[llvm] [AArch64] Unrolling of loops with vector instructions. (PR #147420)

[Ahmad Yasin via llvm-commits]

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@@ -4872,15 +4872,15 @@ void AArch64TTIImpl::getUnrollingPreferences(
   // Disable partial & runtime unrolling on -Os.
   UP.PartialOptSizeThreshold = 0;
 
+  // No need to unroll auto-vectorized loops that were interleaved
+  if (findStringMetadataForLoop(L, "llvm.loop.isvectorized") &&
+      findStringMetadataForLoop(L, "llvm.loop.interleave.count"))
+    return;
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ayasin-a wrote:

Reverted.

https://github.com/llvm/llvm-project/pull/147420