[PATCH] D58869: [X86] Allow 8-bit INC/DEC to be converted to LEA.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: spatel, RKSimon.

We already do this for 16/32/64 as well as 8-bit add with register/immediate. Might as well do it for 8-bit INC/DEC too.


https://reviews.llvm.org/D58869

Files:
  lib/Target/X86/X86InstrArithmetic.td
  lib/Target/X86/X86InstrInfo.cpp
  test/CodeGen/X86/MergeConsecutiveStores.ll
  test/CodeGen/X86/copy-eflags.ll

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