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authorFedor Indutny <fedor.indutny@gmail.com>2014-03-13 20:45:44 +0400
committerFedor Indutny <fedor.indutny@gmail.com>2014-03-13 20:56:54 +0400
commit1c7bf245dc2d520c005e01bcb56ecb3275971395 (patch)
tree34d8160c98bd8dd33757252d87a0f6586fea8213 /deps/v8/src/typing.h
parent93c3674ff7115fb2a3dbb5b4ffd22f4d5ed9a472 (diff)
downloadnode-new-1c7bf245dc2d520c005e01bcb56ecb3275971395.tar.gz
deps: update v8 to 3.24.40
Diffstat (limited to 'deps/v8/src/typing.h')
-rw-r--r--deps/v8/src/typing.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/deps/v8/src/typing.h b/deps/v8/src/typing.h
index c942b00632..0517812ec3 100644
--- a/deps/v8/src/typing.h
+++ b/deps/v8/src/typing.h
@@ -58,6 +58,9 @@ class AstTyper: public AstVisitor {
private:
explicit AstTyper(CompilationInfo* info);
+ Effect ObservedOnStack(Object* value);
+ void ObserveTypesAtOsrEntry(IterationStatement* stmt);
+
static const int kNoVar = INT_MIN;
typedef v8::internal::Effects<int, kNoVar> Effects;
typedef v8::internal::NestedEffects<int, kNoVar> Store;
@@ -67,13 +70,12 @@ class AstTyper: public AstVisitor {
Store store_;
TypeFeedbackOracle* oracle() { return &oracle_; }
- Zone* zone() const { return info_->zone(); }
void NarrowType(Expression* e, Bounds b) {
- e->set_bounds(Bounds::Both(e->bounds(), b, isolate_));
+ e->set_bounds(Bounds::Both(e->bounds(), b, zone()));
}
- void NarrowLowerType(Expression* e, Handle<Type> t) {
- e->set_bounds(Bounds::NarrowLower(e->bounds(), t, isolate_));
+ void NarrowLowerType(Expression* e, Type* t) {
+ e->set_bounds(Bounds::NarrowLower(e->bounds(), t, zone()));
}
Effects EnterEffects() {
@@ -82,9 +84,15 @@ class AstTyper: public AstVisitor {
}
void ExitEffects() { store_ = store_.Pop(); }
+ int parameter_index(int index) { return -index - 2; }
+ int stack_local_index(int index) { return index; }
+
int variable_index(Variable* var) {
- return var->IsStackLocal() ? var->index() :
- var->IsParameter() ? -var->index() : kNoVar;
+ // Stack locals have the range [0 .. l]
+ // Parameters have the range [-1 .. p]
+ // We map this to [-p-2 .. -1, 0 .. l]
+ return var->IsStackLocal() ? stack_local_index(var->index()) :
+ var->IsParameter() ? parameter_index(var->index()) : kNoVar;
}
void VisitDeclarations(ZoneList<Declaration*>* declarations);