diff options
| author | David Brazdil <dbrazdil@google.com> | 2015-05-07 09:59:30 +0100 |
|---|---|---|
| committer | David Brazdil <dbrazdil@google.com> | 2015-05-12 11:37:53 +0100 |
| commit | a4b8c21dae70ae34aee13628632c39a675c06022 (patch) | |
| tree | 3a72a4fcb64d61b7913f6ee3599a46b3248437b6 /compiler/optimizing/graph_visualizer.cc | |
| parent | faf935eb3a8565de98d9ec1f79c8c43c5c6eb2a7 (diff) | |
ART: Rediscover loops after deleting blocks in DCE
The way DCE currently updates loop information does not cover all
cases. This patch removes the logic, resets loop information of live
blocks to pre-SSA state and reanalyzes the affected loops.
Change-Id: I0b996a70235b95a8db0de9a23a03f71db57a21b8
Diffstat (limited to 'compiler/optimizing/graph_visualizer.cc')
| -rw-r--r-- | compiler/optimizing/graph_visualizer.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc index 7130127136..f5c630bf97 100644 --- a/compiler/optimizing/graph_visualizer.cc +++ b/compiler/optimizing/graph_visualizer.cc @@ -17,6 +17,7 @@ #include "graph_visualizer.h" #include "code_generator.h" +#include "dead_code_elimination.h" #include "licm.h" #include "nodes.h" #include "optimization.h" @@ -253,7 +254,8 @@ class HGraphVisualizerPrinter : public HGraphVisitor { } } output_ << " (liveness: " << instruction->GetLifetimePosition() << ")"; - } else if (IsPass(LICM::kLoopInvariantCodeMotionPassName)) { + } else if (IsPass(LICM::kLoopInvariantCodeMotionPassName) + || IsPass(HDeadCodeElimination::kFinalDeadCodeEliminationPassName)) { output_ << " ( loop_header:"; HLoopInformation* info = instruction->GetBlock()->GetLoopInformation(); if (info == nullptr) { |