forked from OSchip/llvm-project
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
//===- TestFunctionLike.cpp - Pass to test helpers on FunctionLike --------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/IR/Function.h"
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#include "mlir/Pass/Pass.h"
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using namespace mlir;
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namespace {
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/// This is a test pass for verifying FuncOp's eraseArgument method.
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struct TestFuncEraseArg : public ModulePass<TestFuncEraseArg> {
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void runOnModule() override {
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auto module = getModule();
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for (FuncOp func : module.getOps<FuncOp>()) {
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SmallVector<unsigned, 4> indicesToErase;
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for (auto argIndex : llvm::seq<int>(0, func.getNumArguments())) {
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if (func.getArgAttr(argIndex, "test.erase_this_arg")) {
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// Push back twice to test that duplicate arg indices are handled
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// correctly.
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indicesToErase.push_back(argIndex);
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indicesToErase.push_back(argIndex);
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}
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}
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// Reverse the order to test that unsorted index lists are handled
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// correctly.
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std::reverse(indicesToErase.begin(), indicesToErase.end());
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func.eraseArguments(indicesToErase);
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}
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}
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};
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/// This is a test pass for verifying FuncOp's setType method.
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struct TestFuncSetType : public ModulePass<TestFuncSetType> {
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void runOnModule() override {
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auto module = getModule();
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SymbolTable symbolTable(module);
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for (FuncOp func : module.getOps<FuncOp>()) {
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auto sym = func.getAttrOfType<FlatSymbolRefAttr>("test.set_type_from");
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if (!sym)
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continue;
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func.setType(symbolTable.lookup<FuncOp>(sym.getValue()).getType());
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}
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}
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};
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} // end anonymous namespace
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namespace mlir {
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void registerTestFunc() {
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PassRegistration<TestFuncEraseArg> pass("test-func-erase-arg",
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"Test erasing func args.");
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PassRegistration<TestFuncSetType> pass2("test-func-set-type",
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"Test FuncOp::setType.");
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}
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} // namespace mlir
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