allow RETI


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21980 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 898b08d..5ef4862 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -493,7 +493,7 @@
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
   MachineInstr *MI;
-  assert(MBBI->getOpcode() == X86::RET &&
+  assert((MBBI->getOpcode() == X86::RET || MBBI->getOpcode() == X86::RETI) &&
          "Can only insert epilog into returning blocks");
 
   if (hasFP(MF)) {