void emitIterBreak(IRGS& env, Offset relOffset, const ImmVector& iv) {
for (int iterIndex = 0; iterIndex < iv.size(); iterIndex += 2) {
IterKind iterKind = (IterKind)iv.vec32()[iterIndex];
Id iterId = iv.vec32()[iterIndex + 1];
switch (iterKind) {
case KindOfIter: gen(env, IterFree, IterId(iterId), fp(env)); break;
case KindOfMIter: gen(env, MIterFree, IterId(iterId), fp(env)); break;
case KindOfCIter: gen(env, CIterFree, IterId(iterId), fp(env)); break;
}
}
jmpImpl(env, bcOff(env) + relOffset);
}
void emitIterBreak(IRGS& env,
const ImmVector& iv,
Offset relOffset) {
always_assert(env.currentNormalizedInstruction->endsRegion);
for (int iterIndex = 0; iterIndex < iv.size(); iterIndex += 2) {
IterKind iterKind = (IterKind)iv.vec32()[iterIndex];
Id iterId = iv.vec32()[iterIndex + 1];
switch (iterKind) {
case KindOfIter: gen(env, IterFree, IterId(iterId), fp(env)); break;
case KindOfMIter: gen(env, MIterFree, IterId(iterId), fp(env)); break;
case KindOfCIter: gen(env, CIterFree, IterId(iterId), fp(env)); break;
}
}
// Would need to change this if we support not ending regions on this:
gen(env, Jmp, makeExit(env, bcOff(env) + relOffset));
}
void emitDecodeCufIter(IRGS& env, int32_t iterId, Offset relOffset) {
auto const src = popC(env);
auto const type = src->type();
if (type.subtypeOfAny(TArr, TStr, TObj)) {
auto const res = gen(
env,
DecodeCufIter,
TBool,
IterId(iterId),
src,
fp(env)
);
decRef(env, src);
implCondJmp(env, bcOff(env) + relOffset, true, res);
} else {
decRef(env, src);
jmpImpl(env, bcOff(env) + relOffset);
}
}
void emitDecodeCufIter(IRGS& env, int32_t iterId, Offset relOffset) {
auto const src = popC(env);
auto const type = src->type();
if (type.subtypeOfAny(Type::Arr, Type::Str, Type::Obj)) {
auto const res = gen(
env,
DecodeCufIter,
Type::Bool,
IterId(iterId),
src,
fp(env)
);
gen(env, DecRef, src);
implCondJmp(env, bcOff(env) + relOffset, true, res);
} else {
gen(env, DecRef, src);
jmpImpl(env,
bcOff(env) + relOffset,
instrJmpFlags(*env.currentNormalizedInstruction));
}
}
void emitCIterFree(IRGS& env, int32_t iterId) {
gen(env, CIterFree, IterId(iterId), fp(env));
}