13 #include "src/compiler/node-matchers.h"
14 #include "src/compiler/node-properties.h"
27 Reduction JSIntrinsicLowering::Reduce(Node* node) {
28   if (node->opcode() != IrOpcode::kJSCallRuntime) return NoChange();
30       Runtime::FunctionForId(CallRuntimeParametersOf(node->op()).id());
34       return ReduceCreateIterResultObject(node);
36       return ReduceDeoptimizeNow(node);
38       return ReduceGeneratorClose(node);
40       return ReduceGeneratorGetInputOrDebugPos(node);
42       return ReduceGeneratorGetResumeMode(node);
44       return ReduceIsInstanceType(node, JS_ARRAY_TYPE);
46       return ReduceIsInstanceType(node, JS_TYPED_ARRAY_TYPE);
48       return ReduceIsInstanceType(node, JS_REGEXP_TYPE);
50       return ReduceIsJSReceiver(node);
52       return ReduceIsSmi(node);
54       return ReduceFixedArrayGet(node);
56       return ReduceFixedArraySet(node);
58       return ReduceRegExpExec(node);
60       return ReduceSubString(node);
62       return ReduceToInteger(node);
64       return ReduceToLength(node);
66       return ReduceToNumber(node);
68       return ReduceToObject(node);
70       return ReduceToString(node);
72       return ReduceCall(node);
74       return ReduceNewObject(node);
76       return ReduceGetSuperConstructor(node);
84 Reduction JSIntrinsicLowering::ReduceCreateIterResultObject(Node* node) {
85   Node* const value = NodeProperties::GetValueInput(node, 0);
86   Node* const done = NodeProperties::GetValueInput(node, 1);
87   Node* const context = NodeProperties::GetContextInput(node);
88   Node* const effect = NodeProperties::GetEffectInput(node);
89   return Change(node, javascript()->CreateIterResultObject(), value, done,
94 Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) {
96   Node* const frame_state = NodeProperties::GetFrameStateInput(node);
97   Node* const effect = NodeProperties::GetEffectInput(node);
98   Node* const control = NodeProperties::GetControlInput(node);
107   node->TrimInputCount(0);
108   NodeProperties::ChangeOp(node, common()->Dead());
109   return Changed(node);
112 Reduction JSIntrinsicLowering::ReduceGeneratorClose(Node* node) {
113   Node* const generator = NodeProperties::GetValueInput(node, 0);
114   Node* const effect = NodeProperties::GetEffectInput(node);
115   Node* const control = NodeProperties::GetControlInput(node);
121   ReplaceWithValue(node, undefined, node);
122   NodeProperties::RemoveType(node);
123   return Change(node, op, generator, closed, effect, control);
126 Reduction JSIntrinsicLowering::ReduceGeneratorGetInputOrDebugPos(Node* node) {
127   Node* const generator = NodeProperties::GetValueInput(node, 0);
128   Node* const effect = NodeProperties::GetEffectInput(node);
129   Node* const control = NodeProperties::GetControlInput(node);
133   return Change(node, op, generator, effect, control);
136 Reduction JSIntrinsicLowering::ReduceGeneratorGetResumeMode(Node* node) {
137   Node* const generator = NodeProperties::GetValueInput(node, 0);
138   Node* const effect = NodeProperties::GetEffectInput(node);
139   Node* const control = NodeProperties::GetControlInput(node);
143   return Change(node, op, generator, effect, control);
147     Node* node, InstanceType instance_type) {
153   Node* value = NodeProperties::GetValueInput(node, 0);
154   Node* effect = NodeProperties::GetEffectInput(node);
155   Node* control = NodeProperties::GetControlInput(node);
175   // Replace all effect uses of {node} with the {ephi}.
177   ReplaceWithValue(node, node, ephi);
179   // Turn the {node} into a Phi.
180   return Change(node, common()->Phi(MachineRepresentation::kTagged, 2), vtrue,
185 Reduction JSIntrinsicLowering::ReduceIsJSReceiver(Node* node) {
186   return Change(node, simplified()->ObjectIsReceiver());
190 Reduction JSIntrinsicLowering::ReduceIsSmi(Node* node) {
191   return Change(node, simplified()->ObjectIsSmi());
195 Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op) {
196   // Replace all effect uses of {node} with the effect dependency.
197   RelaxEffectsAndControls(node);
199   NodeProperties::RemoveNonValueInputs(node);
201   NodeProperties::ChangeOp(node, op);
202   return Changed(node);
206 Reduction JSIntrinsicLowering::ReduceFixedArrayGet(Node* node) {
207   Node* base = node->InputAt(0);
208   Node* index = node->InputAt(1);
209   Node* effect = NodeProperties::GetEffectInput(node);
210   Node* control = NodeProperties::GetControlInput(node);
212       node, simplified()->LoadElement(AccessBuilder::ForFixedArrayElement()),
217 Reduction JSIntrinsicLowering::ReduceFixedArraySet(Node* node) {
218   Node* base = node->InputAt(0);
219   Node* index = node->InputAt(1);
220   Node* value = node->InputAt(2);
221   Node* effect = NodeProperties::GetEffectInput(node);
222   Node* control = NodeProperties::GetControlInput(node);
226   ReplaceWithValue(node, value, store);
231 Reduction JSIntrinsicLowering::ReduceRegExpExec(Node* node) {
232   return Change(node, CodeFactory::RegExpExec(isolate()), 4);
236 Reduction JSIntrinsicLowering::ReduceSubString(Node* node) {
237   return Change(node, CodeFactory::SubString(isolate()), 3);
241 Reduction JSIntrinsicLowering::ReduceToInteger(Node* node) {
242   NodeProperties::ChangeOp(node, javascript()->ToInteger());
243   return Changed(node);
247 Reduction JSIntrinsicLowering::ReduceToNumber(Node* node) {
248   NodeProperties::ChangeOp(node, javascript()->ToNumber());
249   return Changed(node);
253 Reduction JSIntrinsicLowering::ReduceToLength(Node* node) {
254   NodeProperties::ChangeOp(node, javascript()->ToLength());
255   return Changed(node);
259 Reduction JSIntrinsicLowering::ReduceToObject(Node* node) {
260   NodeProperties::ChangeOp(node, javascript()->ToObject());
261   return Changed(node);
265 Reduction JSIntrinsicLowering::ReduceToString(Node* node) {
266   NodeProperties::ChangeOp(node, javascript()->ToString());
267   return Changed(node);
271 Reduction JSIntrinsicLowering::ReduceCall(Node* node) {
272   size_t const arity = CallRuntimeParametersOf(node->op()).arity();
274       node, javascript()->CallFunction(arity, 0.0f, VectorSlotPair(),
277   return Changed(node);
280 Reduction JSIntrinsicLowering::ReduceNewObject(Node* node) {
281   return Change(node, CodeFactory::FastNewObject(isolate()), 0);
284 Reduction JSIntrinsicLowering::ReduceGetSuperConstructor(Node* node) {
285   Node* active_function = NodeProperties::GetValueInput(node, 0);
286   Node* effect = NodeProperties::GetEffectInput(node);
287   Node* control = NodeProperties::GetControlInput(node);
291   return Change(node, simplified()->LoadField(AccessBuilder::ForMapPrototype()),
295 Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a,
297   RelaxControls(node);
298   node->ReplaceInput(0, a);
299   node->ReplaceInput(1, b);
300   node->TrimInputCount(2);
301   NodeProperties::ChangeOp(node, op);
302   return Changed(node);
306 Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a,
308   RelaxControls(node);
309   node->ReplaceInput(0, a);
310   node->ReplaceInput(1, b);
311   node->ReplaceInput(2, c);
312   node->TrimInputCount(3);
313   NodeProperties::ChangeOp(node, op);
314   return Changed(node);
318 Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a,
320   RelaxControls(node);
321   node->ReplaceInput(0, a);
322   node->ReplaceInput(1, b);
323   node->ReplaceInput(2, c);
324   node->ReplaceInput(3, d);
325   node->TrimInputCount(4);
326   NodeProperties::ChangeOp(node, op);
327   return Changed(node);
331 Reduction JSIntrinsicLowering::Change(Node* node, Callable const& callable,
335       CallDescriptor::kNeedsFrameState, node->op()->properties());
336   node->InsertInput(graph()->zone(), 0,
338   NodeProperties::ChangeOp(node, common()->Call(desc));
339   return Changed(node);

Indexes created Sun Sep 10 09:05:34 CEST 2017