forked from OSchip/llvm-project
AVX512: Add extract_subvector patterns v8i1->v4i1 , v4i1->v2i1.
Differential Revision: http://reviews.llvm.org/D17953 llvm-svn: 262929
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@ -2512,6 +2512,14 @@ defm : operation_subvector_mask_lowering<VK16, v16i1, VK64, v64i1>;
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defm : operation_subvector_mask_lowering<VK32, v32i1, VK64, v64i1>;
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defm : operation_subvector_mask_lowering<VK32, v32i1, VK64, v64i1>;
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def : Pat<(v2i1 (extract_subvector (v4i1 VK4:$src), (iPTR 2))),
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(v2i1 (COPY_TO_REGCLASS
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(KSHIFTRWri (COPY_TO_REGCLASS VK4:$src, VK16), (i8 2)),
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VK2))>;
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def : Pat<(v4i1 (extract_subvector (v8i1 VK8:$src), (iPTR 4))),
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(v4i1 (COPY_TO_REGCLASS
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(KSHIFTRWri (COPY_TO_REGCLASS VK8:$src, VK16), (i8 4)),
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VK4))>;
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def : Pat<(v8i1 (extract_subvector (v16i1 VK16:$src), (iPTR 8))),
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def : Pat<(v8i1 (extract_subvector (v16i1 VK16:$src), (iPTR 8))),
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(v8i1 (COPY_TO_REGCLASS (KSHIFTRWri VK16:$src, (i8 8)), VK8))>;
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(v8i1 (COPY_TO_REGCLASS (KSHIFTRWri VK16:$src, (i8 8)), VK8))>;
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def : Pat<(v16i1 (extract_subvector (v32i1 VK32:$src), (iPTR 16))),
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def : Pat<(v16i1 (extract_subvector (v32i1 VK32:$src), (iPTR 16))),
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@ -145,3 +145,26 @@ define <64 x i1> @test8(<8 x i1> %a, <8 x i1>%b) {
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ret <64 x i1> %res
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ret <64 x i1> %res
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}
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}
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define <4 x i1> @test9(<8 x i1> %a, <8 x i1> %b) {
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; CHECK-LABEL: test9:
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; CHECK: # BB#0:
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; CHECK-NEXT: vpsllw $15, %xmm0, %xmm0
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; CHECK-NEXT: vpmovw2m %xmm0, %k0
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; CHECK-NEXT: kshiftrw $4, %k0, %k0
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; CHECK-NEXT: vpmovm2d %k0, %xmm0
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; CHECK-NEXT: retq
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%res = shufflevector <8 x i1> %a, <8 x i1> %b, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
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ret <4 x i1> %res
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}
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define <2 x i1> @test10(<4 x i1> %a, <4 x i1> %b) {
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; CHECK-LABEL: test10:
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; CHECK: # BB#0:
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; CHECK-NEXT: vpslld $31, %xmm0, %xmm0
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; CHECK-NEXT: vptestmd %xmm0, %xmm0, %k0
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; CHECK-NEXT: kshiftrw $2, %k0, %k0
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; CHECK-NEXT: vpmovm2q %k0, %xmm0
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; CHECK-NEXT: retq
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%res = shufflevector <4 x i1> %a, <4 x i1> %b, <2 x i32> <i32 2, i32 3>
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ret <2 x i1> %res
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}
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