[PATCH] D129647: [X86] Use generic tuning for "x86-64" if "tune-cpu" is not specified

[Phoebe Wang via Phabricator via llvm-commits]

pengfei created this revision.
pengfei added reviewers: andrew.w.kaylor, craig.topper, RKSimon, spatel, andreadb, lebedev.ri.
Herald added subscribers: jsji, StephenFan, hiraditya.
Herald added a project: All.
pengfei requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This is an alternative to D129154 <https://reviews.llvm.org/D129154>. See discussions on https://discourse.llvm.org/t/fast-scalar-fsqrt-tuning-in-x86/63605


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129647

Files:
  llvm/lib/Target/X86/X86TargetMachine.cpp
  llvm/test/CodeGen/X86/pow.ll
  llvm/test/CodeGen/X86/sqrt-fastmath-tune.ll
  llvm/test/CodeGen/X86/sqrt-fastmath.ll
  llvm/test/CodeGen/X86/x86-cmov-converter.ll
  llvm/test/DebugInfo/COFF/register-variables.ll

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