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r251337 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: amker at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 24 Aug 2017 15:38:39 -0000
- Subject: r251337 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: amker
Date: Thu Aug 24 15:38:39 2017
New Revision: 251337
URL: https://gcc.gnu.org/viewcvs?rev=251337&root=gcc&view=rev
Log:
PR tree-optimization/81913
* tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
analysis when either IVs in condition can wrap.
gcc/testsuite
* gcc.c-torture/execute/pr81913.c: New test.
* gcc.dg/tree-ssa/loop-niter-1.c: New test.
* gcc.dg/tree-ssa/loop-niter-2.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr81913.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/loop-niter-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/loop-niter-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-niter.c