[PATCH] D33225: [PowerPC] Fix a performance bug for PPC::XXSLDWI.

[Eric Christopher via Phabricator via llvm-commits]

echristo added inline comments.


================
Comment at: lib/Target/PowerPC/PPCISelLowering.cpp:1668
+bool PPC::isXXSLDWIShuffleMask(ShuffleVectorSDNode *N, unsigned &ShiftElts,
+                               bool &Swap, bool IsLE) {
+  if (N->getValueType(0) != MVT::v16i8)
----------------
jtony wrote:
> echristo wrote:
> > I'd like to try to pull out the bool operands from these routines. If not in this patch, but in a follow up patch if possible.
> An issue is created for pulling out the bool operands,  here is the link:  https://github.ibm.com/llvm/llvm-on-power/issues/392
FWIW it's not very helpful since I don't have an IBM address :)


https://reviews.llvm.org/D33225