1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86SelectionDAGInfo.h b/llvm/lib/Target/X86/X86SelectionDAGInfo.h
new file mode 100644
index 000000000000..0f2d979f91e3
--- /dev/null
+++ b/llvm/lib/Target/X86/X86SelectionDAGInfo.h
@@ -0,0 +1,49 @@
+//===-- X86SelectionDAGInfo.h - X86 SelectionDAG Info -----------*- 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 defines the X86 subclass for SelectionDAGTargetInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
+#define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
+
+#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
+#include "llvm/MC/MCRegisterInfo.h"
+
+namespace llvm {
+
+class X86TargetLowering;
+class X86TargetMachine;
+class X86Subtarget;
+
+class X86SelectionDAGInfo : public SelectionDAGTargetInfo {
+  /// Returns true if it is possible for the base register to conflict with the
+  /// given set of clobbers for a memory intrinsic.
+  bool isBaseRegConflictPossible(SelectionDAG &DAG,
+                                 ArrayRef<MCPhysReg> ClobberSet) const;
+
+public:
+  explicit X86SelectionDAGInfo() = default;
+
+  SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl,
+                                  SDValue Chain, SDValue Dst, SDValue Src,
+                                  SDValue Size, unsigned Align, bool isVolatile,
+                                  MachinePointerInfo DstPtrInfo) const override;
+
+  SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
+                                  SDValue Chain, SDValue Dst, SDValue Src,
+                                  SDValue Size, unsigned Align, bool isVolatile,
+                                  bool AlwaysInline,
+                                  MachinePointerInfo DstPtrInfo,
+                                  MachinePointerInfo SrcPtrInfo) const override;
+};
+
+}
+
+#endif