma acc parallel vector_length()
  ;
#pragma acc kernels num_gangs(1
  ;
#pragma acc kernels num_workers(1
  ;
#pragma acc kernels vector_length(1
  ;
#pragma acc parallel num_gangs(1
  ;
#pragma acc parallel num_workers(1
  ;
#pragma acc parallel vector_length(1
  ;
#pragma acc kernels num_gangs(i
  ;
#pragma acc kernels num_workers(i
  ;
#pragma acc kernels vector_length(i
  ;
#pragma acc parallel num_gangs(i
  ;
#pragma acc parallel num_workers(i
  ;
#pragma acc parallel vector_length(i
  ;
#pragma acc kernels num_gangs(1 i
  ;
#pragma acc kernels num_workers(1 i
  ;
#pragma acc kernels vector_length(1 i
  ;
#pragma acc parallel num_gangs(1 i
  ;
#pragma acc parallel num_workers(1 i
  ;
#pragma acc parallel vector_length(1 i
  ;
#pragma acc kernels num_gangs(1 i)
  ;
#pragma acc kernels num_workers(1 i)
  ;
#pragma acc kernels vector_length(1 i)
  ;
#pragma acc parallel num_gangs(1 i)
  ;
#pragma acc parallel num_workers(1 i)
  ;
#pragma acc parallel vector_length(1 i)
  ;
#pragma acc kernels num_gangs(1, i
  ;
#pragma acc kernels num_workers(1, i
  ;
#pragma acc kernels vector_length(1, i
  ;
#pragma acc parallel num_gangs(1, i
  ;
#pragma acc parallel num_workers(1, i
  ;
#pragma acc parallel vector_length(1, i
  ;
#pragma acc kernels num_gangs(1, i)
  ;
#pragma acc kernels num_workers(1, i)
  ;
#pragma acc kernels vector_length(1, i)
  ;
#pragma acc parallel num_gangs(1, i)
  ;
#pragma acc parallel num_workers(1, i)
  ;
#pragma acc parallel vector_length(1, i)
  ;
#pragma acc kernels num_gangs(num_gangs_k)
  ;
#pragma acc kernels num_workers(num_workers_k)
  ;
#pragma acc kernels vector_length(vector_length_k)
  ;
#pragma acc parallel num_gangs(num_gangs_p)
  ;
#pragma acc parallel num_workers(num_workers_p)
  ;
#pragma acc parallel vector_length(vector_length_p)
  ;
#pragma acc kernels num_gangs(f)
  ;
#pragma acc kernels num_workers(f)
  ;
#pragma acc kernels vector_length(f)
  ;
#pragma acc parallel num_gangs(f)
  ;
#pragma acc parallel num_workers(f)
  ;
#pragma acc parallel vector_length(f)
  ;
#pragma acc kernels num_gangs((float)1)
  ;
#pragma acc kernels num_workers((float)1)
  ;
#pragma acc kernels vector_length((float)1)
  ;
#pragma acc parallel num_gangs((float)1)
  ;
#pragma acc parallel num_workers((float)1)
  ;
#pragma acc parallel vector_length((float)1)
  ;
#pragma acc kernels num_gangs(0)
  ;
#pragma acc kernels num_workers(0)
  ;
#pragma acc kernels vector_length(0)
  ;
#pragma acc parallel num_gangs(0)
  ;
#pragma acc parallel num_workers(0)
  ;
#pragma acc parallel vector_length(0)
  ;
#pragma acc kernels num_gangs((int)-1.2)
  ;
#pragma acc kernels num_workers((int)-1.2)
  ;
#pragma acc kernels vector_length((int)-1.2)
  ;
#pragma acc parallel num_gangs((int)-1.2)
  ;
#pragma acc parallel num_workers((int)-1.2)
  ;
#pragma acc parallel vector_length((int)-1.2)
  ;
#pragma acc kernels num_gangs(1) num_workers(1) vector_length(1)               \
    num_workers(1) vector_length(1) num_gangs(1)
  ;
#pragma acc parallel num_gangs(1) num_workers(1) vector_length(1)              \
    num_workers(1) vector_length(1) num_gangs(1)
  ;
#pragma acc kernels num_gangs(-1) num_workers() vector_length(abc_k)           \
    num_workers(0.5) vector_length(&f) num_gangs(
  ;
#pragma acc parallel num_gangs(-1) num_workers() vector_length(abc_p)          \
    num_workers(0.5) vector_length(&f) num_gangs(
  ;
#pragma acc serial num_gangs(1)
  ;
#pragma acc serial num_workers(1)
  ;
#pragma acc serial vector_length(1)
  ;
}


x86 assembly (clang, -O0):
<f>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0x4(%rbp)
movss  %xmm0,-0x8(%rbp)
pop    %rbp
ret

x86 assembly (clang, -O2):
<f>:
ret

LLVM IR (-O0):
define void @f(i32 %0, float %1) {
%3 = alloca i32
%4 = alloca float
store i32 %0, i32* %3
store float %1, float* %4
ret void
}

LLVM IR (-O2):
define void @f(i32 %0, float %1) {
ret void
}