llvm-project/mlir/test/lib/IR/TestRegions.cpp

46 lines
1.4 KiB
C++

//===- TestRegions.cpp - Pass to test Region's methods --------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "TestDialect.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/Pass/Pass.h"
using namespace mlir;
namespace {
/// This is a test pass that tests Region's takeBody method by making the first
/// function take the body of the second.
struct TakeBodyPass
: public PassWrapper<TakeBodyPass, OperationPass<ModuleOp>> {
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TakeBodyPass)
StringRef getArgument() const final { return "test-take-body"; }
StringRef getDescription() const final { return "Test Region's takeBody"; }
void runOnOperation() override {
auto module = getOperation();
SmallVector<func::FuncOp> functions =
llvm::to_vector(module.getOps<func::FuncOp>());
if (functions.size() != 2) {
module.emitError("Expected only two functions in test");
signalPassFailure();
return;
}
functions[0].getBody().takeBody(functions[1].getBody());
}
};
} // namespace
namespace mlir {
void registerRegionTestPasses() { PassRegistration<TakeBodyPass>(); }
} // namespace mlir