[PATCH] D57735: [X86] Add FPCW as a register and start using it as an implicit use on floating point instructions.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 185461.
craig.topper added a comment.

Rebase


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57735/new/

https://reviews.llvm.org/D57735

Files:
  lib/Target/X86/X86InstrFPStack.td
  lib/Target/X86/X86RegisterInfo.cpp
  lib/Target/X86/X86RegisterInfo.td
  lib/Transforms/Scalar/LoopStrengthReduce.cpp
  test/CodeGen/MIR/X86/memory-operands.mir
  test/CodeGen/X86/ipra-reg-usage.ll
  test/CodeGen/X86/pr34080.ll
  test/CodeGen/X86/pr40529.ll
  test/Transforms/LoopStrengthReduce/X86/pr40514.ll

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