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-rw-r--r--compiler/optimizing/nodes.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 71ad8e57a7..6960ceb965 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -650,6 +650,7 @@ class HLoopInformation : public ArenaObject<kArenaAllocLoopInfo> {
: header_(header),
suspend_check_(nullptr),
irreducible_(false),
+ contains_irreducible_loop_(false),
back_edges_(graph->GetArena()->Adapter(kArenaAllocLoopInfoBackEdges)),
// Make bit vector growable, as the number of blocks may change.
blocks_(graph->GetArena(), graph->GetBlocks().size(), true, kArenaAllocLoopInfoBackEdges) {
@@ -657,6 +658,7 @@ class HLoopInformation : public ArenaObject<kArenaAllocLoopInfo> {
}
bool IsIrreducible() const { return irreducible_; }
+ bool ContainsIrreducibleLoop() const { return contains_irreducible_loop_; }
void Dump(std::ostream& os);
@@ -727,6 +729,10 @@ class HLoopInformation : public ArenaObject<kArenaAllocLoopInfo> {
bool HasBackEdgeNotDominatedByHeader() const;
+ bool IsPopulated() const {
+ return blocks_.GetHighestBitSet() != -1;
+ }
+
private:
// Internal recursive implementation of `Populate`.
void PopulateRecursive(HBasicBlock* block);
@@ -735,6 +741,7 @@ class HLoopInformation : public ArenaObject<kArenaAllocLoopInfo> {
HBasicBlock* header_;
HSuspendCheck* suspend_check_;
bool irreducible_;
+ bool contains_irreducible_loop_;
ArenaVector<HBasicBlock*> back_edges_;
ArenaBitVector blocks_;