Fix problem with dangling referrers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4595 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/IPModRef.cpp b/lib/Analysis/DataStructure/IPModRef.cpp
index 0f9da42..6b7095b 100644
--- a/lib/Analysis/DataStructure/IPModRef.cpp
+++ b/lib/Analysis/DataStructure/IPModRef.cpp
@@ -158,6 +158,9 @@
if (csgNodes[i]->isRead())
callModRefInfo->setNodeIsRef(getNodeId(origNodes[i]));
}
+
+ // Drop nodemap before we delete the graph...
+ NodeMap.clear();
delete csgp;
}
@@ -194,7 +197,6 @@
// class IPModRef: An interprocedural pass that computes IP Mod/Ref info.
//----------------------------------------------------------------------------
-
// Free the FunctionModRefInfo objects cached in funcToModRefInfoMap.
//
void IPModRef::releaseMemory()
@@ -215,6 +217,7 @@
bool IPModRef::run(Module &theModule)
{
M = &theModule;
+
for (Module::const_iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI)
if (! FI->isExternal())
getFuncInfo(*FI, /*computeIfMissing*/ true);