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add a fixme

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llvm-svn: 12388
This commit is contained in:
Chris Lattner 2004-03-14 19:31:00 +00:00
parent 36e8168af5
commit da20cdaaf2
1 changed files with 5 additions and 0 deletions
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tools/bugpoint/ExtractFunction.cpp
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@ -144,6 +144,11 @@ void llvm::DeleteFunctionBody(Function *F) {
/// SplitFunctionsOutOfModule - Given a module and a list of functions in the /// SplitFunctionsOutOfModule - Given a module and a list of functions in the
/// module, split the functions OUT of the specified module, and place them in /// module, split the functions OUT of the specified module, and place them in
/// the new module. /// the new module.
///
/// FIXME: this could be made DRAMATICALLY more efficient for large programs if
/// we just MOVED functions from one module to the other, instead of cloning the
/// whole module, then proceeding to delete an entire module's worth of stuff.
///
Module *llvm::SplitFunctionsOutOfModule(Module *M, Module *llvm::SplitFunctionsOutOfModule(Module *M,
const std::vector<Function*> &F) { const std::vector<Function*> &F) {
// Make sure functions & globals are all external so that linkage // Make sure functions & globals are all external so that linkage