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Unified Diff: src/compiler/js-generic-lowering.cc

Issue 453383002: More lazy deoptimization in Turbofan (binops, loads/stores) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Attempt to fix the 64-bit Windows build Created 6 years, 4 months ago
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Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index 699f7dd60569f8f6abe14767b1ca9325849ace9b..68cc1cea9053358bbd5a065647e8300b83bdc56e 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -292,6 +292,14 @@ REPLACE_UNIMPLEMENTED(JSDebugger)
#undef REPLACE_UNIMPLEMENTED
+static CallDescriptor::DeoptimizationSupport DeoptimizationSupportForNode(
+ Node* node) {
+ return OperatorProperties::CanLazilyDeoptimize(node->op())
+ ? CallDescriptor::kCanDeoptimize
+ : CallDescriptor::kCannotDeoptimize;
+}
+
+
void JSGenericLowering::ReplaceWithCompareIC(Node* node, Token::Value token,
bool pure) {
BinaryOpICStub stub(isolate(), Token::ADD); // TODO(mstarzinger): Hack.
@@ -324,7 +332,8 @@ void JSGenericLowering::ReplaceWithCompareIC(Node* node, Token::Value token,
void JSGenericLowering::ReplaceWithICStubCall(Node* node,
HydrogenCodeStub* stub) {
CodeStubInterfaceDescriptor* d = stub->GetInterfaceDescriptor();
- CallDescriptor* desc = linkage()->GetStubCallDescriptor(d);
+ CallDescriptor* desc = linkage()->GetStubCallDescriptor(
+ d, 0, DeoptimizationSupportForNode(node));
Node* stub_code = CodeConstant(stub->GetCode());
PatchInsertInput(node, 0, stub_code);
PatchOperator(node, common()->Call(desc));
@@ -355,12 +364,8 @@ void JSGenericLowering::ReplaceWithRuntimeCall(Node* node,
Operator::Property props = node->op()->properties();
const Runtime::Function* fun = Runtime::FunctionForId(f);
int nargs = (nargs_override < 0) ? fun->nargs : nargs_override;
- CallDescriptor::DeoptimizationSupport deopt =
- OperatorProperties::CanLazilyDeoptimize(node->op())
- ? CallDescriptor::kCanDeoptimize
- : CallDescriptor::kCannotDeoptimize;
- CallDescriptor* desc =
- linkage()->GetRuntimeCallDescriptor(f, nargs, props, deopt);
+ CallDescriptor* desc = linkage()->GetRuntimeCallDescriptor(
+ f, nargs, props, DeoptimizationSupportForNode(node));
Node* ref = ExternalConstant(ExternalReference(f, isolate()));
Node* arity = Int32Constant(nargs);
if (!centrystub_constant_.is_set()) {
@@ -508,7 +513,8 @@ Node* JSGenericLowering::LowerJSCallConstruct(Node* node) {
int arity = OpParameter<int>(node);
CallConstructStub stub(isolate(), NO_CALL_CONSTRUCTOR_FLAGS);
CodeStubInterfaceDescriptor* d = GetInterfaceDescriptor(isolate(), &stub);
- CallDescriptor* desc = linkage()->GetStubCallDescriptor(d, arity);
+ CallDescriptor* desc = linkage()->GetStubCallDescriptor(
+ d, arity, DeoptimizationSupportForNode(node));
Node* stub_code = CodeConstant(stub.GetCode());
Node* construct = NodeProperties::GetValueInput(node, 0);
PatchInsertInput(node, 0, stub_code);
@@ -524,7 +530,8 @@ Node* JSGenericLowering::LowerJSCallFunction(Node* node) {
CallParameters p = OpParameter<CallParameters>(node);
CallFunctionStub stub(isolate(), p.arity - 2, p.flags);
CodeStubInterfaceDescriptor* d = GetInterfaceDescriptor(isolate(), &stub);
- CallDescriptor* desc = linkage()->GetStubCallDescriptor(d, p.arity - 1);
+ CallDescriptor* desc = linkage()->GetStubCallDescriptor(
+ d, p.arity - 1, DeoptimizationSupportForNode(node));
Node* stub_code = CodeConstant(stub.GetCode());
PatchInsertInput(node, 0, stub_code);
PatchOperator(node, common()->Call(desc));
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