[llvm] [AArch64][CostModel] Fix stale costs for "ctpop" Intrinsic (PR #191769)

[David Green via llvm-commits]

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+; RUN: opt < %s -passes='print<cost-model>' -disable-output 2>&1 | FileCheck %s --check-prefix=NEON
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davemgreen wrote:

This looks unrelated? (And should probably be tested elsewhere)

https://github.com/llvm/llvm-project/pull/191769