[PATCH] D148174: [SLP]Introduce gather cost estimation function.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


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Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:6897
+      }
+    } else if (!Root && !allConstant(VL) && isSplat(VL)) {
+      // Found the broadcasting of the single scalar, calculate the cost as
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Don't we guarantee !allConstant(VL) in the TCC_Free check at the top?


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  https://reviews.llvm.org/D148174/new/

https://reviews.llvm.org/D148174