Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h

@@ -0,0 +1,74 @@
+//===-- SystemZSelectionDAGInfo.h - SystemZ SelectionDAG Info ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the SystemZ subclass for SelectionDAGTargetInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
+#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
+
+#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
+
+namespace llvm {
+
+class SystemZTargetMachine;
+
+class SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
+public:
+  explicit SystemZSelectionDAGInfo() = default;
+
+  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;
+
+  SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &DL,
+                                  SDValue Chain, SDValue Dst, SDValue Byte,
+                                  SDValue Size, unsigned Align, bool IsVolatile,
+                                  MachinePointerInfo DstPtrInfo) const override;
+
+  std::pair<SDValue, SDValue>
+  EmitTargetCodeForMemcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
+                          SDValue Src1, SDValue Src2, SDValue Size,
+                          MachinePointerInfo Op1PtrInfo,
+                          MachinePointerInfo Op2PtrInfo) const override;
+
+  std::pair<SDValue, SDValue>
+  EmitTargetCodeForMemchr(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
+                          SDValue Src, SDValue Char, SDValue Length,
+                          MachinePointerInfo SrcPtrInfo) const override;
+
+  std::pair<SDValue, SDValue> EmitTargetCodeForStrcpy(
+      SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dest,
+      SDValue Src, MachinePointerInfo DestPtrInfo,
+      MachinePointerInfo SrcPtrInfo, bool isStpcpy) const override;
+
+  std::pair<SDValue, SDValue>
+  EmitTargetCodeForStrcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
+                          SDValue Src1, SDValue Src2,
+                          MachinePointerInfo Op1PtrInfo,
+                          MachinePointerInfo Op2PtrInfo) const override;
+
+  std::pair<SDValue, SDValue>
+  EmitTargetCodeForStrlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
+                          SDValue Src,
+                          MachinePointerInfo SrcPtrInfo) const override;
+
+  std::pair<SDValue, SDValue>
+  EmitTargetCodeForStrnlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
+                           SDValue Src, SDValue MaxLength,
+                           MachinePointerInfo SrcPtrInfo) const override;
+};
+
+} // end namespace llvm
+
+#endif