[PATCH] D31311: [DAGCombiner] Add vector demanded elements support to ComputeNumSignBits

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 93053.
RKSimon added a comment.

Updated with support for INSERT_VECTOR_ELT which is used by the i686 tests - and BUILD_VECTOR is tested with the x86_64 tests.


Repository:
  rL LLVM

https://reviews.llvm.org/D31311

Files:
  include/llvm/CodeGen/SelectionDAG.h
  include/llvm/Target/TargetLowering.h
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  test/CodeGen/X86/known-bits-vector.ll
  test/CodeGen/X86/known-signbits-vector.ll

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