diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index ba41078c788..fcb4e362694 100644
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -67,6 +67,8 @@ def FeatureSSE4A   : SubtargetFeature<"sse4a", "HasSSE4A", "true",
 
 def FeatureAVX     : SubtargetFeature<"avx", "HasAVX", "true",
                                       "Enable AVX instructions">;
+def FeatureCLMUL   : SubtargetFeature<"clmul", "HasCLMUL", "true",
+                               "Enable carry-less multiplication instructions">;
 def FeatureFMA3    : SubtargetFeature<"fma3", "HasFMA3", "true",
                                      "Enable three-operand fused multiple-add">;
 def FeatureFMA4    : SubtargetFeature<"fma4", "HasFMA4", "true",