diff options
Diffstat (limited to 'compiler/optimizing/dead_code_elimination.cc')
-rw-r--r-- | compiler/optimizing/dead_code_elimination.cc | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/compiler/optimizing/dead_code_elimination.cc b/compiler/optimizing/dead_code_elimination.cc index 5117e07a12..3cc7b0e78d 100644 --- a/compiler/optimizing/dead_code_elimination.cc +++ b/compiler/optimizing/dead_code_elimination.cc @@ -18,13 +18,18 @@ #include "base/array_ref.h" #include "base/bit_vector-inl.h" +#include "base/scoped_arena_allocator.h" +#include "base/scoped_arena_containers.h" #include "base/stl_util.h" #include "ssa_phi_elimination.h" namespace art { static void MarkReachableBlocks(HGraph* graph, ArenaBitVector* visited) { - ArenaVector<HBasicBlock*> worklist(graph->GetAllocator()->Adapter(kArenaAllocDCE)); + // Use local allocator for allocating memory. + ScopedArenaAllocator allocator(graph->GetArenaStack()); + + ScopedArenaVector<HBasicBlock*> worklist(allocator.Adapter(kArenaAllocDCE)); constexpr size_t kDefaultWorlistSize = 8; worklist.reserve(kDefaultWorlistSize); visited->SetBit(graph->GetEntryBlock()->GetBlockId()); @@ -305,9 +310,12 @@ void HDeadCodeElimination::ConnectSuccessiveBlocks() { } bool HDeadCodeElimination::RemoveDeadBlocks() { + // Use local allocator for allocating memory. + ScopedArenaAllocator allocator(graph_->GetArenaStack()); + // Classify blocks as reachable/unreachable. - ArenaAllocator* allocator = graph_->GetAllocator(); - ArenaBitVector live_blocks(allocator, graph_->GetBlocks().size(), false, kArenaAllocDCE); + ArenaBitVector live_blocks(&allocator, graph_->GetBlocks().size(), false, kArenaAllocDCE); + live_blocks.ClearAllBits(); MarkReachableBlocks(graph_, &live_blocks); bool removed_one_or_more_blocks = false; |