[PATCH] D63809: [HardwareLoops] Loop counter guard Loop intrinsic

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: shchenz, hfinkel, markus, JonChesterfield, dmgreen, SjoerdMeijer.
Herald added a project: LLVM.

Introduce llvm.test.set.loop.iterations which sets the loop counter and also produces an i1 after testing that the count is not zero.


Repository:
  rL LLVM

https://reviews.llvm.org/D63809

Files:
  include/llvm/Analysis/TargetTransformInfo.h
  include/llvm/IR/Intrinsics.td
  lib/CodeGen/HardwareLoops.cpp
  test/Transforms/HardwareLoops/scalar-while.ll
  test/Transforms/HardwareLoops/unconditional-latch.ll

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