Simplify code. No change in functionality.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119908 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/MemCpyOptimizer.cpp

@@ -496,7 +496,7 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator &BBI) {
       // align
       ConstantInt::get(Type::getInt32Ty(Context), Alignment),
       // volatile
-      ConstantInt::get(Type::getInt1Ty(Context), 0),
+      ConstantInt::getFalse(Context),
     };
     const Type *Tys[] = { Ops[0]->getType(), Ops[2]->getType() };