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Handle assert_fail special
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17631 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -888,6 +888,13 @@ void GraphBuilder::visitCallSite(CallSite CS) {
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if (DSNode *N = H.getNode())
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N->setReadMarker();
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return;
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} else if (F->getName() == "__assert_fail") {
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for (CallSite::arg_iterator AI = CS.arg_begin(), E = CS.arg_end();
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AI != E; ++AI)
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if (isPointerType((*AI)->getType()))
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if (DSNode *N = getValueDest(**AI).getNode())
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N->setReadMarker();
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return;
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} else if (F->getName() == "modf" && CS.arg_end()-CS.arg_begin() == 2) {
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// This writes its second argument, and forces it to double.
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DSNodeHandle H = getValueDest(**--CS.arg_end());
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