llvm-project/offload/test/mapping/lambda_by_value.cpp
Nick Sarnie 78ff5b55fd
[offload][lit] Enable/disable tests on Level Zero when using DeviceRTL (#182128)
Since we can now build the DeviceRTL with SPIR-V, redo the
`XFAIL/UNSUPPORTED` specifications for the tests we see passing/failing
on the Level Zero backend with the DeviceRTL being used.

The tests marked `UNSUPPORTED` hang or sporadically fail and those are
tracked in https://github.com/llvm/llvm-project/issues/182119.

This change will allow us to enable CI testing with the DeviceRTL.

Here are the full test results with this change applied, running only
the `spirv64-intel` `check-offload` tests:

```
Total Discovered Tests: 453
  Unsupported      : 206 (45.47%)
  Passed           : 141 (31.13%)
  Expectedly Failed: 106 (23.40%)
```

31% is not a bad start.

---------

Signed-off-by: Nick Sarnie <nick.sarnie@intel.com>
2026-02-18 21:53:19 +00:00

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// RUN: %libomptarget-compileopt-generic -fno-exceptions
// RUN: %libomptarget-run-generic 2>&1 | %fcheck-generic
// https://github.com/llvm/llvm-project/issues/182119
// UNSUPPORTED: intelgpu
#include <stdint.h>
#include <stdio.h>
// CHECK: before: [[V1:111]] [[V2:222]] [[PX:0x[^ ]+]] [[PY:0x[^ ]+]]
// CHECK: lambda: [[V1]] [[V2]] [[PX_TGT:0x[^ ]+]] 0x{{.*}}
// CHECK: tgt : [[V2]] [[PX_TGT]] 1
// CHECK: out : [[V2]] [[V2]] [[PX]] [[PY]]
#pragma omp begin declare target
int a = -1, *c;
long b = -1;
const long *d;
int e = -1, *f, g = -1;
#pragma omp end declare target
int main() {
int x[10];
long y[8];
x[1] = 111;
y[1] = 222;
auto lambda = [&x, y]() {
a = x[1];
b = y[1];
c = &x[0];
d = &y[0];
printf("lambda: %d %ld %p %p\n", x[1], y[1], &x[0], &y[0]);
x[1] = y[1];
};
printf("before: %d %ld %p %p\n", x[1], y[1], &x[0], &y[0]);
intptr_t xp = (intptr_t)&x[0];
#pragma omp target firstprivate(xp)
{
lambda();
e = x[1];
f = &x[0];
g = (&x[0] != (int *)xp);
printf("tgt : %d %p %d\n", x[1], &x[0], (&x[0] != (int *)xp));
}
#pragma omp target update from(a, b, c, d, e, f, g)
printf("lambda: %d %ld %p %p\n", a, b, c, d);
printf("tgt : %d %p %d\n", e, f, g);
printf("out : %d %ld %p %p\n", x[1], y[1], &x[0], &y[0]);
return 0;
}