[PATCH] D29173: [LoopUnroll] Use addClonedBlockToLoopInfo to clone the top level loop (NFC)
Florian Hahn via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 26 16:13:55 PST 2017
fhahn added inline comments.
================
Comment at: lib/Transforms/Utils/LoopUnrollRuntime.cpp:389
}
- if (NewLoop) {
+ if (Loop *NewLoop = NewLoops[L]) {
// Add unroll disable metadata to disable future unrolling for this loop.
----------------
mkuper wrote:
> Are you sure you want to do this if NewLoops[L] is the parent loop? I think this code is meant to only disable unrolling on the remainder loop.
Ah good spot. We should check CreateRemainderLoop I think.
https://reviews.llvm.org/D29173
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