1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/Mips/MipsFrameLowering.h b/contrib/llvm-project/llvm/lib/Target/Mips/MipsFrameLowering.h
new file mode 100644
index 000000000000..0537cfd1cb30
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/Mips/MipsFrameLowering.h
@@ -0,0 +1,57 @@
+//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
+#define LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
+
+#include "Mips.h"
+#include "llvm/CodeGen/TargetFrameLowering.h"
+
+namespace llvm {
+  class MipsSubtarget;
+
+class MipsFrameLowering : public TargetFrameLowering {
+protected:
+  const MipsSubtarget &STI;
+
+public:
+  explicit MipsFrameLowering(const MipsSubtarget &sti, unsigned Alignment)
+    : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment), STI(sti) {}
+
+  static const MipsFrameLowering *create(const MipsSubtarget &ST);
+
+  bool hasFP(const MachineFunction &MF) const override;
+
+  bool hasBP(const MachineFunction &MF) const;
+
+  bool isFPCloseToIncomingSP() const override { return false; }
+
+  bool enableShrinkWrapping(const MachineFunction &MF) const override {
+    return true;
+  }
+
+  MachineBasicBlock::iterator
+  eliminateCallFramePseudoInstr(MachineFunction &MF,
+                                MachineBasicBlock &MBB,
+                                MachineBasicBlock::iterator I) const override;
+
+protected:
+  uint64_t estimateStackSize(const MachineFunction &MF) const;
+};
+
+/// Create MipsFrameLowering objects.
+const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST);
+const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST);
+
+} // End llvm namespace
+
+#endif