[llvm] [CostModel] Handle vector struct results and cost `llvm.sincos` (PR #123210)

[Benjamin Maxwell via llvm-commits]

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@@ -285,6 +286,64 @@ class BasicTTIImplBase : public TargetTransformInfoImplCRTPBase<T> {
     return false;
   }
 
+  /// Several intrinsics struct-ret (including llvm.sincos[pi] and llvm.modf)
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MacDue wrote:

Yeah, that was a typo :+1: Fixed now :)

https://github.com/llvm/llvm-project/pull/123210