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Author SHA1 Message Date
Sanjay Patel a44dc32708 [SystemZ] make test immune to scalarization improvements; NFC 
The undef operands mean this test is probably still too fragile
to accomplish what the comments suggest.

llvm-svn: 349164
 2018-12-14 17:28:52 +00:00
Jonas Paulsson e9f7fa83d5 [SelectionDAG] Handle big endian target BITCAST in computeKnownBits() 
The BITCAST handling in computeKnownBits() previously only worked for little
endian.

This patch reverses the iteration over elements for a big endian target which
allows this to work in this case also.

SystemZ test case.

Review: Eli Friedman
https://reviews.llvm.org/D44249

llvm-svn: 327764
 2018-03-17 08:04:00 +00:00