<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=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Apr 1, 2019, at 11:30 AM, Cameron McInally via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" class="">llvm-dev@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="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;" class="">What did you have in mind? I was not aware that there is work pending.</div><br class="Apple-interchange-newline"></div></blockquote></div><br class=""><div class="">As far as I know, fneg isn’t constant folded. The tests haven’t been migrated, and clang is still emitting fsub -0.0, x. I’m not sure what the state of the rest of the optimizations is, but I just remember the initial instruction getting added.</div><div class=""><br class=""></div><div class="">-Matt</div></body></html>