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Added DAG xforms. e.g.
authorEvan Cheng <evan.cheng@apple.com>
Sat, 6 Oct 2007 02:46:29 +0000 (02:46 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Sat, 6 Oct 2007 02:46:29 +0000 (02:46 +0000)
commitc231e8c8a5af35bbecf7eca34a23e519083b1422
tree2ca252dc0aa0be653b735c672b0ab9b35232a972
parent638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6
Added DAG xforms. e.g.
(vextract (v4f32 s2v (f32 load $addr)), 0) -> (f32 load $addr)
(vextract (v4i32 bc (v4f32 s2v (f32 load $addr))), 0) -> (i32 load $addr)
Remove x86 specific patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42677 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
lib/Target/X86/X86InstrSSE.td