std::string show(RegionDesc::Location l) {
switch (l.tag()) {
case RegionDesc::Location::Tag::Local:
return folly::format("Local{{{}}}", l.localId()).str();
case RegionDesc::Location::Tag::Stack:
return folly::format("Stack{{{}}}", l.offsetFromFP().offset).str();
}
not_reached();
}
void assertTypeLocation(IRGS& env, const RegionDesc::Location& loc, Type type) {
assertx(type <= TStkElem);
using T = RegionDesc::Location::Tag;
switch (loc.tag()) {
case T::Stack:
assertTypeStack(env, offsetFromBCSP(env, loc.offsetFromFP()), type);
break;
case T::Local:
assertTypeLocal(env, loc.localId(), type);
break;
}
}
void predictTypeLocation(
IRGS& env,
const RegionDesc::Location& loc,
Type type
) {
using T = RegionDesc::Location::Tag;
switch (loc.tag()) {
case T::Stack:
predictTypeStack(env, offsetFromBCSP(env, loc.offsetFromFP()), type);
break;
case T::Local:
predictTypeLocal(env, loc.localId(), type);
break;
}
}
void checkTypeLocation(IRGS& env,
const RegionDesc::Location& loc,
Type type,
Offset dest,
bool outerOnly) {
assertx(type <= TGen);
using T = RegionDesc::Location::Tag;
switch (loc.tag()) {
case T::Stack:
checkTypeStack(env, offsetFromBCSP(env, loc.offsetFromFP()), type, dest,
outerOnly);
break;
case T::Local:
checkTypeLocal(env, loc.localId(), type, dest, outerOnly);
break;
}
}