[llvm-commits] CVS: llvm/lib/Analysis/DataStructure/Local.cpp

[Andrew Lenharth]

Changes in directory llvm/lib/Analysis/DataStructure:

Local.cpp updated: 1.149 -> 1.150
---
Log message:

deal with memchr

---
Diffs of the changes:  (+7 -0)

 Local.cpp |    7 +++++++
 1 files changed, 7 insertions(+)


Index: llvm/lib/Analysis/DataStructure/Local.cpp
diff -u llvm/lib/Analysis/DataStructure/Local.cpp:1.149 llvm/lib/Analysis/DataStructure/Local.cpp:1.150
--- llvm/lib/Analysis/DataStructure/Local.cpp:1.149	Tue Apr 18 22:45:25 2006
+++ llvm/lib/Analysis/DataStructure/Local.cpp	Wed Apr 19 10:34:02 2006
@@ -636,6 +636,13 @@
                 N->setReadMarker();
           }
           return;
+        } else if (F->getName() == "memchr") {
+          DSNodeHandle RetNH = getValueDest(**CS.arg_begin());
+          DSNodeHandle Result = getValueDest(*CS.getInstruction());
+          RetNH.mergeWith(Result);
+          if (DSNode *N = RetNH.getNode())
+            N->setReadMarker();
+          return;
         } else if (F->getName() == "read" || F->getName() == "pipe" ||
                    F->getName() == "wait" || F->getName() == "time") {
           // These functions write all of their pointer operands.