diff options
Diffstat (limited to 'js/src/jit/IonBuilder.cpp')
-rw-r--r-- | js/src/jit/IonBuilder.cpp | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/js/src/jit/IonBuilder.cpp b/js/src/jit/IonBuilder.cpp index e98a4056e6..2d053de5af 100644 --- a/js/src/jit/IonBuilder.cpp +++ b/js/src/jit/IonBuilder.cpp @@ -1939,6 +1939,7 @@ IonBuilder::inspectOpcode(JSOp op) return jsop_funapply(GET_ARGC(pc)); case JSOP_CALL: + case JSOP_CALL_IGNORES_RV: case JSOP_CALLITER: case JSOP_NEW: case JSOP_SUPERCALL: @@ -1946,7 +1947,8 @@ IonBuilder::inspectOpcode(JSOp op) if (!outermostBuilder()->iterators_.append(current->peek(-1))) return false; } - return jsop_call(GET_ARGC(pc), (JSOp)*pc == JSOP_NEW || (JSOp)*pc == JSOP_SUPERCALL); + return jsop_call(GET_ARGC(pc), (JSOp)*pc == JSOP_NEW || (JSOp)*pc == JSOP_SUPERCALL, + (JSOp)*pc == JSOP_CALL_IGNORES_RV); case JSOP_EVAL: case JSOP_STRICTEVAL: @@ -5874,7 +5876,7 @@ IonBuilder::inlineGenericFallback(JSFunction* target, CallInfo& callInfo, MBasic return false; // Create a new CallInfo to track modified state within this block. - CallInfo fallbackInfo(alloc(), callInfo.constructing()); + CallInfo fallbackInfo(alloc(), callInfo.constructing(), callInfo.ignoresReturnValue()); if (!fallbackInfo.init(callInfo)) return false; fallbackInfo.popFormals(fallbackBlock); @@ -5913,7 +5915,7 @@ IonBuilder::inlineObjectGroupFallback(CallInfo& callInfo, MBasicBlock* dispatchB MOZ_ASSERT(cache->idempotent()); // Create a new CallInfo to track modified state within the fallback path. - CallInfo fallbackInfo(alloc(), callInfo.constructing()); + CallInfo fallbackInfo(alloc(), callInfo.constructing(), callInfo.ignoresReturnValue()); if (!fallbackInfo.init(callInfo)) return false; @@ -6089,7 +6091,7 @@ IonBuilder::inlineCalls(CallInfo& callInfo, const ObjectVector& targets, BoolVec inlineBlock->rewriteSlot(funIndex, funcDef); // Create a new CallInfo to track modified state within the inline block. - CallInfo inlineInfo(alloc(), callInfo.constructing()); + CallInfo inlineInfo(alloc(), callInfo.constructing(), callInfo.ignoresReturnValue()); if (!inlineInfo.init(callInfo)) return false; inlineInfo.popFormals(inlineBlock); @@ -6538,7 +6540,8 @@ IonBuilder::jsop_funcall(uint32_t argc) TemporaryTypeSet* calleeTypes = current->peek(calleeDepth)->resultTypeSet(); JSFunction* native = getSingleCallTarget(calleeTypes); if (!native || !native->isNative() || native->native() != &fun_call) { - CallInfo callInfo(alloc(), false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!callInfo.init(current, argc)) return false; return makeCall(native, callInfo); @@ -6563,7 +6566,8 @@ IonBuilder::jsop_funcall(uint32_t argc) argc -= 1; } - CallInfo callInfo(alloc(), false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!callInfo.init(current, argc)) return false; @@ -6600,7 +6604,8 @@ IonBuilder::jsop_funapply(uint32_t argc) TemporaryTypeSet* calleeTypes = current->peek(calleeDepth)->resultTypeSet(); JSFunction* native = getSingleCallTarget(calleeTypes); if (argc != 2 || info().analysisMode() == Analysis_ArgumentsUsage) { - CallInfo callInfo(alloc(), false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!callInfo.init(current, argc)) return false; return makeCall(native, callInfo); @@ -6629,7 +6634,8 @@ IonBuilder::jsop_funapply(uint32_t argc) return jsop_funapplyarray(argc); } - CallInfo callInfo(alloc(), false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!callInfo.init(current, argc)) return false; return makeCall(native, callInfo); @@ -6738,7 +6744,8 @@ IonBuilder::jsop_funapplyarguments(uint32_t argc) // can inline the apply() target and don't care about the actual arguments // that were passed in. - CallInfo callInfo(alloc(), false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); // Vp MDefinition* vp = current->pop(); @@ -6784,7 +6791,7 @@ IonBuilder::jsop_funapplyarguments(uint32_t argc) } bool -IonBuilder::jsop_call(uint32_t argc, bool constructing) +IonBuilder::jsop_call(uint32_t argc, bool constructing, bool ignoresReturnValue) { startTrackingOptimizations(); @@ -6810,7 +6817,7 @@ IonBuilder::jsop_call(uint32_t argc, bool constructing) if (calleeTypes && !getPolyCallTargets(calleeTypes, constructing, targets, 4)) return false; - CallInfo callInfo(alloc(), constructing); + CallInfo callInfo(alloc(), constructing, ignoresReturnValue); if (!callInfo.init(current, argc)) return false; @@ -6946,7 +6953,8 @@ IonBuilder::makeCallHelper(JSFunction* target, CallInfo& callInfo) } MCall* call = MCall::New(alloc(), target, targetArgs + 1 + callInfo.constructing(), - callInfo.argc(), callInfo.constructing(), isDOMCall); + callInfo.argc(), callInfo.constructing(), + callInfo.ignoresReturnValue(), isDOMCall); if (!call) return nullptr; @@ -7047,7 +7055,7 @@ IonBuilder::jsop_eval(uint32_t argc) // Emit a normal call if the eval has never executed. This keeps us from // disabling compilation for the script when testing with --ion-eager. if (calleeTypes && calleeTypes->empty()) - return jsop_call(argc, /* constructing = */ false); + return jsop_call(argc, /* constructing = */ false, false); JSFunction* singleton = getSingleCallTarget(calleeTypes); if (!singleton) @@ -7063,7 +7071,8 @@ IonBuilder::jsop_eval(uint32_t argc) if (info().funMaybeLazy()->isArrow()) return abort("Direct eval from arrow function"); - CallInfo callInfo(alloc(), /* constructing = */ false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!callInfo.init(current, argc)) return false; callInfo.setImplicitlyUsedUnchecked(); @@ -7102,7 +7111,8 @@ IonBuilder::jsop_eval(uint32_t argc) current->push(dynamicName); current->push(constant(UndefinedValue())); // thisv - CallInfo evalCallInfo(alloc(), /* constructing = */ false); + CallInfo evalCallInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!evalCallInfo.init(current, /* argc = */ 0)) return false; @@ -7119,7 +7129,7 @@ IonBuilder::jsop_eval(uint32_t argc) return resumeAfter(ins) && pushTypeBarrier(ins, types, BarrierKind::TypeSet); } - return jsop_call(argc, /* constructing = */ false); + return jsop_call(argc, /* constructing = */ false, false); } bool @@ -12001,7 +12011,8 @@ IonBuilder::getPropTryCommonGetter(bool* emitted, MDefinition* obj, PropertyName current->push(obj); - CallInfo callInfo(alloc(), false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!callInfo.init(current, 0)) return false; @@ -12496,7 +12507,8 @@ IonBuilder::setPropTryCommonSetter(bool* emitted, MDefinition* obj, // Call the setter. Note that we have to push the original value, not // the setter's return value. - CallInfo callInfo(alloc(), false); + CallInfo callInfo(alloc(), /* constructing = */ false, + /* ignoresReturnValue = */ BytecodeIsPopped(pc)); if (!callInfo.init(current, 1)) return false; |