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[X86] Make combineLoopSADPattern use CONCAT_VECTORS instead of INSERT_SUBVECTORS...
authorCraig Topper <craig.topper@intel.com>
Fri, 23 Aug 2019 06:08:33 +0000 (06:08 +0000)
committerCraig Topper <craig.topper@intel.com>
Fri, 23 Aug 2019 06:08:33 +0000 (06:08 +0000)
commit8169ca80f68693d9f2553de9a94ce4ab8792dbb6
treee9d6f0294e9df39f692bbdadb7e6f16ba4a7ab5ftree | snapshot
parentfd9c08961386a4997600b9e38a00615d77505414commit | diff
[X86] Make combineLoopSADPattern use CONCAT_VECTORS instead of INSERT_SUBVECTORS for widening with zeros.

CONCAT_VECTORS is more canonical for the early DAG combine runs
until we start getting into the op legalization phases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369734 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
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