[PATCH] [CodeGenPrepare] Teach when it is profitable to speculate calls to @llvm.cttz/ctlz.
Andrea Di Biagio
Andrea_DiBiagio at sn.scee.net
Sun Dec 28 03:12:26 PST 2014
Thanks for the review Hal!
I modified the patch so that ModifiedDT is set to true when this new transformation fires.
I also removed the TODO comments in X86ISelLowering.cpp as suggested by Chandler.
Committed revision 224899.
-Andrea
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rL LLVM
http://reviews.llvm.org/D6728
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