[llvm] [VPlan] Add initial VPScalarEvolution, use to get trip count SCEV (NFC) (PR #94464)

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Thu Aug 29 12:10:30 PDT 2024


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@@ -67,6 +69,15 @@ class VPTypeAnalysis {
 // Collect a VPlan's ephemeral recipes (those used only by an assume).
 void collectEphemeralRecipesForVPlan(VPlan &Plan,
                                      DenseSet<VPRecipeBase *> &EphRecipes);
+
+namespace vputils {
+
+/// Return the SCEV expression for \p V. Returns SCEVCouldNotCompute if no
+/// SCEV expression could be constructed.
+const SCEV *getSCEVExprForVPValue(VPValue *V, ScalarEvolution &SE);
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fhahn wrote:

Moved to VPlanUtils.cpp

https://github.com/llvm/llvm-project/pull/94464


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