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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 | edf349aba6ad809d1c41d79d5eb10079cad69a6e (patch) | |
| tree | b7c92f214550822d7b328e18b2b3d71a1a67b01c /llvm/lib/Analysis/DataStructure/Local.cpp | |
| parent | 7f2cee3d3e50b9b1e6074f08bbd7febcd3072f22 (diff) | |
| download | bcm5719-llvm-edf349aba6ad809d1c41d79d5eb10079cad69a6e.tar.gz bcm5719-llvm-edf349aba6ad809d1c41d79d5eb10079cad69a6e.zip | |
deal with memchr
llvm-svn: 27830
Diffstat (limited to 'llvm/lib/Analysis/DataStructure/Local.cpp')
| -rw-r--r-- | llvm/lib/Analysis/DataStructure/Local.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/DataStructure/Local.cpp b/llvm/lib/Analysis/DataStructure/Local.cpp index 75d1f4e0bdc..738a105e2c6 100644 --- a/llvm/lib/Analysis/DataStructure/Local.cpp +++ b/llvm/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. |
