Set default target architectures for ASAN build (#426)

Device-side address sanitizer instrumentation requires xnack+.
Set the default target GPU architectures to those that provide xnack.

CMakeLists.txt

@@ -54,9 +54,17 @@ endif()
 set_property(CACHE GPU_TARGETS PROPERTY STRINGS "all")
 
 if(GPU_TARGETS STREQUAL "all")
-  rocm_check_target_ids(DEFAULT_AMDGPU_TARGETS
-    TARGETS "gfx803;gfx900:xnack-;gfx906:xnack-;gfx908:xnack-;gfx90a:xnack-;gfx90a:xnack+;gfx940;gfx941;gfx942;gfx1030;gfx1100;gfx1101;gfx1102"
-  )
+  if(BUILD_ADDRESS_SANITIZER)
+    # ASAN builds require xnack
+    rocm_check_target_ids(DEFAULT_AMDGPU_TARGETS
+      TARGETS "gfx908:xnack+;gfx90a:xnack+;gfx940:xnack+;gfx941:xnack+;gfx942:xnack+"
+    )
+  else()
+    rocm_check_target_ids(DEFAULT_AMDGPU_TARGETS
+      TARGETS "gfx803;gfx900:xnack-;gfx906:xnack-;gfx908:xnack-;gfx90a:xnack-;gfx90a:xnack+;gfx940;gfx941;gfx942;gfx1030;gfx1100;gfx1101;gfx1102"
+    )
+  endif()
+
   set(GPU_TARGETS "${DEFAULT_AMDGPU_TARGETS}" CACHE STRING "GPU architectures to compile for" FORCE)
 endif()