[llvm] [SLP][REVEC] Initial commits. (PR #98269)

[Alexey Bataev via llvm-commits]

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@@ -113,6 +113,10 @@ static cl::opt<bool>
     RunSLPVectorization("vectorize-slp", cl::init(true), cl::Hidden,
                         cl::desc("Run the SLP vectorization passes"));
 
+static cl::opt<bool>
+    RunSLPReVectorization("revectorize-slp", cl::init(false), cl::Hidden,
+                          cl::desc("Run the SLP revectorization passes"));
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alexey-bataev wrote:

I rather doubt it runs a new pass. Better to say something like "Enable vectorization for wider vector utilization" or something like this.

https://github.com/llvm/llvm-project/pull/98269