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learn about some more functions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20929 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-29 20:04:24 +00:00
parent c05138387a
commit 77b505670c
1 changed files with 7 additions and 4 deletions
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11
lib/Analysis/IPA/Andersens.cpp
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@ -612,11 +612,12 @@ bool Andersens::AddConstraintsForExternalCall(CallSite CS, Function *F) {
// 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 @@ bool Andersens::AddConstraintsForExternalCall(CallSite CS, Function *F) {
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))));