Summary: Weakened too strong assert.
Reviewed-by: kvn, roland

--HG--
extra : rebase_source : ad2511a886c7c243487bcb8c02289900400e2b93

Summary: Duplicate cmp node in empty loop if it has other users
Reviewed-by: neliasso, thartmann
Contributed-by: wanghuang3@huawei.com, xietuo@huawei.com

Reviewed-by: zgu

Reviewed-by: kvn

Summary: convert the assert into compilation check which will skip superword optimization
Reviewed-by: roland, thartmann

Reviewed-by: kvn
Contributed-by: vaibhav.x.choudhary@oracle.com

Reviewed-by: kvn

Reviewed-by: kvn

Summary: don't convert loop with safepoint on the backedge to Counted loop
Reviewed-by: kvn

Reviewed-by: kvn

Summary: don't convert loop with safepoint on the backedge to Counted loop
Reviewed-by: kvn

Summary: Ignore OOM in the test
Reviewed-by: kvn

Summary: Emit CastII to make narrow ConvI2L dependent on the corresponding range check.
Reviewed-by: kvn, roland

Reviewed-by: kvn

Summary: Prevent vectorization of memory operations with different invariant offsets if unaligned memory accesses are not allowed.
Reviewed-by: kvn

Summary: Instead of 'fpclass', use cast float->int and double->long to check if value is +0.0f and +0.0d, respectively.
Reviewed-by: kvn, simonis, dlong

Summary: Check for overflow when inverting the loop during the counted loop conversion
Reviewed-by: kvn

Summary: dead backbranch in main loop results in erroneous array access
Reviewed-by: kvn, iveresov

Summary: Array.fill intrinsification code doesn't mark replaced control as dead
Reviewed-by: kvn

Summary: Ignore OOM in the test
Reviewed-by: kvn

Summary: Emit CastII to make narrow ConvI2L dependent on the corresponding range check.
Reviewed-by: kvn, roland

Summary: Disabled narrowing of range check dependent CastIIs (either through the CastII(AddI) optimization or through CastIINode::Ideal).
Reviewed-by: vlivanov, kvn

Summary: Place new nodes on the previous loop exit in reorg_offsets().
Reviewed-by: roland