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//TEST:SIMPLE(filecheck=CHK): -target spirv -entry computeMain
// Both out and inout parameters
// should have this treated as writes
void out_test(int tmp, out int x)
{
x = tmp;
}
// Permuting arguments to ensure that
// the correct argument is checked
void inout_test(inout int x, int tmp)
{
x = tmp;
}
// __ref parameters should also be fine
void ref_test(__ref int x, int tmp)
{
x = tmp;
}
void undefined_function_use()
{
int x;
int tmp = 1;
//CHK-DAG: warning 41016: use of uninitialized variable 'x'
out_test(x, tmp);
//CHK-DAG: warning 41016: use of uninitialized variable 'x'
inout_test(tmp, x);
}
void out_function_use()
{
int x;
int tmp = 1;
// Acts as a write
out_test(tmp, x);
// Rest are fine now
out_test(x, tmp);
inout_test(tmp, x);
}
void inout_function_use()
{
int x;
int tmp = 1;
// Acts as a write
inout_test(x, tmp);
// Rest are fine now
out_test(x, tmp);
inout_test(tmp, x);
}
void ref_function_use()
{
int x;
int tmp = 1;
// Acts as a write
ref_test(x, tmp);
// Rest are fine now
out_test(x, tmp);
inout_test(tmp, x);
}
// Likewise for generic functions
static int ord_gen_result;
__generic<T>
void ordinary_generic(T x)
{
ord_gen_result = __slang_noop_cast<int, T>(x);
}
__generic<T>
void unordinary_generic(out T x)
{
x = __slang_noop_cast<T, int>(1);
}
void undefined_generic_use()
{
int x;
//CHK-DAG: warning 41016: use of uninitialized variable 'x'
ordinary_generic(x);
}
void ok_generic_use()
{
int x;
unordinary_generic(x);
ordinary_generic(x);
}
// Check proper handling of aliases passed
void f()
{
int3 dim;
// Should have no warnings
out_test(1, dim.x);
}
//CHK-NOT: warning 41016
[Shader("compute")]
[NumThreads(4, 1, 1)]
void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
{
}
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