learn about some more functions.
llvm-svn: 20929
diff --git a/llvm/lib/Analysis/IPA/Andersens.cpp b/llvm/lib/Analysis/IPA/Andersens.cpp
index ed9d549..9ed21e0 100644
--- a/llvm/lib/Analysis/IPA/Andersens.cpp
+++ b/llvm/lib/Analysis/IPA/Andersens.cpp
@@ -612,11 +612,12 @@
// These functions don't induce any points-to constraints.
if (F->getName() == "printf" || F->getName() == "fprintf" ||
F->getName() == "sprintf" ||
- F->getName() == "fgets" ||
+ F->getName() == "fgets" || F->getName() == "__assert_fail" ||
F->getName() == "open" || F->getName() == "fopen" ||
F->getName() == "fclose" || F->getName() == "fflush" ||
F->getName() == "rewind" ||
- F->getName() == "atoi" || F->getName() == "unlink" ||
+ F->getName() == "atoi" || F->getName() == "atol" ||
+ F->getName() == "unlink" ||
F->getName() == "sscanf" || F->getName() == "fscanf" ||
F->getName() == "llvm.memset" || F->getName() == "memcmp" ||
F->getName() == "read" || F->getName() == "write")
@@ -633,8 +634,10 @@
return true;
}
- if (F->getName() == "realloc") {
- // Result = Arg
+ // Result = Arg0
+ if (F->getName() == "realloc" || F->getName() == "strchr" ||
+ F->getName() == "strrchr" || F->getName() == "strstr" ||
+ F->getName() == "strtok") {
Constraints.push_back(Constraint(Constraint::Copy,
getNode(CS.getInstruction()),
getNode(CS.getArgument(0))));