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author	Richard Biener <rguenther@suse.de>
	Tue, 4 Aug 2015 13:51:50 +0000 (13:51 +0000)
committer	Richard Biener <rguenth@gcc.gnu.org>
	Tue, 4 Aug 2015 13:51:50 +0000 (13:51 +0000)
commit	59c20dc74df24fa8e14ade6aecbfd4a1c6bbe30c
tree	675f4300ac613114d6435cea0bc7cc8fdd7fcdc3	tree \| snapshot
parent	058e4c71c29989185bf59888d85d536eed50013d	commit \| diff

gimple-fold.c (gimple_fold_stmt_to_constant_1): Canonicalize bool compares on RHS.

2015-08-04 Richard Biener <rguenther@suse.de>

* gimple-fold.c (gimple_fold_stmt_to_constant_1): Canonicalize
bool compares on RHS.
* match.pd: Add X ==/!= !X is false/true pattern.

* gcc.dg/tree-ssa/ssa-ccp-38.c: New testcase.

From-SVN: r226576

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/gimple-fold.c		diff \| blob \| blame \| history
gcc/match.pd		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-38.c	[new file with mode: 0644]	blob

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