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<div>I know that this has been discussed (at least in passing) a few times on the list, but I couldn't locate a bug for it. Have any architectural plans been made for it?</div><div><br></div><div>Are there architectural roadblocks with the current LLVM infrastructure that will complicate the process? What has demotivated the implementation of this so far (is it not that big a benefit on important targets, too much time/effort for the payoff)?</div><div><br></div><div>In toying with some code generators I've been frustrated in getting the code gen prepare pass + isel to implement the heuristics I need to match some addressing modes and I believe that whole-function isel might be the answer.</div><div> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Christopher Lamb</div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span> </div><br></body></html>