[llvm] [SandboxVectorizer] New class to actually collect and manage seeds (PR #112979)

[via llvm-commits]

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@@ -131,4 +148,74 @@ void SeedContainer::print(raw_ostream &OS) const {
 LLVM_DUMP_METHOD void SeedContainer::dump() const { print(dbgs()); }
 #endif // NDEBUG
 
+template <typename LoadOrStoreT> static bool isValidMemSeed(LoadOrStoreT *LSI) {
+  if (LSI->isSimple())
+    return true;
+  auto *Ty = Utils::getExpectedType(LSI);
+  // Omit types that are architecturally unvectorizable
+  if (Ty->isX86_FP80Ty() || Ty->isPPC_FP128Ty())
+    return false;
+  // Omit vector types without compile-time-known lane counts
+  if (isa<ScalableVectorType>(Ty))
+    return false;
+  if (auto *VTy = dyn_cast<FixedVectorType>(Ty))
+    return VectorType::isValidElementType(VTy->getElementType());
+  return VectorType::isValidElementType(Ty);
+}
+
+template bool isValidMemSeed(LoadInst *LSI);
+template bool isValidMemSeed<StoreInst>(StoreInst *LSI);
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Sterling-Augustine wrote:

Done

https://github.com/llvm/llvm-project/pull/112979