[llvm] [LV] Increase max VF if vectorized function variants exist (PR #66639)
David Sherwood via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 19 08:28:48 PDT 2023
================
@@ -78,6 +78,11 @@ static cl::opt<LoopVectorizeHints::ScalableForceKind>
"Scalable vectorization is available and favored when the "
"cost is inconclusive.")));
+static cl::opt<bool> UseWiderVFIfVariantsPresent(
+ "vectorizer-maximize-bandwidth-if-variant-present", cl::init(true),
----------------
david-arm wrote:
Again, it's not obvious this is a variant of what? How about something like
maximize-vector-bandwidth-for-vector-calls
?
https://github.com/llvm/llvm-project/pull/66639
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