[LoopInterchange] Simplify splitInnerLoopHeader logic (NFC).
authorFlorian Hahn <florian.hahn@arm.com>
Mon, 12 Feb 2018 11:10:58 +0000 (11:10 +0000)
committerFlorian Hahn <florian.hahn@arm.com>
Mon, 12 Feb 2018 11:10:58 +0000 (11:10 +0000)
commite54a20e094242799d55be50ac880321f7855851e
tree700c1d0b197cf26483ff06a00ab9fc1c6f7e6d3c
parent6d9f8c98172cd4d648e33b21679325227c5cec83
[LoopInterchange] Simplify splitInnerLoopHeader logic (NFC).

We can use SplitBlock for both cases, which makes the code slightly
simpler and updates both LoopInfo and the dominator tree.

llvm-svn: 324881
llvm/lib/Transforms/Scalar/LoopInterchange.cpp