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(parent: 98491c0) | patch
Do not introduce new shuffle patterns after operation legalization if SHUFFLE_VECTOR
authorOwen Anderson <resistor@mac.com>
Thu, 28 Aug 2014 17:49:58 +0000 (17:49 +0000)
committerOwen Anderson <resistor@mac.com>
Thu, 28 Aug 2014 17:49:58 +0000 (17:49 +0000)
commit538b1cbdf50487c2537f589e62437fe7c685def1
tree606d275fff02d2ab1163ab402aaf17851352b422tree | snapshot
parent98491c0ff953624cdaa59146c901ab32e8133b1fcommit | diff
Do not introduce new shuffle patterns after operation legalization if SHUFFLE_VECTOR
was marked custom.  The target independent DAG combine has no way to know if
the shuffles it is introducing are ones that the target could support or not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216678 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors