Remove LIT_SITE_CFG_IN_FOOTER, llvm

It's always replaced with the same (short) static string, so just put that
there directly.

No intended behavior change.
https://reviews.llvm.org/D51357

llvm-svn: 341135

llvm/cmake/modules/AddLLVM.cmake

@@ -1255,10 +1255,6 @@ function(configure_lit_site_cfg site_in site_out)
     set(TARGET_TRIPLE "\"+config.target_triple+\"")
   endif()
 
-  string(CONCAT LIT_SITE_CFG_IN_FOOTER
-     "import lit.llvm\n"
-     "lit.llvm.initialize(lit_config, config)\n")
-
   configure_file(${site_in} ${site_out} @ONLY)
   if (EXISTS "${ARG_MAIN_CONFIG}")
     set(PYTHON_STATEMENT "map_config('${ARG_MAIN_CONFIG}', '${site_out}')")

llvm/test/lit.site.cfg.py.in

@@ -54,7 +54,8 @@ except KeyError:
     key, = e.args
     lit_config.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key,key))
 
-@LIT_SITE_CFG_IN_FOOTER@
+import lit
+lit.llvm.initialize(lit_config, config)
 
 # Let the main config do the real work.
 lit_config.load_config(config, "@LLVM_SOURCE_DIR@/test/lit.cfg.py")