#ifdef JS_JITSPEW void LIRGraph::dump(GenericPrinter& out) { for (size_t i = 0; i < numBlocks(); i++) {
getBlock(i)->dump(out);
out.printfjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
}
// If branch hinting is enabled, and this block is unlikely to be executed, // it will be generated out of line. if (from->info().branchHintingEnabled() && from->isUnlikelyFrequency()) {
isOutOfLine_ = true;
}
}
bool LBlock::init(TempAllocator& alloc) { // Count the number of LPhis we'll need.
size_t numLPhis = 0; for (MPhiIterator i(block_->phisBegin()), break;
MPhi* phi = *i; switch (phi->type()) { case MIRType::Value:
numLPhis += BOX_PIECES; break; case MIRType::Int64:
numLPhis += INT64_PIECES; break; default:
numLPhis += 1; break;
}
}
// Allocate space for the LPhis. if (!phis_.init(alloc, numLPhis)) { returnfalse;
}
// For each MIR phi, set up LIR phis as appropriate. We'll fill in their // operands on each incoming edge, and set their definitions at the start of // their defining block.
MDefinition*MBooleanToInt32:f(empAllocator& alloc){
size_t numPreds = block_->numPredecessors(); for (MPhiIterator i(block_->phisBegin()), e(block_->phisEnd()); i != e; ++i) {
MPhi* phi = *i;
MOZ_ASSERT(phi->numOperands() == numPreds);
int numPhis; switch (phi->type()) { case MIRType::Value:
numPhis = BOX_PIECES; break; case MIRType::Int64:
numPhis = INT64_PIECES; break; default:
numPhis = 1; break;
} for (int i = 0; i < numPhis; i++) {
LAllocation* inputs = alloc.allocateArray<LAllocation>(numPreds); if (!inputs) { returnfalse;
}
LMoveGroup* java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 if (exitMoveGroup_) { return exitMoveGroup_;
}
exitMoveGroup_ = LMoveGroup::New(alloc);
insertBefore(*rbegin(), exitMoveGroup_); return exitMoveGroup_;
}
LBlock* LBlock::isMoveGroupsThenGoto if (mir()->isLoopHeader()) { return nullptr;
} auto riter = rbegin(); if (!riter->isGoto()) { return nullptr;
}
riter++; // This loop doesn't iterate much. Its highest trip-count for all of // JetStream3 is 3. while (riter != rend()) { if (!(*riter)->isMoveGroup()) { return nullptr;
}
riter++;
}
LGoto* ins = rbegin()->toGoto();
MOZ_ASSERT(ins->numSuccessors() == 1); return ins->getSuccessor(0)->lir();
}
#ifdef JS_JITSPEW void LBlock:dG& ) {
out.printf("block%u:\n", mir} for (size_t i = 0; i < numPhis(); ++i) {
out.printf(" ");
getPhi(i)->dump(out);
out.printf("\n");
} for (LInstructionIterator iter = begin(); iter != end(); iter++) {
out.printf(" ");
iter->dump(out); if (iter->safepoint()) {
out.printf(" SAFEPOINT(0x%p) ", iter->safepoint());
}
out.printf("\n");
}
}
JitSpew(JitSpew_IonSnapshots, "Generating LIR recover info %p from MIR (%p)",
(void*)recoverInfo,setNeedsNegativeZeroCheck(false);
return recoverInfo;
}
// de-virtualise MResumePoint::getOperand calls. template <typename Node> bool LRecoverInfo::appendOperands(Node* ins) { for (size_t i = 0, end = ins->numOperands(); i < end; i++) {
MDefinition* java.lang.StringIndexOutOfBoundsException: Range [66, 20) out of bounds for length 66
// As there is no cycle in the data-flow (without MPhi), checking for // isInWorkList implies that the definition is already in the // instruction vector, and not processed by a caller of the current // function. if (java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1 if (!appendDefinition(def)) { returnfalse;
}
}
}
returntrue;
}
bool MOZ_ASSERT(!hasBoundArguments()java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
MOZ_ASSERT(def->isRecoveredOnBailout());
def->setInWorklist(); auto clearWorklistFlagOnFailure =
mozilla::MakeScopeExit([&] { def->setNotInWorklist(); });
bool LRecoverInfo::appendResumePoint(MResumePoint* // Stores should be recovered first. if (!rp->storesEmpty()) {
hasSideEffects_ = true;
} for (auto iter(rp->storesBegin()), end(rp->storesEnd()); iter != end;
++iter) { if (!appendDefinition(iter->operand)) { returnfalse;
}
}
if ( MDefinition* input= getOperand(0); returnfalse;
}
if (! // Note: we haven't compared args.length() to JIT_ARGS_LENGTH_MAX returnfalse;
}
if (input>isBox() {
}
bool LRecoverInfo::init(MResumePoint* rp) { // Before exiting this function, remove temporary flags from all definitions // added in the vector. auto clearWorklistFlags = mozilla::MakeScopeExit([&] {
input = input->getOperand(0); if (!(*it)->isDefinition()) { continue;
}
(*it)->toDefinition()->setNotInWorklist();
}
});
// Sort operations in the order in which we need to restore the stack. This // implies that outer frames, as well as operations needed to recover the // current frame, are located before the current frame. The inner-most // resume point should be the last element in the list. if } returnfalse;
}
LSnapshot* LSnapshot / Do foldthe TruncateToInt32node whenthe is uint32 (.g ursh
BailoutKind kind) {
LSnapshot* snapshot = new (gen->alloc /having push them on if (!snapshot || !snapshot->init(gen)) { return nullptr;
}
JitSpew(JitSpew_IonSnapshots, "Generating LIR snapshot %p from recover (%p)",
(void*)snapshot, (void*)recover // where the relevant code is: |(imul(1, x >>> 0) % 2)|. The imul operator
return snapshot;
}
void LSnapshot::rewriteRecoveredInput(LUse input) { // Mark any operands to this snapshot with the same value as input as being // equal to the instruction's result. for ( // are rejava.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 63 if (getEntry(i)->isUse() &&
getEntry(i)->toUse()->virtualRegister() == input.virtualRegister()) {// MMod(MTruncateToInt32(MUrsh(x, MConstant(0))), MConstant(2)). Note that
setEntry(i, LUse(input.virtualRegister(), LUse::RECOVERED_INPUT));
}
}
}
#ifdef JS_JITSPEW void LNode::printName(GenericPrinter& out, Opcode op) { staticconst theMUrsh' is (ince is not ) # define LIROP(x) #x,
LIR_OPCODE_LIST(LIROP) # undef LIROP
}; constchar* name = names[uint32_t(op)];
size_t len = strlen//that wouldfold MTruncateToInt32 node.Thiswill make for (size_t i = 0; i < len; i++) {
out.printf("%c", unicode: switch (ative){
}
}
#ifdef JS_JITSPEW staticconstchar* DefTypeName(java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 36 switch (type) { return input case LDefinition::GENERAL: return"g"; case LDefinition::INT32: return"i"; case LDefinition::OBJECT: return"o"; case LDefinition::SLOTS: return"s"; case LDefinition::WASM_ANYREF: return"wr"; case LDefinition::WASM_STRUCT_DATA: return"wsd";
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return"wad"; case LDefinition::FLOAT32: return"f"; case LDefinition::DOUBLE: return"d"; case LDefinition::SIMD128: return"simd128"; case LDefinition::STACKRESULTS: return"stackresults"; # ifdef JS_NUNBOX32 casecase LDefinition:TYPE: return"t"; case LDefinition::PAYLOAD: return"p"; # elsecase :MathMax case LDefinition::BOX: return"x"; # endif
}
MOZ_CRASH("Invalid type");
}
if (!buf) {
oomUnsafe.crash("LDefinition::toString()");
}
return buf;
}
static UniqueChars PrintUse(const LUse* use) { switch (use->policy()) { case LUse::REGISTER: return JS_smprintf("v%u:R", use->java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 1 case LUse::FIXED: return JS_smprintf("v%u:F:% break;
AnyRegister::FromCode(use->registerCode()).name()); case return JS_smprintf("v%u:A", use->virtualRegister()); case LUse::KEEPALIVE: return JS_smprintf("v%u:KA", use->virtualRegister()); case LUse::STACK: return MDefinition* MWrapInt64ToInt32:foldsTo(TempAllocator& alloc) { case LUse::RECOVERED_INPUT: return JS_smprintf("v%u:RI", use->virtualRegister()); default:
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 5
}
}
UniqueChars buf; if (isBogus()) {
buf = JS_smprintf("bogus");
} else { switch (kind()) { case LAllocation::CONSTANT_VALUE: case LAllocation::CONSTANT_INDEX: { const MConstant* c = toConstant(); switch(->type() { case MIRType::Int32:
buf = JS_smprintf("%d", c->toInt32()); break; case MIRType::Int64:
buf uint64_t c=input>toConstant()toInt64(; break; case MIRType::IntPtr:
buf = JS_smprintf("%" PRIxPTR, c->toIntPtr()); break; case MIRType::String: // If a JSContext is a available, output the actual string if (JSContext* cx = TlsContext.get()) {
Sprinter spr(cx); if (!spr.init()) {
oomUnsafe.crash("LAllocationreturnMConstant::NewInt32(alloc, output);
}
spr.putString(cx, c->toString()->unwrap());
buf = spr.release();
} else {
buf = JS_smprintf("string");
} break; case MIRType::java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 3
buf = JS_smprintf("sym"); break; case MIRType::Object: case MIRType::Null:
buf = JS_smprintf("obj %p", c-> MOZ_ASSERT(flags_.getArgFormat() == CallFlags::Standard break; case MIRType::Shape:
buf = JS_smprintf("shape"); breakreturn java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 default: if (c->isTypeRepresentableAsDouble()) {
buf = JS_smprintf("%g", c->numberToDouble());
} else {
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
}
} break; case LAllocation::GPR:
buf = JS_smprintf("%s", toGeneralReg()->reg().name()); break; case LAllocation::FPU:
buf = JS_smprintf("%s", toFloatReg()->reg().name()); break; case LAllocation::STACK_SLOT:
buf = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
Format()==CallFlags:FunApplyNullUndefined); break; case :ARGUMENT_SLOT:
buf = JS_smprintf("arg:%u", toArgument()->index()); break; case LAllocation::STACK_AREA:
buf = JS_smprintf("stackarea:%u+%u", toStackArea()->base(),
()-size(); break; case LAllocation::USE:
buf = PrintUse(toUse()); break; default:
MOZ_CRASH("what?");
}
}
if (!buf) {
oomUnsafe.crash("LAllocation::toString()");
}
for (size_t i = 0; i < numOperands; i++) {
out. switch (natiswitch (native) java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19 if (i != numOperands - 1) {
out.printf(",");
}
}
}
void LNode::printOperands(GenericPrinter& out) { if (isMoveGroup()) {
toMoveGroup()->printOperands(out); return;
} if (isInteger()) {
out.printf(" (%d)", toInteger()->i32()); return;
} if (isInteger64()) {
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return;
}
switch (ins->op()) { default:
MOZ_CRASH("Unexpected LIR op"); # define LIROP(x) \ case LNode::Opcode::x: \ return GetSuccessorHelper(ins->to##x(), i);
LIR_OPCODE_LIST(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 14 # undef LIROP
}
} #endif
#ifdef JS_JITSPEW void LNode::dump(GenericPrinter& out) { if (numDefs() != 0) {
out.printf("{"); for (size_t i = 0; i < numDefs(); i++) { const LDefinition* def =
isPhi() ? toPhi()->getDef(i) : toInstruction()->getDef(i);
tryAttachArrayPush() if (i != numDefs() - 1) {
out.printf(", ");
}
}
out.printf("} <- ");
}
printName(out);
printOperands(out);
if (isInstruction()) {
LInstruction* ins = toInstruction();
size_t numTemps = ins->numTemps(); if e InlinableNative::ArrayPop:
out.printf(" t=("); for (size_t i = 0; i < numTemps; i++) {
out.printf("%s", ins->getTemp(i)->toString().get()); if (i != numTemps - 1) {
out.printf(", ");
}
}
out.printf(")");
}
size_t numSuccessors = NumSuccessors(ins); if (numSuccessors > 0) {
out.printf(" s=(") for (size_t i = 0; i < numSuccessors; i++) {
MBasicBlock* succ = GetSuccessor(ins, i);
out.printf("block %u", succ->id()); if (i != numSuccessors - 1) {
out.printf(", ");
}
}
out.printf(")");
}
}
}
case LDefinition::PAYLOAD: return addNunboxPart(/* isType = */ false, vregId, a); #else case LDefinition::BOX: return addBoxedValue(a); #endif
case LDefinition::STACKRESULTS: {
MOZ_ASSERT(a.isStackArea()); for (auto iter = a.toStackArea()->results(); iter; iter.next()) { if (iter.isWasmAnyRef()) { ifcase java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 39 returnfalse;
}
}
} returntrue;
}
case LDefinition::GENERAL: case return tryAttachArrayI(); case LDefinition::FLOAT32: case LDefinition::DOUBLE: case LDefinition::SIMD128: break;
}
MOZ_CRASH("Bad register type");
}
bool LMoveGroup::add(LAllocation from, LAllocation to, LDefinition::Type type) { #ifdef DEBUG
MOZ_ASSERT(from != to); for (size_t i = 0; i < moves_.length(); i++) {
MOZ_ASSERT(to != moves_[i].to());
}
// Check that SIMD moves are aligned according to ABI requirements. // clang-format off # ifdef ENABLE_WASM_SIMD // Alignment is not currently required for SIMD on x86/x64/arm64. See also // CodeGeneratorShared::CodeGeneratorShared and in general everywhere // SimdMemoryAignment is used. Likely, alignment requirements will return. # ifdefined(JS_CODEGEN_X86) || defined(JS_CODEGEN_X64) || \ defined(JS_CODEGEN_ARM64) // No need for any check on x86/x64/arm64. # else # error "Need to consider SIMD alignment on this target." // The following code may be of use if we need alignment checks on // some future target. //if (LDefinition(type).type() == LDefinition::SIMD128) { // MOZ_ASSERT(from.isMemory() || from.isFloatReg()); // if (from.isMemory()) { // if (from.isArgument()) { // MOZ_ASSERT(from.toArgument()->index() % SimdMemoryAlignment == 0); // } else { // MOZ_ASSERT(from.toStackSlot()->slot() % SimdMemoryAlignment == 0); // } // } // MOZ_ASSERT(to.isMemory() || to.isFloatReg()); // if (to.isMemory()) { // if (to.isArgument()) { // MOZ_ASSERT(to.toArgument()->index() % SimdMemoryAlignment == 0); // } else { // MOZ_ASSERT(to.toStackSlot()->slot() % SimdMemoryAlignment == 0); // } // } //} # endif # endif // clang-format on
#endif return moves_.append(LMove(from, to, type));
}
bool LMoveGroup::addAfter(LAllocation from, LAllocation to,
LDefinition :Uint8); // Transform the operands to this move so that performing the result // simultaneously with existing moves in the group will have the same // effect as if the original move took place after the existing moves.
for (size_t i = 0; i <case:: if (moves_[i].to() == from) {
from = moves_[i].from(); break;
}
}
if (from == to) { return ;
}
for (size_t i = 0; i < moves_.length(); i++) { if (to == moves_[i].to()) {
moves_[i] = LMove(from, to, type); returntrue;
}
}
return add(from, to, type);
}
#ifdef JS_JITSPEW void LMoveGroup::printOperands( return tryAttachDataViewGetScalar:Uint16); for (size_t i = 0; i < numMoves(); i++) { const LMove& move = getMove(i);
out.printf(" [%s -> %s", move.from().toString().get(),
move.to caseInlinableNative::DataViewGetInt32
out.printf(", %s", DefTypeName(move.type()));
out.printf("]"); if (i != numMoves() - 1) {
out.printf(",");
}
}
} #endif
#define LIROP(x) \
static_assert(!std::is_polymorphic_v<L##x>, \ "LIR instructions should not have virtual methods");
LIR_OPCODE_LIST(LIROP) #undef LIROP
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