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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif">Hi LLVM-Devs,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif">The LLVM ‘</span><span style="font-size:12.0pt;font-family:"Courier New"">cl::opt</span><span style="font-size:12.0pt;font-family:"Book Antiqua",serif">’ templates are really
useful, and provide a lot of flexibility. But I don’t see any support for ranged options. What I would like is to have an option which is an integer type, and to restrict the set of values provided to a simple upper and lower bound, for example between 10
and 2000.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif">Is there a way of expressing this with the ‘</span><span style="font-size:12.0pt;font-family:"Courier New"">cl::opt</span><span style="font-size:12.0pt;font-family:"Book Antiqua",serif">’
templates, or do I have to explicitly range check the values in my own code and issue a diagnostic or clamp as appropriate?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif"> MartinO<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Book Antiqua",serif"><o:p> </o:p></span></p>
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