Fix compile warnings

Removing unused variables

Change-Id: I3a9811e40c9bc735d13a0330b2015576ed112026
Signed-off-by: David Yat Sin <David.YatSin@amd.com>

runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp

@@ -2867,7 +2867,6 @@ hsa_status_t GpuAgent::PcSamplingFlushHostTrapDeviceBuffers(
   size_t const buf_offset = offsetof(pcs_hosttrap_sampling_data_t, reserved1) +
       sizeof(((pcs_hosttrap_sampling_data_t*)0)->reserved1);
 
-  hsa_signal_t done_sig[] = {ht_data.device_data->done_sig0, ht_data.device_data->done_sig1};
   uint8_t* buffer[] = {(uint8_t*)ht_data.device_data + buf_offset,
                        (uint8_t*)ht_data.device_data + buf_offset +
                            ht_data.device_data->buf_size * session.sample_size()};
@@ -3037,17 +3036,10 @@ void GpuAgent::PcSamplingThread() {
   pcs::PcsRuntime::PcSamplingSession& session = *ht_data.session;
   uint32_t& which_buffer = ht_data.which_buffer;
 
-  hsa_status_t ret = HSA_STATUS_SUCCESS;
   uint8_t* host_buffer_begin = ht_data.host_buffer;
   uint8_t* host_buffer_end = ht_data.host_buffer + ht_data.host_buffer_size;
 
-  size_t const buf_offset = offsetof(pcs_hosttrap_sampling_data_t, reserved1) +
-      sizeof(((pcs_hosttrap_sampling_data_t*)0)->reserved1);
-
   hsa_signal_t done_sig[] = {ht_data.device_data->done_sig0, ht_data.device_data->done_sig1};
-  uint8_t* buffer[] = {(uint8_t*)ht_data.device_data + buf_offset,
-                       (uint8_t*)ht_data.device_data + buf_offset +
-                           ht_data.device_data->buf_size * session.sample_size()};
 
   while (ht_data.session->isActive()) {
     do {

runtime/hsa-runtime/core/runtime/runtime.cpp

@@ -3269,7 +3269,6 @@ hsa_status_t Runtime::MappedHandleAllowedAgent::RemoveAccess() {
 hsa_status_t Runtime::VMemorySetAccess(void* va, size_t size,
                                        const hsa_amd_memory_access_desc_t* desc,
                                        const size_t desc_cnt) {
-  int nodesCnt = 0;
   std::list<std::pair<void*, MappedHandle*>> mappedHandles;
   bool reservedAddressFound = false;