[PATCH] D52121: [X86] Fold (movmsk (setne (and X, (1 << C)), 0)) -> (movmsk (X << C))

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Sep 14 13:23:54 PDT 2018


lebedev.ri added inline comments.


================
Comment at: lib/Target/X86/X86ISelLowering.cpp:38825
+    if (In.getOpcode() == ISD::AND && In.hasOneUse() &&
+        ISD::isConstantSplatVector(In.getOperand(1).getNode(), SplatVal) &
+        SplatVal.isPowerOf2()) {
----------------
That should probably be `&&`


https://reviews.llvm.org/D52121





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