[PATCH] D33311: [X86] Match bitcast of vsetcc to pmovmsk

[Zvi Rackover via Phabricator via llvm-commits]

zvi added inline comments.


================
Comment at: lib/Target/X86/X86ISelLowering.cpp:29020
+  // vxi1 types.
+  if (!LegalTypes && N0.getOpcode() == ISD::SETCC)
+    if (SDValue V = combineBitcastOfSetCC(DAG, SDLoc(N), VT, N0, Subtarget))
----------------
delena wrote:
> Can you use if (VT.isInteger() && DAG.ComputeNumSignBits(N) == EltBits) ?
i didn't understand the question. Can you please explain this point?


https://reviews.llvm.org/D33311