From: Chris Lattner <sabre@nondot.org>
Date: Wed, 30 Nov 2005 18:20:52 +0000 (+0000)
Subject: CALLSEQ_START/END nodes don't get memoized, do not add them in when
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c85a9f37e92f972467962c82c08cc083c344243f;p=oota-llvm.git

CALLSEQ_START/END nodes don't get memoized, do not add them in when
replaceAllUses'ing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24539 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 8aa2bc660a8..039cd57584f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -387,6 +387,10 @@ void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
 ///
 SDNode *SelectionDAG::AddNonLeafNodeToCSEMaps(SDNode *N) {
   assert(N->getNumOperands() && "This is a leaf node!");
+  if (N->getOpcode() == ISD::CALLSEQ_START || 
+      N->getOpcode() == ISD::CALLSEQ_END)
+    return 0;
+  
   if (N->getOpcode() == ISD::LOAD) {
     SDNode *&L = Loads[std::make_pair(N->getOperand(1),
                                       std::make_pair(N->getOperand(0),