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This changes the behavior of constructing MLIRContext to no longer load globally registered dialects on construction. Instead Dialects are only loaded explicitly on demand: - the Parser is lazily loading Dialects in the context as it encounters them during parsing. This is the only purpose for registering dialects and not load them in the context. - Passes are expected to declare the dialects they will create entity from (Operations, Attributes, or Types), and the PassManager is loading Dialects into the Context when starting a pipeline. This changes simplifies the configuration of the registration: a compiler only need to load the dialect for the IR it will emit, and the optimizer is self-contained and load the required Dialects. For example in the Toy tutorial, the compiler only needs to load the Toy dialect in the Context, all the others (linalg, affine, std, LLVM, ...) are automatically loaded depending on the optimization pipeline enabled. To adjust to this change, stop using the existing dialect registration: the global registry will be removed soon. 1) For passes, you need to override the method: virtual void getDependentDialects(DialectRegistry ®istry) const {} and registery on the provided registry any dialect that this pass can produce. Passes defined in TableGen can provide this list in the dependentDialects list field. 2) For dialects, on construction you can register dependent dialects using the provided MLIRContext: `context.getOrLoadDialect<DialectName>()` This is useful if a dialect may canonicalize or have interfaces involving another dialect. 3) For loading IR, dialect that can be in the input file must be explicitly registered with the context. `MlirOptMain()` is taking an explicit registry for this purpose. See how the standalone-opt.cpp example is setup: mlir::DialectRegistry registry; registry.insert<mlir::standalone::StandaloneDialect>(); registry.insert<mlir::StandardOpsDialect>(); Only operations from these two dialects can be in the input file. To include all of the dialects in MLIR Core, you can populate the registry this way: mlir::registerAllDialects(registry); 4) For `mlir-translate` callback, as well as frontend, Dialects can be loaded in the context before emitting the IR: context.getOrLoadDialect<ToyDialect>() Differential Revision: https://reviews.llvm.org/D85622
705 lines
25 KiB
C++
705 lines
25 KiB
C++
//===- TestDialect.cpp - MLIR Dialect for Testing -------------------------===//
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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 "TestDialect.h"
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#include "TestTypes.h"
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#include "mlir/Dialect/StandardOps/IR/Ops.h"
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#include "mlir/IR/DialectImplementation.h"
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#include "mlir/IR/Function.h"
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#include "mlir/IR/Module.h"
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#include "mlir/IR/PatternMatch.h"
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#include "mlir/IR/TypeUtilities.h"
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#include "mlir/Transforms/FoldUtils.h"
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#include "mlir/Transforms/InliningUtils.h"
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#include "llvm/ADT/SetVector.h"
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#include "llvm/ADT/StringSwitch.h"
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using namespace mlir;
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void mlir::registerTestDialect(DialectRegistry ®istry) {
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registry.insert<TestDialect>();
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}
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//===----------------------------------------------------------------------===//
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// TestDialect Interfaces
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//===----------------------------------------------------------------------===//
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namespace {
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// Test support for interacting with the AsmPrinter.
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struct TestOpAsmInterface : public OpAsmDialectInterface {
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using OpAsmDialectInterface::OpAsmDialectInterface;
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void getAsmResultNames(Operation *op,
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OpAsmSetValueNameFn setNameFn) const final {
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if (auto asmOp = dyn_cast<AsmDialectInterfaceOp>(op))
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setNameFn(asmOp, "result");
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}
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void getAsmBlockArgumentNames(Block *block,
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OpAsmSetValueNameFn setNameFn) const final {
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auto op = block->getParentOp();
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auto arrayAttr = op->getAttrOfType<ArrayAttr>("arg_names");
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if (!arrayAttr)
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return;
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auto args = block->getArguments();
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auto e = std::min(arrayAttr.size(), args.size());
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for (unsigned i = 0; i < e; ++i) {
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if (auto strAttr = arrayAttr[i].dyn_cast<StringAttr>())
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setNameFn(args[i], strAttr.getValue());
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}
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}
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};
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struct TestDialectFoldInterface : public DialectFoldInterface {
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using DialectFoldInterface::DialectFoldInterface;
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/// Registered hook to check if the given region, which is attached to an
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/// operation that is *not* isolated from above, should be used when
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/// materializing constants.
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bool shouldMaterializeInto(Region *region) const final {
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// If this is a one region operation, then insert into it.
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return isa<OneRegionOp>(region->getParentOp());
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}
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};
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/// This class defines the interface for handling inlining with standard
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/// operations.
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struct TestInlinerInterface : public DialectInlinerInterface {
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using DialectInlinerInterface::DialectInlinerInterface;
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//===--------------------------------------------------------------------===//
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// Analysis Hooks
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//===--------------------------------------------------------------------===//
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bool isLegalToInline(Region *, Region *, BlockAndValueMapping &) const final {
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// Inlining into test dialect regions is legal.
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return true;
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}
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bool isLegalToInline(Operation *, Region *,
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BlockAndValueMapping &) const final {
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return true;
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}
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bool shouldAnalyzeRecursively(Operation *op) const final {
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// Analyze recursively if this is not a functional region operation, it
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// froms a separate functional scope.
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return !isa<FunctionalRegionOp>(op);
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}
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//===--------------------------------------------------------------------===//
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// Transformation Hooks
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//===--------------------------------------------------------------------===//
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/// Handle the given inlined terminator by replacing it with a new operation
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/// as necessary.
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void handleTerminator(Operation *op,
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ArrayRef<Value> valuesToRepl) const final {
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// Only handle "test.return" here.
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auto returnOp = dyn_cast<TestReturnOp>(op);
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if (!returnOp)
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return;
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// Replace the values directly with the return operands.
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assert(returnOp.getNumOperands() == valuesToRepl.size());
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for (const auto &it : llvm::enumerate(returnOp.getOperands()))
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valuesToRepl[it.index()].replaceAllUsesWith(it.value());
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}
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/// Attempt to materialize a conversion for a type mismatch between a call
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/// from this dialect, and a callable region. This method should generate an
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/// operation that takes 'input' as the only operand, and produces a single
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/// result of 'resultType'. If a conversion can not be generated, nullptr
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/// should be returned.
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Operation *materializeCallConversion(OpBuilder &builder, Value input,
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Type resultType,
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Location conversionLoc) const final {
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// Only allow conversion for i16/i32 types.
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if (!(resultType.isSignlessInteger(16) ||
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resultType.isSignlessInteger(32)) ||
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!(input.getType().isSignlessInteger(16) ||
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input.getType().isSignlessInteger(32)))
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return nullptr;
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return builder.create<TestCastOp>(conversionLoc, resultType, input);
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}
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};
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} // end anonymous namespace
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//===----------------------------------------------------------------------===//
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// TestDialect
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//===----------------------------------------------------------------------===//
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void TestDialect::initialize() {
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addOperations<
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#define GET_OP_LIST
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#include "TestOps.cpp.inc"
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>();
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addInterfaces<TestOpAsmInterface, TestDialectFoldInterface,
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TestInlinerInterface>();
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addTypes<TestType, TestRecursiveType>();
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allowUnknownOperations();
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}
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static Type parseTestType(DialectAsmParser &parser,
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llvm::SetVector<Type> &stack) {
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StringRef typeTag;
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if (failed(parser.parseKeyword(&typeTag)))
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return Type();
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if (typeTag == "test_type")
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return TestType::get(parser.getBuilder().getContext());
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if (typeTag != "test_rec")
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return Type();
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StringRef name;
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if (parser.parseLess() || parser.parseKeyword(&name))
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return Type();
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auto rec = TestRecursiveType::get(parser.getBuilder().getContext(), name);
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// If this type already has been parsed above in the stack, expect just the
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// name.
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if (stack.contains(rec)) {
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if (failed(parser.parseGreater()))
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return Type();
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return rec;
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}
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// Otherwise, parse the body and update the type.
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if (failed(parser.parseComma()))
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return Type();
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stack.insert(rec);
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Type subtype = parseTestType(parser, stack);
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stack.pop_back();
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if (!subtype || failed(parser.parseGreater()) || failed(rec.setBody(subtype)))
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return Type();
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return rec;
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}
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Type TestDialect::parseType(DialectAsmParser &parser) const {
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llvm::SetVector<Type> stack;
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return parseTestType(parser, stack);
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}
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static void printTestType(Type type, DialectAsmPrinter &printer,
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llvm::SetVector<Type> &stack) {
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if (type.isa<TestType>()) {
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printer << "test_type";
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return;
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}
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auto rec = type.cast<TestRecursiveType>();
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printer << "test_rec<" << rec.getName();
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if (!stack.contains(rec)) {
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printer << ", ";
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stack.insert(rec);
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printTestType(rec.getBody(), printer, stack);
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stack.pop_back();
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}
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printer << ">";
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}
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void TestDialect::printType(Type type, DialectAsmPrinter &printer) const {
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llvm::SetVector<Type> stack;
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printTestType(type, printer, stack);
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}
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LogicalResult TestDialect::verifyOperationAttribute(Operation *op,
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NamedAttribute namedAttr) {
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if (namedAttr.first == "test.invalid_attr")
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return op->emitError() << "invalid to use 'test.invalid_attr'";
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return success();
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}
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LogicalResult TestDialect::verifyRegionArgAttribute(Operation *op,
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unsigned regionIndex,
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unsigned argIndex,
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NamedAttribute namedAttr) {
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if (namedAttr.first == "test.invalid_attr")
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return op->emitError() << "invalid to use 'test.invalid_attr'";
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return success();
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}
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LogicalResult
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TestDialect::verifyRegionResultAttribute(Operation *op, unsigned regionIndex,
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unsigned resultIndex,
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NamedAttribute namedAttr) {
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if (namedAttr.first == "test.invalid_attr")
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return op->emitError() << "invalid to use 'test.invalid_attr'";
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return success();
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}
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//===----------------------------------------------------------------------===//
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// TestBranchOp
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//===----------------------------------------------------------------------===//
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Optional<MutableOperandRange>
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TestBranchOp::getMutableSuccessorOperands(unsigned index) {
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assert(index == 0 && "invalid successor index");
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return targetOperandsMutable();
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}
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//===----------------------------------------------------------------------===//
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// TestFoldToCallOp
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//===----------------------------------------------------------------------===//
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namespace {
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struct FoldToCallOpPattern : public OpRewritePattern<FoldToCallOp> {
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using OpRewritePattern<FoldToCallOp>::OpRewritePattern;
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LogicalResult matchAndRewrite(FoldToCallOp op,
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PatternRewriter &rewriter) const override {
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rewriter.replaceOpWithNewOp<CallOp>(op, ArrayRef<Type>(), op.calleeAttr(),
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ValueRange());
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return success();
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}
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};
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} // end anonymous namespace
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void FoldToCallOp::getCanonicalizationPatterns(
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OwningRewritePatternList &results, MLIRContext *context) {
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results.insert<FoldToCallOpPattern>(context);
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}
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//===----------------------------------------------------------------------===//
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// Test IsolatedRegionOp - parse passthrough region arguments.
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//===----------------------------------------------------------------------===//
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static ParseResult parseIsolatedRegionOp(OpAsmParser &parser,
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OperationState &result) {
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OpAsmParser::OperandType argInfo;
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Type argType = parser.getBuilder().getIndexType();
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// Parse the input operand.
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if (parser.parseOperand(argInfo) ||
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parser.resolveOperand(argInfo, argType, result.operands))
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return failure();
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// Parse the body region, and reuse the operand info as the argument info.
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Region *body = result.addRegion();
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return parser.parseRegion(*body, argInfo, argType,
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/*enableNameShadowing=*/true);
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}
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static void print(OpAsmPrinter &p, IsolatedRegionOp op) {
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p << "test.isolated_region ";
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p.printOperand(op.getOperand());
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p.shadowRegionArgs(op.region(), op.getOperand());
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p.printRegion(op.region(), /*printEntryBlockArgs=*/false);
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}
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//===----------------------------------------------------------------------===//
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// Test SSACFGRegionOp
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//===----------------------------------------------------------------------===//
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RegionKind SSACFGRegionOp::getRegionKind(unsigned index) {
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return RegionKind::SSACFG;
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}
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//===----------------------------------------------------------------------===//
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// Test GraphRegionOp
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//===----------------------------------------------------------------------===//
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static ParseResult parseGraphRegionOp(OpAsmParser &parser,
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OperationState &result) {
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// Parse the body region, and reuse the operand info as the argument info.
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Region *body = result.addRegion();
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return parser.parseRegion(*body, /*arguments=*/{}, /*argTypes=*/{});
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}
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static void print(OpAsmPrinter &p, GraphRegionOp op) {
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p << "test.graph_region ";
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p.printRegion(op.region(), /*printEntryBlockArgs=*/false);
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}
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RegionKind GraphRegionOp::getRegionKind(unsigned index) {
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return RegionKind::Graph;
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}
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//===----------------------------------------------------------------------===//
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// Test AffineScopeOp
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//===----------------------------------------------------------------------===//
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static ParseResult parseAffineScopeOp(OpAsmParser &parser,
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OperationState &result) {
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// Parse the body region, and reuse the operand info as the argument info.
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Region *body = result.addRegion();
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return parser.parseRegion(*body, /*arguments=*/{}, /*argTypes=*/{});
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}
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static void print(OpAsmPrinter &p, AffineScopeOp op) {
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p << "test.affine_scope ";
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p.printRegion(op.region(), /*printEntryBlockArgs=*/false);
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}
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//===----------------------------------------------------------------------===//
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// Test parser.
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//===----------------------------------------------------------------------===//
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static ParseResult parseWrappedKeywordOp(OpAsmParser &parser,
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OperationState &result) {
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StringRef keyword;
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if (parser.parseKeyword(&keyword))
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return failure();
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result.addAttribute("keyword", parser.getBuilder().getStringAttr(keyword));
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return success();
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}
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static void print(OpAsmPrinter &p, WrappedKeywordOp op) {
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p << WrappedKeywordOp::getOperationName() << " " << op.keyword();
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}
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//===----------------------------------------------------------------------===//
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// Test WrapRegionOp - wrapping op exercising `parseGenericOperation()`.
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static ParseResult parseWrappingRegionOp(OpAsmParser &parser,
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OperationState &result) {
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if (parser.parseKeyword("wraps"))
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return failure();
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// Parse the wrapped op in a region
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Region &body = *result.addRegion();
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body.push_back(new Block);
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Block &block = body.back();
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Operation *wrapped_op = parser.parseGenericOperation(&block, block.begin());
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if (!wrapped_op)
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return failure();
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// Create a return terminator in the inner region, pass as operand to the
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// terminator the returned values from the wrapped operation.
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SmallVector<Value, 8> return_operands(wrapped_op->getResults());
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OpBuilder builder(parser.getBuilder().getContext());
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builder.setInsertionPointToEnd(&block);
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builder.create<TestReturnOp>(wrapped_op->getLoc(), return_operands);
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// Get the results type for the wrapping op from the terminator operands.
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Operation &return_op = body.back().back();
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result.types.append(return_op.operand_type_begin(),
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return_op.operand_type_end());
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// Use the location of the wrapped op for the "test.wrapping_region" op.
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result.location = wrapped_op->getLoc();
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return success();
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}
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static void print(OpAsmPrinter &p, WrappingRegionOp op) {
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p << op.getOperationName() << " wraps ";
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p.printGenericOp(&op.region().front().front());
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}
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//===----------------------------------------------------------------------===//
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// Test PolyForOp - parse list of region arguments.
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//===----------------------------------------------------------------------===//
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static ParseResult parsePolyForOp(OpAsmParser &parser, OperationState &result) {
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SmallVector<OpAsmParser::OperandType, 4> ivsInfo;
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// Parse list of region arguments without a delimiter.
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if (parser.parseRegionArgumentList(ivsInfo))
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return failure();
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// Parse the body region.
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Region *body = result.addRegion();
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auto &builder = parser.getBuilder();
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SmallVector<Type, 4> argTypes(ivsInfo.size(), builder.getIndexType());
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return parser.parseRegion(*body, ivsInfo, argTypes);
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}
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//===----------------------------------------------------------------------===//
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// Test removing op with inner ops.
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//===----------------------------------------------------------------------===//
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namespace {
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struct TestRemoveOpWithInnerOps
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: public OpRewritePattern<TestOpWithRegionPattern> {
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using OpRewritePattern<TestOpWithRegionPattern>::OpRewritePattern;
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LogicalResult matchAndRewrite(TestOpWithRegionPattern op,
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PatternRewriter &rewriter) const override {
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rewriter.eraseOp(op);
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return success();
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}
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};
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} // end anonymous namespace
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void TestOpWithRegionPattern::getCanonicalizationPatterns(
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OwningRewritePatternList &results, MLIRContext *context) {
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results.insert<TestRemoveOpWithInnerOps>(context);
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}
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OpFoldResult TestOpWithRegionFold::fold(ArrayRef<Attribute> operands) {
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return operand();
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}
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LogicalResult TestOpWithVariadicResultsAndFolder::fold(
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ArrayRef<Attribute> operands, SmallVectorImpl<OpFoldResult> &results) {
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for (Value input : this->operands()) {
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results.push_back(input);
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}
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return success();
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}
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OpFoldResult TestOpInPlaceFold::fold(ArrayRef<Attribute> operands) {
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assert(operands.size() == 1);
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if (operands.front()) {
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setAttr("attr", operands.front());
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return getResult();
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}
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return {};
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}
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LogicalResult OpWithInferTypeInterfaceOp::inferReturnTypes(
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MLIRContext *, Optional<Location> location, ValueRange operands,
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DictionaryAttr attributes, RegionRange regions,
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SmallVectorImpl<Type> &inferredReturnTypes) {
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if (operands[0].getType() != operands[1].getType()) {
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return emitOptionalError(location, "operand type mismatch ",
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operands[0].getType(), " vs ",
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operands[1].getType());
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}
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inferredReturnTypes.assign({operands[0].getType()});
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return success();
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}
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LogicalResult OpWithShapedTypeInferTypeInterfaceOp::inferReturnTypeComponents(
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MLIRContext *context, Optional<Location> location, ValueRange operands,
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DictionaryAttr attributes, RegionRange regions,
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SmallVectorImpl<ShapedTypeComponents> &inferredReturnShapes) {
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// Create return type consisting of the last element of the first operand.
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auto operandType = *operands.getTypes().begin();
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auto sval = operandType.dyn_cast<ShapedType>();
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if (!sval) {
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return emitOptionalError(location, "only shaped type operands allowed");
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}
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int64_t dim =
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sval.hasRank() ? sval.getShape().front() : ShapedType::kDynamicSize;
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auto type = IntegerType::get(17, context);
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inferredReturnShapes.push_back(ShapedTypeComponents({dim}, type));
|
|
return success();
|
|
}
|
|
|
|
LogicalResult OpWithShapedTypeInferTypeInterfaceOp::reifyReturnTypeShapes(
|
|
OpBuilder &builder, llvm::SmallVectorImpl<Value> &shapes) {
|
|
shapes = SmallVector<Value, 1>{
|
|
builder.createOrFold<DimOp>(getLoc(), getOperand(0), 0)};
|
|
return success();
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Test SideEffect interfaces
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
/// A test resource for side effects.
|
|
struct TestResource : public SideEffects::Resource::Base<TestResource> {
|
|
StringRef getName() final { return "<Test>"; }
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
void SideEffectOp::getEffects(
|
|
SmallVectorImpl<MemoryEffects::EffectInstance> &effects) {
|
|
// Check for an effects attribute on the op instance.
|
|
ArrayAttr effectsAttr = getAttrOfType<ArrayAttr>("effects");
|
|
if (!effectsAttr)
|
|
return;
|
|
|
|
// If there is one, it is an array of dictionary attributes that hold
|
|
// information on the effects of this operation.
|
|
for (Attribute element : effectsAttr) {
|
|
DictionaryAttr effectElement = element.cast<DictionaryAttr>();
|
|
|
|
// Get the specific memory effect.
|
|
MemoryEffects::Effect *effect =
|
|
llvm::StringSwitch<MemoryEffects::Effect *>(
|
|
effectElement.get("effect").cast<StringAttr>().getValue())
|
|
.Case("allocate", MemoryEffects::Allocate::get())
|
|
.Case("free", MemoryEffects::Free::get())
|
|
.Case("read", MemoryEffects::Read::get())
|
|
.Case("write", MemoryEffects::Write::get());
|
|
|
|
// Check for a result to affect.
|
|
Value value;
|
|
if (effectElement.get("on_result"))
|
|
value = getResult();
|
|
|
|
// Check for a non-default resource to use.
|
|
SideEffects::Resource *resource = SideEffects::DefaultResource::get();
|
|
if (effectElement.get("test_resource"))
|
|
resource = TestResource::get();
|
|
|
|
effects.emplace_back(effect, value, resource);
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// StringAttrPrettyNameOp
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// This op has fancy handling of its SSA result name.
|
|
static ParseResult parseStringAttrPrettyNameOp(OpAsmParser &parser,
|
|
OperationState &result) {
|
|
// Add the result types.
|
|
for (size_t i = 0, e = parser.getNumResults(); i != e; ++i)
|
|
result.addTypes(parser.getBuilder().getIntegerType(32));
|
|
|
|
if (parser.parseOptionalAttrDictWithKeyword(result.attributes))
|
|
return failure();
|
|
|
|
// If the attribute dictionary contains no 'names' attribute, infer it from
|
|
// the SSA name (if specified).
|
|
bool hadNames = llvm::any_of(result.attributes, [](NamedAttribute attr) {
|
|
return attr.first == "names";
|
|
});
|
|
|
|
// If there was no name specified, check to see if there was a useful name
|
|
// specified in the asm file.
|
|
if (hadNames || parser.getNumResults() == 0)
|
|
return success();
|
|
|
|
SmallVector<StringRef, 4> names;
|
|
auto *context = result.getContext();
|
|
|
|
for (size_t i = 0, e = parser.getNumResults(); i != e; ++i) {
|
|
auto resultName = parser.getResultName(i);
|
|
StringRef nameStr;
|
|
if (!resultName.first.empty() && !isdigit(resultName.first[0]))
|
|
nameStr = resultName.first;
|
|
|
|
names.push_back(nameStr);
|
|
}
|
|
|
|
auto namesAttr = parser.getBuilder().getStrArrayAttr(names);
|
|
result.attributes.push_back({Identifier::get("names", context), namesAttr});
|
|
return success();
|
|
}
|
|
|
|
static void print(OpAsmPrinter &p, StringAttrPrettyNameOp op) {
|
|
p << "test.string_attr_pretty_name";
|
|
|
|
// Note that we only need to print the "name" attribute if the asmprinter
|
|
// result name disagrees with it. This can happen in strange cases, e.g.
|
|
// when there are conflicts.
|
|
bool namesDisagree = op.names().size() != op.getNumResults();
|
|
|
|
SmallString<32> resultNameStr;
|
|
for (size_t i = 0, e = op.getNumResults(); i != e && !namesDisagree; ++i) {
|
|
resultNameStr.clear();
|
|
llvm::raw_svector_ostream tmpStream(resultNameStr);
|
|
p.printOperand(op.getResult(i), tmpStream);
|
|
|
|
auto expectedName = op.names()[i].dyn_cast<StringAttr>();
|
|
if (!expectedName ||
|
|
tmpStream.str().drop_front() != expectedName.getValue()) {
|
|
namesDisagree = true;
|
|
}
|
|
}
|
|
|
|
if (namesDisagree)
|
|
p.printOptionalAttrDictWithKeyword(op.getAttrs());
|
|
else
|
|
p.printOptionalAttrDictWithKeyword(op.getAttrs(), {"names"});
|
|
}
|
|
|
|
// We set the SSA name in the asm syntax to the contents of the name
|
|
// attribute.
|
|
void StringAttrPrettyNameOp::getAsmResultNames(
|
|
function_ref<void(Value, StringRef)> setNameFn) {
|
|
|
|
auto value = names();
|
|
for (size_t i = 0, e = value.size(); i != e; ++i)
|
|
if (auto str = value[i].dyn_cast<StringAttr>())
|
|
if (!str.getValue().empty())
|
|
setNameFn(getResult(i), str.getValue());
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// RegionIfOp
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static void print(OpAsmPrinter &p, RegionIfOp op) {
|
|
p << RegionIfOp::getOperationName() << " ";
|
|
p.printOperands(op.getOperands());
|
|
p << ": " << op.getOperandTypes();
|
|
p.printArrowTypeList(op.getResultTypes());
|
|
p << " then";
|
|
p.printRegion(op.thenRegion(),
|
|
/*printEntryBlockArgs=*/true,
|
|
/*printBlockTerminators=*/true);
|
|
p << " else";
|
|
p.printRegion(op.elseRegion(),
|
|
/*printEntryBlockArgs=*/true,
|
|
/*printBlockTerminators=*/true);
|
|
p << " join";
|
|
p.printRegion(op.joinRegion(),
|
|
/*printEntryBlockArgs=*/true,
|
|
/*printBlockTerminators=*/true);
|
|
}
|
|
|
|
static ParseResult parseRegionIfOp(OpAsmParser &parser,
|
|
OperationState &result) {
|
|
SmallVector<OpAsmParser::OperandType, 2> operandInfos;
|
|
SmallVector<Type, 2> operandTypes;
|
|
|
|
result.regions.reserve(3);
|
|
Region *thenRegion = result.addRegion();
|
|
Region *elseRegion = result.addRegion();
|
|
Region *joinRegion = result.addRegion();
|
|
|
|
// Parse operand, type and arrow type lists.
|
|
if (parser.parseOperandList(operandInfos) ||
|
|
parser.parseColonTypeList(operandTypes) ||
|
|
parser.parseArrowTypeList(result.types))
|
|
return failure();
|
|
|
|
// Parse all attached regions.
|
|
if (parser.parseKeyword("then") || parser.parseRegion(*thenRegion, {}, {}) ||
|
|
parser.parseKeyword("else") || parser.parseRegion(*elseRegion, {}, {}) ||
|
|
parser.parseKeyword("join") || parser.parseRegion(*joinRegion, {}, {}))
|
|
return failure();
|
|
|
|
return parser.resolveOperands(operandInfos, operandTypes,
|
|
parser.getCurrentLocation(), result.operands);
|
|
}
|
|
|
|
OperandRange RegionIfOp::getSuccessorEntryOperands(unsigned index) {
|
|
assert(index < 2 && "invalid region index");
|
|
return getOperands();
|
|
}
|
|
|
|
void RegionIfOp::getSuccessorRegions(
|
|
Optional<unsigned> index, ArrayRef<Attribute> operands,
|
|
SmallVectorImpl<RegionSuccessor> ®ions) {
|
|
// We always branch to the join region.
|
|
if (index.hasValue()) {
|
|
if (index.getValue() < 2)
|
|
regions.push_back(RegionSuccessor(&joinRegion(), getJoinArgs()));
|
|
else
|
|
regions.push_back(RegionSuccessor(getResults()));
|
|
return;
|
|
}
|
|
|
|
// The then and else regions are the entry regions of this op.
|
|
regions.push_back(RegionSuccessor(&thenRegion(), getThenArgs()));
|
|
regions.push_back(RegionSuccessor(&elseRegion(), getElseArgs()));
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Dialect Registration
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Static initialization for Test dialect registration.
|
|
static DialectRegistration<TestDialect> testDialect;
|
|
|
|
#include "TestOpEnums.cpp.inc"
|
|
#include "TestOpStructs.cpp.inc"
|
|
#include "TestTypeInterfaces.cpp.inc"
|
|
|
|
#define GET_OP_CLASSES
|
|
#include "TestOps.cpp.inc"
|