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-rw-r--r--llvm/lib/Target/X86/X86MCInstLower.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86MCInstLower.cpp b/llvm/lib/Target/X86/X86MCInstLower.cpp
index e55b7265cb9..ae20e689ef8 100644
--- a/llvm/lib/Target/X86/X86MCInstLower.cpp
+++ b/llvm/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:
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