[PATCH] D71350: [MachineScheduler] Reorder cfi to avoid PostRA scheduling differences

[Chris Ye via Phabricator via llvm-commits]

yechunliang created this revision.
yechunliang added reviewers: Orlando, dtell, jmorse, probinson, gberry.
Herald added subscribers: llvm-commits, javed.absar, hiraditya, MatzeB.
Herald added a project: LLVM.

As cfi_instruction is defined as sched boundary, it will split ScheduleRegion, this will make CodeGen different with and without cfi_instructions (with/without --strip-debug). Moving cfi_instruction to RegionEnd and set it as RegionEnd to avoid breaking scheduler Regions.


https://reviews.llvm.org/D71350

Files:
  llvm/lib/CodeGen/MachineScheduler.cpp
  llvm/test/CodeGen/AArch64/machine-scheduler-with-cfi-instruction.mir

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