[clang] [llvm] [ARM] Handle roundeven for MVE. (PR #142557)

[Simon Tatham via llvm-commits]

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@@ -424,21 +424,74 @@ entry:
   ret <2 x double> %0
 }
 
-declare <4 x float> @llvm.ceil.v4f32(<4 x float>)
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statham-arm wrote:

These removed declarations don't seem related to the rest of the patch. Were they already redundant and you just noticed it in passing?

https://github.com/llvm/llvm-project/pull/142557