llvm/llvm/lib/SandboxIR/BasicBlock.cpp

//===- BasicBlock.cpp - The BasicBlock class of Sandbox IR ----------------===//
//
// 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 "llvm/SandboxIR/BasicBlock.h"
#include "llvm/SandboxIR/Context.h"
#include "llvm/SandboxIR/Function.h"
#include "llvm/SandboxIR/Instruction.h"

namespace llvm::sandboxir {

BBIterator &BBIterator::operator++() { … }

BBIterator &BBIterator::operator--() { … }

BasicBlock *BBIterator::getNodeParent() const { … }

BasicBlock::iterator::pointer
BasicBlock::iterator::getInstr(llvm::BasicBlock::iterator It) const { … }

Function *BasicBlock::getParent() const { … }

void BasicBlock::buildBasicBlockFromLLVMIR(llvm::BasicBlock *LLVMBB) { … }

BasicBlock::iterator BasicBlock::begin() const { … }

Instruction *BasicBlock::getTerminator() const { … }

Instruction &BasicBlock::front() const { … }

Instruction &BasicBlock::back() const { … }

#ifndef NDEBUG
void BasicBlock::dumpOS(raw_ostream &OS) const {
  llvm::BasicBlock *BB = cast<llvm::BasicBlock>(Val);
  const auto &Name = BB->getName();
  OS << Name;
  if (!Name.empty())
    OS << ":\n";
  // If there are Instructions in the BB that are not mapped to SandboxIR, then
  // use a crash-proof dump.
  if (any_of(*BB, [this](llvm::Instruction &I) {
        return Ctx.getValue(&I) == nullptr;
      })) {
    OS << "<Crash-proof mode!>\n";
    DenseSet<Instruction *> Visited;
    for (llvm::Instruction &IRef : *BB) {
      Value *SBV = Ctx.getValue(&IRef);
      if (SBV == nullptr)
        OS << IRef << " *** No SandboxIR ***\n";
      else {
        auto *SBI = dyn_cast<Instruction>(SBV);
        if (SBI == nullptr) {
          OS << IRef << " *** Not a SBInstruction!!! ***\n";
        } else {
          if (Visited.insert(SBI).second)
            OS << *SBI << "\n";
        }
      }
    }
  } else {
    for (auto &SBI : *this) {
      SBI.dumpOS(OS);
      OS << "\n";
    }
  }
}

void BasicBlock::verify() const {
  assert(isa<llvm::BasicBlock>(Val) && "Expected BasicBlock!");
  for (const auto &I : *this) {
    I.verify();
  }
}
#endif // NDEBUG

} // namespace llvm::sandboxir