[X86][AVX] Add v16i16 horizontal op redundant shuffle tests

llvm-svn: 337565

1 files changed, 127 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/haddsub-shuf.ll b/llvm/test/CodeGen/X86/haddsub-shuf.ll
index 1cb9bcc27b9..935d3254d5c 100644
--- a/llvm/test/CodeGen/X86/haddsub-shuf.ll
+++ b/llvm/test/CodeGen/X86/haddsub-shuf.ll
@@ -377,6 +377,70 @@ define <8 x i16> @hadd_v8i16(<8 x i16> %a) {
   ret <8 x i16> %shuf
 }
 
+define <16 x i16> @hadd_v16i16a(<16 x i16> %a) {
+; SSSE3-LABEL: hadd_v16i16a:
+; SSSE3:       # %bb.0:
+; SSSE3-NEXT:    movdqa %xmm0, %xmm2
+; SSSE3-NEXT:    phaddw %xmm1, %xmm2
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm2[0,1,0,1]
+; SSSE3-NEXT:    movdqa %xmm2, %xmm1
+; SSSE3-NEXT:    retq
+;
+; AVX1-LABEL: hadd_v16i16a:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vphaddw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[0,1,0,1]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: hadd_v16i16a:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vphaddw %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,0,2,1]
+; AVX2-NEXT:    retq
+  %a0 = shufflevector <16 x i16> %a, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %a1 = shufflevector <16 x i16> %a, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %hop = add <8 x i16> %a0, %a1
+  %shuf = shufflevector <8 x i16> %hop, <8 x i16> undef, <16 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 4, i32 5, i32 6, i32 7>
+  ret <16 x i16> %shuf
+}
+
+define <16 x i16> @hadd_v16i16b(<16 x i16> %a) {
+; SSSE3-LABEL: hadd_v16i16b:
+; SSSE3:       # %bb.0:
+; SSSE3-NEXT:    phaddw %xmm0, %xmm0
+; SSSE3-NEXT:    phaddw %xmm1, %xmm1
+; SSSE3-NEXT:    retq
+;
+; AVX1-LABEL: hadd_v16i16b:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm1 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; AVX1-NEXT:    vpshufb %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpshufb %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm4 = [2,3,6,7,10,11,14,15,14,15,10,11,12,13,14,15]
+; AVX1-NEXT:    vpshufb %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vpaddw %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vpshufb %xmm4, %xmm3, %xmm2
+; AVX1-NEXT:    vpaddw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    vmovddup {{.*#+}} ymm0 = ymm0[0,0,2,2]
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: hadd_v16i16b:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vphaddw %ymm0, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,1,0,1,4,5,4,5]
+; AVX2-NEXT:    retq
+  %a0 = shufflevector <16 x i16> %a, <16 x i16> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef, i32 8, i32 10, i32 12, i32 14, i32 undef, i32 undef, i32 undef, i32 undef>
+  %a1 = shufflevector <16 x i16> %a, <16 x i16> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 9, i32 11, i32 13, i32 15, i32 undef, i32 undef, i32 undef, i32 undef>
+  %hop = add <16 x i16> %a0, %a1
+  %shuf = shufflevector <16 x i16> %hop, <16 x i16> undef, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11, i32 8, i32 9, i32 10, i32 11>
+  ret <16 x i16> %shuf
+}
+
 define <8 x i16> @hsub_v8i16(<8 x i16> %a) {
 ; SSSE3-LABEL: hsub_v8i16:
 ; SSSE3:       # %bb.0:
@@ -394,3 +458,66 @@ define <8 x i16> @hsub_v8i16(<8 x i16> %a) {
   ret <8 x i16> %shuf
 }
 
+define <16 x i16> @hsub_v16i16a(<16 x i16> %a) {
+; SSSE3-LABEL: hsub_v16i16a:
+; SSSE3:       # %bb.0:
+; SSSE3-NEXT:    movdqa %xmm0, %xmm2
+; SSSE3-NEXT:    phsubw %xmm1, %xmm2
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm2[0,1,0,1]
+; SSSE3-NEXT:    movdqa %xmm2, %xmm1
+; SSSE3-NEXT:    retq
+;
+; AVX1-LABEL: hsub_v16i16a:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vphsubw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[0,1,0,1]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: hsub_v16i16a:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vphsubw %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,0,2,1]
+; AVX2-NEXT:    retq
+  %a0 = shufflevector <16 x i16> %a, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %a1 = shufflevector <16 x i16> %a, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %hop = sub <8 x i16> %a0, %a1
+  %shuf = shufflevector <8 x i16> %hop, <8 x i16> undef, <16 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 4, i32 5, i32 6, i32 7>
+  ret <16 x i16> %shuf
+}
+
+define <16 x i16> @hsub_v16i16b(<16 x i16> %a) {
+; SSSE3-LABEL: hsub_v16i16b:
+; SSSE3:       # %bb.0:
+; SSSE3-NEXT:    phsubw %xmm0, %xmm0
+; SSSE3-NEXT:    phsubw %xmm1, %xmm1
+; SSSE3-NEXT:    retq
+;
+; AVX1-LABEL: hsub_v16i16b:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm1 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; AVX1-NEXT:    vpshufb %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpshufb %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm4 = [2,3,6,7,10,11,14,15,14,15,10,11,12,13,14,15]
+; AVX1-NEXT:    vpshufb %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubw %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vpshufb %xmm4, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    vmovddup {{.*#+}} ymm0 = ymm0[0,0,2,2]
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: hsub_v16i16b:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vphsubw %ymm0, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,1,0,1,4,5,4,5]
+; AVX2-NEXT:    retq
+  %a0 = shufflevector <16 x i16> %a, <16 x i16> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef, i32 8, i32 10, i32 12, i32 14, i32 undef, i32 undef, i32 undef, i32 undef>
+  %a1 = shufflevector <16 x i16> %a, <16 x i16> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 9, i32 11, i32 13, i32 15, i32 undef, i32 undef, i32 undef, i32 undef>
+  %hop = sub <16 x i16> %a0, %a1
+  %shuf = shufflevector <16 x i16> %hop, <16 x i16> undef, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11, i32 8, i32 9, i32 10, i32 11>
+  ret <16 x i16> %shuf
+}