63 lines
2 KiB
C++
63 lines
2 KiB
C++
//===- Unit.cpp - Support for manipulating IR Unit ------------------------===//
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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/Unit.h"
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#include "mlir/IR/Operation.h"
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#include "mlir/IR/OperationSupport.h"
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#include "mlir/IR/Region.h"
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#include "llvm/Support/raw_ostream.h"
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#include <iterator>
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#include <sstream>
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using namespace mlir;
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static void printOp(llvm::raw_ostream &os, Operation *op,
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OpPrintingFlags &flags) {
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if (!op) {
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os << "<Operation:nullptr>";
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return;
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}
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op->print(os, flags);
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}
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static void printRegion(llvm::raw_ostream &os, Region *region,
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OpPrintingFlags &flags) {
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if (!region) {
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os << "<Region:nullptr>";
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return;
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}
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os << "Region #" << region->getRegionNumber() << " for op ";
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printOp(os, region->getParentOp(), flags);
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}
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static void printBlock(llvm::raw_ostream &os, Block *block,
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OpPrintingFlags &flags) {
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Region *region = block->getParent();
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Block *entry = ®ion->front();
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int blockId = std::distance(entry->getIterator(), block->getIterator());
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os << "Block #" << blockId << " for ";
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bool shouldSkipRegions = flags.shouldSkipRegions();
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printRegion(os, region, flags.skipRegions());
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if (!shouldSkipRegions)
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block->print(os);
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}
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void mlir::IRUnit::print(llvm::raw_ostream &os, OpPrintingFlags flags) const {
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if (auto *op = llvm::dyn_cast_if_present<Operation *>(*this))
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return printOp(os, op, flags);
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if (auto *region = llvm::dyn_cast_if_present<Region *>(*this))
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return printRegion(os, region, flags);
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if (auto *block = llvm::dyn_cast_if_present<Block *>(*this))
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return printBlock(os, block, flags);
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llvm_unreachable("unknown IRUnit");
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}
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llvm::raw_ostream &mlir::operator<<(llvm::raw_ostream &os, const IRUnit &unit) {
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unit.print(os);
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return os;
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}
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