[PATCH] D58475: [X86] Improve detection of unneeded shift amount masking to also handle the case that the LHS has known zeroes in it

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This revision was automatically updated to reflect the committed changes.
Closed by commit rL354811: [X86] Improve detection of unneeded shift amount masking to also handle the… (authored by ctopper, committed by ).
Herald added a project: LLVM.

Changed prior to commit:
  https://reviews.llvm.org/D58475?vs=187668&id=188230#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58475/new/

https://reviews.llvm.org/D58475

Files:
  llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
  llvm/trunk/lib/Target/X86/X86InstrCompiler.td
  llvm/trunk/test/CodeGen/X86/btc_bts_btr.ll
  llvm/trunk/test/CodeGen/X86/rotate4.ll

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