[PATCH] D51421: Don't count debug instructions towards neighborhood count

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: MatzeB.
Herald added subscribers: JDevlieghere, nhaehnle, wdng, jvesely.

In computeRegisterLiveness, the max instructions to search
was counting dbg_value instructions, which could potentially
cause an observable codegen change from the presence of debug
 info.


https://reviews.llvm.org/D51421

Files:
  lib/CodeGen/MachineBasicBlock.cpp
  test/CodeGen/AMDGPU/fold-immediate-operand-shrink.mir

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