[clang] [X86][Clang] Add constexpr support for _mm_min_ss/_mm_max_ss/_mm_min_sd/_mm_max_sd/_mm_min_sh/_mm_max_sh intrinsics (PR #178029)

[Shafik Yaghmour via cfe-commits]

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@@ -5879,6 +5969,27 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const CallExpr *Call,
           return llvm::maximum(A, B);
         });
 
+  case clang::X86::BI__builtin_ia32_maxss:
+  case clang::X86::BI__builtin_ia32_maxsd:
+  case clang::X86::BI__builtin_ia32_maxsh:
+    return interp__builtin_elementwise_fp_binop(
+        S, OpPC, Call,
+        [](const APFloat &A, const APFloat &B,
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shafik wrote:

This lambda should be a stand alone static function, instead of repeating this logic twice.

https://github.com/llvm/llvm-project/pull/178029