r244930 - in /branches/gcc-5-branch/gcc: Change...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Jan 26 13:08:43 2017
New Revision: 244930

URL: https://gcc.gnu.org/viewcvs?rev=244930&root=gcc&view=rev
Log:
2017-01-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2016-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79034
	* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
	Propagate out degenerate PHIs in the joiner.

	* g++.dg/torture/pr79034.C: New testcase.

	2016-11-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/78224
	* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
	Split the fallthru edge in case its successor may have PHIs.
	Do not free dominance info.

	* g++.dg/torture/pr78224.C: New testcase.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/torture/pr78224.C
    branches/gcc-5-branch/gcc/testsuite/g++.dg/torture/pr79034.C
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/testsuite/ChangeLog
    branches/gcc-5-branch/gcc/tree-call-cdce.c