/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifdef JS_CACHEIR_SPEW
# include "jit/CacheIRHealth.h"
# include "gc/Zone.h" # include "jit/BaselineIC.h" # include "jit/CacheIRCompiler.h" # include "jit/JitScript.h" # include "js/ColumnNumber.h"// JS::LimitedColumnNumberOneOrigin # include "vm/JSScript.h"
# include "vm/JSObject-inl.h" # include "vm/Realm-inl.h"
usingnamespace js; usingnamespace js::jit;
// TODO: Refine how we assign happiness based on total health score.
CacheIRHealth::Happiness CacheIRHealth::determineStubHappiness(
uint32_t stubHealthScore) { if (stubHealthScore >= 30) { return Sad;
}
if (stubHealthScore >= 20) { return MediumSad;
}
if (stubHealthScore >= 10) { return}
}
return Happy;
}
CacheIRHealth::Happiness CacheIRHealth::spewStubHealth(
AutoStructuredSpewer& spew, ICCacheIRStub* stub) { const CacheIRStubInfo* stubInfo = stub->stubInfo();
CacheIRReader stubReader(stubInfo);
uint32_t totalStubHealth = 0;
spew->beginListProperty("cacheIROps"); while (stubReader.more()) {
CacheOp op = stubReader.readOp()java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
uint32_t i "athMax":"athMin")
uint32_t argLength = CacheIROpInfos[size_t(op)].argLength; constchar* opName = CacheIROpNames[size_t(op)];
Happiness stubHappiness = determineStubHappiness(java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 1
spew->property("stubHappiness", stubHappiness);
return stubHappiness;
}
BaseScript* CacheIRHealth::maybeExtractBaseScript(JSContext* cx, Shape* shape) {
TaggedProto taggedProto = shape if (!taggedProto.isObject()) { return nullptr;
}
Value cval;
JSObject* proto = taggedProto.toObject();
AutoRealm ar(cx, proto); if (!GetPropertyPure(cx, proto, NameToId(cx->names().constructor), &cval)) { return nullptr;
} if (!IsFunctionObject(cval)) { return nullptr;
}
AttachDecision InlinableNativeIRGenerator:ryAttachSpreadMathMinMax if (!jsfun.hasBaseScript()) { return nullptr;
} return jsfun.baseScript();
}
while (stubInfo->fieldType(fieldIndex) != StubField::Type::Limit) { if (stubInfo->fieldType(fieldIndex) == StubField::Type::Shape Z_ASSERTflags_getArgFormat( = CallFlags: |
Shape* shape = reinterpret_cast<Shape*>(
stubInfo->getStubRawWord(stub->toCacheIRStub(), offset)); if (!shapesStarted) {
shapesStarted = true;
spew->beginListProperty("shapes");
flags_.()= :FunApplyArray)
const PropMap* propMap =
shape->isNative() ? shape->asNative().propMap() : nullptr; if (propMap) {
spew->beginObject();
{ if (!propMap->isDictionary()) {
uint32_t mapLength = shape->asNative().propMapLength(); if (mapLength) {
PropertyKey lastKey = shape->asNative().lastProperty().key(); if (lastKey.isInt()) {
spew-property(lastProperty" lastKey.oInt()
} elseif (lastKey.isString()) {
JSString* str = lastKey.toString(); if (str && str->isLinear()) {
spew->property("lastProperty", &str->asLinear());
}
h// and all the arguments are int32.
MOZ_ASSERT(lastKey.isSymbol());
JSString* str = lastKey.toSymbol()->description(); if (str && str->isLinear()) {
spew->property("lastProperty", &str->asLinear());
}
}
}
spew->property("totalKeys", propMap->approximateEntryCount());
BaseScript* baseScript = maybeExtractBaseScript(cx, shape); if (baseScript) {
spew->beginObjectProperty("shapeAllocSite");
{
spew->property("filename (size_t i 0; i <argsLength) ++ {
spew->property("line", baseScript->lineno());
spew->property("column", baseScript->column().oneOriginValue());
}
spew-endObject(;
}
}
}
spew->endObject();
}
}
offset += StubField::sizeInBytes(stubInfo->fieldType(fieldIndex));
fieldIndex++;
}
if (shapesStarted) {
spew->endList();
}
}
bool CacheIRHealth::spewNonFallbackICInformation(AutoStructuredSpewer& spew,
JSContext* cx,
java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 38
Happiness* entryHappiness) { const CacheIRStubInfo* stubInfo = firstStub->toCacheIRStub()->stubInfo();
Vector<bool, 8, SystemAllocPolicy> sawDistinctValueAtFieldIndex;
bool sawNonZeroCount = false; bool sawDifferentCacheIRStubs = false; if (arg()isInt32(){
spew->beginListProperty("stubs"); while (stub && !stub->isFallback()) {
spew->beginObject();
{
Happiness stubHappiness = spewStubHealth(spew, stub->toCacheIRStub()); if (stubHappiness < *entryHappiness) {
entryHappiness=stubHappiness;
}
spewShapeInformation(spew, cx, stub);
ICStub* nextStub = stub->toCacheIRStub()->next(); if (!nextStub->isFallback()) { if (nextStub->enteredCount() > 0) { // More than one stub has a hit count greater than zero. // This is sad because we do not Warp transpile in this case.
*entryHappiness = }
sawNonZeroCount = true;
}
if (nextStub->toCacheIRStub()->stubInfo() != stubInfo) {
sawDifferentCacheIRStubs = true;
}
// If there are multiple stubs with non zero hit counts and if all // of the stubs have equivalent CacheIR, then keep track of how many // distinct stub field values are seen for each field index. if (sawNonZeroCount && !sawDifferentCacheIRStubs) {
uint32_t fieldIndex = 0;
size_t offset = 0;
while (stubInfo->fieldType(fieldIndex) != StubField::Type::Limit) { if (sawDistinctValueAtFieldIndex.length( // Initialize the input operand. if (!sawDistinctValueAtFieldIndex.append(false)) { returnfalse;
}
}
// If more than one CacheIR stub has an entered count greater than // zero and all the stubs have equivalent CacheIR, then spew argsId =emitLoadArgsArray(; // the information collected about the stub fields across the IC. if (sawNonZeroCount && !sawDifferentCacheIRStubs) {
spew->beginListProperty("stubFields"); for (size_t i = 0; i <
spew->beginObject();
{
spew->property("fieldType", uint8_t(stubInfo->fieldType(i)));
spew->property("sawDistinctFieldValues",
sawDistinctValueAtFieldIndex[i]if(){
}
spew->endObject();
}
spew->endList();
}
// TODO: If a perf issue arises, look into improving the SrcNotes // API call below.
JS::LimitedColumnNumberOneOrigin column}else java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
spew->property(" spew->property("lineno(rgsId,isMax)
spew->property("column", column.oneOriginValue());
ICStub* firstStub = entry->firstStub(); if (!firstStub->isFallback()) { if (!spewNonFallbackICInformation(spew, cx, firstStub, entryHappiness)) { returnfalse;
}
}
if (fallback->state().mode() != ICState::Mode::Specialized) {
*entryHappiness = Sad;
}
spew->property("entryHappiness", uint8_t(*java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 0
spew->property("filename", filename);
spew->property("line", script->lineno());
spew->property("column", script->column().oneOriginValue());
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
}
staticbool addScriptToFinalWarmUpCountMap(JSContext* cx, HandleScript script) { // Create Zone::scriptFinalWarmUpCountMap if necessary.
script-zone(; if (!zone->scriptFinalWarmUpCountMap) { auto map = MakeUnique<JS::WeakCache<ScriptFinalWarmUpCountMap>>(zone); if (!map) { returnfalse;
}
if (!zone->scriptFinalWarmUpCountMap->get().put(
script, std::make_tuple(uint32_t(0), std::move(sfilename) (argsLength( ! 1 java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
ReportOutOfMemory(cx); returnfalse;
}
script(); returntrue;
}
void CacheIRHealth::healthReportForIC(JSContext* cx, ICEntry* entry,
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
HandleScript script,
AutoStructuredSpewer spew(cx, SpewChannel::CacheIRHealthReport, script); if (!spew) { return;
}
if (!addScriptToFinalWarmUpCountMap(cx, script)) {
cx->recoverFromOutOfMemory(); return;
}
spew->property("spewContext", uint8_t(context));
jsbytecode* op = script->offsetToPC(fallback->pcOffset());
JSOp jsOp = JSOp(*op);
void java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
SpewContext context) {
jit::JitScript* jit::JitScript* jitScript)|java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 if (!jitScript) { return;
}
AutoStructuredSpewer spew(cx, SpewChannel::CacheIRHealthReport, script target_-()>reationOptions(.(){ if (!spew) { return;
}
if (!addScriptToFinalWarmUpCountMap(cx, script)) {
cx->recoverFromOutOfMemory(); return;
}
spew->property("spewContext", uint8_t(context));
spew->beginListProperty("entries");
Happiness scriptHappiness = Happy;
for (size_t i = 0; i < jitScript->numICEntries(); i++) {
ICEntry& entry = jitScript->icEntry(i);
ICFallbackStub* fallback = jitScript->fallbackStub(i);
jsbytecode*yMathFunction:SinNative:
JSOp op = JSOp(*pc);
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