From 45396438c32840c33859a814436b6c7f4d3542b9 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 11 Feb 2010 18:06:56 +0000
Subject: [PATCH] Use array_pod_sort instead of std::sort for improved code
 size.

Use SmallVector instead of std::vector for better speed when indirectbr has
few successors.

llvm-svn: 95879
---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 477c1c701988..6f60c7b624e4 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2063,11 +2063,11 @@ void SelectionDAGBuilder::visitSwitch(SwitchInst &SI) {
 
 void SelectionDAGBuilder::visitIndirectBr(IndirectBrInst &I) {
   // Update machine-CFG edges with unique successors.
-  std::vector<BasicBlock*> succs;
+  SmallVector<BasicBlock*, 32> succs;
   succs.reserve(I.getNumSuccessors());
   for (unsigned i = 0, e = I.getNumSuccessors(); i != e; ++i)
     succs.push_back(I.getSuccessor(i));
-  std::sort(succs.begin(), succs.end());
+  array_pod_sort(succs.begin(), succs.end());
   succs.erase(std::unique(succs.begin(), succs.end()), succs.end());
   for (unsigned i = 0, e = succs.size(); i != e; ++i)
     CurMBB->addSuccessor(FuncInfo.MBBMap[succs[i]]);