[PATCH] D106891: [AMDGPU] [Remarks] Emit optimization remarks for FP atomics

[Stanislav Mekhanoshin via Phabricator via cfe-commits]

rampitec added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/SIISelLowering.cpp:12120
+                   OptimizationRemarkEmitter *ORE,
+                   OptimizationRemark OptRemark) {
+  ORE->emit([&]() { return OptRemark; });
----------------
gandhi21299 wrote:
> rampitec wrote:
> > gandhi21299 wrote:
> > > rampitec wrote:
> > > > Why OptRemark and not just StringRef? I really want to see as little churn as possible at the call site.
> > > With only StringRef, we would also have to pass in RMW since OptimizationRemark constructor depends on that.
> > It seems better be a lamda where you can just capture most of the stuff.
> What would the type be for the following lambda?
> 
> ```
> [&](){
>     return OptimizationRemark(...);
> }
> ```
You need to return TargetLowering::AtomicExpansionKind, not OptimizationRemark.


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  https://reviews.llvm.org/D106891/new/

https://reviews.llvm.org/D106891