diff options
Diffstat (limited to 'deps/v8/src/compiler/branch-elimination.cc')
| -rw-r--r-- | deps/v8/src/compiler/branch-elimination.cc | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/deps/v8/src/compiler/branch-elimination.cc b/deps/v8/src/compiler/branch-elimination.cc index a864012a7a..1515340503 100644 --- a/deps/v8/src/compiler/branch-elimination.cc +++ b/deps/v8/src/compiler/branch-elimination.cc @@ -135,7 +135,6 @@ Reduction BranchElimination::ReduceBranch(Node* node) { bool condition_value; // If we know the condition we can discard the branch. if (from_input.LookupCondition(condition, &branch, &condition_value)) { - MarkAsSafetyCheckIfNeeded(branch, node); for (Node* const use : node->uses()) { switch (use->opcode()) { case IrOpcode::kIfTrue: @@ -215,7 +214,6 @@ Reduction BranchElimination::ReduceDeoptimizeConditional(Node* node) { Node* branch; // If we know the condition we can discard the branch. if (conditions.LookupCondition(condition, &branch, &condition_value)) { - MarkAsSafetyCheckIfNeeded(branch, node); if (condition_is_true == condition_value) { // We don't update the conditions here, because we're replacing {node} // with the {control} node that already contains the right information. @@ -410,21 +408,6 @@ bool BranchElimination::ControlPathConditions::BlocksAndConditionsInvariant() { } #endif -void BranchElimination::MarkAsSafetyCheckIfNeeded(Node* branch, Node* node) { - // Check if {branch} is dead because we might have a stale side-table entry. - if (!branch->IsDead() && branch->opcode() != IrOpcode::kDead && - branch->opcode() != IrOpcode::kTrapIf && - branch->opcode() != IrOpcode::kTrapUnless) { - IsSafetyCheck branch_safety = IsSafetyCheckOf(branch->op()); - IsSafetyCheck combined_safety = - CombineSafetyChecks(branch_safety, IsSafetyCheckOf(node->op())); - if (branch_safety != combined_safety) { - NodeProperties::ChangeOp( - branch, common()->MarkAsSafetyCheck(branch->op(), combined_safety)); - } - } -} - Graph* BranchElimination::graph() const { return jsgraph()->graph(); } Isolate* BranchElimination::isolate() const { return jsgraph()->isolate(); } |