[PATCH] D56156: [DAGCombiner][X86][PowerPC] Teach visitSIGN_EXTEND_INREG to fold (sext_in_reg (aext/sext x)) -> (sext x) when x has more than 1 sign bit and the sext_inreg is from one of them.

Wed Jan 2 10:02:43 PST 2019

This revision was automatically updated to reflect the committed changes.
Closed by commit rL350235: [DAGCombiner][X86][PowerPC] Teach visitSIGN_EXTEND_INREG to fold (sext_in_reg… (authored by ctopper, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D56156?vs=179770&id=179878#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56156/new/

https://reviews.llvm.org/D56156

Files:
  llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/trunk/test/CodeGen/PowerPC/f128-truncateNconv.ll
  llvm/trunk/test/CodeGen/PowerPC/ppc64-P9-setb.ll
  llvm/trunk/test/CodeGen/X86/setcc-combine.ll
  llvm/trunk/test/CodeGen/X86/vsel-cmp-load.ll

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