[llvm] [AArch64] Runtime-unroll small load/store loops for Apple Silicon CPUs. (PR #118317)

[Florian Hahn via llvm-commits]

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@@ -4010,6 +4094,12 @@ void AArch64TTIImpl::getUnrollingPreferences(Loop *L, ScalarEvolution &SE,
       EnableFalkorHWPFUnrollFix)
     getFalkorUnrollingPreferences(L, SE, UP);
 
+  if (ST->getProcFamily() == AArch64Subtarget::AppleA14 ||
+      ST->getProcFamily() == AArch64Subtarget::AppleA15 ||
+      ST->getProcFamily() == AArch64Subtarget::AppleA16 ||
+      ST->getProcFamily() == AArch64Subtarget::AppleM4)
+    getAppleRuntimeUnrollPreferences(L, SE, UP, *this);
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fhahn wrote:

Done thanks! Also included the code for Falkor from above in the new switch

https://github.com/llvm/llvm-project/pull/118317