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[X86] Remove unused isel pattern for zero extend from v16i1/v8i1 to v16i32/v8i64. 

We have custom lowering on vzext that produces a vselect and a build vector. So zext never gets to isel.

llvm-svn: 322381
This commit is contained in:
Craig Topper 2018-01-12 17:34:09 +00:00
parent e81e944199
commit cb09bd1227
1 changed files with 0 additions and 5 deletions
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5
llvm/lib/Target/X86/X86InstrAVX512.td
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@ -1337,11 +1337,6 @@ defm VPBROADCASTDr : avx512_int_broadcast_reg_vl<0x7C, avx512vl_i32_info,
defm VPBROADCASTQr : avx512_int_broadcast_reg_vl<0x7C, avx512vl_i64_info,
X86VBroadcast, GR64, HasAVX512>, VEX_W;
def : Pat <(v16i32 (X86vzext VK16WM:$mask)),
(VPBROADCASTDrZrkz VK16WM:$mask, (i32 (MOV32ri 0x1)))>;
def : Pat <(v8i64 (X86vzext VK8WM:$mask)),
(VPBROADCASTQrZrkz VK8WM:$mask, (i64 (MOV64ri 0x1)))>;
// Provide aliases for broadcast from the same register class that
// automatically does the extract.
multiclass avx512_int_broadcast_rm_lowering<X86VectorVTInfo DestInfo,