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-rw-r--r--tools/bugpoint/BugDriver.cpp13
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.