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Unified Diff: src/x64/full-codegen-x64.cc

Issue 78493002: MaterializedLiteral expressions need to cache expression depth. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Updated with feedback from Ulan. Created 7 years, 1 month ago
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Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 8947e2f84c045e795cec832103ca3c0af43dc0c9..71b54680f2035d352122fe631018cdd09b8590cc 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -1596,8 +1596,7 @@ void FullCodeGenerator::EmitAccessor(Expression* expression) {
void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
Comment cmnt(masm_, "[ ObjectLiteral");
- int depth = 1;
- expr->BuildConstantProperties(isolate(), &depth);
+ expr->BuildConstantProperties(isolate());
Handle<FixedArray> constant_properties = expr->constant_properties();
int flags = expr->fast_elements()
? ObjectLiteral::kFastElements
@@ -1607,7 +1606,7 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
: ObjectLiteral::kNoFlags;
int properties_count = constant_properties->length() / 2;
if ((FLAG_track_double_fields && expr->may_store_doubles()) ||
- depth > 1 || Serializer::enabled() ||
+ expr->depth() > 1 || Serializer::enabled() ||
flags != ObjectLiteral::kFastElements ||
properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) {
__ movq(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
@@ -1726,8 +1725,7 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
Comment cmnt(masm_, "[ ArrayLiteral");
- int depth = 1;
- expr->BuildConstantElements(isolate(), &depth);
+ expr->BuildConstantElements(isolate());
ZoneList<Expression*>* subexprs = expr->values();
int length = subexprs->length();
Handle<FixedArray> constant_elements = expr->constant_elements();
@@ -1754,7 +1752,7 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
DONT_TRACK_ALLOCATION_SITE,
length);
__ CallStub(&stub);
- } else if (depth > 1 || Serializer::enabled() ||
+ } else if (expr->depth() > 1 || Serializer::enabled() ||
length > FastCloneShallowArrayStub::kMaximumClonedLength) {
__ movq(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
__ push(FieldOperand(rbx, JSFunction::kLiteralsOffset));
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