[PATCH] D142257: [exegesis] `ParallelSnippetGenerator`: always use `RegRandomizationStrategy`

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
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Even for instructions without tied operands, as long as
there are at least two untied use reg operands,
we may find something interesting by passing the same register.

In particular, we already know that `CMP64rr` & friends are dep-breaking.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142257

Files:
  llvm/tools/llvm-exegesis/lib/ParallelSnippetGenerator.cpp
  llvm/tools/llvm-exegesis/lib/ParallelSnippetGenerator.h
  llvm/tools/llvm-exegesis/llvm-exegesis.cpp
  llvm/unittests/tools/llvm-exegesis/X86/SnippetGeneratorTest.cpp

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