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Unified Diff: src/hydrogen.h

Issue 57123002: Reland 21774: Generate KeyedLoadGeneric with Hydrogen (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix GC Mole Created 6 years, 6 months ago
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Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 818569b0919b0441bcb7a8f68b139c346e0d590c..9260b58cd38a2cfa6a89cb0be39bee81f0e45d88 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1309,6 +1309,16 @@ class HGraphBuilder {
HBasicBlock* CreateBasicBlock(HEnvironment* env);
HBasicBlock* CreateLoopHeaderBlock();
+ template <class BitFieldClass>
+ HValue* BuildDecodeField(HValue* encoded_field) {
+ HValue* shifted_field = AddUncasted<HShr>(encoded_field,
+ Add<HConstant>(static_cast<int>(BitFieldClass::kShift)));
+ HValue* mask_value = Add<HConstant>(static_cast<int>(BitFieldClass::kMask));
+ return AddUncasted<HBitwise>(Token::BIT_AND, shifted_field, mask_value);
+ }
+
+ HValue* BuildGetElementsKind(HValue* object);
+
HValue* BuildCheckHeapObject(HValue* object);
HValue* BuildCheckString(HValue* string);
HValue* BuildWrapReceiver(HValue* object, HValue* function);
@@ -1335,8 +1345,32 @@ class HGraphBuilder {
HValue* BuildNumberToString(HValue* object, Type* type);
+ void BuildJSObjectCheck(HValue* receiver,
+ int bit_field_mask);
+
+ // Checks a key value that's being used for a keyed element access context. If
+ // the key is a index, i.e. a smi or a number in a unique string with a cached
+ // numeric value, the "true" of the continuation is joined. Otherwise,
+ // if the key is a name or a unique string, the "false" of the continuation is
+ // joined. Otherwise, a deoptimization is triggered. In both paths of the
+ // continuation, the key is pushed on the top of the environment.
+ void BuildKeyedIndexCheck(HValue* key,
+ HIfContinuation* join_continuation);
+
+ // Checks the properties of an object if they are in dictionary case, in which
+ // case "true" of continuation is taken, otherwise the "false"
+ void BuildTestForDictionaryProperties(HValue* object,
+ HIfContinuation* continuation);
+
+ void BuildNonGlobalObjectCheck(HValue* receiver);
+
+ HValue* BuildKeyedLookupCacheHash(HValue* object,
+ HValue* key);
+
HValue* BuildUncheckedDictionaryElementLoad(HValue* receiver,
- HValue* key);
+ HValue* elements,
+ HValue* key,
+ HValue* hash);
HValue* BuildRegExpConstructResult(HValue* length,
HValue* index,
@@ -1674,6 +1708,27 @@ class HGraphBuilder {
bool finished_;
};
+ template <class A, class P1>
+ void DeoptimizeIf(P1 p1, char* const reason) {
+ IfBuilder builder(this);
+ builder.If<A>(p1);
+ builder.ThenDeopt(reason);
+ }
+
+ template <class A, class P1, class P2>
+ void DeoptimizeIf(P1 p1, P2 p2, const char* reason) {
+ IfBuilder builder(this);
+ builder.If<A>(p1, p2);
+ builder.ThenDeopt(reason);
+ }
+
+ template <class A, class P1, class P2, class P3>
+ void DeoptimizeIf(P1 p1, P2 p2, P3 p3, const char* reason) {
+ IfBuilder builder(this);
+ builder.If<A>(p1, p2, p3);
+ builder.ThenDeopt(reason);
+ }
+
HValue* BuildNewElementsCapacity(HValue* old_capacity);
class JSArrayBuilder V8_FINAL {
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