1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/DirectX/DirectXFrameLowering.h b/contrib/llvm-project/llvm/lib/Target/DirectX/DirectXFrameLowering.h
new file mode 100644
index 000000000000..76a1450054be
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/DirectX/DirectXFrameLowering.h
@@ -0,0 +1,35 @@
+//===-- DirectXFrameLowering.h - Frame lowering for DirectX --*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This class implements DirectX-specific bits of TargetFrameLowering class.
+// This is just a stub because the current DXIL backend does not actually lower
+// through the MC layer.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DIRECTX_DIRECTXFRAMELOWERING_H
+#define LLVM_DIRECTX_DIRECTXFRAMELOWERING_H
+
+#include "llvm/CodeGen/TargetFrameLowering.h"
+#include "llvm/Support/Alignment.h"
+
+namespace llvm {
+class DirectXSubtarget;
+
+class DirectXFrameLowering : public TargetFrameLowering {
+public:
+  explicit DirectXFrameLowering(const DirectXSubtarget &STI)
+      : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(8), 0) {}
+
+  void emitPrologue(MachineFunction &, MachineBasicBlock &) const override {}
+  void emitEpilogue(MachineFunction &, MachineBasicBlock &) const override {}
+
+  bool hasFP(const MachineFunction &) const override { return false; }
+};
+} // namespace llvm
+#endif // LLVM_DIRECTX_DIRECTXFRAMELOWERING_H