Added an assertion since it seems like AdjList returns an errornous size in method

IGNode::pushOnStack().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1116 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/RegAlloc/IGNode.cpp b/lib/CodeGen/RegAlloc/IGNode.cpp
index 75007a0898bdddfdda788ef8c724e3b71e2807a5..d8473d2370bb765bb36c315578a6146435fd4b3c 100644 (file)
--- a/lib/CodeGen/RegAlloc/IGNode.cpp
+++ b/lib/CodeGen/RegAlloc/IGNode.cpp
@@ -15,9 +15,14 @@ IGNode::IGNode(LiveRange *const PLR, unsigned int Ind): Index(Ind),
 void IGNode::pushOnStack()            // sets on to stack and 
 {                                     // reduce the degree of neighbors  
   OnStack = true; 
-  unsigned int neighs = AdjList.size();
+  int neighs = AdjList.size();
 
-  for(unsigned int i=0; i < neighs; i++)  (AdjList[i])->decCurDegree();
+  if( neighs < 0) {
+    cout << "\nAdj List size = " << neighs;
+    assert(0 && "Invalid adj list size");
+  }
+
+  for(int i=0; i < neighs; i++)  (AdjList[i])->decCurDegree();
 }
  
 

diff --git a/lib/Target/SparcV9/RegAlloc/IGNode.cpp b/lib/Target/SparcV9/RegAlloc/IGNode.cpp
index 75007a0898bdddfdda788ef8c724e3b71e2807a5..d8473d2370bb765bb36c315578a6146435fd4b3c 100644 (file)
--- a/lib/Target/SparcV9/RegAlloc/IGNode.cpp
+++ b/lib/Target/SparcV9/RegAlloc/IGNode.cpp
@@ -15,9 +15,14 @@ IGNode::IGNode(LiveRange *const PLR, unsigned int Ind): Index(Ind),
 void IGNode::pushOnStack()            // sets on to stack and 
 {                                     // reduce the degree of neighbors  
   OnStack = true; 
-  unsigned int neighs = AdjList.size();
+  int neighs = AdjList.size();
 
-  for(unsigned int i=0; i < neighs; i++)  (AdjList[i])->decCurDegree();
+  if( neighs < 0) {
+    cout << "\nAdj List size = " << neighs;
+    assert(0 && "Invalid adj list size");
+  }
+
+  for(int i=0; i < neighs; i++)  (AdjList[i])->decCurDegree();
 }