[PATCH] D112036: [opt] Directly translate -O# to -passes='default<O#>'

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks created this revision.
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Right now when we see -O# we add the corresponding 'default<O#>' into
the list of passes to run when translating legacy -pass-name. This has
the side effect of not using the default AA pipeline.

Instead, treat -O# as -passes='default<O#>', but don't allow any other
-passes or -pass-name. I think we can keep `opt -O#` as shorthand for
`opt -passes='default<O#>` but disallow anything more than just -O#.

Tests need to be updated to not use `opt -O# -pass-name`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D112036

Files:
  llvm/test/CodeGen/AMDGPU/extra-sroa-after-unroll.ll
  llvm/test/CodeGen/AMDGPU/r600.amdgpu-alias-analysis.ll
  llvm/test/CodeGen/NVPTX/nvvm-reflect-arch.ll
  llvm/test/CodeGen/NVPTX/nvvm-reflect.ll
  llvm/test/Instrumentation/MemorySanitizer/msan_llvm_launder_invariant.ll
  llvm/test/Instrumentation/MemorySanitizer/msan_llvm_strip_invariant.ll
  llvm/test/Other/opt-On.ll
  llvm/test/Transforms/GlobalOpt/long-compilation-global-sra.ll
  llvm/test/Transforms/Inline/devirtualize-3.ll
  llvm/test/Transforms/LoopVectorize/PowerPC/reg-usage.ll
  llvm/test/Transforms/LoopVectorize/PowerPC/widened-massv-call.ll
  llvm/test/Transforms/LoopVectorize/X86/float-induction-x86.ll
  llvm/test/Transforms/LoopVectorize/X86/metadata-enable.ll
  llvm/test/Transforms/LoopVectorize/X86/x86_fp80-vector-store.ll
  llvm/test/Transforms/LoopVectorize/global_alias.ll
  llvm/test/Transforms/LoopVersioningLICM/loopversioningLICM3.ll
  llvm/test/Transforms/LoopVersioningLICM/metadata.ll
  llvm/test/Transforms/MergeFunc/mergefunc-preserve-debug-info.ll
  llvm/tools/opt/opt.cpp

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