[PATCH] [CodeGenPrepare] Teach when it is profitable to speculate calls to @llvm.cttz/ctlz.

hfinkel at anl.gov hfinkel at anl.gov
Tue Dec 23 17:05:02 PST 2014

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If your transformations fires, you need to make sure that ModifiedDT is set to true so that the DT will be recalculated. With that fixed, LGTM.


http://reviews.llvm.org/D6728

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