Add runtime reasons for deopt.

Currently to help investigate. Also:
1) Log when deoptimization happens (which method and what reason)
2) Trace when deoptimization happens (to make it visible in systrace)

bug:37655083
Test: test-art-host test-art-target
Change-Id: I0c2d87b40db09e8e475cf97a7c784a034c585e97

1 files changed, 0 insertions, 12 deletions

diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc
index f250c1a10b..a8bfe610de 100644
--- a/compiler/optimizing/nodes.cc
+++ b/compiler/optimizing/nodes.cc
@@ -1422,18 +1422,6 @@ std::ostream& operator<<(std::ostream& os, const ComparisonBias& rhs) {
   }
 }
 
-std::ostream& operator<<(std::ostream& os, const HDeoptimize::Kind& rhs) {
-  switch (rhs) {
-    case HDeoptimize::Kind::kBCE:
-      return os << "bce";
-    case HDeoptimize::Kind::kInline:
-      return os << "inline";
-    default:
-      LOG(FATAL) << "Unknown Deoptimization kind: " << static_cast<int>(rhs);
-      UNREACHABLE();
-  }
-}
-
 bool HCondition::IsBeforeWhenDisregardMoves(HInstruction* instruction) const {
   return this == instruction->GetPreviousDisregardingMoves();
 }