1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyRegisterInfo.h b/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyRegisterInfo.h
new file mode 100644
index 000000000000..7880eb217dbf
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyRegisterInfo.h
@@ -0,0 +1,53 @@
+// WebAssemblyRegisterInfo.h - WebAssembly Register Information Impl -*- 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
+/// This file contains the WebAssembly implementation of the
+/// WebAssemblyRegisterInfo class.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H
+#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H
+
+#define GET_REGINFO_HEADER
+#include "WebAssemblyGenRegisterInfo.inc"
+
+namespace llvm {
+
+class MachineFunction;
+class RegScavenger;
+class TargetRegisterClass;
+class Triple;
+
+class WebAssemblyRegisterInfo final : public WebAssemblyGenRegisterInfo {
+  const Triple &TT;
+
+public:
+  explicit WebAssemblyRegisterInfo(const Triple &TT);
+
+  // Code Generation virtual methods.
+  const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
+  BitVector getReservedRegs(const MachineFunction &MF) const override;
+  void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
+                           unsigned FIOperandNum,
+                           RegScavenger *RS = nullptr) const override;
+
+  // Debug information queries.
+  Register getFrameRegister(const MachineFunction &MF) const override;
+
+  const TargetRegisterClass *
+  getPointerRegClass(const MachineFunction &MF,
+                     unsigned Kind = 0) const override;
+  // This does not apply to wasm.
+  const uint32_t *getNoPreservedMask() const override { return nullptr; }
+};
+
+} // end namespace llvm
+
+#endif