[X86] Remove some unused pattern fragments from td file. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319143 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index 4702ba7583d90eadcd3487fd5fdafdba1970d075..c4e89bdac5ad3055c25052ce186a43f7e4967bb2 100644 (file)
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -8377,16 +8377,6 @@ defm VSCATTERPF1DPD: avx512_gather_scatter_prefetch<0xC6, MRM6m, "vscatterpf1dpd
 defm VSCATTERPF1QPD: avx512_gather_scatter_prefetch<0xC7, MRM6m, "vscatterpf1qpd",
                      VK8WM, vz512mem>, EVEX_V512, VEX_W, EVEX_CD8<64, CD8VT1>;
 
-// Helper fragments to match sext vXi1 to vXiY.
-def v64i1sextv64i8 : PatLeaf<(v64i8
-                              (X86vsext
-                               (v64i1 (X86pcmpgtm
-                                (bc_v64i8 (v16i32 immAllZerosV)),
-                                VR512:$src))))>;
-def v32i1sextv32i16 : PatLeaf<(v32i16 (X86vsrai VR512:$src, (i8 15)))>;
-def v16i1sextv16i32 : PatLeaf<(v16i32 (X86vsrai VR512:$src, (i8 31)))>;
-def v8i1sextv8i64   : PatLeaf<(v8i64 (X86vsrai VR512:$src, (i8 63)))>;
-
 multiclass cvt_by_vec_width<bits<8> opc, X86VectorVTInfo Vec, string OpcodeStr > {
 def rr : AVX512XS8I<opc, MRMSrcReg, (outs Vec.RC:$dst), (ins Vec.KRC:$src),
                   !strconcat(OpcodeStr##Vec.Suffix, "\t{$src, $dst|$dst, $src}"),