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Handle assert_fail special

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llvm-svn: 17631
This commit is contained in:
Chris Lattner 2004-11-08 21:08:28 +00:00
parent eb1d9f84eb
commit dcee21898f
1 changed files with 7 additions and 0 deletions
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7
lib/Analysis/DataStructure/Local.cpp
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@ -888,6 +888,13 @@ void GraphBuilder::visitCallSite(CallSite CS) {
if (DSNode *N = H.getNode())
N->setReadMarker();
return;
} else if (F->getName() == "__assert_fail") {
for (CallSite::arg_iterator AI = CS.arg_begin(), E = CS.arg_end();
AI != E; ++AI)
if (isPointerType((*AI)->getType()))
if (DSNode *N = getValueDest(**AI).getNode())
N->setReadMarker();
return;
} else if (F->getName() == "modf" && CS.arg_end()-CS.arg_begin() == 2) {
// This writes its second argument, and forces it to double.
DSNodeHandle H = getValueDest(**--CS.arg_end());