[llvm] [VPlan] Impl VPlan-based pattern match for ExtendedRed and MulAccRed (PR #113903)

[David Green via llvm-commits]

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@@ -2173,6 +2261,172 @@ void VPlanTransforms::handleUncountableEarlyExit(
   LatchExitingBranch->eraseFromParent();
 }
 
+/// This function try to match following pattern to create
+/// VPExtendedReductionRecipe and clamp the \p Range if it is beneficial and
+/// valid. The created VPExtendedReductionRecipe will lower to concrete before
+/// executeion.
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davemgreen wrote:

execution

https://github.com/llvm/llvm-project/pull/113903