1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.h b/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.h
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index 000000000000..48b64488303e
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+++ b/contrib/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.h
@@ -0,0 +1,39 @@
+//===--------------------- AMDGPUFrameLowering.h ----------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file
+/// Interface to describe a layout of a stack frame on an AMDGPU target.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
+#define LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
+
+#include "llvm/CodeGen/TargetFrameLowering.h"
+
+namespace llvm {
+
+/// Information about the stack frame layout on the AMDGPU targets.
+///
+/// It holds the direction of the stack growth, the known stack alignment on
+/// entry to each function, and the offset to the locals area.
+/// See TargetFrameInfo for more comments.
+class AMDGPUFrameLowering : public TargetFrameLowering {
+public:
+  AMDGPUFrameLowering(StackDirection D, unsigned StackAl, int LAO,
+                      unsigned TransAl = 1);
+  ~AMDGPUFrameLowering() override;
+
+  /// \returns The number of 32-bit sub-registers that are used when storing
+  /// values to the stack.
+  unsigned getStackWidth(const MachineFunction &MF) const;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H