diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/haddsub-shuf.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/haddsub-shuf.ll b/llvm/test/CodeGen/X86/haddsub-shuf.ll index 8ad11e7..92bb55a 100644 --- a/llvm/test/CodeGen/X86/haddsub-shuf.ll +++ b/llvm/test/CodeGen/X86/haddsub-shuf.ll @@ -361,6 +361,44 @@ define <2 x double> @hadd_v2f64_scalar_splat(<2 x double> %a) { ret <2 x double> %shuf } +define <4 x double> @hadd_v4f64_scalar_splat(<4 x double> %a) { +; SSSE3_SLOW-LABEL: hadd_v4f64_scalar_splat: +; SSSE3_SLOW: # %bb.0: +; SSSE3_SLOW-NEXT: movapd %xmm0, %xmm2 +; SSSE3_SLOW-NEXT: unpckhpd {{.*#+}} xmm2 = xmm2[1],xmm0[1] +; SSSE3_SLOW-NEXT: addsd %xmm0, %xmm2 +; SSSE3_SLOW-NEXT: movapd %xmm1, %xmm3 +; SSSE3_SLOW-NEXT: unpckhpd {{.*#+}} xmm3 = xmm3[1],xmm1[1] +; SSSE3_SLOW-NEXT: addsd %xmm1, %xmm3 +; SSSE3_SLOW-NEXT: movddup {{.*#+}} xmm0 = xmm2[0,0] +; SSSE3_SLOW-NEXT: movddup {{.*#+}} xmm1 = xmm3[0,0] +; SSSE3_SLOW-NEXT: retq +; +; SSSE3_FAST-LABEL: hadd_v4f64_scalar_splat: +; SSSE3_FAST: # %bb.0: +; SSSE3_FAST-NEXT: haddpd %xmm0, %xmm0 +; SSSE3_FAST-NEXT: haddpd %xmm1, %xmm1 +; SSSE3_FAST-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0] +; SSSE3_FAST-NEXT: movddup {{.*#+}} xmm1 = xmm1[0,0] +; SSSE3_FAST-NEXT: retq +; +; AVX-LABEL: hadd_v4f64_scalar_splat: +; AVX: # %bb.0: +; AVX-NEXT: vhaddpd %ymm0, %ymm0, %ymm0 +; AVX-NEXT: vmovddup {{.*#+}} ymm0 = ymm0[0,0,2,2] +; AVX-NEXT: retq + %a0 = extractelement <4 x double> %a, i32 0 + %a1 = extractelement <4 x double> %a, i32 1 + %hop0 = fadd double %a0, %a1 + %a2 = extractelement <4 x double> %a, i32 2 + %a3 = extractelement <4 x double> %a, i32 3 + %hop1 = fadd double %a2, %a3 + %ins = insertelement <4 x double> undef, double %hop0, i32 0 + %ins2 = insertelement <4 x double> %ins, double %hop1, i32 2 + %shuf = shufflevector <4 x double> %ins2, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2> + ret <4 x double> %shuf +} + define <4 x double> @hadd_v4f64(<4 x double> %a) { ; SSSE3_SLOW-LABEL: hadd_v4f64: ; SSSE3_SLOW: # %bb.0: |