[PATCH] D88569: [DAGCombiner] Call SimplifyDemandedBits to simplify EXTRACT_VECTOR_ELT

[Jay Foad via Phabricator via llvm-commits]

foad updated this revision to Diff 332981.
foad added a comment.

Rebase. There are two failing tests that I have not updated yet:

Failed Tests (2):

  LLVM :: CodeGen/AMDGPU/cttz_zero_undef.ll
  LLVM :: CodeGen/AMDGPU/scratch-simple.ll


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88569/new/

https://reviews.llvm.org/D88569

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AArch64/arm64-build-vector.ll
  llvm/test/CodeGen/AArch64/arm64-nvcast.ll
  llvm/test/CodeGen/AArch64/arm64-promote-const-complex-initializers.ll
  llvm/test/CodeGen/AArch64/cmp-select-sign.ll
  llvm/test/CodeGen/AArch64/dag-numsignbits.ll
  llvm/test/CodeGen/AArch64/fptosi-sat-vector.ll
  llvm/test/CodeGen/AArch64/fptoui-sat-vector.ll
  llvm/test/CodeGen/AArch64/popcount.ll
  llvm/test/CodeGen/AArch64/sadd_sat_vec.ll
  llvm/test/CodeGen/AArch64/ssub_sat_vec.ll
  llvm/test/CodeGen/AArch64/uadd_sat_vec.ll
  llvm/test/CodeGen/AArch64/usub_sat_vec.ll
  llvm/test/CodeGen/AArch64/vecreduce-and-legalization.ll
  llvm/test/CodeGen/AMDGPU/copy-illegal-type.ll
  llvm/test/CodeGen/AMDGPU/fptoui.f16.ll
  llvm/test/CodeGen/AMDGPU/load-constant-i16.ll
  llvm/test/CodeGen/AMDGPU/load-global-i16.ll
  llvm/test/CodeGen/AMDGPU/saddsat.ll
  llvm/test/CodeGen/AMDGPU/sdiv64.ll
  llvm/test/CodeGen/AMDGPU/shift-i128.ll
  llvm/test/CodeGen/AMDGPU/srem64.ll
  llvm/test/CodeGen/AMDGPU/ssubsat.ll
  llvm/test/CodeGen/AMDGPU/sub.v2i16.ll
  llvm/test/CodeGen/AMDGPU/uaddsat.ll
  llvm/test/CodeGen/AMDGPU/usubsat.ll
  llvm/test/CodeGen/ARM/dagcombine-anyexttozeroext.ll
  llvm/test/CodeGen/ARM/fp16-insert-extract.ll
  llvm/test/CodeGen/ARM/vdup.ll
  llvm/test/CodeGen/ARM/vldlane.ll
  llvm/test/CodeGen/ARM/vzip.ll
  llvm/test/CodeGen/Mips/cconv/vector.ll
  llvm/test/CodeGen/PowerPC/pr45709.ll
  llvm/test/CodeGen/Thumb2/active_lane_mask.ll
  llvm/test/CodeGen/Thumb2/mve-laneinterleaving-cost.ll
  llvm/test/CodeGen/Thumb2/mve-laneinterleaving.ll
  llvm/test/CodeGen/Thumb2/mve-sext-masked-load.ll
  llvm/test/CodeGen/Thumb2/mve-shuffle.ll
  llvm/test/CodeGen/Thumb2/mve-soft-float-abi.ll
  llvm/test/CodeGen/Thumb2/mve-vabdus.ll
  llvm/test/CodeGen/Thumb2/mve-vcreate.ll
  llvm/test/CodeGen/Thumb2/mve-vecreduce-add.ll
  llvm/test/CodeGen/Thumb2/mve-vecreduce-addpred.ll
  llvm/test/CodeGen/Thumb2/mve-vecreduce-mla.ll
  llvm/test/CodeGen/Thumb2/mve-vld2-post.ll
  llvm/test/CodeGen/Thumb2/mve-vld2.ll
  llvm/test/CodeGen/Thumb2/mve-vld3.ll
  llvm/test/CodeGen/Thumb2/mve-vld4-post.ll
  llvm/test/CodeGen/Thumb2/mve-vld4.ll
  llvm/test/CodeGen/Thumb2/mve-vldst4.ll
  llvm/test/CodeGen/Thumb2/mve-vmulh.ll
  llvm/test/CodeGen/Thumb2/mve-vmull-loop.ll
  llvm/test/CodeGen/Thumb2/mve-vqmovn.ll
  llvm/test/CodeGen/Thumb2/mve-vqshrn.ll
  llvm/test/CodeGen/Thumb2/mve-vst2.ll
  llvm/test/CodeGen/Thumb2/mve-vst3.ll
  llvm/test/CodeGen/Thumb2/mve-vst4.ll
  llvm/test/CodeGen/Thumb2/mve-zext-masked-load.ll
  llvm/test/CodeGen/X86/2011-10-19-widen_vselect.ll
  llvm/test/CodeGen/X86/2012-07-10-extload64.ll
  llvm/test/CodeGen/X86/bitcast-vector-bool.ll
  llvm/test/CodeGen/X86/buildvec-insertvec.ll
  llvm/test/CodeGen/X86/fold-load-vec.ll
  llvm/test/CodeGen/X86/madd.ll
  llvm/test/CodeGen/X86/nontemporal-3.ll
  llvm/test/CodeGen/X86/pr41619.ll
  llvm/test/CodeGen/X86/promote-cmp.ll
  llvm/test/CodeGen/X86/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/X86/vec_setcc.ll
  llvm/test/CodeGen/X86/vec_zero_cse.ll
  llvm/test/CodeGen/X86/vector-fshl-128.ll
  llvm/test/CodeGen/X86/vector-fshl-rot-128.ll
  llvm/test/CodeGen/X86/vector-fshr-128.ll
  llvm/test/CodeGen/X86/vector-fshr-rot-128.ll
  llvm/test/CodeGen/X86/vector-idiv-v2i32.ll
  llvm/test/CodeGen/X86/vector-shuffle-combining.ll
  llvm/test/CodeGen/X86/vector-trunc-math.ll
  llvm/test/CodeGen/X86/vselect.ll
  llvm/test/CodeGen/X86/widen_cast-5.ll
  llvm/test/CodeGen/X86/widen_shuffle-1.ll