[llvm] [CostModel][X86] merge abs costs tests using -cost-kind=all (PR #131619)

[Phoebe Wang via llvm-commits]

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@@ -379,3 +477,5 @@ declare <8 x i64>  @llvm.abs.v8i64(<8 x i64>, i1)
 declare <16 x i32> @llvm.abs.v16i32(<16 x i32>, i1)
 declare <32 x i16> @llvm.abs.v32i16(<32 x i16>, i1)
 declare <64 x i8>  @llvm.abs.v64i8(<64 x i8>, i1)
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; SSE: {{.*}}
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phoebewang wrote:

Remove unused check?

https://github.com/llvm/llvm-project/pull/131619