From: Zhongxing Xu Date: Wed, 9 Dec 2009 05:52:12 +0000 (+0000) Subject: remove dead code. X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a92bd303a6aed5cf12de5f76938c112b00cc06e6;p=clang remove dead code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90953 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp index dc317cf368..4a960c6937 100644 --- a/lib/Analysis/GRExprEngine.cpp +++ b/lib/Analysis/GRExprEngine.cpp @@ -1576,47 +1576,6 @@ static bool EvalOSAtomic(ExplodedNodeSet& Dst, // Transfer function: Function calls. //===----------------------------------------------------------------------===// -bool GRExprEngine::EvalBuiltinFunction(const FunctionDecl *FD, CallExpr *CE, - ExplodedNode *Pred, - ExplodedNodeSet &Dst) { - if (!FD) - return false; - - unsigned id = FD->getBuiltinID(); - if (!id) - return false; - - const GRState *state = Pred->getState(); - - switch (id) { - case Builtin::BI__builtin_expect: { - // For __builtin_expect, just return the value of the subexpression. - assert (CE->arg_begin() != CE->arg_end()); - SVal X = state->getSVal(*(CE->arg_begin())); - MakeNode(Dst, CE, Pred, state->BindExpr(CE, X)); - return true; - } - - case Builtin::BI__builtin_alloca: { - // FIXME: Refactor into StoreManager itself? - MemRegionManager& RM = getStateManager().getRegionManager(); - const MemRegion* R = - RM.getAllocaRegion(CE, Builder->getCurrentBlockCount(), - Pred->getLocationContext()); - - // Set the extent of the region in bytes. This enables us to use the - // SVal of the argument directly. If we save the extent in bits, we - // cannot represent values like symbol*8. - SVal Extent = state->getSVal(*(CE->arg_begin())); - state = getStoreManager().setExtent(state, R, Extent); - MakeNode(Dst, CE, Pred, state->BindExpr(CE, loc::MemRegionVal(R))); - return true; - } - } - - return false; -} - void GRExprEngine::VisitCall(CallExpr* CE, ExplodedNode* Pred, CallExpr::arg_iterator AI, CallExpr::arg_iterator AE,