Revert "Null check elimination improvement"

This reverts commit 4db179d1821a9e78819d5adc8057a72f49e2aed8.

Change-Id: I059c15c85860c6c9f235b5dabaaef2edebaf1de2
diff --git a/compiler/dex/quick/codegen_util.cc b/compiler/dex/quick/codegen_util.cc
index cc185f5..2ce8f58 100644
--- a/compiler/dex/quick/codegen_util.cc
+++ b/compiler/dex/quick/codegen_util.cc
@@ -164,8 +164,7 @@
          lir->operands[0] = WrapPointer(ArenaStrdup("No instruction string"));
       }
       LOG(INFO) << "-------- dalvik offset: 0x" << std::hex
-                << lir->dalvik_offset << " @ "
-                << reinterpret_cast<char*>(UnwrapPointer(lir->operands[0]));
+                << lir->dalvik_offset << " @ " << reinterpret_cast<char*>(lir->operands[0]);
       break;
     case kPseudoExitBlock:
       LOG(INFO) << "-------- exit offset: 0x" << std::hex << dest;