Unbreak tailcall opt in JIT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45576 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 150d1a13a3b2fa79fd299d45dd269f7f09b83843..24d75b6446f0fc7ea0f7d92674c7b2e8e254a2eb 100644 (file)
--- 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()) {