[llvm] [AArch64] Enable UseFixedOverScalableIfEqualCost for more Cortex-x cpus. (PR #122807)

[David Sherwood via llvm-commits]

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@@ -1,14 +1,21 @@
-; RUN: opt -S < %s -passes=loop-vectorize -force-target-instruction-cost=1 | FileCheck %s
+; RUN: opt -S < %s -passes=loop-vectorize -mcpu=generic | FileCheck %s --check-prefix=CHECK-GENERIC
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david-arm wrote:

nit: Could you check the name of the CHECK line to something like CHECK-PREF-FIXED because when I first read this I thought it meant "prefixed". :)

https://github.com/llvm/llvm-project/pull/122807