void rewriteArgument(IrFuncTy &fty, IrFuncTyArg &arg) override {
// FIXME
Type *ty = arg.type->toBasetype();
if (ty->ty == Tstruct || ty->ty == Tsarray) {
// Rewrite HFAs only because union HFAs are turned into IR types that are
// non-HFA and messes up register selection
if (ty->ty == Tstruct && isHFA((TypeStruct *)ty, &arg.ltype)) {
hfaToArray.applyTo(arg, arg.ltype);
} else {
compositeToArray64.applyTo(arg);
}
}
}
void rewriteFunctionType(IrFuncTy &fty) override {
Type *retTy = fty.ret->type->toBasetype();
if (!fty.ret->byref && retTy->ty == Tstruct) {
// Rewrite HFAs only because union HFAs are turned into IR types that are
// non-HFA and messes up register selection
if (isHFA((TypeStruct *)retTy, &fty.ret->ltype)) {
hfaToArray.applyTo(*fty.ret, fty.ret->ltype);
} else {
integerRewrite.applyTo(*fty.ret);
}
}
for (auto arg : fty.args) {
if (!arg->byref)
rewriteArgument(fty, *arg);
}
}
