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[INFER] Analysis and compiler improvements for polymorphic call sites, bug 653962.

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This commit is contained in:
Brian Hackett
2011-05-20 19:33:06 -07:00
parent 08ad523bc4
commit f298136568
13 changed files with 430 additions and 195 deletions
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77
js/src/jsarray.cpp
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@@ -3222,14 +3222,9 @@ array_TypeSort(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite)
{
TypeCallsite *site = Valueify(jssite);
if (!site->forceThisTypes(cx))
return;
if (site->returnTypes) {
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addSubset(cx, site->script, site->returnTypes);
}
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addSubset(cx, site->script, site->returnTypes);
}
static void
@@ -3237,15 +3232,10 @@ array_TypeInsert(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite)
{
TypeCallsite *site = Valueify(jssite);
if (site->returnTypes) {
/* The return type is an integer (array length). */
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->returnTypes->addType(cx, TYPE_INT32);
}
if (!site->forceThisTypes(cx))
return;
/* The return type is an integer (array length). */
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->returnTypes->addType(cx, TYPE_INT32);
for (size_t ind = 0; ind < site->argumentCount; ind++) {
site->thisTypes->addSetProperty(cx, site->script, site->pc,
@@ -3258,14 +3248,8 @@ array_TypeRemove(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite)
{
TypeCallsite *site = Valueify(jssite);
if (!site->returnTypes)
return;
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
if (!site->forceThisTypes(cx))
return;
site->thisTypes->addGetProperty(cx, site->script, site->pc, site->returnTypes, JSID_VOID);
}
@@ -3274,15 +3258,10 @@ array_TypeSplice(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite)
{
TypeCallsite *site = Valueify(jssite);
if (!site->forceThisTypes(cx))
return;
if (site->returnTypes) {
/* Treat the returned array the same as the 'this' array. */
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addSubset(cx, site->script, site->returnTypes);
}
/* Treat the returned array the same as the 'this' array. */
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addSubset(cx, site->script, site->returnTypes);
/* All arguments beyond the first two are new array elements. */
for (size_t ind = 2; ind < site->argumentCount; ind++) {
@@ -3297,19 +3276,13 @@ array_TypeConcat(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite)
TypeCallsite *site = Valueify(jssite);
if (!site->hasGlobal()) {
if (site->returnTypes)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->returnTypes->addType(cx, TYPE_UNKNOWN);
return;
}
if (!site->forceThisTypes(cx))
return;
if (site->returnTypes) {
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addSubset(cx, site->script, site->returnTypes);
}
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addSubset(cx, site->script, site->returnTypes);
}
static void
@@ -3317,14 +3290,9 @@ array_TypeSlice(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite)
{
TypeCallsite *site = Valueify(jssite);
if (!site->forceThisTypes(cx))
return;
if (site->returnTypes) {
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addFilterPrimitives(cx, site->script, site->returnTypes, false);
}
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->thisTypes->addFilterPrimitives(cx, site->script, site->returnTypes, false);
}
/* Handler for all higher order array builtins. */
@@ -3334,9 +3302,6 @@ array_TypeExtra(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite,
{
TypeCallsite *site = Valueify(jssite);
if (!site->returnTypes)
return;
if (site->isNew)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
@@ -3504,16 +3469,14 @@ array_TypeNew(JSContext *cx, JSTypeFunction *jsfun, JSTypeCallsite *jssite)
TypeCallsite *site = Valueify(jssite);
if (!site->hasGlobal()) {
if (site->returnTypes)
site->returnTypes->addType(cx, TYPE_UNKNOWN);
site->returnTypes->addType(cx, TYPE_UNKNOWN);
return;
}
TypeObject *object = site->getInitObject(cx, true);
if (!object)
return;
if (site->returnTypes)
site->returnTypes->addType(cx, (jstype) object);
site->returnTypes->addType(cx, (jstype) object);
if (object->unknownProperties())
return;