[NFC][ARM][ParallelDSP] Refactor narrow sequence
authorSam Parker <sam.parker@arm.com>
Thu, 30 May 2019 15:26:37 +0000 (15:26 +0000)
committerSam Parker <sam.parker@arm.com>
Thu, 30 May 2019 15:26:37 +0000 (15:26 +0000)
commit913604a637d59a44ce81601a024034b4b0221ec6
tree818375adc60861e0f85e287d5b0de5b53bcad15b
parent202c3ffcbfda4d2a53d4b8e5c1c9140b321b02da
[NFC][ARM][ParallelDSP] Refactor narrow sequence

Most of the code used for finding a 'narrow' sequence is not used,
so I've removed it and simplified the calls from the smlad matcher.

llvm-svn: 362104
llvm/lib/Target/ARM/ARMParallelDSP.cpp