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8078426: mb/jvm/compiler/InterfaceCalls/testAC2 - assert(predicate_proj == 0L) failed: only one predicate entry expected

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Split if finds predicates on several incoming paths when unswitched's loops are optimized out

Reviewed-by: kvn
This commit is contained in:
Roland Westrelin 2015-04-29 14:43:12 -07:00
parent add46c476a
commit 3cdae26a75
3 changed files with 85 additions and 2 deletions
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hotspot/src/share/vm/opto/loopPredicate.cpp
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@ -89,7 +89,7 @@ void PhaseIdealLoop::register_control(Node* n, IdealLoopTree *loop, Node* pred)
//
// We will create a region to guard the uct call if there is no one there.
// The true projecttion (if_cont) of the new_iff is returned.
// This code is also used to clone predicates to clonned loops.
// This code is also used to clone predicates to cloned loops.
ProjNode* PhaseIdealLoop::create_new_if_for_predicate(ProjNode* cont_proj, Node* new_entry,
Deoptimization::DeoptReason reason) {
assert(cont_proj->is_uncommon_trap_if_pattern(reason), "must be a uct if pattern!");