Run the internalize pass to mark all functions except main internal when
linking the final program to allow smarter optimizations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2364 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccld/gccld.cpp b/tools/gccld/gccld.cpp
index 1e16aa1..8d78305 100644
--- a/tools/gccld/gccld.cpp
+++ b/tools/gccld/gccld.cpp
@@ -23,6 +23,7 @@
#include "llvm/Transforms/CleanupGCCOutput.h"
#include "llvm/Transforms/ConstantMerge.h"
#include "llvm/Transforms/IPO/GlobalDCE.h"
+#include "llvm/Transforms/IPO/Internalize.h"
#include "Support/CommandLine.h"
#include "Support/Signals.h"
#include <fstream>
@@ -81,8 +82,6 @@
}
-
-
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm linker for GCC\n",
cl::EnableSingleLetterArgValue |
@@ -148,7 +147,7 @@
// Now that composite has been compiled, scan through the module, looking for
// a main function. If main is defined, mark all other functions internal.
//
- // TODO:
+ Passes.add(createInternalizePass());
// Now that we have optimized the program, discard unreachable functions...
//