/// <summary cref="IValueVisitor.Visit(ReturnTerminator)"/>
public void Visit(ReturnTerminator returnTerminator)
{
if (!returnTerminator.IsVoidReturn)
{
var resultRegister = Load(returnTerminator.ReturnValue);
EmitStoreParam(ReturnParamName, resultRegister);
}
Command(PTXInstructions.ReturnOperation);
}
/// <summary cref="IBackendCodeGenerator.GenerateCode(ReturnTerminator)"/>
public void GenerateCode(ReturnTerminator returnTerminator)
{
using var statement = BeginStatement(CLInstructions.ReturnStatement);
if (!returnTerminator.IsVoidReturn)
{
var resultRegister = Load(returnTerminator.ReturnValue);
statement.AppendArgument(resultRegister);
}
}
/// <summary cref="IValueVisitor.Visit(ReturnTerminator)"/>
public void Visit(ReturnTerminator returnTerminator)
{
using (var statement = BeginStatement(CLInstructions.ReturnStatement))
{
if (!returnTerminator.IsVoidReturn)
{
var resultRegister = LoadIntrinsic(returnTerminator.ReturnValue);
statement.AppendArgument(resultRegister);
}
}
}
/// <summary cref="IBackendCodeGenerator.GenerateCode(ReturnTerminator)"/>
public void GenerateCode(ReturnTerminator returnTerminator)
{
if (!returnTerminator.IsVoidReturn)
{
var resultRegister = Load(returnTerminator.ReturnValue);
EmitStoreParam(ReturnParamName, resultRegister);
}
Command(
Uniforms.IsUniform(returnTerminator)
? PTXInstructions.UniformReturnOperation
: PTXInstructions.ReturnOperation);
}
/// <summary>
/// Lowers return terminators returning structure values.
/// </summary>
private static void Lower(
SSARewriterContext <FieldRef> context,
LoweringData _,
ReturnTerminator value)
{
// Move the block builder to a valid insert position in the source block
var blockBuilder = context.GetMethodBuilder()[value.BasicBlock];
blockBuilder.SetupInsertPositionToEnd();
// Assemble return value
Value returnValue = value.ReturnValue;
var returnType = returnValue.Type.As <StructureType>(value);
var newReturnValue = AssembleStructure(
context.SpecializeBuilder(blockBuilder),
returnType,
returnValue);
// Replace return terminator with a new terminator
context.Builder.Terminator = context.Builder.CreateReturn(
value.Location,
newReturnValue);
}
/// <summary>
/// Lowers return terminators returning structure values.
/// </summary>
private static void Lower(
SSARewriterContext <FieldRef> context,
LoweringData _,
ReturnTerminator value)
{
Value returnValue = value.ReturnValue;
var returnType = returnValue.Type as StructureType;
Debug.Assert(returnType != null, "Invalid structure type");
// Assemble a new structure that can be returned
var blockBuilder = context.GetMethodBuilder()[value.BasicBlock];
blockBuilder.SetupInsertPosition(returnValue);
var newReturnValue = AssembleStructure(
context.SpecializeBuilder(blockBuilder),
returnType,
returnValue);
// Replace return and remove return value
returnValue.Replace(newReturnValue);
}
/// <summary cref="IValueVisitor.Visit(ReturnTerminator)"/> public void Visit(ReturnTerminator returnTerminator) => CodeGenerator.GenerateCode(returnTerminator);
