diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/lower-vec-shift.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/lower-vec-shift.ll b/llvm/test/CodeGen/X86/lower-vec-shift.ll index 8474f7e7530..1dfb8ca65bc 100644 --- a/llvm/test/CodeGen/X86/lower-vec-shift.ll +++ b/llvm/test/CodeGen/X86/lower-vec-shift.ll @@ -207,3 +207,35 @@ define <4 x i32> @test8(<4 x i32> %a) { %lshr = ashr <4 x i32> %a, <i32 3, i32 3, i32 2, i32 2> ret <4 x i32> %lshr } + +define <8 x i16> @test9(<8 x i16> %a) { +; SSE-LABEL: test9: +; SSE: # %bb.0: +; SSE-NEXT: movdqa {{.*#+}} xmm2 = [65535,0,65535,65535,65535,0,0,0] +; SSE-NEXT: movdqa %xmm0, %xmm1 +; SSE-NEXT: pand %xmm2, %xmm1 +; SSE-NEXT: psraw $2, %xmm0 +; SSE-NEXT: pandn %xmm0, %xmm2 +; SSE-NEXT: por %xmm2, %xmm1 +; SSE-NEXT: psraw $1, %xmm1 +; SSE-NEXT: movdqa %xmm1, %xmm0 +; SSE-NEXT: retq +; +; AVX1-LABEL: test9: +; AVX1: # %bb.0: +; AVX1-NEXT: vpsraw $2, %xmm0, %xmm1 +; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4],xmm1[5,6,7] +; AVX1-NEXT: vpsraw $1, %xmm0, %xmm0 +; AVX1-NEXT: retq +; +; AVX2-LABEL: test9: +; AVX2: # %bb.0: +; AVX2-NEXT: vpmovsxwd %xmm0, %ymm0 +; AVX2-NEXT: vpsravd {{.*}}(%rip), %ymm0, %ymm0 +; AVX2-NEXT: vextracti128 $1, %ymm0, %xmm1 +; AVX2-NEXT: vpackssdw %xmm1, %xmm0, %xmm0 +; AVX2-NEXT: vzeroupper +; AVX2-NEXT: retq + %lshr = ashr <8 x i16> %a, <i16 1, i16 3, i16 1, i16 1, i16 1, i16 3, i16 3, i16 3> + ret <8 x i16> %lshr +} |
