Optimizing: Rewrite DCE's MarkReachableBlocks().
Replace a recursive implementation with a loop using a work
list to avoid stack overflow that we would presumably hit
for 702-LargeBranchOffset in host debug build with -O0, once
the DCE block elimination is enabled for methods containing
try-catch.
Bug: 24133462
Change-Id: I41288ba368722bcb5d68259c7c147552c8928099
diff --git a/compiler/utils/array_ref.h b/compiler/utils/array_ref.h
index 303e0d5..48f0328 100644
--- a/compiler/utils/array_ref.h
+++ b/compiler/utils/array_ref.h
@@ -161,6 +161,15 @@
value_type* data() { return array_; }
const value_type* data() const { return array_; }
+ ArrayRef SubArray(size_type pos) const {
+ return SubArray(pos, size_ - pos);
+ }
+ ArrayRef SubArray(size_type pos, size_type length) const {
+ DCHECK_LE(pos, size());
+ DCHECK_LE(length, size() - pos);
+ return ArrayRef(array_ + pos, length);
+ }
+
private:
T* array_;
size_t size_;