[PATCH] D132968: [TTI] Account for FMA opportunities in getArithmeticInstrCost.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev added inline comments.


================
Comment at: llvm/lib/Analysis/TargetTransformInfo.cpp:800
+      }))
+    return 0;
+
----------------
Use TTI::TCC_Free


================
Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:6466
 
+      if (VecCost == 0) {
+        // The vector instruction is considered free so it can likely be folded
----------------
`== TTI::TCC_Free`


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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132968/new/

https://reviews.llvm.org/D132968