From 991500e329b419fca3aa547329a34b04e2028ef1 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 4 Jan 2008 10:50:28 +0000
Subject: [PATCH] Unbreak tailcall opt in JIT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45576 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86CodeEmitter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 150d1a13a3b..24d75b6446f 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -619,7 +619,8 @@ void Emitter::emitInstruction(const MachineInstr &MI) {
       if (MO.isMachineBasicBlock()) {
         emitPCRelativeBlockAddress(MO.getMBB());
       } else if (MO.isGlobalAddress()) {
-        bool NeedStub = Is64BitMode && TM.getCodeModel() == CodeModel::Large;
+        bool NeedStub = (Is64BitMode && TM.getCodeModel() == CodeModel::Large)
+          || Opcode == X86::TAILJMPd;
         emitGlobalAddress(MO.getGlobal(), X86::reloc_pcrel_word,
                           0, 0, NeedStub);
       } else if (MO.isExternalSymbol()) {