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-rw-r--r--js/src/jit/BaselineInspector.cpp79
1 files changed, 12 insertions, 67 deletions
diff --git a/js/src/jit/BaselineInspector.cpp b/js/src/jit/BaselineInspector.cpp
index c9e09bed7..3b852debf 100644
--- a/js/src/jit/BaselineInspector.cpp
+++ b/js/src/jit/BaselineInspector.cpp
@@ -96,32 +96,19 @@ VectorAppendNoDuplicate(S& list, T value)
static bool
AddReceiver(const ReceiverGuard& receiver,
- BaselineInspector::ReceiverVector& receivers,
- BaselineInspector::ObjectGroupVector& convertUnboxedGroups)
+ BaselineInspector::ReceiverVector& receivers)
{
- if (receiver.group && receiver.group->maybeUnboxedLayout()) {
- if (receiver.group->unboxedLayout().nativeGroup())
- return VectorAppendNoDuplicate(convertUnboxedGroups, receiver.group);
- }
return VectorAppendNoDuplicate(receivers, receiver);
}
static bool
GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* receiver)
{
- // We match either:
+ // We match:
//
// GuardIsObject 0
// GuardShape 0
// LoadFixedSlotResult 0 or LoadDynamicSlotResult 0
- //
- // or
- //
- // GuardIsObject 0
- // GuardGroup 0
- // 1: GuardAndLoadUnboxedExpando 0
- // GuardShape 1
- // LoadFixedSlotResult 1 or LoadDynamicSlotResult 1
*receiver = ReceiverGuard();
CacheIRReader reader(stub->stubInfo());
@@ -130,14 +117,6 @@ GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* re
if (!reader.matchOp(CacheOp::GuardIsObject, objId))
return false;
- if (reader.matchOp(CacheOp::GuardGroup, objId)) {
- receiver->group = stub->stubInfo()->getStubField<ObjectGroup*>(stub, reader.stubOffset());
-
- if (!reader.matchOp(CacheOp::GuardAndLoadUnboxedExpando, objId))
- return false;
- objId = reader.objOperandId();
- }
-
if (reader.matchOp(CacheOp::GuardShape, objId)) {
receiver->shape = stub->stubInfo()->getStubField<Shape*>(stub, reader.stubOffset());
return reader.matchOpEither(CacheOp::LoadFixedSlotResult, CacheOp::LoadDynamicSlotResult);
@@ -146,40 +125,13 @@ GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* re
return false;
}
-static bool
-GetCacheIRReceiverForUnboxedProperty(ICCacheIR_Monitored* stub, ReceiverGuard* receiver)
-{
- // We match:
- //
- // GuardIsObject 0
- // GuardGroup 0
- // LoadUnboxedPropertyResult 0 ..
-
- *receiver = ReceiverGuard();
- CacheIRReader reader(stub->stubInfo());
-
- ObjOperandId objId = ObjOperandId(0);
- if (!reader.matchOp(CacheOp::GuardIsObject, objId))
- return false;
-
- if (!reader.matchOp(CacheOp::GuardGroup, objId))
- return false;
- receiver->group = stub->stubInfo()->getStubField<ObjectGroup*>(stub, reader.stubOffset());
-
- return reader.matchOp(CacheOp::LoadUnboxedPropertyResult, objId);
-}
-
bool
-BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receivers,
- ObjectGroupVector& convertUnboxedGroups)
+BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receivers)
{
// Return a list of the receivers seen by the baseline IC for the current
// op. Empty lists indicate no receivers are known, or there was an
- // uncacheable access. convertUnboxedGroups is used for unboxed object
- // groups which have been seen, but have had instances converted to native
- // objects and should be eagerly converted by Ion.
+ // uncacheable access.
MOZ_ASSERT(receivers.empty());
- MOZ_ASSERT(convertUnboxedGroups.empty());
if (!hasBaselineScript())
return true;
@@ -191,8 +143,7 @@ BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receiv
while (stub->next()) {
ReceiverGuard receiver;
if (stub->isCacheIR_Monitored()) {
- if (!GetCacheIRReceiverForNativeReadSlot(stub->toCacheIR_Monitored(), &receiver) &&
- !GetCacheIRReceiverForUnboxedProperty(stub->toCacheIR_Monitored(), &receiver))
+ if (!GetCacheIRReceiverForNativeReadSlot(stub->toCacheIR_Monitored(), &receiver))
{
receivers.clear();
return true;
@@ -200,14 +151,12 @@ BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receiv
} else if (stub->isSetProp_Native()) {
receiver = ReceiverGuard(stub->toSetProp_Native()->group(),
stub->toSetProp_Native()->shape());
- } else if (stub->isSetProp_Unboxed()) {
- receiver = ReceiverGuard(stub->toSetProp_Unboxed()->group(), nullptr);
} else {
receivers.clear();
return true;
}
- if (!AddReceiver(receiver, receivers, convertUnboxedGroups))
+ if (!AddReceiver(receiver, receivers))
return false;
stub = stub->next();
@@ -589,7 +538,7 @@ BaselineInspector::getTemplateObjectForNative(jsbytecode* pc, Native native)
bool
BaselineInspector::isOptimizableCallStringSplit(jsbytecode* pc, JSString** strOut, JSString** sepOut,
- JSObject** objOut)
+ ArrayObject** objOut)
{
if (!hasBaselineScript())
return false;
@@ -700,14 +649,12 @@ bool
BaselineInspector::commonGetPropFunction(jsbytecode* pc, JSObject** holder, Shape** holderShape,
JSFunction** commonGetter, Shape** globalShape,
bool* isOwnProperty,
- ReceiverVector& receivers,
- ObjectGroupVector& convertUnboxedGroups)
+ ReceiverVector& receivers)
{
if (!hasBaselineScript())
return false;
MOZ_ASSERT(receivers.empty());
- MOZ_ASSERT(convertUnboxedGroups.empty());
*holder = nullptr;
const ICEntry& entry = icEntryFromPC(pc);
@@ -719,7 +666,7 @@ BaselineInspector::commonGetPropFunction(jsbytecode* pc, JSObject** holder, Shap
{
ICGetPropCallGetter* nstub = static_cast<ICGetPropCallGetter*>(stub);
bool isOwn = nstub->isOwnGetter();
- if (!isOwn && !AddReceiver(nstub->receiverGuard(), receivers, convertUnboxedGroups))
+ if (!isOwn && !AddReceiver(nstub->receiverGuard(), receivers))
return false;
if (!*holder) {
@@ -751,21 +698,19 @@ BaselineInspector::commonGetPropFunction(jsbytecode* pc, JSObject** holder, Shap
if (!*holder)
return false;
- MOZ_ASSERT(*isOwnProperty == (receivers.empty() && convertUnboxedGroups.empty()));
+ MOZ_ASSERT(*isOwnProperty == (receivers.empty()));
return true;
}
bool
BaselineInspector::commonSetPropFunction(jsbytecode* pc, JSObject** holder, Shape** holderShape,
JSFunction** commonSetter, bool* isOwnProperty,
- ReceiverVector& receivers,
- ObjectGroupVector& convertUnboxedGroups)
+ ReceiverVector& receivers)
{
if (!hasBaselineScript())
return false;
MOZ_ASSERT(receivers.empty());
- MOZ_ASSERT(convertUnboxedGroups.empty());
*holder = nullptr;
const ICEntry& entry = icEntryFromPC(pc);
@@ -774,7 +719,7 @@ BaselineInspector::commonSetPropFunction(jsbytecode* pc, JSObject** holder, Shap
if (stub->isSetProp_CallScripted() || stub->isSetProp_CallNative()) {
ICSetPropCallSetter* nstub = static_cast<ICSetPropCallSetter*>(stub);
bool isOwn = nstub->isOwnSetter();
- if (!isOwn && !AddReceiver(nstub->receiverGuard(), receivers, convertUnboxedGroups))
+ if (!isOwn && !AddReceiver(nstub->receiverGuard(), receivers))
return false;
if (!*holder) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-23 08:56:59 +0000