NFC: Remove unnecessary 'llvm::' prefix from uses of llvm symbols declared in `mlir` namespace.

Aside from being cleaner, this also makes the codebase more consistent.

PiperOrigin-RevId: 286206974

1 files changed, 2 insertions, 3 deletions

diff --git a/mlir/lib/Dialect/Traits.cpp b/mlir/lib/Dialect/Traits.cpp
index 9945b6ae4c2..0ac07c2c4f5 100644
--- a/mlir/lib/Dialect/Traits.cpp
+++ b/mlir/lib/Dialect/Traits.cpp
@@ -112,8 +112,7 @@ Type OpTrait::util::getBroadcastedType(Type type1, Type type2) {
 
   // Returns the type kind if the given type is a vector or ranked tensor type.
   // Returns llvm::None otherwise.
-  auto getCompositeTypeKind =
-      [](Type type) -> llvm::Optional<StandardTypes::Kind> {
+  auto getCompositeTypeKind = [](Type type) -> Optional<StandardTypes::Kind> {
     if (type.isa<VectorType>() || type.isa<RankedTensorType>())
       return static_cast<StandardTypes::Kind>(type.getKind());
     return llvm::None;
@@ -122,7 +121,7 @@ Type OpTrait::util::getBroadcastedType(Type type1, Type type2) {
   // Make sure the composite type, if has, is consistent.
   auto compositeKind1 = getCompositeTypeKind(type1);
   auto compositeKind2 = getCompositeTypeKind(type2);
-  llvm::Optional<StandardTypes::Kind> resultCompositeKind;
+  Optional<StandardTypes::Kind> resultCompositeKind;
 
   if (compositeKind1 && compositeKind2) {
     // Disallow mixing vector and tensor.