[mlir] Ensure newline at the end of files (NFC)

mlir/lib/Dialect/Tensor/Extensions/AllExtensions.cpp

@@ -13,4 +13,4 @@ using namespace mlir;
 
 void mlir::tensor::registerAllExtensions(DialectRegistry &registry) {
   registerShardingInterfaceExternalModels(registry);
-}
+}

mlir/lib/Dialect/Tosa/Transforms/TosaInferShapes.cpp

@@ -344,4 +344,4 @@ struct TosaInferShapes
     validateSameOperandsAndResultRankTrait(func.getBody());
   }
 };
-} // namespace
+} // namespace

mlir/lib/Reducer/OptReductionPass.cpp

@@ -88,4 +88,4 @@ void OptReductionPass::runOnOperation() {
   moduleVariant->destroy();
 
   LLVM_DEBUG(llvm::dbgs() << "Pass Complete\n\n");
-}
+}

mlir/test/lib/Dialect/XeGPU/TestXeGPUTransforms.cpp

@@ -121,4 +121,4 @@ void registerTestXeGPULowerings() {
   PassRegistration<TestXeGPUUnrollingPatterns>();
 }
 } // namespace test
-} // namespace mlir
+} // namespace mlir

mlir/unittests/Analysis/Presburger/QuasiPolynomialTest.cpp

@@ -137,4 +137,4 @@ TEST(QuasiPolynomialTest, simplify) {
                       {{{Fraction(1, 1), Fraction(3, 4), Fraction(5, 3)},
                         {Fraction(2, 1), Fraction(0, 1), Fraction(0, 1)}},
                        {{Fraction(1, 1), Fraction(4, 5), Fraction(6, 5)}}}));
-}
+}

mlir/unittests/Target/LLVM/SerializeToLLVMBitcode.cpp

@@ -239,4 +239,4 @@ TEST_F(MLIRTargetLLVM,
   ASSERT_TRUE(serializedBinary != std::nullopt);
   ASSERT_TRUE(!serializedBinary->empty());
   ASSERT_TRUE(!optimizedLLVMIR.empty());
-}
+}