1 files changed, 63 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetMachine.h b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetMachine.h
new file mode 100644
index 000000000000..75e5d68e74ee
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetMachine.h
@@ -0,0 +1,63 @@
+//=- SystemZTargetMachine.h - Define TargetMachine for SystemZ ----*- 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 declares the SystemZ specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
+#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
+
+#include "SystemZSubtarget.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/Support/CodeGen.h"
+#include "llvm/Target/TargetMachine.h"
+#include <memory>
+#include <optional>
+
+namespace llvm {
+
+class SystemZTargetMachine : public LLVMTargetMachine {
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+
+  mutable StringMap<std::unique_ptr<SystemZSubtarget>> SubtargetMap;
+
+public:
+  SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
+                       StringRef FS, const TargetOptions &Options,
+                       std::optional<Reloc::Model> RM,
+                       std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
+                       bool JIT);
+  ~SystemZTargetMachine() override;
+
+  const SystemZSubtarget *getSubtargetImpl(const Function &) const override;
+  // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
+  // subtargets are per-function entities based on the target-specific
+  // attributes of each function.
+  const SystemZSubtarget *getSubtargetImpl() const = delete;
+
+  // Override LLVMTargetMachine
+  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
+  TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
+
+  TargetLoweringObjectFile *getObjFileLowering() const override {
+    return TLOF.get();
+  }
+
+  MachineFunctionInfo *
+  createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
+                            const TargetSubtargetInfo *STI) const override;
+
+  bool targetSchedulesPostRAScheduling() const override { return true; };
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H