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package com.oracle.truffle.llvm.nodes.intrinsics.interop;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.llvm.nodes.intrinsics.llvm.LLVMIntrinsic;
import com.oracle.truffle.llvm.runtime.LLVMAddress;
import com.oracle.truffle.llvm.runtime.interop.ToLLVMNode;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
@NodeChild(type = LLVMExpressionNode.class)
public abstract class LLVMTruffleImportCached extends LLVMIntrinsic {
@Child protected ToLLVMNode toLLVM = ToLLVMNode.createNode(TruffleObject.class);
protected Object resolve(String name) {
return toLLVM.executeWithTarget(getLLVMLanguage().getEnvironment().importSymbol(name));
}
protected static String getString(LLVMAddress value) {
return LLVMTruffleIntrinsicUtil.readString(value);
}
protected static long getPtr(LLVMAddress value) {
return value.getVal();
}
@SuppressWarnings("unused")
@Specialization(limit = "10", guards = {"getPtr(value) == cachedAddress"})
public Object executeIntrinsic(LLVMAddress value, @Cached("getPtr(value)") long cachedAddress, @Cached("getString(value)") String cachedName,
@Cached("resolve(cachedName)") Object cachedValue) {
return cachedValue;
}
}