mlir/unittests/Pass/PassPipelineParserTest.cpp

   1 //===- PassPipelineParserTest.cpp - Pass Parser unit tests ----------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "mlir/IR/Builders.h"
  10 #include "mlir/IR/BuiltinOps.h"
  11 #include "mlir/Pass/Pass.h"
  12 #include "mlir/Pass/PassManager.h"
  13 #include "mlir/Pass/PassRegistry.h"
  14 #include "llvm/Support/raw_ostream.h"
  15 #include "gtest/gtest.h"
  16
  17 #include <memory>
  18
  19 using namespace mlir;
  20 using namespace mlir::detail;
  21
  22 namespace {
  23 TEST(PassPipelineParserTest, InvalidOpAnchor) {
  24   // Helper functor used to parse a pipeline and check that it results in the
  25   // provided error message.
  26   auto checkParseFailure = [](StringRef pipeline, StringRef expectedErrorMsg) {
  27     std::string errorMsg;
  28     {
  29       llvm::raw_string_ostream os(errorMsg);
  30       FailureOr<OpPassManager> result = parsePassPipeline(pipeline, os);
  31       EXPECT_TRUE(failed(result));
  32     }
  33     EXPECT_TRUE(StringRef(errorMsg).contains(expectedErrorMsg));
  34   };
  35
  36   // Handle parse errors when the anchor is incorrectly structured.
  37   StringRef anchorErrorMsg =
  38       "expected pass pipeline to be wrapped with the anchor operation type";
  39   checkParseFailure("module", anchorErrorMsg);
  40   checkParseFailure("()", anchorErrorMsg);
  41   checkParseFailure("module(", anchorErrorMsg);
  42   checkParseFailure("module)", anchorErrorMsg);
  43 }
  44
  45 } // namespace