From ef09c63e7ba5dd5410655f71d35eb7245893b1f1 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 31 Jan 2004 21:27:19 +0000
Subject: [PATCH] Finegrainify namespacification, use new
 MRegisterInfo::isVirtualRegister method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11037 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/LiveVariables.cpp |  2 +-
 lib/CodeGen/RegAllocLocal.cpp | 14 ++++++--------
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 845af13a30b..45b9ba8f2bc 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -58,7 +58,7 @@ MachineBasicBlock *LiveVariables::getIndexMachineBasicBlock(unsigned Idx) {
 }
 
 LiveVariables::VarInfo &LiveVariables::getVarInfo(unsigned RegIdx) {
-  assert(RegIdx >= MRegisterInfo::FirstVirtualRegister &&
+  assert(MRegisterInfo::isVirtualRegister(RegIdx) &&
          "getVarInfo: not a virtual register!");
   RegIdx -= MRegisterInfo::FirstVirtualRegister;
   if (RegIdx >= VirtRegInfo.size()) {
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index 5ffe5afc4db..680bda7cdca 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -25,8 +25,7 @@
 #include "Support/Debug.h"
 #include "Support/Statistic.h"
 #include <iostream>
-
-namespace llvm {
+using namespace llvm;
 
 namespace {
   Statistic<> NumSpilled ("ra-local", "Number of registers spilled");
@@ -75,14 +74,14 @@ namespace {
     std::vector<bool> VirtRegModified;
 
     void markVirtRegModified(unsigned Reg, bool Val = true) {
-      assert(Reg >= MRegisterInfo::FirstVirtualRegister && "Illegal VirtReg!");
+      assert(MRegisterInfo::isVirtualRegister(Reg) && "Illegal VirtReg!");
       Reg -= MRegisterInfo::FirstVirtualRegister;
       if (VirtRegModified.size() <= Reg) VirtRegModified.resize(Reg+1);
       VirtRegModified[Reg] = Val;
     }
 
     bool isVirtRegModified(unsigned Reg) const {
-      assert(Reg >= MRegisterInfo::FirstVirtualRegister && "Illegal VirtReg!");
+      assert(MRegisterInfo::isVirtualRegister(Reg) && "Illegal VirtReg!");
       assert(Reg - MRegisterInfo::FirstVirtualRegister < VirtRegModified.size()
 	     && "Illegal virtual register!");
       return VirtRegModified[Reg - MRegisterInfo::FirstVirtualRegister];
@@ -524,7 +523,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
              KE = LV->killed_end(MI); KI != KE; ++KI) {
         unsigned VirtReg = KI->second;
         unsigned PhysReg = VirtReg;
-        if (VirtReg >= MRegisterInfo::FirstVirtualRegister) {
+        if (MRegisterInfo::isVirtualRegister(VirtReg)) {
           std::map<unsigned, unsigned>::iterator I =
             Virt2PhysRegMap.find(VirtReg);
           assert(I != Virt2PhysRegMap.end());
@@ -602,7 +601,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
              KE = LV->dead_end(MI); KI != KE; ++KI) {
         unsigned VirtReg = KI->second;
         unsigned PhysReg = VirtReg;
-        if (VirtReg >= MRegisterInfo::FirstVirtualRegister) {
+        if (MRegisterInfo::isVirtualRegister(VirtReg)) {
           std::map<unsigned, unsigned>::iterator I =
             Virt2PhysRegMap.find(VirtReg);
           assert(I != Virt2PhysRegMap.end());
@@ -668,8 +667,7 @@ bool RA::runOnMachineFunction(MachineFunction &Fn) {
   return true;
 }
 
-FunctionPass *createLocalRegisterAllocator() {
+FunctionPass *llvm::createLocalRegisterAllocator() {
   return new RA();
 }
 
-} // End llvm namespace