[clang] [X86][Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow SSE/AVX COMI/UCOMI/CMPS/CMPP fp comparison intrinsics to be used in constexpr (PR #182589)

[Timm Baeder via cfe-commits]

================
@@ -15,20 +15,77 @@
 #define LLVM_CLANG_LIB_AST_EXPRCONSTSHARED_H
 
 #include "clang/Basic/TypeTraits.h"
+#include "llvm/ADT/APFloat.h"
 #include <cstdint>
 
 namespace llvm {
 class APFloat;
 class APSInt;
 class APInt;
-}
+} // namespace llvm
+
 namespace clang {
 class QualType;
 class LangOptions;
 class ASTContext;
 class CharUnits;
 class Expr;
+
+struct FPCompareFlags {
----------------
tbaederr wrote:

This seems unused.

https://github.com/llvm/llvm-project/pull/182589