Enable post regalloc machine licm by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101023 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index ced6664..a62f0f6 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -66,9 +66,6 @@
     cl::desc("Verify generated machine code"),
     cl::init(getenv("LLVM_VERIFY_MACHINEINSTRS")!=NULL));
 
-static cl::opt<bool> PostRAMachineLICM("postra-machine-licm", cl::Hidden,
-    cl::desc("Enable post-regalloc Machine LICM"));
-
 static cl::opt<cl::boolOrDefault>
 AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
            cl::init(cl::BOU_UNSET));
@@ -348,8 +345,7 @@
     printAndVerify(PM, "After StackSlotColoring");
 
     // Run post-ra machine LICM to hoist reloads / remats.
-    if (PostRAMachineLICM)
-      PM.add(createMachineLICMPass(false));
+    PM.add(createMachineLICMPass(false));
   }
 
   // Run post-ra passes.