Run the simplify CFG pass after instcombine which has the effect of deleting
ALL of the global ctor/dtor stuff if it is not used!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6916 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccld/gccld.cpp b/tools/gccld/gccld.cpp
index 283118d..5b56bd8 100644
--- a/tools/gccld/gccld.cpp
+++ b/tools/gccld/gccld.cpp
@@ -405,6 +405,10 @@
//
Passes.add(createInstructionCombiningPass());
+ // Delete basic blocks, which optimization passes may have killed...
+ //
+ Passes.add(createCFGSimplificationPass());
+
// Now that we have optimized the program, discard unreachable functions...
//
Passes.add(createGlobalDCEPass());