[UnJ] Create a hasInvariantIterationCount function. NFC
authorDavid Green <david.green@arm.com>
Sat, 11 Aug 2018 06:57:28 +0000 (06:57 +0000)
committerDavid Green <david.green@arm.com>
Sat, 11 Aug 2018 06:57:28 +0000 (06:57 +0000)
commit395b80cd3cf41da895d0bf217dfc2a0918593a13
tree46aa7b36e0c94dedf926f9e1944710ac2a7286c7
parentb3e3477649eb1f4377525d5fbbd6891ee776cacc
[UnJ] Create a hasInvariantIterationCount function. NFC

Pulled out a separate function for some code that calculates
if an inner loop iteration count is invariant to it's outer
loop.

Differential Revision: https://reviews.llvm.org/D50063

llvm-svn: 339500
llvm/include/llvm/Transforms/Utils/LoopUtils.h
llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp
llvm/lib/Transforms/Utils/LoopUtils.cpp