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TestPrintInvalid.cpp
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TestPrintInvalid.cpp
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//===- TestPrintInvalid.cpp - Test printing invalid ops -------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This pass creates and prints to the standard output an invalid operation and
// a valid operation.
//
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "mlir/Pass/Pass.h"
#include "llvm/Support/raw_ostream.h"
using namespace mlir;
namespace {
struct TestPrintInvalidPass
: public PassWrapper<TestPrintInvalidPass, OperationPass<ModuleOp>> {
StringRef getArgument() const final { return "test-print-invalid"; }
StringRef getDescription() const final {
return "Test printing invalid ops.";
}
void getDependentDialects(DialectRegistry ®istry) const override {
registry.insert<func::FuncDialect>();
}
void runOnOperation() override {
Location loc = getOperation().getLoc();
OpBuilder builder(getOperation().getBodyRegion());
auto funcOp = builder.create<FuncOp>(
loc, "test", FunctionType::get(getOperation().getContext(), {}, {}));
funcOp.addEntryBlock();
// The created function is invalid because there is no return op.
llvm::outs() << "Invalid operation:\n" << funcOp << "\n";
builder.setInsertionPointToEnd(&funcOp.getBody().front());
builder.create<func::ReturnOp>(loc);
// Now this function is valid.
llvm::outs() << "Valid operation:\n" << funcOp << "\n";
funcOp.erase();
}
};
} // namespace
namespace mlir {
void registerTestPrintInvalidPass() {
PassRegistration<TestPrintInvalidPass>{};
}
} // namespace mlir