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tree-ssa-phiopt.c (value_replacement): Properly verify we are the non-singleton PHI. 

2014-10-21  Richard Biener  <rguenther@suse.de>

	* tree-ssa-phiopt.c (value_replacement): Properly verify we
	are the non-singleton PHI.

From-SVN: r216510
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Richard Biener 2014-10-21 12:31:52 +00:00 committed by Richard Biener
parent 1994d04177
commit 1a6230a84d
2 changed files with 6 additions and 1 deletions
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@ -1,3 +1,8 @@
2014-10-21 Richard Biener <rguenther@suse.de>
* tree-ssa-phiopt.c (value_replacement): Properly verify we
are the non-singleton PHI.
2014-10-21 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/63563

2
gcc/tree-ssa-phiopt.c
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@ -814,7 +814,7 @@ value_replacement (basic_block cond_bb, basic_block middle_bb,
for the edges e0 and e1 then we can remove the middle basic block. */
if (emtpy_or_with_defined_p
&& single_non_singleton_phi_for_edges (phi_nodes (gimple_bb (phi)),
e0, e1))
e0, e1) == phi)
{
replace_phi_edge_with_variable (cond_bb, e1, phi, arg);
/* Note that we optimized this PHI. */