[llvm] [LV] Increase max VF if vectorized function variants exist (PR #66639)

[David Sherwood via llvm-commits]

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@@ -390,6 +390,11 @@ static cl::opt<cl::boolOrDefault> ForceSafeDivisor(
     cl::desc(
         "Override cost based safe divisor widening for div/rem instructions"));
 
+static cl::opt<bool> UseWiderVFIfVariantsPresent(
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david-arm wrote:

Sorry if I missed this before, but can you also rename this to something a bit more specific, i.e. `UseWiderVFIfCallVariantsPresent`? At the moment it could refer to variants of anything. Other than that the patch looks good!

https://github.com/llvm/llvm-project/pull/66639