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path: root/compiler/dex/global_value_numbering.cc
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Diffstat (limited to 'compiler/dex/global_value_numbering.cc')
-rw-r--r--compiler/dex/global_value_numbering.cc13
1 files changed, 1 insertions, 12 deletions
diff --git a/compiler/dex/global_value_numbering.cc b/compiler/dex/global_value_numbering.cc
index f0f7a7051b..d311bc76ff 100644
--- a/compiler/dex/global_value_numbering.cc
+++ b/compiler/dex/global_value_numbering.cc
@@ -70,12 +70,7 @@ LocalValueNumbering* GlobalValueNumbering::PrepareBasicBlock(BasicBlock* bb,
DCHECK(work_lvn_.get() == nullptr);
work_lvn_.reset(new (allocator) LocalValueNumbering(this, bb->id, allocator));
if (bb->block_type == kEntryBlock) {
- if ((cu_->access_flags & kAccStatic) == 0) {
- // If non-static method, mark "this" as non-null
- int this_reg = cu_->mir_graph->GetFirstInVR();
- uint16_t value_name = work_lvn_->GetSRegValueName(this_reg);
- work_lvn_->SetValueNameNullChecked(value_name);
- }
+ work_lvn_->PrepareEntryBlock();
DCHECK(bb->first_mir_insn == nullptr); // modifications_allowed_ is irrelevant.
} else {
// To avoid repeated allocation on the ArenaStack, reuse a single vector kept as a member.
@@ -127,12 +122,6 @@ LocalValueNumbering* GlobalValueNumbering::PrepareBasicBlock(BasicBlock* bb,
CHECK(!merge_lvns_.empty());
if (merge_lvns_.size() == 1u) {
work_lvn_->MergeOne(*merge_lvns_[0], merge_type);
- BasicBlock* pred_bb = mir_graph_->GetBasicBlock(merge_lvns_[0]->Id());
- if (HasNullCheckLastInsn(pred_bb, bb->id)) {
- int s_reg = pred_bb->last_mir_insn->ssa_rep->uses[0];
- uint16_t value_name = merge_lvns_[0]->GetSRegValueName(s_reg);
- work_lvn_->SetValueNameNullChecked(value_name);
- }
} else {
work_lvn_->Merge(merge_type);
}