<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:DengXian;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Consolas;
panose-1:2 11 6 9 2 2 4 3 2 4;}
@font-face
{font-family:"\@DengXian";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p.msonormal0, li.msonormal0, div.msonormal0
{mso-style-name:msonormal;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.EmailStyle18
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle19
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle20
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle21
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link="#0563C1" vlink="#954F72" style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'>Hello all,<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>int main()<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>{<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'> auto n = 9;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'> auto x = cacul(n);</span><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'><o:p></o:p></span></p><p class=MsoNormal style='text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>return 0;</span><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'><br></span><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>}</span><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>int cacul(int x)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>{<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'> return x * x + 3;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>}</span><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'>Suppose I have function <span style='background:silver;mso-highlight:silver'>main()</span>, in which <span style='background:silver;mso-highlight:silver'>cacul(int x)</span> is called.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'>Now I want Clang help me do this:<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>int main()<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>{<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'> auto n = 9;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'> auto x = n * n + 3;</span><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'><o:p></o:p></span></p><p class=MsoNormal style='text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>return 0;</span><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'><br></span><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>}<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>int cacul(int x)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>{<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'> return x * x + 3;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%;background:silver;mso-highlight:silver'>}</span><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'>That’s to say, remove reference to <span style='background:silver;mso-highlight:silver'>cacul</span>. Can Clang help me do that? If so, how to do it?<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'>Best regards<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.5pt;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'>Yonggang Chen</span><span lang=EN-US style='font-size:9.5pt;font-family:Consolas;color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%'><o:p></o:p></span></p></div></body></html>