<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Aug 29, 2008, at 10:15 AM, Matthieu Delahaye wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Verdana; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; ">Hi,<br><br>On Fri, 2008-08-29 at 09:24 -0700, Devang Patel wrote:<br>[...]<br><blockquote type="cite">- Put various tests, DeltaTest, in lib/Analysis folder. The <br></blockquote><blockquote type="cite">transformation pass does not need to see these details.<br></blockquote><br><br>I believe some low-level tests should actually not be implemented as a<br>separate Analysis but placed into Support. <span class="Apple-style-span" style="color: rgb(20, 79, 174); -webkit-text-stroke-width: -1; ">For instance, DeltaTest would</span></span></blockquote><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Verdana; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; ">use GCD or other tests on a different set of indexes once constraints<br>are propagated. This means these tests are called on expressions that<br>are not necessarily present in the code itself.<br></span></blockquote></div><br><div>This requires the GCD Analysis test to provide interface to evaluate expression on demand. SCEV also does the same thing. </div><div>-</div><div>Devang</div></body></html>