Pass driver to loop opt. Add new side_effects phase.

Rationale:
Break-out CL of ART Vectorizer: number 3.
The purpose is making the original CL smaller
and easier to review.

Bug: 34083438
Test: test-art-host
Change-Id: I7cece807ee4f5fcaeae41f1deed33ac263447b77

1 files changed, 8 insertions, 1 deletions

diff --git a/compiler/optimizing/loop_optimization.h b/compiler/optimizing/loop_optimization.h
index 9ddab4150c..0b798fc7a9 100644
--- a/compiler/optimizing/loop_optimization.h
+++ b/compiler/optimizing/loop_optimization.h
@@ -23,13 +23,17 @@
 
 namespace art {
 
+class CompilerDriver;
+
 /**
  * Loop optimizations. Builds a loop hierarchy and applies optimizations to
  * the detected nested loops, such as removal of dead induction and empty loops.
  */
 class HLoopOptimization : public HOptimization {
  public:
-  HLoopOptimization(HGraph* graph, HInductionVarAnalysis* induction_analysis);
+  HLoopOptimization(HGraph* graph,
+                    CompilerDriver* compiler_driver,
+                    HInductionVarAnalysis* induction_analysis);
 
   void Run() OVERRIDE;
 
@@ -76,6 +80,9 @@ class HLoopOptimization : public HOptimization {
   bool TryReplaceWithLastValue(HInstruction* instruction, HBasicBlock* block);
   void RemoveDeadInstructions(const HInstructionList& list);
 
+  // Compiler driver (to query ISA features).
+  const CompilerDriver* compiler_driver_;
+
   // Range information based on prior induction variable analysis.
   InductionVarRange induction_range_;