[PATCH] D122200: [AMDGPU] Split waterfall loop exec manipulation

[Carl Ritson via Phabricator via llvm-commits]

critson added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp:337-339
+  for (auto MBBI = LoopHeader->getIterator(),
+            MBBE = std::next(LoopEnd->getIterator());
+       MBBI != MBBE; ++MBBI) {
----------------
arsenm wrote:
> I've thought about adding some kind of iterator which would automatically cross fallthrough blocks
I can certainly see it being useful in a few places.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122200/new/

https://reviews.llvm.org/D122200