<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi,<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 5 Jul 2021, at 15:40, Jingu Kang <<a href="mailto:jingu.kang@arm.com" class="">jingu.kang@arm.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Ping.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Additionally, I was not able to see the pass triggered from llvm-test-suite and spec benchmark except hmmer.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div></div></blockquote></div><br class=""><div class="">Hm, this seems to indicate that the current version of loop-distribute is not very general at all. I’m not sure if we want to enable the pass by default, as long as it effectively only benefits a single benchmark?</div><div class=""><br class=""></div><div class="">Taking a step back, the question this raises for me is *why* it does not trigger anywhere else at all? I doubt there are no other cases in the test-suite and/or various SPEC benchmarks that would benefit from loop distribution. It would at least be helpful to understand *why* the pass misses them at the moment and what kind of changes are needed to make it more general.</div></body></html>