Improve GVN performance when merging null-checked values.
And ignore the limit on maximum number of processed basic
blocks once the GVN has actually converged and we're just
applying optimizations.
Bug: 16398693
Change-Id: Ie5aa0386ea4e0e9ae2bbf13963e2424e1713b22f
diff --git a/compiler/dex/global_value_numbering.h b/compiler/dex/global_value_numbering.h
index c06ff6f..1a38692 100644
--- a/compiler/dex/global_value_numbering.h
+++ b/compiler/dex/global_value_numbering.h
@@ -214,7 +214,7 @@
static constexpr uint32_t kMaxBbsToProcessMultiplyFactor = 20u;
uint32_t bbs_processed_;
- uint32_t max_bbs_to_process_;
+ uint32_t max_bbs_to_process_; // Doesn't apply after the main GVN has converged.
// We have 32-bit last_value_ so that we can detect when we run out of value names, see Good().
// We usually don't check Good() until the end of LVN unless we're about to modify code.