[PATCH] D154805: [DAGCombiner] Fold IEEE `fmul`/`fdiv` by Pow2 to `add`/`sub` of exp

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


================
Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:16488
 
+  if (SDValue R = combineFMulOrFDivWithIntPow2(this, this->TLI, N))
+    return R;
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goldstein.w.n wrote:
> arsenm wrote:
> > Can you add a test where this w
> Where this w?
I moved the comment to the main box, the fma formation one


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  https://reviews.llvm.org/D154805/new/

https://reviews.llvm.org/D154805