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Diffstat (limited to 'compiler/optimizing/loop_optimization.h')
-rw-r--r--compiler/optimizing/loop_optimization.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/optimizing/loop_optimization.h b/compiler/optimizing/loop_optimization.h
index b2bf1c8507..9c4b462a1f 100644
--- a/compiler/optimizing/loop_optimization.h
+++ b/compiler/optimizing/loop_optimization.h
@@ -46,7 +46,7 @@ class HLoopOptimization : public HOptimization {
inner(nullptr),
previous(nullptr),
next(nullptr) {}
- const HLoopInformation* const loop_info;
+ HLoopInformation* const loop_info;
LoopNode* outer;
LoopNode* inner;
LoopNode* previous;
@@ -61,9 +61,10 @@ class HLoopOptimization : public HOptimization {
void TraverseLoopsInnerToOuter(LoopNode* node);
void SimplifyInduction(LoopNode* node);
+ void SimplifyBlocks(LoopNode* node);
void RemoveIfEmptyLoop(LoopNode* node);
- bool IsOnlyUsedAfterLoop(const HLoopInformation& loop_info,
+ bool IsOnlyUsedAfterLoop(HLoopInformation* loop_info,
HInstruction* instruction,
/*out*/ int32_t* use_count);
void ReplaceAllUses(HInstruction* instruction, HInstruction* replacement);
@@ -87,6 +88,11 @@ class HLoopOptimization : public HOptimization {
// Contents reside in phase-local heap memory.
ArenaSet<HInstruction*>* iset_;
+ // Counter that tracks how many induction cycles have been simplified. Useful
+ // to trigger incremental updates of induction variable analysis of outer loops
+ // when the induction of inner loops has changed.
+ int32_t induction_simplication_count_;
+
friend class LoopOptimizationTest;
DISALLOW_COPY_AND_ASSIGN(HLoopOptimization);