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