private void InlineConstantVariables()
{
Dictionary <Expression, Expression> oldToNewValueMap = new Dictionary <Expression, Expression>();
foreach (VariableDefinition varDef in variablesToInline)
{
StackVariableDefineUseInfo defineUseInfo = methodContext.StackData.VariableToDefineUseInfo[varDef];
int usageOffset = defineUseInfo.UsedAt.First();
Expression containingExpression;
if (!offsetToExpression.TryGetValue(usageOffset, out containingExpression))
{
continue;
}
Expression value = offsetToExpression[defineUseInfo.DefinedAt.First()];
if (!ConstantDeterminator.IsConstantExpression(value))
{
continue;
}
ICodeNode result;
if (inliner.TryInlineVariable(varDef, value, containingExpression, true, out result))
{
inlinedOnSecondPass.Add(varDef);
FixContextAfterInlining(varDef);
if (containingExpression != result)
{
oldToNewValueMap.Add(containingExpression, (Expression)result);
}
}
}
FixBlockExpressions(oldToNewValueMap);
}
public static bool IsConstantExpression(Expression expression)
{
ConstantDeterminator determinator = new ConstantDeterminator();
determinator.isConstant = true;
determinator.Visit(expression);
return(determinator.isConstant);
}