[PATCH] D139448: [llvm-exegesis] Dry run mode

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
lebedev.ri added reviewers: RKSimon, courbet, gchatelet.
lebedev.ri added a project: LLVM.
Herald added subscribers: mstojanovic, pengfei, atanasyan, jrtc27, nemanjai, sdardis.
Herald added a project: All.
lebedev.ri requested review of this revision.

Sometimes we only want to ensure that we can produce snippets (all the way
through `SnippetRepetitor`!), but don't care for the execution.
E.g. all of our tests are this way.

I've built LLVM without PFM and removed my CPU from `X86PfmCounters.td`,
and this produces the expected results in that configuration.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139448

Files:
  llvm/docs/CommandGuide/llvm-exegesis.rst
  llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg
  llvm/test/tools/llvm-exegesis/Mips/lit.local.cfg
  llvm/test/tools/llvm-exegesis/PowerPC/lit.local.cfg
  llvm/test/tools/llvm-exegesis/X86/analysis-CMOV16rm-noreg-deserialization.test
  llvm/test/tools/llvm-exegesis/X86/inverse_throughput/inverse_throughput-by-opcode-name.s
  llvm/test/tools/llvm-exegesis/X86/inverse_throughput/lit.local.cfg
  llvm/test/tools/llvm-exegesis/X86/latency/latency-CMOV32rr.s
  llvm/test/tools/llvm-exegesis/X86/latency/latency-IN16rr.s
  llvm/test/tools/llvm-exegesis/X86/latency/latency-LEA64_32r.s
  llvm/test/tools/llvm-exegesis/X86/latency/latency-LEA64r.s
  llvm/test/tools/llvm-exegesis/X86/latency/latency-SBB8rr.s
  llvm/test/tools/llvm-exegesis/X86/latency/latency-SETCCr-cond-codes-sweep.s
  llvm/test/tools/llvm-exegesis/X86/latency/latency-SQRTSSr.s
  llvm/test/tools/llvm-exegesis/X86/latency/latency-by-opcode-name.s
  llvm/test/tools/llvm-exegesis/X86/latency/lit.local.cfg
  llvm/test/tools/llvm-exegesis/X86/latency/max-configs.test
  llvm/test/tools/llvm-exegesis/X86/lbr/lit.local.cfg
  llvm/test/tools/llvm-exegesis/X86/lit.local.cfg
  llvm/test/tools/llvm-exegesis/X86/uops/lit.local.cfg
  llvm/test/tools/llvm-exegesis/X86/uops/uops-ADD32mi8.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-ADD32mr.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-ADD32rm.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-ADD_F32m.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-BEXTR32rm.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-BSF16rm.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-BTR64mr.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-CMOV16rm-noreg-serialization.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-CMOV16rm-noreg.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-FLDENVm.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-LEA64r.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-POPCNT32rr.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-STD.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-VFMADDSS4rm.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-XCHG64rr.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-by-opcode-name.s
  llvm/test/tools/llvm-exegesis/X86/uops/uops-misspelled-div.s
  llvm/test/tools/llvm-exegesis/lit.local.cfg
  llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
  llvm/tools/llvm-exegesis/lib/BenchmarkRunner.h
  llvm/tools/llvm-exegesis/lib/LatencyBenchmarkRunner.cpp
  llvm/tools/llvm-exegesis/lib/LatencyBenchmarkRunner.h
  llvm/tools/llvm-exegesis/lib/Target.cpp
  llvm/tools/llvm-exegesis/lib/Target.h
  llvm/tools/llvm-exegesis/lib/UopsBenchmarkRunner.h
  llvm/tools/llvm-exegesis/llvm-exegesis.cpp

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