[llvm] [VectorCombine] Fold contiguous loads into a single vector load (PR #185736)

[Matt Arsenault via llvm-commits]

================
@@ -6131,6 +6055,200 @@ bool VectorCombine::shrinkPhiOfShuffles(Instruction &I) {
   return true;
 }
 
+static GEPNoWrapFlags getConstantGEPNoWrapFlagsToBase(Value *Ptr, Value *Base,
+                                                      const DataLayout &DL) {
+  std::optional<GEPNoWrapFlags> Flags;
----------------
arsenm wrote:

Avoid std::optional, just use the direct GEPNoWrapFlags

https://github.com/llvm/llvm-project/pull/185736