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[DAGCombiner] Canonicalize the order of a chain of INSERT_SUBVECTORs.
authorCraig Topper <craig.topper@gmail.com>
Sat, 4 Feb 2017 23:26:39 +0000 (23:26 +0000)
committerCraig Topper <craig.topper@gmail.com>
Sat, 4 Feb 2017 23:26:39 +0000 (23:26 +0000)
commit156f3b71997e37d45e22b5aca537ea90295faabd
tree49f40eb3e15a0c58d79bba0d11323756a859ffad
parenteff9145f5d1c268ac90c1aa7a6964fdec825849e
[DAGCombiner] Canonicalize the order of a chain of INSERT_SUBVECTORs.

Based on similar code for INSERT_VECTOR_ELT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294110 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
test/CodeGen/X86/avx512-mask-op.ll