public static LLLiteral Create(LLType pType, string pValue)
{
LLLiteral literal = new LLLiteral();
literal.mType = pType;
literal.mValue = pValue;
return literal;
}
public static LLLiteral Create(LLType pType, string pValue)
{
LLLiteral literal = new LLLiteral();
literal.mType = pType;
literal.mValue = pValue;
return(literal);
}
public LLLocation EmitConversion(LLLocation pSource, LLType pType)
{
if (pSource.Type == pType)
{
return(pSource);
}
LLLocation destination = pSource;
switch (pSource.Type.Primitive)
{
case LLPrimitive.Signed:
{
switch (pType.Primitive)
{
case LLPrimitive.Signed: // Signed to Signed
{
if (pSource.Type.SizeInBits != pType.SizeInBits)
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
}
if (pSource.Type.SizeInBits > pType.SizeInBits)
{
EmitTruncate(destination, pSource);
}
else if (pSource.Type.SizeInBits < pType.SizeInBits)
{
EmitExtend(destination, pSource);
}
break;
}
case LLPrimitive.Unsigned: // Signed to Unsigned
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
if (pSource.Type.SizeInBits > pType.SizeInBits)
{
EmitTruncate(destination, pSource);
}
else if (pSource.Type.SizeInBits < pType.SizeInBits)
{
EmitExtend(destination, pSource);
}
else
{
EmitAdd(destination, pSource, LLLiteralLocation.Create(LLLiteral.Create(pType, "0")));
}
break;
}
case LLPrimitive.Float: // Signed to Float
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitIntegerToFloat(destination, pSource);
break;
}
case LLPrimitive.Pointer: // Signed to Pointer
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitIntegerToPointer(destination, pSource);
break;
}
default: throw new NotSupportedException();
}
break;
}
case LLPrimitive.Unsigned:
{
switch (pType.Primitive)
{
case LLPrimitive.Signed: // Unsigned to Signed
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
if (pSource.Type.SizeInBits > pType.SizeInBits)
{
EmitTruncate(destination, pSource);
}
else if (pSource.Type.SizeInBits < pType.SizeInBits)
{
EmitExtend(destination, pSource);
}
else
{
EmitAdd(destination, pSource, LLLiteralLocation.Create(LLLiteral.Create(pType, "0")));
}
break;
}
case LLPrimitive.Unsigned: // Unsigned to Unsigned
{
if (pSource.Type.SizeInBits != pType.SizeInBits)
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
}
if (pSource.Type.SizeInBits > pType.SizeInBits)
{
EmitTruncate(destination, pSource);
}
else if (pSource.Type.SizeInBits < pType.SizeInBits)
{
EmitExtend(destination, pSource);
}
break;
}
case LLPrimitive.Float: // Unsigned to Float
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitIntegerToFloat(destination, pSource);
break;
}
case LLPrimitive.Pointer: // Unsigned to Pointer
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitIntegerToPointer(destination, pSource);
break;
}
default: throw new NotSupportedException();
}
break;
}
case LLPrimitive.Float:
{
switch (pType.Primitive)
{
case LLPrimitive.Signed: // Float to Signed
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitFloatToInteger(destination, pSource);
break;
}
case LLPrimitive.Unsigned: // Float to Unsigned
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitFloatToInteger(destination, pSource);
break;
}
case LLPrimitive.Float: // Float to Float
{
if (pSource.Type.SizeInBits != pType.SizeInBits)
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
}
if (pSource.Type.SizeInBits > pType.SizeInBits)
{
EmitTruncate(destination, pSource);
}
else if (pSource.Type.SizeInBits < pType.SizeInBits)
{
EmitExtend(destination, pSource);
}
break;
}
case LLPrimitive.Pointer: // Float to Pointer
{
LLLocation temporaryInteger = LLTemporaryLocation.Create(Function.CreateTemporary(LLModule.GetOrCreateUnsignedType(pType.SizeInBits)));
EmitFloatToInteger(temporaryInteger, pSource);
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitIntegerToPointer(destination, temporaryInteger);
break;
}
default: throw new NotSupportedException();
}
break;
}
case LLPrimitive.Pointer:
{
switch (pType.Primitive)
{
case LLPrimitive.Signed: // Pointer to Signed
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitPointerToInteger(destination, pSource);
break;
}
case LLPrimitive.Unsigned: // Pointer to Unsigned
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitPointerToInteger(destination, pSource);
break;
}
case LLPrimitive.Float: // Pointer to Float
{
LLLocation temporaryInteger = LLTemporaryLocation.Create(Function.CreateTemporary(LLModule.GetOrCreateUnsignedType(pSource.Type.SizeInBits)));
EmitPointerToInteger(temporaryInteger, pSource);
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitIntegerToFloat(destination, temporaryInteger);
break;
}
case LLPrimitive.Pointer: // Pointer to Pointer
{
destination = LLTemporaryLocation.Create(Function.CreateTemporary(pType));
EmitBitcast(destination, pSource);
break;
}
default: throw new NotSupportedException();
}
break;
}
default: throw new NotSupportedException();
}
return(destination);
}
public LLLiteral ToLiteral(params string[] pValues)
{
switch (mPrimitive)
{
case LLPrimitive.Signed:
case LLPrimitive.Unsigned:
case LLPrimitive.Float:
case LLPrimitive.Pointer:
if (pValues.Length != 1)
{
throw new ArgumentOutOfRangeException();
}
return(LLLiteral.Create(this, pValues[0]));
case LLPrimitive.Vector:
{
if (pValues.Length != mElementCount)
{
throw new ArgumentOutOfRangeException();
}
StringBuilder sb = new StringBuilder();
sb.Append("< ");
for (int index = 0; index < mElementCount; ++index)
{
if (index > 0)
{
sb.Append(", ");
}
sb.AppendFormat("{0} {1}", mElementType.ToString(), pValues[index]);
}
sb.Append(" >");
return(LLLiteral.Create(this, sb.ToString()));
}
case LLPrimitive.Array:
{
if (pValues.Length != mElementCount)
{
throw new ArgumentOutOfRangeException();
}
StringBuilder sb = new StringBuilder();
sb.Append("[ ");
for (int index = 0; index < mElementCount; ++index)
{
if (index > 0)
{
sb.Append(", ");
}
sb.AppendFormat("{0} {1}", mElementType.ToString(), pValues[index]);
}
sb.AppendFormat(" ]");
return(LLLiteral.Create(this, sb.ToString()));
}
case LLPrimitive.Structure:
{
if (pValues.Length != mStructureFields.Count)
{
throw new ArgumentOutOfRangeException();
}
StringBuilder sb = new StringBuilder();
if (mStructurePacked)
{
sb.Append("<");
}
sb.Append("{ ");
for (int index = 0; index < mStructureFields.Count; ++index)
{
if (index > 0)
{
sb.Append(", ");
}
sb.AppendFormat("{0} {1}", mStructureFields[index], pValues[index]);
}
sb.Append(" }");
if (mStructurePacked)
{
sb.Append(">");
}
return(LLLiteral.Create(this, sb.ToString()));
}
default: throw new NotSupportedException();
}
}
