/*
* Builds a ref.deref call around an expression if the it is of ref-type
*/
core::ExpressionPtr tryDeref(const core::ExpressionPtr& expr) {
NodeManager& mgr = expr.getNodeManager();
IRBuilder builder(mgr);
const lang::BasicGenerator& gen = expr->getNodeManager().getLangBasic();
// core::ExpressionPtr retExpr = expr;
if (core::RefTypePtr&& refTy = expr->getType().isa<core::RefTypePtr>()) {
return builder.callExpr(refTy->getElementType(), gen.getRefDeref(), expr);
}
return expr;
}
/*
* Builds a ref.deref call around an expression if the it is of type ref<ref<'a>>
*/
core::ExpressionPtr removeDoubleRef(const core::ExpressionPtr& expr){
if (core::RefTypePtr&& refTy = expr->getType().isa<core::RefTypePtr>()) {
// on non array types remove also a single ref
if(refTy->getElementType()->getNodeType() == core::NT_RefType || refTy->toString().find("array") == string::npos) {
core::NodeManager& mgr = expr->getNodeManager();
const core::IRBuilder& builder(mgr);
const lang::BasicGenerator& gen = builder.getLangBasic();
return builder.callExpr(refTy->getElementType(), gen.getRefDeref(), expr);
}
}
return expr;
}
