diff options
Diffstat (limited to 'tools/bugpoint/BugDriver.cpp')
-rw-r--r-- | tools/bugpoint/BugDriver.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/bugpoint/BugDriver.cpp b/tools/bugpoint/BugDriver.cpp index 05dff34b84..7a2ce26a85 100644 --- a/tools/bugpoint/BugDriver.cpp +++ b/tools/bugpoint/BugDriver.cpp @@ -27,6 +27,19 @@ std::string getPassesString(const std::vector<const PassInfo*> &Passes) { return Result; } +// DeleteFunctionBody - "Remove" the function by deleting all of it's basic +// blocks, making it external. +// +void DeleteFunctionBody(Function *F) { + // First, break circular use/def chain references... + for (Function::iterator I = F->begin(), E = F->end(); I != E; ++I) + I->dropAllReferences(); + + // Next, delete all of the basic blocks. + F->getBasicBlockList().clear(); + + assert(F->isExternal() && "This didn't make the function external!"); +} /// ParseInputFile - Given a bytecode or assembly input filename, parse and /// return it, or return null if not possible. |