------- Comment #12 from spop at gcc dot gnu dot org 2009-10-21 23:05 ------- Subject: Bug 41497
Author: spop Date: Wed Oct 21 23:05:39 2009 New Revision: 153441 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153441 Log: PR tree-optimization/41497 * tree-scalar-evolution.c (analyze_evolution_in_loop): Return chrec_dont_know if the evolution function returned by follow_ssa_edge is constant in the analyzed loop and is not compatible with the initial value before the loop. * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS. * gcc.dg/tree-ssa/pr41497.c: New. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr41497.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-chrec.h trunk/gcc/tree-scalar-evolution.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41497