public override Value VisitBinaryOpExpression([NotNull] BinaryOpExpressionContext context)
{
var lhs = context.Lhs.Accept(this);
var rhs = context.Rhs.Accept(this);
if (lhs == null || rhs == null)
{
return(null);
}
switch (context.Op)
{
case '<':
{
var tmp = InstructionBuilder.Compare(RealPredicate.UnorderedOrLessThan, lhs, rhs)
.RegisterName("cmptmp");
return(InstructionBuilder.UIToFPCast(tmp, InstructionBuilder.Context.DoubleType)
.RegisterName("booltmp"));
}
case '^':
{
var pow = GetOrDeclareFunction(new Prototype("llvm.pow.f64", "value", "power"));
return(InstructionBuilder.Call(pow, lhs, rhs)
.RegisterName("powtmp"));
}
case '+':
return(InstructionBuilder.FAdd(lhs, rhs).RegisterName("addtmp"));
case '-':
return(InstructionBuilder.FSub(lhs, rhs).RegisterName("subtmp"));
case '*':
return(InstructionBuilder.FMul(lhs, rhs).RegisterName("multmp"));
case '/':
return(InstructionBuilder.FDiv(lhs, rhs).RegisterName("divtmp"));
default:
{
// User defined op?
var opKind = context.GetOperatorInfo(ParserStack.Parser);
if (opKind != OperatorKind.InfixLeftAssociative && opKind != OperatorKind.InfixRightAssociative)
{
throw new ArgumentException($"Invalid binary operator {context.Op}", nameof(context));
}
string calleeName = $"$binary{context.Op}";
var function = GetFunction(calleeName);
if (function == null)
{
throw new ArgumentException($"Unknown function reference {calleeName}", nameof(context));
}
var args = context.Args.Select(a => a.Accept(this)).ToList( );
return(InstructionBuilder.Call(function, args).RegisterName("calltmp"));
}
}
}
public override Value VisitBinaryOpExpression([NotNull] BinaryOpExpressionContext context)
{
var lhs = context.Lhs.Accept(this);
var rhs = context.Rhs.Accept(this);
if (lhs == null || rhs == null)
{
return(null);
}
switch (context.Op)
{
case '<':
{
var tmp = InstructionBuilder.Compare(RealPredicate.UnorderedOrLessThan, lhs, rhs)
.RegisterName("cmptmp");
return(InstructionBuilder.UIToFPCast(tmp, InstructionBuilder.Context.DoubleType)
.RegisterName("booltmp"));
}
case '^':
{
var pow = GetOrDeclareFunction(new Prototype("llvm.pow.f64", "value", "power"));
return(InstructionBuilder.Call(pow, lhs, rhs)
.RegisterName("powtmp"));
}
case '+':
return(InstructionBuilder.FAdd(lhs, rhs).RegisterName("addtmp"));
case '-':
return(InstructionBuilder.FSub(lhs, rhs).RegisterName("subtmp"));
case '*':
return(InstructionBuilder.FMul(lhs, rhs).RegisterName("multmp"));
case '/':
return(InstructionBuilder.FDiv(lhs, rhs).RegisterName("divtmp"));
default:
throw new ArgumentException($"Invalid binary operator {context.Op}", nameof(context));
}
}
