[llvm] [LV] Add a flag to conservatively choose a larger vector factor when maximizing bandwidth (PR #156012)

[Yuta Mukai via llvm-commits]

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@@ -76,6 +76,9 @@ static cl::opt<unsigned> DMBLookaheadThreshold(
     "dmb-lookahead-threshold", cl::init(10), cl::Hidden,
     cl::desc("The number of instructions to search for a redundant dmb"));
 
+static cl::opt<bool> EnableSVEMaximizeVecBW("enable-sve-maximize-vec-bw",
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ytmukai wrote:

Thank you. I did not intend to include this part in this patch. Removed.

https://github.com/llvm/llvm-project/pull/156012