[PATCH] D87863: [X86] Make reduceMaskedLoadToScalarLoad/reduceMaskedStoreToScalarStore work for avx512 after type legalization.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: spatel, RKSimon, gpei.
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The scalar elements of the vXi1 build_vector will have been type legalized to i8 by padding with 0s. So we can't check for all ones. Instead we should just look at bit 0 of the constant.


https://reviews.llvm.org/D87863

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/masked_load.ll
  llvm/test/CodeGen/X86/masked_store.ll

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