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9f5a197eb6
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@ -27,6 +27,19 @@ std::string getPassesString(const std::vector<const PassInfo*> &Passes) {
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return Result;
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}
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// DeleteFunctionBody - "Remove" the function by deleting all of it's basic
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// blocks, making it external.
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//
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void DeleteFunctionBody(Function *F) {
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// First, break circular use/def chain references...
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for (Function::iterator I = F->begin(), E = F->end(); I != E; ++I)
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I->dropAllReferences();
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// Next, delete all of the basic blocks.
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F->getBasicBlockList().clear();
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assert(F->isExternal() && "This didn't make the function external!");
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}
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/// ParseInputFile - Given a bytecode or assembly input filename, parse and
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/// return it, or return null if not possible.
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