[llvm] [SLP][Modularization][NFC] Extract type and constant helpers into SLPUtils (1/3) (PR #206881)

[Madhur Amilkanthwar via llvm-commits]

================
@@ -0,0 +1,152 @@
+//===- SLPUtils.cpp - SLP Vectorizer free utility helpers -----------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "SLPUtils.h"
+
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Analysis/ValueTracking.h"
+#include "llvm/Analysis/VectorUtils.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/PatternMatch.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+using namespace llvm::PatternMatch;
+
+namespace llvm::slpvectorizer {
+
+bool isConstant(Value *V) {
+  return isa<Constant>(V) && !isa<ConstantExpr, GlobalValue>(V);
+}
+
+bool isVectorLikeInstWithConstOps(Value *V) {
+  if (!isa<InsertElementInst, InsertValueInst, ExtractElementInst>(V) &&
+      !isa<ExtractValueInst, UndefValue>(V))
----------------
madhur13490 wrote:

ditto

https://github.com/llvm/llvm-project/pull/206881