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r205848 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: amker
Date: Tue Dec 10 06:31:41 2013
New Revision: 205848

URL: http://gcc.gnu.org/viewcvs?rev=205848&root=gcc&view=rev
Log:

	PR tree-optimization/41488
	* tree-ssa-loop-ivopts.c (add_old_iv_candidates): Don't add cand
	for PEELED_CHREC kind IV.
	* tree-scalar-evolution.c: Include necessary header files.
	(peeled_chrec_map, simplify_peeled_chrec): New.
	(analyze_evolution_in_loop): New static variable.
	Call simplify_peeled_chrec.
	(scev_initialize): Initialize peeled_chrec_map.
	(scev_reset, scev_finalize): Reset and release peeled_chrec_map.

	PR tree-optimization/41488
	* gcc.dg/tree-ssa/scev-7.c: New test.
	* gcc.dg/pr41488.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr41488.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/scev-7.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-scalar-evolution.c
    trunk/gcc/tree-ssa-loop-ivopts.c


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