Fix compile warnings and remove unused variables

Change-Id: I7acaee5e9cf218b358ffaf0e3af6067faf6f3d2a

runtime/hsa-runtime/image/image_manager_nv.cpp

@@ -187,7 +187,10 @@ hsa_status_t ImageManagerNv::CalculateImageSizeAndAlignment(
     hsa_ext_image_data_info_t& image_info) const {
   ADDR2_COMPUTE_SURFACE_INFO_OUTPUT out = {0};
   hsa_profile_t profile;
+
   hsa_status_t status = HSA::hsa_agent_get_info(component, HSA_AGENT_INFO_PROFILE, &profile);
+  if (status != HSA_STATUS_SUCCESS) return status;
+
   Image::TileMode tileMode = Image::TileMode::LINEAR;
   if (image_data_layout == HSA_EXT_IMAGE_DATA_LAYOUT_OPAQUE) {
     tileMode = (profile == HSA_PROFILE_BASE &&
@@ -226,7 +229,6 @@ hsa_status_t ImageManagerNv::PopulateImageSrd(Image& image,
                                      const metadata_amd_t* descriptor) const {
   const metadata_amd_nv_t* desc =
                        reinterpret_cast<const metadata_amd_nv_t*>(descriptor);
-  bool atc_access = true;
   const void* image_data_addr = image.data;
 
   ImageProperty image_prop = ImageLut().MapFormat(image.desc.format, image.desc.geometry);
@@ -237,7 +239,6 @@ hsa_status_t ImageManagerNv::PopulateImageSrd(Image& image,
   const Swizzle swizzle = ImageLut().MapSwizzle(image.desc.format.channel_order);
 
   if (IsLocalMemory(image.data)) {
-    atc_access = false;
     image_data_addr = reinterpret_cast<const void*>(
         reinterpret_cast<uintptr_t>(image.data) - local_memory_base_address_);
   }
@@ -254,7 +255,6 @@ hsa_status_t ImageManagerNv::PopulateImageSrd(Image& image,
   if (image.desc.geometry == HSA_EXT_IMAGE_GEOMETRY_1DB) {
     SQ_BUF_RSRC_WORD0 word0;
     SQ_BUF_RSRC_WORD1 word1;
-    SQ_BUF_RSRC_WORD2 word2;
     SQ_BUF_RSRC_WORD3 word3;
 
     word0.val = 0;
@@ -377,11 +377,9 @@ hsa_status_t ImageManagerNv::PopulateImageSrd(Image& image) const {
   assert(image_prop.cap != HSA_EXT_IMAGE_CAPABILITY_NOT_SUPPORTED);
   assert(image_prop.element_size != 0);
 
-  bool atc_access = true;
   const void* image_data_addr = image.data;
 
   if (IsLocalMemory(image.data)) {
-    atc_access = false;
     image_data_addr = reinterpret_cast<const void*>(
         reinterpret_cast<uintptr_t>(image.data) - local_memory_base_address_);
   }