diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index 34f9d304a20bd..0a45b7d585b20 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -1009,6 +1009,8 @@ def HasAMXBF16   : Predicate<"Subtarget->hasAMXBF16()">;
 def HasAMXINT8   : Predicate<"Subtarget->hasAMXINT8()">;
 def HasUINTR     : Predicate<"Subtarget->hasUINTR()">;
 def HasCRC32     : Predicate<"Subtarget->hasCRC32()">;
+
+def HasX86_64    : Predicate<"Subtarget->hasX86_64()">;
 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
                              AssemblerPredicate<(all_of (not Is64Bit)), "Not 64-bit mode">;
 def In64BitMode  : Predicate<"Subtarget->is64Bit()">,