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package com.oracle.truffle.llvm.parser.model.symbols.instructions;
import com.oracle.truffle.llvm.parser.model.SymbolTable;
import com.oracle.truffle.llvm.parser.model.enums.BinaryOperator;
import com.oracle.truffle.llvm.parser.model.enums.Flag;
import com.oracle.truffle.llvm.parser.model.visitors.SymbolVisitor;
import com.oracle.truffle.llvm.runtime.types.Type;
import com.oracle.truffle.llvm.runtime.types.VectorType;
import com.oracle.truffle.llvm.parser.model.SymbolImpl;
public final class BinaryOperationInstruction extends ValueInstruction {
private final BinaryOperator operator;
private final Flag[] flags;
private SymbolImpl lhs;
private SymbolImpl rhs;
private BinaryOperationInstruction(Type type, BinaryOperator operator, Flag[] flags) {
super(type);
this.operator = operator;
this.flags = flags;
}
@Override
public void accept(SymbolVisitor visitor) {
visitor.visit(this);
}
public Flag[] getFlags() {
return flags;
}
public SymbolImpl getLHS() {
return lhs;
}
public BinaryOperator getOperator() {
return operator;
}
public SymbolImpl getRHS() {
return rhs;
}
@Override
public void replace(SymbolImpl original, SymbolImpl replacement) {
if (lhs == original) {
lhs = replacement;
}
if (rhs == original) {
rhs = replacement;
}
}
public static BinaryOperationInstruction fromSymbols(SymbolTable symbols, Type type, int opcode, int flags, int lhs, int rhs) {
final boolean isFloatingPoint = Type.isFloatingpointType(type) || (type instanceof VectorType && Type.isFloatingpointType(((VectorType) type).getElementType()));
final BinaryOperator operator = BinaryOperator.decode(opcode, isFloatingPoint);
final BinaryOperationInstruction inst = new BinaryOperationInstruction(type, operator, Flag.decode(operator, flags));
inst.lhs = symbols.getForwardReferenced(lhs, inst);
inst.rhs = symbols.getForwardReferenced(rhs, inst);
return inst;
}
}