[PATCH] D106891: [Remarks] Emit optimization remarks for atomics generating CAS loop

[Stanislav Mekhanoshin via Phabricator via cfe-commits]

rampitec added inline comments.


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Comment at: llvm/lib/CodeGen/AtomicExpandPass.cpp:175
 
+  ORE = std::make_unique<OptimizationRemarkEmitter>(&F);
   auto &TM = TPC->getTM<TargetMachine>();
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gandhi21299 wrote:
> rampitec wrote:
> > Is there a reason to construct it upfront and not just use a local variable only when needed? Like in StackProtector.cpp for example.
> We can certainly implement it as a local variable as long as we have access to the function this pass is operating on. I was thinking of its potential use throughout this pass in the future.
You have access to the function, AI->getParent()->getParent().
You also will not need to pass ORE everywhere in the subsequent patch, just construct it in target in place.


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https://reviews.llvm.org/D106891