Add .bss support for inlining across dexfiles within Oat

We can safely reference other dexfiles within the same oat file for cross-dex inlining.

This CL makes the OptStat#NotInlinedBss drop to less than 1% of the not-inlining cases.

Test: ART tests
Change-Id: I676d48d973abf7a6f8412cf3b7bb73afd7747f31

1 files changed, 5 insertions, 0 deletions

diff --git a/compiler/driver/compiler_options.h b/compiler/driver/compiler_options.h
index db17bda7ac..a31be3f640 100644
--- a/compiler/driver/compiler_options.h
+++ b/compiler/driver/compiler_options.h
@@ -373,6 +373,11 @@ class CompilerOptions final {
     return initialize_app_image_classes_;
   }
 
+  bool WithinOatFile(const DexFile* dex_file) const {
+    return std::find(GetDexFilesForOatFile().begin(), GetDexFilesForOatFile().end(), dex_file) !=
+           GetDexFilesForOatFile().end();
+  }
+
  private:
   bool ParseDumpInitFailures(const std::string& option, std::string* error_msg);
   bool ParseRegisterAllocationStrategy(const std::string& option, std::string* error_msg);