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don't mark the arguments of prototype overdefined, they will never be queried. 

llvm-svn: 85793
This commit is contained in:
Chris Lattner 2009-11-02 06:34:04 +00:00
parent 5503328332
commit 47837c5182
1 changed files with 6 additions and 3 deletions
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9
llvm/lib/Transforms/Scalar/SCCP.cpp
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@ -1646,16 +1646,19 @@ bool IPSCCP::runOnModule(Module &M) {
// Loop over all functions, marking arguments to those with their addresses
// taken or that are external as overdefined.
//
for (Module::iterator F = M.begin(), E = M.end(); F != E; ++F)
for (Module::iterator F = M.begin(), E = M.end(); F != E; ++F) {
if (F->isDeclaration())
continue;
if (!F->hasLocalLinkage() || AddressIsTaken(F)) {
if (!F->isDeclaration())
Solver.MarkBlockExecutable(F->begin());
Solver.MarkBlockExecutable(F->begin());
for (Function::arg_iterator AI = F->arg_begin(), E = F->arg_end();
AI != E; ++AI)
Solver.markOverdefined(AI);
} else {
Solver.AddTrackedFunction(F);
}
}
// Loop over global variables. We inform the solver about any internal global
// variables that do not have their 'addresses taken'. If they don't have