Summary: Bail out of superword optimization if loop was removed (i.e., if zero-trip Opaque1Node was removed).
Reviewed-by: kvn, roland

--HG--
extra : rebase_source : c0aaf50465968cd558ac8f12e9f4577cbc2774c2

Reviewed-by: thartmann, kvn

Summary: CCP computes wrong type for CountedLoop iv Phi
Reviewed-by: kvn

Reviewed-by: kvn, vlivanov, dlong, rhalade, mschoene, iignatyev

Reviewed-by: kvn, vlivanov, dlong, rhalade, mschoene, iignatyev

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: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov

Summary: type information gets lost because replace_in_map() doesn't update parent maps
Reviewed-by: kvn, twisti

Summary: Stop current iteration of loop opts if partial_peel() failed and it created node clones outside processed loop.
Reviewed-by: roland

Summary: add guarantee() checks
Reviewed-by: kvn

Summary: Add support for expensive nodes.
Reviewed-by: kvn

Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp

Summary: Do not remove safepoints during peeling optimization.
Reviewed-by: twisti

Summary: Don't split CMove node if it's control edge is different from split region.
Reviewed-by: never

Summary: Use dead nodes elimination code in PhaseIdealLoop before executing EA.
Reviewed-by: never, twisti

Summary: Removed predicate cloning from loop peeling optimization and from split fall-in paths.
Reviewed-by: never

Summary: Do not move data nodes which are attached to a predicate test to a dominating test.
Reviewed-by: never

Summary: take into account memory dependencies when clonning nodes in clone_up_backedge_goo().
Reviewed-by: never

Summary: Fix problems in new RCE code.
Reviewed-by: never

Summary: Fix integer overflow problem in the code generated by loop optimizer.
Reviewed-by: never

Summary: Add new policy for one iteration loops (mostly formal pre- loops).
Reviewed-by: never

Summary: Clone loop predicate for clonned loops
Reviewed-by: never

Summary: Add predicates when loop head bytecode is parsed instead of when back branch bytecode is parsed.
Reviewed-by: never

Summary: Add ResourceMark into PhaseIdealLoop::build_and_optimize().
Reviewed-by: never

Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

Reviewed-by: kvn

Summary: Use replace_node() method instead of subsume_node().
Reviewed-by: jrose, never

Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

Reviewed-by: kvn

Summary: Loop predication implementation
Reviewed-by: never, kvn

Reviewed-by: kvn, twisti

Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

Reviewed-by: rasbold, kvn

Reviewed-by: rasbold, jrose

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Summary: Cloning an allocation will not allow scalar replacement since memory operations could not be associated with one allocation.
Reviewed-by: rasbold

Reviewed-by: kvn, rasbold