[PATCH] D131260: [DAG] select Cond, -1, C --> or (sext Cond), C if Cond is MVT::i1

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix updated this revision to Diff 462864.
deadalnix added a comment.

Update the condition in which we transform select to math as to preserve opportunities to optimize select_cc


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131260/new/

https://reviews.llvm.org/D131260

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/PowerPC/crbits.ll
  llvm/test/CodeGen/PowerPC/prefer-dqform.ll
  llvm/test/CodeGen/X86/memcmp-more-load-pairs-x32.ll
  llvm/test/CodeGen/X86/memcmp-more-load-pairs.ll
  llvm/test/CodeGen/X86/memcmp-optsize-x32.ll
  llvm/test/CodeGen/X86/memcmp-optsize.ll
  llvm/test/CodeGen/X86/memcmp-pgso-x32.ll
  llvm/test/CodeGen/X86/memcmp-pgso.ll
  llvm/test/CodeGen/X86/memcmp-x32.ll
  llvm/test/CodeGen/X86/memcmp.ll
  llvm/test/CodeGen/X86/midpoint-int.ll
  llvm/test/CodeGen/X86/select.ll
  llvm/test/CodeGen/X86/select_const.ll

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