1 files changed, 48 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/include/llvm/MC/MCDXContainerStreamer.h b/contrib/llvm-project/llvm/include/llvm/MC/MCDXContainerStreamer.h
new file mode 100644
index 000000000000..91d4ea9bc106
--- /dev/null
+++ b/contrib/llvm-project/llvm/include/llvm/MC/MCDXContainerStreamer.h
@@ -0,0 +1,48 @@
+//===- MCDXContainerStreamer.h - MCDXContainerStreamer Interface ---*- C++ ===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Overrides MCObjectStreamer to disable all unnecessary features with stubs.
+// The DXContainer format isn't a fully featured object format. It doesn't
+// support symbols, and initially it will not support instruction data since it
+// is used as a bitcode container for DXIL.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCDXCONTAINERSTREAMER_H
+#define LLVM_MC_MCDXCONTAINERSTREAMER_H
+
+#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCCodeEmitter.h"
+#include "llvm/MC/MCObjectStreamer.h"
+#include "llvm/MC/MCObjectWriter.h"
+
+namespace llvm {
+class MCInst;
+class raw_ostream;
+
+class MCDXContainerStreamer : public MCObjectStreamer {
+public:
+  MCDXContainerStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,
+                        std::unique_ptr<MCObjectWriter> OW,
+                        std::unique_ptr<MCCodeEmitter> Emitter)
+      : MCObjectStreamer(Context, std::move(TAB), std::move(OW),
+                         std::move(Emitter)) {}
+
+  bool emitSymbolAttribute(MCSymbol *, MCSymbolAttr) override { return false; }
+  void emitCommonSymbol(MCSymbol *, uint64_t, Align) override {}
+  void emitZerofill(MCSection *, MCSymbol *Symbol = nullptr, uint64_t Size = 0,
+                    Align ByteAlignment = Align(1),
+                    SMLoc Loc = SMLoc()) override {}
+
+private:
+  void emitInstToData(const MCInst &, const MCSubtargetInfo &) override;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_MC_MCDXCONTAINERSTREAMER_H