[PATCH] D30416: [InstCombine] Redo reduceLoadOpStoreWidth in instcombine for bitfield store optimization.

Michael Kuperstein via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Mar 6 20:02:18 PST 2017


mkuper added inline comments.


================
Comment at: lib/CodeGen/CodeGenPrepare.cpp:5823
+  if (ActualModBits)
+    ActualModBits = ActualModBits - Mask.countLeadingZeros();
+}
----------------
mkuper wrote:
> Are you sure this does the right thing for xor?
Err, never mind, of course it does.


Repository:
  rL LLVM

https://reviews.llvm.org/D30416





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