vendor/llvm-project/llvmorg-15-init-15358-g53dc0f107877

1 files changed, 32 insertions, 0 deletions

diff --git a/llvm/lib/Target/SPIRV/SPIRVRegisterInfo.cpp b/llvm/lib/Target/SPIRV/SPIRVRegisterInfo.cpp
new file mode 100644
index 000000000000..cf8a967d59c4
--- /dev/null
+++ b/llvm/lib/Target/SPIRV/SPIRVRegisterInfo.cpp
@@ -0,0 +1,32 @@
+//===-- SPIRVRegisterInfo.cpp - SPIR-V Register Information -----*- 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 file contains the SPIR-V implementation of the TargetRegisterInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SPIRVRegisterInfo.h"
+#include "SPIRV.h"
+#include "SPIRVSubtarget.h"
+#include "llvm/CodeGen/MachineFunction.h"
+
+#define GET_REGINFO_TARGET_DESC
+#include "SPIRVGenRegisterInfo.inc"
+using namespace llvm;
+
+SPIRVRegisterInfo::SPIRVRegisterInfo() : SPIRVGenRegisterInfo(SPIRV::ID0) {}
+
+BitVector SPIRVRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
+  return BitVector(getNumRegs());
+}
+
+const MCPhysReg *
+SPIRVRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
+  static const MCPhysReg CalleeSavedReg = {0};
+  return &CalleeSavedReg;
+}