Handle the pseudo in MCInstLower.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110359 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86MCInstLower.cpp b/lib/Target/X86/X86MCInstLower.cpp
index e55b7265cb92fa45b44e2dc01e600b23da816de3..ae20e689ef8346b76f123873384e1ee243df4a83 100644 (file)
--- a/lib/Target/X86/X86MCInstLower.cpp
+++ b/lib/Target/X86/X86MCInstLower.cpp
@@ -515,6 +515,12 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
     }
     return;
 
+  // Emit nothing here but a comment if we can.
+  case X86::Int_MemBarrier:
+    if (OutStreamer.hasRawTextSupport())
+      OutStreamer.EmitRawText(StringRef("\t#MEMBARRIER"));
+    return;
+        
   case X86::TAILJMPr:
   case X86::TAILJMPd:
   case X86::TAILJMPd64: