[llvm-commits] CVS: llvm/lib/Analysis/IPA/IPModRef.cpp
Chris Lattner
lattner at cs.uiuc.edu
Wed Nov 6 14:00:04 PST 2002
Changes in directory llvm/lib/Analysis/IPA:
IPModRef.cpp updated: 1.4 -> 1.5
---
Log message:
Allow the ResolveCallSiteModRefInfo method to return a mapping of nodes,
implement the mod/ref bit masking
---
Diffs of the changes:
Index: llvm/lib/Analysis/IPA/IPModRef.cpp
diff -u llvm/lib/Analysis/IPA/IPModRef.cpp:1.4 llvm/lib/Analysis/IPA/IPModRef.cpp:1.5
--- llvm/lib/Analysis/IPA/IPModRef.cpp:1.4 Wed Nov 6 13:38:43 2002
+++ llvm/lib/Analysis/IPA/IPModRef.cpp Wed Nov 6 13:59:33 2002
@@ -104,17 +104,28 @@
// 2. It clears all of the mod/ref bits in the cloned graph
// 3. It then merges the bottom-up graph(s) for the specified call-site into
// the clone (bringing new mod/ref bits).
-// 4. It returns the clone.
+// 4. It returns the clone, and a mapping of nodes from the original TDGraph to
+// the cloned graph with Mod/Ref info for the callsite.
//
// NOTE: Because this clones a dsgraph and returns it, the caller is responsible
// for deleting the returned graph!
//
-DSGraph *FunctionModRefInfo::ResolveCallSiteModRefInfo(const CallInst &CI) {
+DSGraph *FunctionModRefInfo::ResolveCallSiteModRefInfo(const CallInst &CI,
+ std::map<const DSNode*, DSNodeHandle> &NodeMap) {
+
// Step #1: Clone the top-down graph...
- DSGraph *Result = new DSGraph(funcTDGraph);
+ std::map<const DSNode*, DSNode*> RawNodeMap;
+ DSGraph *Result = new DSGraph(funcTDGraph, RawNodeMap);
+
+ // Convert the NodeMap from a map to DSNode* to be a map to DSNodeHandle's
+ NodeMap.insert(RawNodeMap.begin(), RawNodeMap.end());
+
+ // We are now done with the old map... so free it's memory...
+ RawNodeMap.clear();
+
+ // Step #2: Clear Mod/Ref information...
+ Result->maskNodeTypes(~(DSNode::Modified | DSNode::Read));
- //const Function &F = *CI.getParent()->getParent();
- //DSGraph &TDGraph = IPModRefObj.getAnalysis<TDDataStructures>().getDSGraph(F);
return Result;
@@ -133,7 +144,8 @@
callSiteModRefInfo[&callInst] = callModRefInfo;
// Get a copy of the graph for the callee with the callee inlined
- DSGraph* csgp = ResolveCallSiteModRefInfo(callInst);
+ std::map<const DSNode*, DSNodeHandle> NodeMap;
+ DSGraph* csgp = ResolveCallSiteModRefInfo(callInst, NodeMap);
// For all nodes in the graph, extract the mod/ref information
const std::vector<DSNode*>& csgNodes = csgp->getNodes();
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