[llvm] [DA] Fix crash when two loops have different type sizes of becount (PR #165021)

[Florian Hahn via llvm-commits]

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@@ -1131,9 +1131,18 @@ bool DependenceInfo::haveSameSD(const Loop *SrcLoop,
   if (SE->hasLoopInvariantBackedgeTakenCount(DstLoop))
     DstUP = SE->getBackedgeTakenCount(DstLoop);
 
-  if (SrcUB != nullptr && DstUP != nullptr &&
-      SE->isKnownPredicate(ICmpInst::ICMP_EQ, SrcUB, DstUP))
-    return true;
+  if (SrcUB != nullptr && DstUP != nullptr) {
+    unsigned SrcBitWidth = SE->getTypeSizeInBits(SrcUB->getType());
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fhahn wrote:

Could use `SE.getWiderType`/`getNoopOrZeroExtend` 

https://github.com/llvm/llvm-project/pull/165021