reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an
arbitrary integer width for the count.

llvm-svn: 59823
diff --git a/llvm/lib/VMCore/Verifier.cpp b/llvm/lib/VMCore/Verifier.cpp
index ffafc77..3662941 100644
--- a/llvm/lib/VMCore/Verifier.cpp
+++ b/llvm/lib/VMCore/Verifier.cpp
@@ -1336,12 +1336,9 @@
   switch (ID) {
   default:
     break;
-  case Intrinsic::memcpy_i32:
-  case Intrinsic::memcpy_i64:
-  case Intrinsic::memmove_i32:
-  case Intrinsic::memmove_i64:
-  case Intrinsic::memset_i32:
-  case Intrinsic::memset_i64:
+  case Intrinsic::memcpy:
+  case Intrinsic::memmove:
+  case Intrinsic::memset:
     Assert1(isa<ConstantInt>(CI.getOperand(4)),
             "alignment argument of memory intrinsics must be a constant int",
             &CI);