Implement DCE of global values

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1360 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/IPO/GlobalDCE.h

@@ -0,0 +1,21 @@
+//===-- Transforms/IPO/GlobalDCE.h - DCE global values -----------*- C++ -*--=//
+//
+// This transform is designed to eliminate unreachable internal globals
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORM_IPO_GLOBALDCE_H
+#define LLVM_TRANSFORM_IPO_GLOBALDCE_H
+
+namespace cfg { class CallGraph; }
+class Module;
+
+struct GlobalDCE { 
+
+  // run - Do the GlobalDCE pass on the specified module, optionally updating
+  // the specified callgraph to reflect the changes.
+  //
+  bool run(Module *M, cfg::CallGraph *CG = 0);
+};
+
+#endif