[PATCH] D134360: [ARM] Enable and/cmp0 folding
Momchil Velikov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 21 08:21:23 PDT 2022
chill added inline comments.
================
Comment at: llvm/lib/Target/ARM/ARMISelLowering.cpp:21204
+ return false;
+ uint64_t MaskVal = Mask->getValue().getZExtValue();
+ return (MaskVal >> 32) == 0 && ARM_AM::getSOImmVal(unsigned(MaskVal)) != -1;
----------------
dmgreen wrote:
> Can this be called with a typesize > 64bits?
Good point, I guess any bit width may come this way.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D134360/new/
https://reviews.llvm.org/D134360
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