tree 2e3be6fdc182e5cf5ae390019457af5e9c1ed242
parent 4d2c611bf17ff309abfa152e56c0b98a21ec8787
author Calin Juravle <calin@google.com> 1421088346 +0000
committer Calin Juravle <calin@google.com> 1421850395 +0000

Record implicit null checks at the actual invoke time.

ImplicitNullChecks are recorded only for instructions directly (see NB
below) preceeded by NullChecks in the graph. This way we avoid recording
redundant safepoints and minimize the code size increase.

NB: ParallalelMoves might be inserted by the register allocator between
the NullChecks and their uses. These modify the environment and the
correct action would be to reverse their modification. This will be
addressed in a follow-up CL.

Change-Id: Ie50006e5a4bd22932dcf11348f5a655d253cd898