1 files changed, 0 insertions, 73 deletions
diff --git a/llvm/lib/CodeGen/PhysRegTracker.h b/llvm/lib/CodeGen/PhysRegTracker.h
deleted file mode 100644
index 1f10c4bdaf9..00000000000
--- a/llvm/lib/CodeGen/PhysRegTracker.h
+++ /dev/null
@@ -1,73 +0,0 @@
-//===-- llvm/CodeGen/PhysRegTracker.h - Physical Register Tracker -*- C++ -*-=//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements a physical register tracker. The tracker
-// tracks physical register usage through addRegUse and
-// delRegUse. isRegAvail checks if a physical register is available or
-// not taking into consideration register aliases.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_PHYSREGTRACKER_H
-#define LLVM_CODEGEN_PHYSREGTRACKER_H
-
-#include "llvm/Target/TargetRegisterInfo.h"
-
-namespace llvm {
-
-    class PhysRegTracker {
-        const TargetRegisterInfo* tri_;
-        std::vector<unsigned> regUse_;
-
-    public:
-        explicit PhysRegTracker(const TargetRegisterInfo& tri)
-            : tri_(&tri),
-              regUse_(tri_->getNumRegs(), 0) {
-        }
-
-        PhysRegTracker(const PhysRegTracker& rhs)
-            : tri_(rhs.tri_),
-              regUse_(rhs.regUse_) {
-        }
-
-        const PhysRegTracker& operator=(const PhysRegTracker& rhs) {
-            tri_ = rhs.tri_;
-            regUse_ = rhs.regUse_;
-            return *this;
-        }
-
-        void addRegUse(unsigned physReg) {
-            assert(TargetRegisterInfo::isPhysicalRegister(physReg) &&
-                   "should be physical register!");
-            ++regUse_[physReg];
-            for (const unsigned* as = tri_->getAliasSet(physReg); *as; ++as)
-                ++regUse_[*as];
-        }
-
-        void delRegUse(unsigned physReg) {
-            assert(TargetRegisterInfo::isPhysicalRegister(physReg) &&
-                   "should be physical register!");
-            assert(regUse_[physReg] != 0);
-            --regUse_[physReg];
-            for (const unsigned* as = tri_->getAliasSet(physReg); *as; ++as) {
-                assert(regUse_[*as] != 0);
-                --regUse_[*as];
-            }
-        }
-
-        bool isRegAvail(unsigned physReg) const {
-            assert(TargetRegisterInfo::isPhysicalRegister(physReg) &&
-                   "should be physical register!");
-            return regUse_[physReg] == 0;
-        }
-    };
-
-} // End llvm namespace
-
-#endif