From d6d7abaf4ebbabb850aa9c20e1617f897608fe62 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Sun, 11 Jul 2010 16:49:10 +0000
Subject: [PATCH] Make getPhysicalRegisterRegClass non-virtual. Should be able
 to remove it soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108094 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Target/TargetRegisterInfo.h     |  2 +-
 lib/Target/ARM/Thumb1RegisterInfo.cpp        | 15 ---------------
 lib/Target/ARM/Thumb1RegisterInfo.h          |  3 ---
 lib/Target/Blackfin/BlackfinRegisterInfo.cpp | 19 -------------------
 lib/Target/Blackfin/BlackfinRegisterInfo.h   |  3 ---
 5 files changed, 1 insertion(+), 41 deletions(-)

diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h
index 6b49eb65a72..ca458c57a9a 100644
--- a/include/llvm/Target/TargetRegisterInfo.h
+++ b/include/llvm/Target/TargetRegisterInfo.h
@@ -321,7 +321,7 @@ public:
   /// getPhysicalRegisterRegClass - Returns the Register Class of a physical
   /// register of the given type. If type is EVT::Other, then just return any
   /// register class the register belongs to.
-  virtual const TargetRegisterClass *
+  const TargetRegisterClass *
     getPhysicalRegisterRegClass(unsigned Reg, EVT VT = MVT::Other) const;
 
   /// getMinimalPhysRegClass - Returns the Register Class of a physical
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.cpp b/lib/Target/ARM/Thumb1RegisterInfo.cpp
index 6c77d856538..39b70b43b23 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.cpp
+++ b/lib/Target/ARM/Thumb1RegisterInfo.cpp
@@ -68,21 +68,6 @@ void Thumb1RegisterInfo::emitLoadConstPool(MachineBasicBlock &MBB,
           .addConstantPoolIndex(Idx).addImm(Pred).addReg(PredReg);
 }
 
-const TargetRegisterClass*
-Thumb1RegisterInfo::getPhysicalRegisterRegClass(unsigned Reg, EVT VT) const {
-  if (isARMLowRegister(Reg))
-    return ARM::tGPRRegisterClass;
-  switch (Reg) {
-   default:
-    break;
-   case ARM::R8:  case ARM::R9:  case ARM::R10:  case ARM::R11:
-   case ARM::R12: case ARM::SP:  case ARM::LR:   case ARM::PC:
-    return ARM::GPRRegisterClass;
-  }
-
-  return TargetRegisterInfo::getPhysicalRegisterRegClass(Reg, VT);
-}
-
 bool Thumb1RegisterInfo::hasReservedCallFrame(MachineFunction &MF) const {
   const MachineFrameInfo *FFI = MF.getFrameInfo();
   unsigned CFSize = FFI->getMaxCallFrameSize();
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.h b/lib/Target/ARM/Thumb1RegisterInfo.h
index 860f4cb1c86..9a0308afa20 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.h
+++ b/lib/Target/ARM/Thumb1RegisterInfo.h
@@ -38,9 +38,6 @@ public:
                         unsigned PredReg = 0) const;
 
   /// Code Generation virtual methods...
-  const TargetRegisterClass *
-    getPhysicalRegisterRegClass(unsigned Reg, EVT VT = MVT::Other) const;
-
   bool hasReservedCallFrame(MachineFunction &MF) const;
 
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
index 769ef9d5b9f..06e95de1587 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
@@ -75,25 +75,6 @@ BlackfinRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   return Reserved;
 }
 
-const TargetRegisterClass*
-BlackfinRegisterInfo::getPhysicalRegisterRegClass(unsigned reg, EVT VT) const {
-  assert(isPhysicalRegister(reg) && "reg must be a physical register");
-
-  // Pick the smallest register class of the right type that contains
-  // this physreg.
-  const TargetRegisterClass* BestRC = 0;
-  for (regclass_iterator I = regclass_begin(), E = regclass_end();
-       I != E; ++I) {
-    const TargetRegisterClass* RC = *I;
-    if ((VT == MVT::Other || RC->hasType(VT)) && RC->contains(reg) &&
-        (!BestRC || RC->getNumRegs() < BestRC->getNumRegs()))
-      BestRC = RC;
-  }
-
-  assert(BestRC && "Couldn't find the register class");
-  return BestRC;
-}
-
 // hasFP - Return true if the specified function should have a dedicated frame
 // pointer register.  This is true if the function has variable sized allocas or
 // if frame pointer elimination is disabled.
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.h b/lib/Target/Blackfin/BlackfinRegisterInfo.h
index 8373be666a7..ead0b4a73c8 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.h
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.h
@@ -41,9 +41,6 @@ namespace llvm {
       return &BF::PRegClass;
     }
 
-    const TargetRegisterClass *getPhysicalRegisterRegClass(unsigned reg,
-                                                           EVT VT) const;
-
     bool hasFP(const MachineFunction &MF) const;
 
     // bool hasReservedCallFrame(MachineFunction &MF) const;