Improve efficiency of JIT by having it use direct function calls instead of
signals to regain control from the executing code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6051 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/JIT.h b/lib/ExecutionEngine/JIT/JIT.h
index 3b267ed..9080b3b 100644
--- a/lib/ExecutionEngine/JIT/JIT.h
+++ b/lib/ExecutionEngine/JIT/JIT.h
@@ -50,10 +50,15 @@
///
void *getPointerToNamedFunction(const std::string &Name);
+ // CompilationCallback - Invoked the first time that a call site is found,
+ // which causes lazy compilation of the target function.
+ //
+ static void CompilationCallback();
private:
static MachineCodeEmitter *createEmitter(VM &V);
void setupPassManager();
void *getPointerToFunction(const Function *F);
+
void registerCallback();
};