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| author | Andrew Lenharth <andrewl@lenharth.org> | 2006-04-19 15:34:02 +0000 |
|---|---|---|
| committer | Andrew Lenharth <andrewl@lenharth.org> | 2006-04-19 15:34:02 +0000 |
| commit | 613926904f34a48d1ef27ff1bfda5062859a3358 (patch) | |
| tree | eaba01f7cedc1651034e3f1e15aa88482bd85fd5 /lib/Analysis/DataStructure/Local.cpp | |
| parent | 5e091f3e329a28918130f246c30e4e10d120f36b (diff) | |
| download | llvm-613926904f34a48d1ef27ff1bfda5062859a3358.tar.gz llvm-613926904f34a48d1ef27ff1bfda5062859a3358.tar.bz2 llvm-613926904f34a48d1ef27ff1bfda5062859a3358.tar.xz | |
deal with memchr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27830 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/DataStructure/Local.cpp')
| -rw-r--r-- | lib/Analysis/DataStructure/Local.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Analysis/DataStructure/Local.cpp b/lib/Analysis/DataStructure/Local.cpp index 75d1f4e0bd..738a105e2c 100644 --- a/lib/Analysis/DataStructure/Local.cpp +++ b/lib/Analysis/DataStructure/Local.cpp @@ -636,6 +636,13 @@ void GraphBuilder::visitCallSite(CallSite CS) { 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. |