DebugIR: Delete -debug-ir

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222945 91177308-0d34-0410-b5e6-96231b3b80d8

tools/opt/opt.cpp

@@ -307,7 +307,6 @@ int main(int argc, char **argv) {
   // Initialize passes
   PassRegistry &Registry = *PassRegistry::getPassRegistry();
   initializeCore(Registry);
-  initializeDebugIRPass(Registry);
   initializeScalarOpts(Registry);
   initializeObjCARCOpts(Registry);
   initializeVectorization(Registry);