diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 5a5ba2fd2d2..d8fd9064f3d 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -3627,7 +3627,7 @@ unsigned X86InstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
   // Create the register. The code to initialize it is inserted
   // later, by the CGBR pass (below).
   MachineRegisterInfo &RegInfo = MF->getRegInfo();
-  GlobalBaseReg = RegInfo.createVirtualRegister(&X86::GR32RegClass);
+  GlobalBaseReg = RegInfo.createVirtualRegister(&X86::GR32_NOSPRegClass);
   X86FI->setGlobalBaseReg(GlobalBaseReg);
   return GlobalBaseReg;
 }