diff options
Diffstat (limited to 'compiler/optimizing/nodes.h')
| -rw-r--r-- | compiler/optimizing/nodes.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h index 677a4f8591..e60a7e62db 100644 --- a/compiler/optimizing/nodes.h +++ b/compiler/optimizing/nodes.h @@ -650,6 +650,7 @@ class HInstruction : public ArenaObject { virtual bool NeedsEnvironment() const { return false; } virtual bool IsControlFlow() const { return false; } + virtual bool CanThrow() const { return false; } bool HasSideEffects() const { return side_effects_.HasSideEffects(); } void AddUseAt(HInstruction* user, size_t index) { @@ -1642,6 +1643,8 @@ class HNullCheck : public HExpression<1> { virtual bool NeedsEnvironment() const { return true; } + virtual bool CanThrow() const { return true; } + uint32_t GetDexPc() const { return dex_pc_; } DECLARE_INSTRUCTION(NullCheck); @@ -1802,6 +1805,8 @@ class HBoundsCheck : public HExpression<2> { virtual bool NeedsEnvironment() const { return true; } + virtual bool CanThrow() const { return true; } + uint32_t GetDexPc() const { return dex_pc_; } DECLARE_INSTRUCTION(BoundsCheck); @@ -1956,8 +1961,12 @@ class HGraphVisitor : public ValueObject { virtual void VisitInstruction(HInstruction* instruction) {} virtual void VisitBasicBlock(HBasicBlock* block); + // Visit the graph following basic block insertion order. void VisitInsertionOrder(); + // Visit the graph following dominator tree reverse post-order. + void VisitReversePostOrder(); + HGraph* GetGraph() const { return graph_; } // Visit functions for instruction classes. |