diff options
Diffstat (limited to 'deps/v8/src/compiler/constant-folding-reducer.cc')
| -rw-r--r-- | deps/v8/src/compiler/constant-folding-reducer.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/deps/v8/src/compiler/constant-folding-reducer.cc b/deps/v8/src/compiler/constant-folding-reducer.cc index 5e45746d97..1811c06f98 100644 --- a/deps/v8/src/compiler/constant-folding-reducer.cc +++ b/deps/v8/src/compiler/constant-folding-reducer.cc @@ -11,12 +11,16 @@ namespace v8 { namespace internal { namespace compiler { -ConstantFoldingReducer::ConstantFoldingReducer(Editor* editor, JSGraph* jsgraph) - : AdvancedReducer(editor), jsgraph_(jsgraph) {} +ConstantFoldingReducer::ConstantFoldingReducer( + Editor* editor, JSGraph* jsgraph, const JSHeapBroker* js_heap_broker) + : AdvancedReducer(editor), + jsgraph_(jsgraph), + js_heap_broker_(js_heap_broker) {} ConstantFoldingReducer::~ConstantFoldingReducer() {} Reduction ConstantFoldingReducer::Reduce(Node* node) { + DisallowHeapAccess no_heap_access; // Check if the output type is a singleton. In that case we already know the // result value and can simply replace the node if it's eliminable. if (!NodeProperties::IsConstant(node) && NodeProperties::IsTyped(node) && @@ -33,10 +37,11 @@ Reduction ConstantFoldingReducer::Reduce(Node* node) { if (!upper.IsNone()) { Node* replacement = nullptr; if (upper.IsHeapConstant()) { - replacement = jsgraph()->Constant(upper.AsHeapConstant()->Value()); + replacement = jsgraph()->Constant(upper.AsHeapConstant()->Ref()); } else if (upper.Is(Type::MinusZero())) { Factory* factory = jsgraph()->isolate()->factory(); - replacement = jsgraph()->Constant(factory->minus_zero_value()); + ObjectRef minus_zero(js_heap_broker(), factory->minus_zero_value()); + replacement = jsgraph()->Constant(minus_zero); } else if (upper.Is(Type::NaN())) { replacement = jsgraph()->NaNConstant(); } else if (upper.Is(Type::Null())) { |