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(parent: 8c775a4) | patch
[X86][SSE] psrl(w/d/q) and psll(w/d/q) bit shifts for SSE2
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 3 Feb 2015 21:58:29 +0000 (21:58 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 3 Feb 2015 21:58:29 +0000 (21:58 +0000)
commit3d04e48cb671bec91baf2b2b5e3e98153a3cb73a
treedfb9aef99d7ec27db684007f42d57ddb627321batree | snapshot
parent8c775a4e7b39674f0450b63d176fc090d4f8d379commit | diff
[X86][SSE] psrl(w/d/q) and psll(w/d/q) bit shifts for SSE2

Patch to match cases where shuffle masks can be reduced to bit shifts. Similar to byte shift shuffle matching from D5699.

Differential Revision: http://reviews.llvm.org/D6649

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228047 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/combine-or.ll diff | blob | history
test/CodeGen/X86/vec_insert-5.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-128-v16.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-128-v4.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-128-v8.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-256-v16.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-256-v32.ll diff | blob | history
test/CodeGen/X86/vector-shuffle-256-v8.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors