<div dir="ltr">If you do 1, just use setvector/smallsetvector<div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Nov 14, 2016 at 2:06 PM, David Li via llvm-commits <span dir="ltr"><<a href="mailto:llvm-commits@lists.llvm.org" target="_blank">llvm-commits@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">davidxl added inline comments.<br>
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Comment at: lib/CodeGen/<wbr>MachineBlockPlacement.cpp:1498<br>
<span class="">+   // matching clang binary in bootstrap build.<br>
+   for (MachineBasicBlock &LoopBB : *F)<br>
+     if (LoopBlockSet.count(&LoopBB))<br>
</span>----------------<br>
This fix has compile time implication. Two alternatives:<br>
1) make collectLoopBlockSet to also compute a vector of blocks in fixed order<br>
or<br>
2) change BlockFilterSet to be a set of integers where the integer is MBB's unique id: getNumber()<br>
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<a href="https://reviews.llvm.org/D26634" rel="noreferrer" target="_blank">https://reviews.llvm.org/<wbr>D26634</a><br>
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