[libclc] Give built bytecode objects a .bc extension. NFC

Author: frasercrmck

libclc/CMakeLists.txt

@@ -326,7 +326,7 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
  # Generated files are given just as file names, which we must make
  # absolute to the binary directory.
  set( input_file ${CMAKE_CURRENT_BINARY_DIR}/${file} )
- set( output_file "${LIBCLC_ARCH_OBJFILE_DIR}/${file}.o" )
+ set( output_file "${LIBCLC_ARCH_OBJFILE_DIR}/${file}.bc" )
  else()
  # Other files are originally relative to each SOURCE file, which are
  # then make relative to the libclc root directory. We must normalize
@@ -336,7 +336,7 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
  get_filename_component( abs_path ${file} ABSOLUTE BASE_DIR ${PROJECT_SOURCE_DIR} )
  file( RELATIVE_PATH root_rel_path ${PROJECT_SOURCE_DIR} ${abs_path} )
  set( input_file ${PROJECT_SOURCE_DIR}/${file} )
- set( output_file "${LIBCLC_ARCH_OBJFILE_DIR}/${root_rel_path}.o" )
+ set( output_file "${LIBCLC_ARCH_OBJFILE_DIR}/${root_rel_path}.bc" )
  endif()
 
  get_filename_component( file_dir ${file} DIRECTORY )