blob: 892d993be324227d8d0a4fc58214eb82f351ed2e [file] [log] [blame]
namespace {
struct ForcePALinking {
ForcePALinking() {
// We must reference the passes in such a way that compilers will not
// delete it all as dead code, even with whole program optimization,
// yet is effectively a NO-OP. As the compiler isn't smart enough
// to know that getenv() never returns -1, this will do the job.
if (std::getenv("bar") != (char*) -1)
(void)new EntryPointAnalysis();
(void)new llvm::PoolAllocate();
(void)new llvm::PoolAllocateGroup();
} ForcePALinking; // Force link by creating a global definition.