internal static GMacCodeBlock Process(GMacCodeBlock codeBlock)
{
var factoredSubExpressions = new TcbFactorSubExpressions(codeBlock);
factoredSubExpressions.BeginProcessing();
return(codeBlock);
}
private void ProcessSubExpressions()
{
//Use full reduction algorithm to produce less computations and simplest possible RHS expressions
//but may take longer time and may require more temp variables
if (GMacCompilerOptions.ReduceLowLevelRhsSubExpressions)
{
TcbReduceRhsExpressions.Process(CodeBlock);
this.ReportNormal("Reduce RHS Sub-expressions", CodeBlock);
if (EnableTestEvaluation)
{
EvaluationDataHistory.AddEvaluation("Reduce RHS Sub-expressions");
}
return;
}
//Use partial reduction algorithm to factor out sub expressions used multiple times during
//computation but may produce larger RHS expressions per temp\output variable
//Remove temp variables having duplicate RHS expressions
TcbRemoveDuplicateTemps.Process(CodeBlock);
this.ReportNormal("Remove Duplicate Temps", CodeBlock);
if (EnableTestEvaluation)
{
EvaluationDataHistory.AddEvaluation("Remove Duplicate Temps");
}
//Factor common sub-expressions into separate low-level temp variables
TcbFactorSubExpressions.Process(CodeBlock);
this.ReportNormal("Factor Common Sub-expressions", CodeBlock);
if (EnableTestEvaluation)
{
EvaluationDataHistory.AddEvaluation("Factor Common Sub-expressions");
}
}
