Fix typos

Author: kuhar

llvm/include/llvm/Support/Casting.h

@@ -840,7 +840,7 @@ inline constexpr detail::IsaCheckPredicate<Types...> IsaPred{};
 /// in `Types`, or if the value is not present (e.g., nullptr). Example:
 /// ```
 /// SmallVector<Type> myTypes = ...;
-/// if (llvm::all_of(myTypes, llvm::IsaAndPresnetPred<VectorType>))
+/// if (llvm::all_of(myTypes, llvm::IsaAndPresentPred<VectorType>))
 ///   ...
 /// ```
 template <typename... Types>

llvm/unittests/Support/Casting.cpp

@@ -284,12 +284,13 @@ TEST(CastingTest, dyn_cast_if_present) {
 
 TEST(CastingTest, isa_check_predicates) {
   auto IsaFoo = IsaPred<foo>;
-  auto IsaAndPresentFoo = IsaAndPresentPred<foo>;
   EXPECT_TRUE(IsaFoo(B1));
   EXPECT_TRUE(IsaFoo(B2));
   EXPECT_TRUE(IsaFoo(B3));
   EXPECT_TRUE(IsaPred<foo>(B4));
   EXPECT_TRUE((IsaPred<foo, bar>(B4)));
+
+  auto IsaAndPresentFoo = IsaAndPresentPred<foo>;
   EXPECT_TRUE(IsaAndPresentFoo(B2));
   EXPECT_TRUE(IsaAndPresentFoo(B4));
   EXPECT_FALSE(IsaAndPresentPred<foo>(fub()));