; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=AVX2,AVX2-SLOW ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2,+fast-variable-crosslane-shuffle,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX2,AVX2-FAST-ALL ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX2,AVX2-FAST-PERLANE ; PR32449 define <2 x double> @foo2(<2 x double> %v, ptr%p) nounwind { ; AVX2-LABEL: foo2: ; AVX2: # %bb.0: ; AVX2-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,1] ; AVX2-NEXT: vmovapd %xmm0, (%rdi) ; AVX2-NEXT: retq %res = shufflevector <2 x double> %v, <2 x double> undef, <2 x i32> <i32 1, i32 1> %res1 = shufflevector<2 x double> %res, <2 x double> undef, <2 x i32> <i32 1, i32 undef> store <2 x double> %res, ptr %p ret <2 x double> %res1 } define <4 x double> @foo4(<4 x double> %v, ptr%p) nounwind { ; AVX2-LABEL: foo4: ; AVX2: # %bb.0: ; AVX2-NEXT: vpermpd {{.*#+}} ymm0 = ymm0[2,2,2,2] ; AVX2-NEXT: vmovaps %ymm0, (%rdi) ; AVX2-NEXT: retq %res = shufflevector <4 x double> %v, <4 x double> undef, <4 x i32> <i32 2, i32 2, i32 2, i32 2> %res1 = shufflevector<4 x double> %res, <4 x double> undef, <4 x i32> <i32 2, i32 0, i32 undef, i32 undef> store <4 x double> %res, ptr %p ret <4 x double> %res1 } define <8 x float> @foo8(<8 x float> %v, ptr%p) nounwind { ; AVX2-SLOW-LABEL: foo8: ; AVX2-SLOW: # %bb.0: ; AVX2-SLOW-NEXT: vmovshdup {{.*#+}} ymm0 = ymm0[1,1,3,3,5,5,7,7] ; AVX2-SLOW-NEXT: vpermpd {{.*#+}} ymm0 = ymm0[2,2,2,2] ; AVX2-SLOW-NEXT: vmovaps %ymm0, (%rdi) ; AVX2-SLOW-NEXT: retq ; ; AVX2-FAST-ALL-LABEL: foo8: ; AVX2-FAST-ALL: # %bb.0: ; AVX2-FAST-ALL-NEXT: vbroadcastss {{.*#+}} ymm1 = [5,5,5,5,5,5,5,5] ; AVX2-FAST-ALL-NEXT: vpermps %ymm0, %ymm1, %ymm0 ; AVX2-FAST-ALL-NEXT: vmovaps %ymm0, (%rdi) ; AVX2-FAST-ALL-NEXT: retq ; ; AVX2-FAST-PERLANE-LABEL: foo8: ; AVX2-FAST-PERLANE: # %bb.0: ; AVX2-FAST-PERLANE-NEXT: vmovshdup {{.*#+}} ymm0 = ymm0[1,1,3,3,5,5,7,7] ; AVX2-FAST-PERLANE-NEXT: vpermpd {{.*#+}} ymm0 = ymm0[2,2,2,2] ; AVX2-FAST-PERLANE-NEXT: vmovaps %ymm0, (%rdi) ; AVX2-FAST-PERLANE-NEXT: retq %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> %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> store <8 x float> %res, ptr %p ret <8 x float> %res1 } define <4 x i32> @undef_splatmask(<4 x i32> %v) nounwind { ; AVX2-LABEL: undef_splatmask: ; AVX2: # %bb.0: ; AVX2-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,2,3,3] ; AVX2-NEXT: retq %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 2, i32 undef> %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef> ret <4 x i32> %res1 } define <4 x i32> @undef_splatmask2(<4 x i32> %v) nounwind { ; AVX2-LABEL: undef_splatmask2: ; AVX2: # %bb.0: ; AVX2-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,2,3,3] ; AVX2-NEXT: retq %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 2, i32 undef> %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef> ret <4 x i32> %res1 } define <4 x i32> @undef_splatmask3(<4 x i32> %v) nounwind { ; AVX2-LABEL: undef_splatmask3: ; AVX2: # %bb.0: ; AVX2-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,2,3,3] ; AVX2-NEXT: retq %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 2, i32 undef> %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 3> ret <4 x i32> %res1 } define <4 x i32> @undef_splatmask4(<4 x i32> %v, ptr %p) nounwind { ; AVX2-LABEL: undef_splatmask4: ; AVX2: # %bb.0: ; AVX2-NEXT: vpermilps {{.*#+}} xmm1 = xmm0[2,2,3,3] ; AVX2-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,3,2,3] ; AVX2-NEXT: vmovaps %xmm0, (%rdi) ; AVX2-NEXT: vmovaps %xmm1, %xmm0 ; AVX2-NEXT: retq %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 2, i32 undef> %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 undef> store <4 x i32> %res, ptr %p ret <4 x i32> %res1 } define <4 x i32> @undef_splatmask5(<4 x i32> %v, ptr %p) nounwind { ; AVX2-LABEL: undef_splatmask5: ; AVX2: # %bb.0: ; AVX2-NEXT: vbroadcastss %xmm0, %xmm0 ; AVX2-NEXT: vmovaps %xmm0, (%rdi) ; AVX2-NEXT: retq %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 0, i32 undef> %res1 = shufflevector <4 x i32> %res, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 undef, i32 3> store <4 x i32> %res, ptr %p ret <4 x i32> %res1 }