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(parent: 3bbb4b1) | patch
[x86] Teach lots of the new vector shuffle lowering to use UNPCK
authorChandler Carruth <chandlerc@gmail.com>
Sat, 16 Aug 2014 09:42:15 +0000 (09:42 +0000)
committerChandler Carruth <chandlerc@gmail.com>
Sat, 16 Aug 2014 09:42:15 +0000 (09:42 +0000)
commita3805f1c73d7bdb8fd51e5add0f0fb58b71f1086
tree4cb04c0de5afe86d50396b33ecbd05b2aa4de148tree | snapshot
parent3bbb4b15ae2743f2212f4856cd4eed9ef50f84ffcommit | diff
[x86] Teach lots of the new vector shuffle lowering to use UNPCK
instructions for blend operations at 128 bits. This was a serious hole
in our prior blend lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215819 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/vector-shuffle-128-v2.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-128-v4.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-256-v4.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors