[PATCH] D25691: [DAGCombiner] Add vector demanded elements support to computeKnownBits

[Simon Pilgrim via llvm-commits]

RKSimon updated this revision to Diff 75123.
RKSimon added a comment.

Improved index checking for EXTRACT_SUBVECTOR and EXTRACT_VECTOR_ELT.

Use APInt::[] bit getter instead of doing it manually.

Use APInt::setBit bit setter instead of doing it manually.


Repository:
  rL LLVM

https://reviews.llvm.org/D25691

Files:
  include/llvm/CodeGen/SelectionDAG.h
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  test/CodeGen/X86/avx-vperm2x128.ll
  test/CodeGen/X86/avx512-regcall-NoMask.ll
  test/CodeGen/X86/known-bits-vector.ll
  test/CodeGen/X86/sse-regcall.ll

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