Sanjay Patel 2eb3512090 [InstCombine] allow more binop (shuffle X), C transforms
The canonicalization was restricted to shuffle masks with
a 1-to-1 mapping to the constant vector, but that disqualifies
the common splat pattern. This is part of solving PR37463:
https://bugs.llvm.org/show_bug.cgi?id=37463

llvm-svn: 332479
2018-05-16 15:15:22 +00:00
..