[PATCH] D82580: [RegisterCoalescer] Dumper for JoinVals

[Valery Pykhtin via Phabricator via llvm-commits]

vpykhtin created this revision.
vpykhtin added reviewers: qcolombet, arsenm, MatzeB.
Herald added subscribers: llvm-commits, tpr, hiraditya, wdng.
Herald added a project: LLVM.
vpykhtin edited the summary of this revision.
vpykhtin edited the summary of this revision.

Example (manually enhanced, it actually prints in one line):

  RHSVals %1:sub0: 0 at 128r Write:0000000000000003 Valid:0000000000000003 Keep -> 0 at 128r,
                    1 at 80r Write:0000000000000003 Valid:0000000000000003 Erase Other:1 at 64r -> 1 at 64r,
               2 at 160B-phi Write:0000000000000003 Valid:0000000000000003 Merge Other:3 at 160B-phi -> 3 at 160B-phi

Helps a lot to understand what's going on.

The output can also be seen at: https://reviews.llvm.org/D82258


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D82580

Files:
  llvm/include/llvm/CodeGen/LiveInterval.h
  llvm/lib/CodeGen/LiveInterval.cpp
  llvm/lib/CodeGen/RegisterCoalescer.cpp

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