Invoke typed arraycopy for primitive arrays.
Apps will always call the Object version of arraycopy. When
we can infer the types of the passed arrays, replace the method
being called to be the typed System.arraycopy one.
10% improvement on ExoPlayerBench.
Test: 641-checker-arraycopy
bug: 7103825
Change-Id: I872d7a6e163a4614510ef04ae582eb90ec48b5fa
diff --git a/test/641-checker-arraycopy/info.txt b/test/641-checker-arraycopy/info.txt
new file mode 100644
index 0000000..1a1111e
--- /dev/null
+++ b/test/641-checker-arraycopy/info.txt
@@ -0,0 +1,2 @@
+Checker test for testing the arraycopy optimization in
+instruction simplifier.