[llvm] [polly] [delinearize] Extract array dimensions from alloca and global declarations (PR #156342)

[Alexey Bataev via llvm-commits]

================
@@ -759,51 +1073,63 @@ void printDelinearization(raw_ostream &O, Function *F, LoopInfo *LI,
     // Do not analyze memory accesses outside loops.
     if (!L)
       continue;
-
     const SCEV *AccessFn = SE->getSCEVAtScope(getPointerOperand(&Inst), L);
 
-    const SCEVUnknown *BasePointer =
-        dyn_cast<SCEVUnknown>(SE->getPointerBase(AccessFn));
-    // Do not delinearize if we cannot find the base pointer.
-    if (!BasePointer)
-      break;
-    AccessFn = SE->getMinusSCEV(AccessFn, BasePointer);
-
     O << "\n";
     O << "Inst:" << Inst << "\n";
     O << "AccessFunction: " << *AccessFn << "\n";
 
     SmallVector<const SCEV *, 3> Subscripts, Sizes;
-
     auto IsDelinearizationFailed = [&]() {
-      return Subscripts.size() == 0 || Sizes.size() == 0 ||
-             Subscripts.size() != Sizes.size();
+      return Subscripts.size() == 0 || Sizes.size() == 0;
----------------
alexey-bataev wrote:

`return Subscripts.empty() || Sizes.empty();`

https://github.com/llvm/llvm-project/pull/156342