'Pass' should now not be derived from by clients. Instead, they should derive

from ModulePass.  Instead of implementing Pass::run, then should implement
ModulePass::runOnModule.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16436 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/ArgumentPromotion.cpp

@@ -75,7 +75,7 @@ namespace {
                               "Promote 'by reference' arguments to scalars");
 }
 
-Pass *llvm::createArgumentPromotionPass() {
+ModulePass *llvm::createArgumentPromotionPass() {
   return new ArgPromotion();
 }