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<body><div>The simplest probably would be finding all relevant loop nodes, i.e. ForExpr-s, identifying the loop induction variable, i.e. the VarDecl-s (if any), and finally running a RecursiveASTVisitor on its body, looking for a DeclRefExpr referring to any of the VarDecl-s you identified in the previous step.<br></div>
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<div id="sig19426269"><div class="signature">-- <br></div>
<div class="signature"> Gábor Kozár -- ShdNx<br></div>
<div class="signature"> kozargabor@gmail.com<br></div>
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<div>On Thu, Sep 26, 2013, at 15:00, Madhur Amilkanthwar wrote:<br></div>
<blockquote type="cite"><div dir="ltr"><div><div><div><div><div>Hi,<br></div>
<div>I am interested in knowing if an expression is derived from loop induction variable or not. As of now, I am able to inspect every expression after locating "if" statement in the code.
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<div>Assume following code:<br></div>
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<div>for(int i=0;i<32;i++)<br></div>
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<div> i=i+2;<br></div>
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<div>in above code, I am able to get access to the expression "i+2" but how should I analyze its LHS and RHS for induction variable?<br></div>
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<div>Any help appreciated. <br></div>
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<div>-- <br></div>
<div>Thank You.<br></div>
<div>Madhur D. Amilkanthwar<br></div>
<div>RISE lab,<br></div>
<div>IIT Madras.
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