diff options
| author | Chris Lattner <sabre@nondot.org> | 2003-11-09 03:32:52 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-11-09 03:32:52 +0000 |
| commit | 67ce57ac49da7e3ca58df573c81d91175784b433 (patch) | |
| tree | 1f539c7572f279f4d93c438b9a998b5e73528c35 /lib | |
| parent | 0bb3c2b85450cc65ef81b34f1df1af1175951cf7 (diff) | |
| download | llvm-67ce57ac49da7e3ca58df573c81d91175784b433.tar.gz llvm-67ce57ac49da7e3ca58df573c81d91175784b433.tar.bz2 llvm-67ce57ac49da7e3ca58df573c81d91175784b433.tar.xz | |
Add support for memmove
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9824 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Analysis/DataStructure/Local.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Analysis/DataStructure/Local.cpp b/lib/Analysis/DataStructure/Local.cpp index f3406b7699..0aca21a437 100644 --- a/lib/Analysis/DataStructure/Local.cpp +++ b/lib/Analysis/DataStructure/Local.cpp @@ -446,6 +446,15 @@ void GraphBuilder::visitCallSite(CallSite CS) { if (DSNode *N = RetNH.getNode()) N->setModifiedMarker(); return; + } else if (F->getName() == "memmove") { + // Merge the first & second arguments with the result, and mark the + // memory read and modified. + DSNodeHandle RetNH = getValueDest(*CS.getInstruction()); + RetNH.mergeWith(getValueDest(**CS.arg_begin())); + RetNH.mergeWith(getValueDest(**(CS.arg_begin()+1))); + if (DSNode *N = RetNH.getNode()) + N->setModifiedMarker()->setReadMarker(); + return; } else if (F->getName() == "bzero") { // Mark the memory modified. DSNodeHandle H = getValueDest(**CS.arg_begin()); |