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6715633: when matching a memory node the adr_type should not change

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Verify the adr_type of a mach node was not changed

Reviewed-by: rasbold, never
This commit is contained in:
Vladimir Kozlov 2008-06-20 11:10:05 -07:00
parent 694776b297
commit 0a077d276e
10 changed files with 90 additions and 27 deletions
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6
hotspot/src/share/vm/opto/loopTransform.cpp
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@ -690,7 +690,7 @@ void PhaseIdealLoop::insert_pre_post_loops( IdealLoopTree *loop, Node_List &old_
// (the main-loop trip-counter exit value) because we will be changing
// the exit value (via unrolling) so we cannot constant-fold away the zero
// trip guard until all unrolling is done.
Node *zer_opaq = new (C, 2) Opaque1Node(incr);
Node *zer_opaq = new (C, 2) Opaque1Node(C, incr);
Node *zer_cmp = new (C, 3) CmpINode( zer_opaq, limit );
Node *zer_bol = new (C, 2) BoolNode( zer_cmp, b_test );
register_new_node( zer_opaq, new_main_exit );
@ -760,7 +760,7 @@ void PhaseIdealLoop::insert_pre_post_loops( IdealLoopTree *loop, Node_List &old_
// pre-loop, the main-loop may not execute at all. Later in life this
// zero-trip guard will become the minimum-trip guard when we unroll
// the main-loop.
Node *min_opaq = new (C, 2) Opaque1Node(limit);
Node *min_opaq = new (C, 2) Opaque1Node(C, limit);
Node *min_cmp = new (C, 3) CmpINode( pre_incr, min_opaq );
Node *min_bol = new (C, 2) BoolNode( min_cmp, b_test );
register_new_node( min_opaq, new_pre_exit );
@ -810,7 +810,7 @@ void PhaseIdealLoop::insert_pre_post_loops( IdealLoopTree *loop, Node_List &old_
// Save the original loop limit in this Opaque1 node for
// use by range check elimination.
Node *pre_opaq = new (C, 3) Opaque1Node(pre_limit, limit);
Node *pre_opaq = new (C, 3) Opaque1Node(C, pre_limit, limit);
register_new_node( pre_limit, pre_head->in(0) );
register_new_node( pre_opaq , pre_head->in(0) );