r206721 - /branches/google/gcc-4_8/gcc/tree-ssa...

[dehao@gcc.gnu.org]

Author: dehao
Date: Fri Jan 17 17:32:12 2014
New Revision: 206721

URL: http://gcc.gnu.org/viewcvs?rev=206721&root=gcc&view=rev
Log:
Disallows overwritting of precomputed loop bound in AutoFDO mode so that profile on cunroll/vectorized code would introduce very low loop bound.

2013-02-17  Dehao Chen  <dehao@google.com>

	* gcc/tree-ssa-loop-niter.c (record_niter_bound): Disable overwriting
	of niter bound in AutoFDO if it was pre-computed.

Modified:
    branches/google/gcc-4_8/gcc/tree-ssa-loop-niter.c