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(parent: 8b5a6b6) | patch
Teach DAG combiner to turn a BUILD_VECTOR of UNDEFs into an UNDEF of vector type.
authorCraig Topper <craig.topper@gmail.com>
Tue, 17 Jan 2012 09:09:48 +0000 (09:09 +0000)
committerCraig Topper <craig.topper@gmail.com>
Tue, 17 Jan 2012 09:09:48 +0000 (09:09 +0000)
commitd3b588965daf43d5fd13c7bf6603c9f8017a041c
tree5fa147de8c9702e753e04459d2ec2ed8857bfc4etree | snapshot
parent8b5a6b63dd2e04ba770f216345402b7c80e8f228commit | diff
Teach DAG combiner to turn a BUILD_VECTOR of UNDEFs into an UNDEF of vector type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148297 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors