clover: Advertise cl_khr_il_program

v2:
* Change the code to avoid the macro (Karol Herbst, Francisco Jerez);
* Update the code to add a `cl_name_version`.
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Pierre Moreau <dev@pmoreau.org>
Part-of: <mesa/mesa!2078>

src/gallium/frontends/clover/api/platform.cpp

@@ -204,6 +204,9 @@ ext_funcs = {
 
    // cl_khr_icd
    { "clIcdGetPlatformIDsKHR", reinterpret_cast<void *>(IcdGetPlatformIDsKHR) },
+
+   // cl_khr_il_program
+   { "clCreateProgramWithILKHR", reinterpret_cast<void *>(CreateProgramWithILKHR) },
 };
 
 } // anonymous namespace

src/gallium/frontends/clover/core/device.cpp

@@ -367,6 +367,9 @@ device::supported_extensions() const {
       vec.push_back( cl_name_version{ CL_MAKE_VERSION(1, 0, 0), "cl_khr_fp16" } );
    if (svm_support())
       vec.push_back( cl_name_version{ CL_MAKE_VERSION(1, 0, 0), "cl_arm_shared_virtual_memory" } );
+   if (!clover::spirv::supported_versions().empty() &&
+       supports_ir(PIPE_SHADER_IR_NIR_SERIALIZED))
+      vec.push_back( cl_name_version{ CL_MAKE_VERSION(1, 0, 0), "cl_khr_il_program" } );
    return vec;
 }