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Commit 8abf45e2 authored by Evan Cheng's avatar Evan Cheng
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Select vector_shuffle v1, undef <2, 3, ?, ?> to MOVHLPS. 

llvm-svn: 28582
parent 550cb663
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llvm/lib/Target/X86/X86InstrSSE.td
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......@@ -2453,6 +2453,14 @@ def : Pat<(v4i32 (vector_shuffle VR128:$src1, VR128:$src2,
MOVHLPS_shuffle_mask)),
(v4i32 (MOVHLPSrr VR128:$src1, VR128:$src2))>;
// vector_shuffle v1, undef <2, 3, ?, ?> using MOVHLPS
def : Pat<(v4f32 (vector_shuffle VR128:$src1, (undef),
UNPCKH_shuffle_mask)),
(v4f32 (MOVHLPSrr VR128:$src1, VR128:$src1))>;
def : Pat<(v4i32 (vector_shuffle VR128:$src1, (undef),
UNPCKH_shuffle_mask)),
(v4i32 (MOVHLPSrr VR128:$src1, VR128:$src1))>;
// vector_shuffle v1, (load v2) <4, 5, 2, 3> using MOVLPS
// vector_shuffle v1, (load v2) <0, 1, 4, 5> using MOVHPS
def : Pat<(v4f32 (vector_shuffle VR128:$src1, (loadv4f32 addr:$src2),
......
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