From e66f822eccae57b97a03911e36f39acfdbaeff7f Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 27 Jun 2007 05:23:00 +0000
Subject: Replace std::set with SmallPtrSet.

llvm-svn: 37746
---
 llvm/lib/CodeGen/LiveVariables.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/CodeGen/LiveVariables.cpp')

diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index 65129eb14cc..6f8e956b866 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -32,6 +32,7 @@
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/ADT/DepthFirstIterator.h"
+#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Config/alloca.h"
 #include <algorithm>
@@ -424,9 +425,10 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &mf) {
   // nodes, which are treated as a special case).
   //
   MachineBasicBlock *Entry = MF->begin();
-  std::set<MachineBasicBlock*> Visited;
-  for (df_ext_iterator<MachineBasicBlock*> DFI = df_ext_begin(Entry, Visited),
-         E = df_ext_end(Entry, Visited); DFI != E; ++DFI) {
+  SmallPtrSet<MachineBasicBlock*,16> Visited;
+  for (df_ext_iterator<MachineBasicBlock*, SmallPtrSet<MachineBasicBlock*,16> >
+         DFI = df_ext_begin(Entry, Visited), E = df_ext_end(Entry, Visited);
+       DFI != E; ++DFI) {
     MachineBasicBlock *MBB = *DFI;
 
     // Mark live-in registers as live-in.
-- 
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