From a1461ccfa0f19b2a81afb401c1d772f751edf7ae Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 24 Feb 2010 21:25:08 +0000
Subject: [PATCH] revert david's patch which does not even build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97057 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2108717c5b6..41050211b2e 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6344,8 +6344,8 @@ bool ShuffleVectorSDNode::isSplatMask(const int *Mask, EVT VT) {
 }
 
 static void checkForCyclesHelper(const SDNode *N,
-                                 SmallPtrSet<const SDNode *, 32> &visited,
-                                 SmallPtrSet<const SDNode *, 32> &checked) {
+                                 std::set<const SDNode *> &visited,
+                                 std::set<const SDNode *> &checked) {
   if (checked.find(N) != checked.end())
     return;
 
@@ -6371,8 +6371,8 @@ static void checkForCyclesHelper(const SDNode *N,
 void llvm::checkForCycles(const llvm::SDNode *N) {
 #ifdef XDEBUG
   assert(N && "Checking nonexistant SDNode");
-  SmallPtrSet<const SDNode *, 32> visited;
-  SmallPtrSet<const SDNode *, 32> checked;
+  std::set<const SDNode *> visited;
+  std::set<const SDNode *> checked;
   checkForCyclesHelper(N, visited, checked);
 #endif
 }
-- 
2.34.1