From 38306d53f9319d0a36a059b229b807578cb2e5c5 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Thu, 15 Jul 2010 18:43:09 +0000
Subject: [PATCH] Use std::vector instead of
 TargetRegisterInfo::FirstVirtualRegister.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108440 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/AggressiveAntiDepBreaker.cpp | 20 ++++++++++----------
 lib/CodeGen/AggressiveAntiDepBreaker.h   |  8 ++++----
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
index a7189acc3fe..50e5ace3bc3 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.cpp
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
@@ -145,8 +145,8 @@ void AggressiveAntiDepBreaker::StartBlock(MachineBasicBlock *BB) {
   State = new AggressiveAntiDepState(TRI->getNumRegs(), BB);
 
   bool IsReturnBlock = (!BB->empty() && BB->back().getDesc().isReturn());
-  unsigned *KillIndices = State->GetKillIndices();
-  unsigned *DefIndices = State->GetDefIndices();
+  std::vector<unsigned> &KillIndices = State->GetKillIndices();
+  std::vector<unsigned> &DefIndices = State->GetDefIndices();
 
   // Determine the live-out physregs for this block.
   if (IsReturnBlock) {
@@ -226,7 +226,7 @@ void AggressiveAntiDepBreaker::Observe(MachineInstr *MI, unsigned Count,
   DEBUG(MI->dump());
   DEBUG(dbgs() << "\tRegs:");
 
-  unsigned *DefIndices = State->GetDefIndices();
+  std::vector<unsigned> &DefIndices = State->GetDefIndices();
   for (unsigned Reg = 0; Reg != TRI->getNumRegs(); ++Reg) {
     // If Reg is current live, then mark that it can't be renamed as
     // we don't know the extent of its live-range anymore (now that it
@@ -328,8 +328,8 @@ void AggressiveAntiDepBreaker::HandleLastUse(unsigned Reg, unsigned KillIdx,
                                              const char *tag,
                                              const char *header,
                                              const char *footer) {
-  unsigned *KillIndices = State->GetKillIndices();
-  unsigned *DefIndices = State->GetDefIndices();
+  std::vector<unsigned> &KillIndices = State->GetKillIndices();
+  std::vector<unsigned> &DefIndices = State->GetDefIndices();
   std::multimap<unsigned, AggressiveAntiDepState::RegisterReference>&
     RegRefs = State->GetRegRefs();
 
@@ -364,7 +364,7 @@ void AggressiveAntiDepBreaker::HandleLastUse(unsigned Reg, unsigned KillIdx,
 void AggressiveAntiDepBreaker::PrescanInstruction(MachineInstr *MI,
                                                   unsigned Count,
                                              std::set<unsigned>& PassthruRegs) {
-  unsigned *DefIndices = State->GetDefIndices();
+  std::vector<unsigned> &DefIndices = State->GetDefIndices();
   std::multimap<unsigned, AggressiveAntiDepState::RegisterReference>&
     RegRefs = State->GetRegRefs();
 
@@ -560,8 +560,8 @@ bool AggressiveAntiDepBreaker::FindSuitableFreeRegisters(
                                 unsigned AntiDepGroupIndex,
                                 RenameOrderType& RenameOrder,
                                 std::map<unsigned, unsigned> &RenameMap) {
-  unsigned *KillIndices = State->GetKillIndices();
-  unsigned *DefIndices = State->GetDefIndices();
+  std::vector<unsigned> &KillIndices = State->GetKillIndices();
+  std::vector<unsigned> &DefIndices = State->GetDefIndices();
   std::multimap<unsigned, AggressiveAntiDepState::RegisterReference>&
     RegRefs = State->GetRegRefs();
 
@@ -733,8 +733,8 @@ unsigned AggressiveAntiDepBreaker::BreakAntiDependencies(
                               MachineBasicBlock::iterator Begin,
                               MachineBasicBlock::iterator End,
                               unsigned InsertPosIndex) {
-  unsigned *KillIndices = State->GetKillIndices();
-  unsigned *DefIndices = State->GetDefIndices();
+  std::vector<unsigned> &KillIndices = State->GetKillIndices();
+  std::vector<unsigned> &DefIndices = State->GetDefIndices();
   std::multimap<unsigned, AggressiveAntiDepState::RegisterReference>&
     RegRefs = State->GetRegRefs();
 
diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.h b/lib/CodeGen/AggressiveAntiDepBreaker.h
index 8946fedbd1d..9d715ccf79f 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.h
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.h
@@ -66,20 +66,20 @@ namespace llvm {
 
     /// KillIndices - The index of the most recent kill (proceding bottom-up),
     /// or ~0u if the register is not live.
-    unsigned KillIndices[TargetRegisterInfo::FirstVirtualRegister];
+    std::vector<unsigned> KillIndices;
 
     /// DefIndices - The index of the most recent complete def (proceding bottom
     /// up), or ~0u if the register is live.
-    unsigned DefIndices[TargetRegisterInfo::FirstVirtualRegister];
+    std::vector<unsigned> DefIndices;
 
   public:
     AggressiveAntiDepState(const unsigned TargetRegs, MachineBasicBlock *BB);
 
     /// GetKillIndices - Return the kill indices.
-    unsigned *GetKillIndices() { return KillIndices; }
+    std::vector<unsigned> &GetKillIndices() { return KillIndices; }
 
     /// GetDefIndices - Return the define indices.
-    unsigned *GetDefIndices() { return DefIndices; }
+    std::vector<unsigned> &GetDefIndices() { return DefIndices; }
 
     /// GetRegRefs - Return the RegRefs map.
     std::multimap<unsigned, RegisterReference>& GetRegRefs() { return RegRefs; }
-- 
2.34.1