Introducing plugable register allocators and instruction schedulers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29434 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/LinkAllPasses.h

@@ -110,7 +110,7 @@ namespace {
       (void) llvm::createRSProfilingPass();
       (void) llvm::createIndMemRemPass();
     }
-  } ForcePassLinking;
+  } ForcePassLinking; // Force link by creating a global definition.
 }
 
 #endif