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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=AVX2,AVX2-SLOW3; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2,+fast-variable-crosslane-shuffle,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX2,AVX2-FAST-ALL4; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX2,AVX2-FAST-PERLANE5; PR324496 7define <2 x double> @foo2(<2 x double> %v, ptr%p) nounwind {8; AVX2-LABEL: foo2:9; AVX2: # %bb.0:10; AVX2-NEXT: vshufpd {{.*#+}} xmm0 = xmm0[1,1]11; AVX2-NEXT: vmovapd %xmm0, (%rdi)12; AVX2-NEXT: retq13 %res = shufflevector <2 x double> %v, <2 x double> undef, <2 x i32> <i32 1, i32 1>14 %res1 = shufflevector<2 x double> %res, <2 x double> undef, <2 x i32> <i32 1, i32 undef>15 store <2 x double> %res, ptr %p16 ret <2 x double> %res117}18 19define <4 x double> @foo4(<4 x double> %v, ptr%p) nounwind {20; AVX2-LABEL: foo4:21; AVX2: # %bb.0:22; AVX2-NEXT: vpermpd {{.*#+}} ymm0 = ymm0[2,2,2,2]23; AVX2-NEXT: vmovaps %ymm0, (%rdi)24; AVX2-NEXT: retq25 %res = shufflevector <4 x double> %v, <4 x double> undef, <4 x i32> <i32 2, i32 2, i32 2, i32 2>26 %res1 = shufflevector<4 x double> %res, <4 x double> undef, <4 x i32> <i32 2, i32 0, i32 undef, i32 undef>27 store <4 x double> %res, ptr %p28 ret <4 x double> %res129}30 31define <8 x float> @foo8(<8 x float> %v, ptr%p) nounwind {32; AVX2-SLOW-LABEL: foo8:33; AVX2-SLOW: # %bb.0:34; AVX2-SLOW-NEXT: vmovshdup {{.*#+}} ymm0 = ymm0[1,1,3,3,5,5,7,7]35; AVX2-SLOW-NEXT: vpermpd {{.*#+}} ymm0 = ymm0[2,2,2,2]36; AVX2-SLOW-NEXT: vmovaps %ymm0, (%rdi)37; AVX2-SLOW-NEXT: retq38;39; AVX2-FAST-ALL-LABEL: foo8:40; AVX2-FAST-ALL: # %bb.0:41; AVX2-FAST-ALL-NEXT: vbroadcastss {{.*#+}} ymm1 = [5,5,5,5,5,5,5,5]42; AVX2-FAST-ALL-NEXT: vpermps %ymm0, %ymm1, %ymm043; AVX2-FAST-ALL-NEXT: vmovaps %ymm0, (%rdi)44; AVX2-FAST-ALL-NEXT: retq45;46; AVX2-FAST-PERLANE-LABEL: foo8:47; AVX2-FAST-PERLANE: # %bb.0:48; AVX2-FAST-PERLANE-NEXT: vmovshdup {{.*#+}} ymm0 = ymm0[1,1,3,3,5,5,7,7]49; AVX2-FAST-PERLANE-NEXT: vpermpd {{.*#+}} ymm0 = ymm0[2,2,2,2]50; AVX2-FAST-PERLANE-NEXT: vmovaps %ymm0, (%rdi)51; AVX2-FAST-PERLANE-NEXT: retq52 %res = shufflevector <8 x float> %v, <8 x float> undef, <8 x i32> <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>53 %res1 = shufflevector<8 x float> %res, <8 x float> undef, <8 x i32> <i32 2, i32 0, i32 undef, i32 undef, i32 5, i32 1, i32 3, i32 7>54 store <8 x float> %res, ptr %p55 ret <8 x float> %res156}57 58define <4 x i32> @undef_splatmask(<4 x i32> %v) nounwind {59; AVX2-LABEL: undef_splatmask:60; AVX2: # %bb.0:61; AVX2-NEXT: vshufps {{.*#+}} xmm0 = xmm0[2,2,2,2]62; AVX2-NEXT: retq63 %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 2, i32 undef>64 %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef>65 ret <4 x i32> %res166}67 68define <4 x i32> @undef_splatmask2(<4 x i32> %v) nounwind {69; AVX2-LABEL: undef_splatmask2:70; AVX2: # %bb.0:71; AVX2-NEXT: vshufps {{.*#+}} xmm0 = xmm0[2,2,2,2]72; AVX2-NEXT: retq73 %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 2, i32 undef>74 %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef>75 ret <4 x i32> %res176}77 78define <4 x i32> @undef_splatmask3(<4 x i32> %v) nounwind {79; AVX2-LABEL: undef_splatmask3:80; AVX2: # %bb.0:81; AVX2-NEXT: vshufps {{.*#+}} xmm0 = xmm0[2,2,2,2]82; AVX2-NEXT: retq83 %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 2, i32 undef>84 %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 3>85 ret <4 x i32> %res186}87 88define <4 x i32> @undef_splatmask4(<4 x i32> %v, ptr %p) nounwind {89; AVX2-LABEL: undef_splatmask4:90; AVX2: # %bb.0:91; AVX2-NEXT: vshufps {{.*#+}} xmm1 = xmm0[2,2,2,2]92; AVX2-NEXT: vshufps {{.*#+}} xmm0 = xmm0[2,3,2,3]93; AVX2-NEXT: vmovaps %xmm0, (%rdi)94; AVX2-NEXT: vmovaps %xmm1, %xmm095; AVX2-NEXT: retq96 %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 2, i32 undef>97 %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef>98 store <4 x i32> %res, ptr %p99 ret <4 x i32> %res1100}101 102define <4 x i32> @undef_splatmask5(<4 x i32> %v, ptr %p) nounwind {103; AVX2-LABEL: undef_splatmask5:104; AVX2: # %bb.0:105; AVX2-NEXT: vbroadcastss %xmm0, %xmm0106; AVX2-NEXT: vmovaps %xmm0, (%rdi)107; AVX2-NEXT: retq108 %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 0, i32 undef>109 %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 3>110 store <4 x i32> %res, ptr %p111 ret <4 x i32> %res1112}113