[llvm-commits] [poolalloc] r56966 - /poolalloc/trunk/lib/DSA/StdLibPass.cpp

[John Criswell]

Author: criswell
Date: Thu Oct  2 15:18:39 2008
New Revision: 56966

URL: http://llvm.org/viewvc/llvm-project?rev=56966&view=rev
Log:
Added more code to handle cases where the DSNode may be NULL for a function
pointer argument.  This can happen if the argument is a constant NULL
pointer.

Modified:
    poolalloc/trunk/lib/DSA/StdLibPass.cpp

Modified: poolalloc/trunk/lib/DSA/StdLibPass.cpp
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/lib/DSA/StdLibPass.cpp?rev=56966&r1=56965&r2=56966&view=diff

==============================================================================
--- poolalloc/trunk/lib/DSA/StdLibPass.cpp (original)
+++ poolalloc/trunk/lib/DSA/StdLibPass.cpp Thu Oct  2 15:18:39 2008
@@ -127,7 +127,8 @@
               if (recFuncs[x].action.args_read)
                 for (unsigned y = 1; y < CI->getNumOperands(); ++y)
                   if (isa<PointerType>(CI->getOperand(y)->getType()))
-                    Graph.getNodeForValue(CI->getOperand(y)).getNode()->setReadMarker();
+                    if (DSNode * Node=Graph.getNodeForValue(CI->getOperand(y)).getNode())
+                      Node->setReadMarker();
               if (recFuncs[x].action.args_write)
                 for (unsigned y = 1; y < CI->getNumOperands(); ++y)
                   if (isa<PointerType>(CI->getOperand(y)->getType()))
@@ -136,7 +137,8 @@
               if (recFuncs[x].action.args_heap)
                 for (unsigned y = 1; y < CI->getNumOperands(); ++y)
                   if (isa<PointerType>(CI->getOperand(y)->getType()))
-                    Graph.getNodeForValue(CI->getOperand(y)).getNode()->setHeapMarker();
+                    if (DSNode * Node=Graph.getNodeForValue(CI->getOperand(y)).getNode())
+                      Node->setHeapMarker();
 
               std::vector<DSNodeHandle> toMerge;
               if (recFuncs[x].action.mergeWithRet)
@@ -152,7 +154,8 @@
                 Graph.getNodeForValue(CI).getNode()->foldNodeCompletely();
                 for (unsigned y = 1; y < CI->getNumOperands(); ++y)
                   if (isa<PointerType>(CI->getOperand(y)->getType()))
-                    Graph.getNodeForValue(CI->getOperand(y)).getNode()->foldNodeCompletely();
+                    if (DSNode * Node=Graph.getNodeForValue(CI->getOperand(y)).getNode())
+                    Node->foldNodeCompletely();
               }
 
               //delete the call