[mlir][emitc] Reorder match conditions for efficiency

Author: Vladislave0-0

mlir/lib/Dialect/EmitC/Transforms/FormExpressions.cpp

@@ -36,9 +36,9 @@ struct FormExpressionsPass
     // Wrap each C operator op with an expression op.
     OpBuilder builder(context);
     auto matchFun = [&](Operation *op) {
-      if (isa<emitc::CExpressionInterface>(*op) &&
-          !op->getParentOfType<emitc::ExpressionOp>() &&
-          !isa<emitc::LiteralOp>(op) && op->getNumResults() == 1)
+      if (op->getNumResults() == 1 && !isa<emitc::LiteralOp>(op) &&
+          isa<emitc::CExpressionInterface>(*op) &&
+          !op->getParentOfType<emitc::ExpressionOp>())
         createExpression(op, builder);
     };
     rootOp->walk(matchFun);

mlir/lib/Target/Cpp/TranslateToCpp.cpp

@@ -455,7 +455,7 @@ static LogicalResult printOperation(CppEmitter &emitter, emitc::LoadOp loadOp) {
 
 static LogicalResult printOperation(CppEmitter &emitter,
                                     emitc::LiteralOp literalOp) {
-  // If literalOp is used inside an expression, we treat it as an embedded one.
+  // If literalOp is used inside an expression, we treat it as an inlined one.
   if (emitter.isPartOfCurrentExpression(literalOp.getResult()))
     return emitter.ostream() << literalOp.getValue(), success();