diff options
Diffstat (limited to 'compiler/optimizing/nodes.cc')
| -rw-r--r-- | compiler/optimizing/nodes.cc | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc index e3e4589b63..d57eaf0b60 100644 --- a/compiler/optimizing/nodes.cc +++ b/compiler/optimizing/nodes.cc @@ -1312,6 +1312,44 @@ void HEnvironment::ReplaceInput(HInstruction* replacement, size_t index) { orig_instr->FixUpUserRecordsAfterEnvUseRemoval(before_use_node); } +std::ostream& HInstruction::Dump(std::ostream& os, bool dump_args) { + HGraph* graph = GetBlock()->GetGraph(); + HGraphVisualizer::DumpInstruction(&os, graph, this); + if (dump_args) { + // Allocate memory from local ScopedArenaAllocator. + ScopedArenaAllocator allocator(graph->GetArenaStack()); + // Instructions that we already visited. We print each instruction only once. + ArenaBitVector visited( + &allocator, graph->GetCurrentInstructionId(), /* expandable= */ false, kArenaAllocMisc); + visited.ClearAllBits(); + visited.SetBit(GetId()); + // Keep a queue of instructions with their indentations. + ScopedArenaDeque<std::pair<HInstruction*, size_t>> queue(allocator.Adapter(kArenaAllocMisc)); + auto add_args = [&queue](HInstruction* instruction, size_t indentation) { + for (HInstruction* arg : ReverseRange(instruction->GetInputs())) { + queue.emplace_front(arg, indentation); + } + }; + add_args(this, /*indentation=*/ 1u); + while (!queue.empty()) { + HInstruction* instruction; + size_t indentation; + std::tie(instruction, indentation) = queue.front(); + queue.pop_front(); + if (!visited.IsBitSet(instruction->GetId())) { + visited.SetBit(instruction->GetId()); + os << '\n'; + for (size_t i = 0; i != indentation; ++i) { + os << " "; + } + HGraphVisualizer::DumpInstruction(&os, graph, instruction); + add_args(instruction, indentation + 1u); + } + } + } + return os; +} + HInstruction* HInstruction::GetNextDisregardingMoves() const { HInstruction* next = GetNext(); while (next != nullptr && next->IsParallelMove()) { |