Handle the memory barrier pseudo that goes to nothing for the JIT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110371 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 077004c..4fd034e 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -705,6 +705,12 @@
llvm_unreachable("psuedo instructions should be removed before code"
" emission");
break;
+ // Do nothing for Int_MemBarrier - it's just a comment. Add a debug
+ // to make it slightly easier to see.
+ case X86::Int_MemBarrier:
+ DEBUG(dbgs() << "#MEMBARRIER\n");
+ break;
+
case TargetOpcode::INLINEASM:
// We allow inline assembler nodes with empty bodies - they can
// implicitly define registers, which is ok for JIT.
@@ -716,7 +722,7 @@
case TargetOpcode::EH_LABEL:
MCE.emitLabel(MI.getOperand(0).getMCSymbol());
break;
-
+
case TargetOpcode::IMPLICIT_DEF:
case TargetOpcode::KILL:
break;