Oliver Stannard
8c2c67e63c
LLVM incorrectly folds xor into select
...
LLVM replaces the SelectionDAG pattern (xor (set_cc cc x y) 1) with
(set_cc !cc x y), which is only correct when the xor has type i1.
Instead, we should check that the constant operand to the xor is all
ones.
llvm-svn: 221693
2014-11-11 17:36:01 +00:00
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