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(parent: 991b6a2) | patch
Teach DAG combine to fold (buildvec (Xint2fp x)) to (Xint2fp (buildvec x))
authorMichael Liao <michael.liao@intel.com>
Wed, 24 Oct 2012 04:14:18 +0000 (04:14 +0000)
committerMichael Liao <michael.liao@intel.com>
Wed, 24 Oct 2012 04:14:18 +0000 (04:14 +0000)
commit1a5cc710ee78bf55c3799b49c6fd37619d2dbb7b
treef06342afabab5fd60234e86c9aa727acd2807d36tree | snapshot
parent991b6a22b6592b56ae890f30c478f835480e7cf5commit | diff
Teach DAG combine to fold (buildvec (Xint2fp x)) to (Xint2fp (buildvec x))

- If more than 1 elemennts are defined and target supports the vectorized
  conversion, use the vectorized one instead to reduce the strength on
  conversion operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166546 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/cvtv2f32.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors