private BoolRelationExpressionNode Visit(BoolRelationExpressionNode node)
{
var props = properties[node];
node.e1.Visit(this);
node.e2.Visit(this);
var op = node.op == 1 ? "<" : ">";
generatedCode.Add(new CodeEntity()
{
Code = $"if {properties[node.e1].addr} {op} {properties[node.e2].addr} goto <label:{props.trueLabel.LabelId}>"
});
generatedCode.Add(MakeLabeledGoto(props.falseLabel));
return(node);
}
private BoolRelationExpressionNode Visit(BoolRelationExpressionNode node)
{
Visit(node.e1);
Visit(node.e2);
LLVMValueRef v;
if (node.op == 1)
{
v = builder.BuildICmp(LLVMIntPredicate.LLVMIntSLT, GetProperty(node.e1).addr,
GetProperty(node.e2).addr);
}
else
{
v = builder.BuildICmp(LLVMIntPredicate.LLVMIntSGT, GetProperty(node.e1).addr,
GetProperty(node.e2).addr);
}
GetProperty(node).addr = v;
return(node);
}
private BoolRelationExpressionNode Visit(BoolRelationExpressionNode node)
{
dynamic props = new ExpandoObject();
properties.Add(node, props);
var code = new List <CodeEntry>();
props.code = code;
var trueLabel = MakeLabel();
var falseLabel = MakeLabel();
props.trueLabel = trueLabel;
props.falseLabel = falseLabel;
code.AddRange(properties[node.e1].code);
code.AddRange(properties[node.e2].code);
var op = node.op == 1 ? "<" : ">";
code.Add(new CodeEntity()
{
Code = $"if {properties[node.e1].addr} {op} {properties[node.e2].addr} goto <label:{trueLabel.LabelId}>"
});
code.Add(MakeLabeledGoto(falseLabel));
return(node);
}
