[PATCH] D12425: [AArch64] Lower READCYCLECOUNTER using MRS PMCCTNR_EL0.

[Ahmed Bougacha via llvm-commits]

ab updated this revision to Diff 33646.
ab added a comment.

Fair enough; here's an updated patch.


http://reviews.llvm.org/D12425

Files:
  lib/Target/AArch64/AArch64.td
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/AArch64/AArch64InstrInfo.td
  lib/Target/AArch64/AArch64Subtarget.cpp
  lib/Target/AArch64/AArch64Subtarget.h
  test/CodeGen/AArch64/readcyclecounter.ll

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