[llvm] [VPlan] Create epilogue minimum iteration check in VPlan. (PR #157545)

[via llvm-commits]

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@@ -7361,121 +7348,22 @@ BasicBlock *EpilogueVectorizerMainLoop::emitIterationCountCheck(
 /// This function is partially responsible for generating the control flow
 /// depicted in https://llvm.org/docs/Vectorizers.html#epilogue-vectorization.
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ayalz wrote:

Better update documentation to specify what (little) this method actually does? And what it returns.

https://github.com/llvm/llvm-project/pull/157545