1 files changed, 0 insertions, 95 deletions
diff --git a/contrib/llvm/lib/CodeGen/AllocationOrder.h b/contrib/llvm/lib/CodeGen/AllocationOrder.h
deleted file mode 100644
index 9247dd844936..000000000000
--- a/contrib/llvm/lib/CodeGen/AllocationOrder.h
+++ /dev/null
@@ -1,95 +0,0 @@
-//===-- llvm/CodeGen/AllocationOrder.h - Allocation Order -*- 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 implements an allocation order for virtual registers.
-//
-// The preferred allocation order for a virtual register depends on allocation
-// hints and target hooks. The AllocationOrder class encapsulates all of that.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_CODEGEN_ALLOCATIONORDER_H
-#define LLVM_LIB_CODEGEN_ALLOCATIONORDER_H
-
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/MC/MCRegisterInfo.h"
-
-namespace llvm {
-
-class RegisterClassInfo;
-class VirtRegMap;
-class LiveRegMatrix;
-
-class LLVM_LIBRARY_VISIBILITY AllocationOrder {
-  SmallVector<MCPhysReg, 16> Hints;
-  ArrayRef<MCPhysReg> Order;
-  int Pos;
-
-  // If HardHints is true, *only* Hints will be returned.
-  bool HardHints;
-
-public:
-
-  /// Create a new AllocationOrder for VirtReg.
-  /// @param VirtReg      Virtual register to allocate for.
-  /// @param VRM          Virtual register map for function.
-  /// @param RegClassInfo Information about reserved and allocatable registers.
-  AllocationOrder(unsigned VirtReg,
-                  const VirtRegMap &VRM,
-                  const RegisterClassInfo &RegClassInfo,
-                  const LiveRegMatrix *Matrix);
-
-  /// Get the allocation order without reordered hints.
-  ArrayRef<MCPhysReg> getOrder() const { return Order; }
-
-  /// Return the next physical register in the allocation order, or 0.
-  /// It is safe to call next() again after it returned 0, it will keep
-  /// returning 0 until rewind() is called.
-  unsigned next(unsigned Limit = 0) {
-    if (Pos < 0)
-      return Hints.end()[Pos++];
-    if (HardHints)
-      return 0;
-    if (!Limit)
-      Limit = Order.size();
-    while (Pos < int(Limit)) {
-      unsigned Reg = Order[Pos++];
-      if (!isHint(Reg))
-        return Reg;
-    }
-    return 0;
-  }
-
-  /// As next(), but allow duplicates to be returned, and stop before the
-  /// Limit'th register in the RegisterClassInfo allocation order.
-  ///
-  /// This can produce more than Limit registers if there are hints.
-  unsigned nextWithDups(unsigned Limit) {
-    if (Pos < 0)
-      return Hints.end()[Pos++];
-    if (HardHints)
-      return 0;
-    if (Pos < int(Limit))
-      return Order[Pos++];
-    return 0;
-  }
-
-  /// Start over from the beginning.
-  void rewind() { Pos = -int(Hints.size()); }
-
-  /// Return true if the last register returned from next() was a preferred register.
-  bool isHint() const { return Pos <= 0; }
-
-  /// Return true if PhysReg is a preferred register.
-  bool isHint(unsigned PhysReg) const { return is_contained(Hints, PhysReg); }
-};
-
-} // end namespace llvm
-
-#endif