TheRock/compiler/amd-llvm/amd/device-libs/test/compile/native_rcp.cl

#pragma OPENCL EXTENSION cl_khr_fp16 : enable

// FIXME: OpenCL's native_recip doesn't seem wired up to the ocml
// functions for f16/f64

half __ocml_native_rcp_f16(half);

// GCN: {{^}}test_native_recip_f16:
// GFX600: v_rcp_f32
// GFX700: v_rcp_f32


// GFX803: {{(flat|global|buffer)}}_load_{{(ushort|b16)}} [[VAL:v[0-9+]]],
// GFX803-NOT: [[VAL]]
// GFX803: v_rcp_f16{{(_e32)?}} [[RESULT:v[0-9]+]], [[VAL]]
// GFX803-NOT: [[RESULT]]
// GFX803: [[RESULT]]
// GFX803-NOT: [[RESULT]]
kernel void test_native_recip_f16(global half* restrict out, global half* restrict in) {
    int id = get_local_id(0);
    out[id] = __ocml_native_rcp_f16(in[id]);
}

// GCN: {{^}}test_native_recip_f32:
// GCN: {{(flat|global|buffer)}}_load_{{(dword|b32)}} [[VAL:v[0-9+]]],
// GCN-NOT: [[VAL]]
// GCN: v_rcp_f32{{(_e32)?}} [[RESULT:v[0-9]+]], [[VAL]]
// GCN-NOT: [[RESULT]]
// GCN: [[RESULT]]
// GCN-NOT: [[RESULT]]
kernel void test_native_recip_f32(global float* restrict out, global float* restrict in) {
    int id = get_local_id(0);
    out[id] = native_recip(in[id]);
}