diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index ceaadeff7c5..040e3015608 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -721,7 +721,8 @@ def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
 
 // Tail call stuff.
 
-let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
+let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1,
+    isCodeGenOnly = 1 in
   let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
               MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
               XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,