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[X86] Remove isel patterns for kshifts with types that don't support kshift natively. 

We should only be creating natively supported kshifts now.

llvm-svn: 321577
This commit is contained in:
Craig Topper 2017-12-30 06:45:46 +00:00
parent c5fd31a802
commit 97cc7b0377
1 changed files with 0 additions and 17 deletions
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17
llvm/lib/Target/X86/X86InstrAVX512.td
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@ -3087,23 +3087,6 @@ defm : operation_subvector_mask_lowering<VK16, v16i1, VK64, v64i1>;
defm : operation_subvector_mask_lowering<VK32, v32i1, VK64, v64i1>;
// Patterns for kmask shift
multiclass mask_shift_lowering<RegisterClass RC, ValueType VT> {
def : Pat<(VT (X86kshiftl RC:$src, (i8 imm:$imm))),
(VT (COPY_TO_REGCLASS
(KSHIFTLWri (COPY_TO_REGCLASS RC:$src, VK16),
(I8Imm $imm)),
RC))>;
def : Pat<(VT (X86kshiftr RC:$src, (i8 imm:$imm))),
(VT (COPY_TO_REGCLASS
(KSHIFTRWri (COPY_TO_REGCLASS RC:$src, VK16),
(I8Imm $imm)),
RC))>;
}
defm : mask_shift_lowering<VK8, v8i1>, Requires<[HasAVX512, NoDQI]>;
defm : mask_shift_lowering<VK4, v4i1>, Requires<[HasAVX512]>;
defm : mask_shift_lowering<VK2, v2i1>, Requires<[HasAVX512]>;
//===----------------------------------------------------------------------===//
// AVX-512 - Aligned and unaligned load and store
//