[PATCH] D70009: [ARM][ReachingDefAnalysis] Use RDA for loloops

[Sam Parker via Phabricator via llvm-commits]

samparker marked an inline comment as done.
samparker added inline comments.


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Comment at: llvm/lib/CodeGen/ReachingDefAnalysis.cpp:138
   MF = &mf;
+  MF->getProperties().set(MachineFunctionProperties::Property::TracksLiveness);
   TRI = MF->getSubtarget().getRegisterInfo();
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dmgreen wrote:
> Can you explain this? Is it valid to just set this property?
This pass doesn't change the code so this should be fine. But now I'm thinking that this pass also should require that liveness information is correct on entry.


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  https://reviews.llvm.org/D70009/new/

https://reviews.llvm.org/D70009