[clang] [Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - add MMX/SSE/AVX/AVX512 PMULHRSW intrinsics to be used in constexpr (PR #160636)

[Simon Pilgrim via cfe-commits]

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@@ -67,6 +67,7 @@
 #include <cstring>
 #include <functional>
 #include <limits>
+#include <llvm/ADT/APSInt.h>
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RKSimon wrote:

unnecessary

https://github.com/llvm/llvm-project/pull/160636