Whoops, don't try to lower non intrinsic calls

llvm-svn: 10632
diff --git a/llvm/lib/Target/X86/InstSelectSimple.cpp b/llvm/lib/Target/X86/InstSelectSimple.cpp
index 0e07579..1029fc6 100644
--- a/llvm/lib/Target/X86/InstSelectSimple.cpp
+++ b/llvm/lib/Target/X86/InstSelectSimple.cpp
@@ -1107,6 +1107,7 @@
       if (CallInst *CI = dyn_cast<CallInst>(I++))
         if (Function *F = CI->getCalledFunction())
           switch (F->getIntrinsicID()) {
+          case Intrinsic::not_intrinsic:
           case Intrinsic::va_start:
           case Intrinsic::va_copy:
           case Intrinsic::va_end: