; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=X32 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=X64 ; When extracting multiple consecutive elements from a larger ; vector into a smaller one, do it efficiently. We should use ; an EXTRACT_SUBVECTOR node internally rather than a bunch of ; single element extractions. ; Extracting the low elements only requires using the right kind of store. define void @low_v8f32_to_v4f32(<8 x float> %v, <4 x float>* %ptr) { ; X32-LABEL: low_v8f32_to_v4f32: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vmovaps %xmm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: low_v8f32_to_v4f32: ; X64: # BB#0: ; X64-NEXT: vmovaps %xmm0, (%rdi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ext0 = extractelement <8 x float> %v, i32 0 %ext1 = extractelement <8 x float> %v, i32 1 %ext2 = extractelement <8 x float> %v, i32 2 %ext3 = extractelement <8 x float> %v, i32 3 %ins0 = insertelement <4 x float> undef, float %ext0, i32 0 %ins1 = insertelement <4 x float> %ins0, float %ext1, i32 1 %ins2 = insertelement <4 x float> %ins1, float %ext2, i32 2 %ins3 = insertelement <4 x float> %ins2, float %ext3, i32 3 store <4 x float> %ins3, <4 x float>* %ptr, align 16 ret void } ; Extracting the high elements requires just one AVX instruction. define void @high_v8f32_to_v4f32(<8 x float> %v, <4 x float>* %ptr) { ; X32-LABEL: high_v8f32_to_v4f32: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vextractf128 $1, %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: high_v8f32_to_v4f32: ; X64: # BB#0: ; X64-NEXT: vextractf128 $1, %ymm0, (%rdi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ext0 = extractelement <8 x float> %v, i32 4 %ext1 = extractelement <8 x float> %v, i32 5 %ext2 = extractelement <8 x float> %v, i32 6 %ext3 = extractelement <8 x float> %v, i32 7 %ins0 = insertelement <4 x float> undef, float %ext0, i32 0 %ins1 = insertelement <4 x float> %ins0, float %ext1, i32 1 %ins2 = insertelement <4 x float> %ins1, float %ext2, i32 2 %ins3 = insertelement <4 x float> %ins2, float %ext3, i32 3 store <4 x float> %ins3, <4 x float>* %ptr, align 16 ret void } ; Make sure element type doesn't alter the codegen. Note that ; if we were actually using the vector in this function and ; have AVX2, we should generate vextracti128 (the int version). define void @high_v8i32_to_v4i32(<8 x i32> %v, <4 x i32>* %ptr) { ; X32-LABEL: high_v8i32_to_v4i32: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vextractf128 $1, %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: high_v8i32_to_v4i32: ; X64: # BB#0: ; X64-NEXT: vextractf128 $1, %ymm0, (%rdi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ext0 = extractelement <8 x i32> %v, i32 4 %ext1 = extractelement <8 x i32> %v, i32 5 %ext2 = extractelement <8 x i32> %v, i32 6 %ext3 = extractelement <8 x i32> %v, i32 7 %ins0 = insertelement <4 x i32> undef, i32 %ext0, i32 0 %ins1 = insertelement <4 x i32> %ins0, i32 %ext1, i32 1 %ins2 = insertelement <4 x i32> %ins1, i32 %ext2, i32 2 %ins3 = insertelement <4 x i32> %ins2, i32 %ext3, i32 3 store <4 x i32> %ins3, <4 x i32>* %ptr, align 16 ret void } ; Make sure that element size doesn't alter the codegen. define void @high_v4f64_to_v2f64(<4 x double> %v, <2 x double>* %ptr) { ; X32-LABEL: high_v4f64_to_v2f64: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vextractf128 $1, %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: high_v4f64_to_v2f64: ; X64: # BB#0: ; X64-NEXT: vextractf128 $1, %ymm0, (%rdi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ext0 = extractelement <4 x double> %v, i32 2 %ext1 = extractelement <4 x double> %v, i32 3 %ins0 = insertelement <2 x double> undef, double %ext0, i32 0 %ins1 = insertelement <2 x double> %ins0, double %ext1, i32 1 store <2 x double> %ins1, <2 x double>* %ptr, align 16 ret void } ; PR25320 Make sure that a widened (possibly legalized) vector correctly zero-extends upper elements. ; FIXME - Ideally these should just call VMOVD/VMOVQ/VMOVSS/VMOVSD define void @legal_vzmovl_2i32_8i32(<2 x i32>* %in, <8 x i32>* %out) { ; X32-LABEL: legal_vzmovl_2i32_8i32: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: vpmovzxdq {{.*#+}} xmm0 = mem[0],zero,mem[1],zero ; X32-NEXT: vxorps %ymm1, %ymm1, %ymm1 ; X32-NEXT: vblendps {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3,4,5,6,7] ; X32-NEXT: vmovaps %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: legal_vzmovl_2i32_8i32: ; X64: # BB#0: ; X64-NEXT: vpmovzxdq {{.*#+}} xmm0 = mem[0],zero,mem[1],zero ; X64-NEXT: vxorps %ymm1, %ymm1, %ymm1 ; X64-NEXT: vblendps {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3,4,5,6,7] ; X64-NEXT: vmovaps %ymm0, (%rsi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ld = load <2 x i32>, <2 x i32>* %in, align 8 %ext = extractelement <2 x i32> %ld, i64 0 %ins = insertelement <8 x i32> <i32 undef, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>, i32 %ext, i64 0 store <8 x i32> %ins, <8 x i32>* %out, align 32 ret void } define void @legal_vzmovl_2i64_4i64(<2 x i64>* %in, <4 x i64>* %out) { ; X32-LABEL: legal_vzmovl_2i64_4i64: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: vmovupd (%ecx), %xmm0 ; X32-NEXT: vxorpd %ymm1, %ymm1, %ymm1 ; X32-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3] ; X32-NEXT: vmovapd %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: legal_vzmovl_2i64_4i64: ; X64: # BB#0: ; X64-NEXT: vmovupd (%rdi), %xmm0 ; X64-NEXT: vxorpd %ymm1, %ymm1, %ymm1 ; X64-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3] ; X64-NEXT: vmovapd %ymm0, (%rsi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ld = load <2 x i64>, <2 x i64>* %in, align 8 %ext = extractelement <2 x i64> %ld, i64 0 %ins = insertelement <4 x i64> <i64 undef, i64 0, i64 0, i64 0>, i64 %ext, i64 0 store <4 x i64> %ins, <4 x i64>* %out, align 32 ret void } define void @legal_vzmovl_2f32_8f32(<2 x float>* %in, <8 x float>* %out) { ; X32-LABEL: legal_vzmovl_2f32_8f32: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; X32-NEXT: vmovaps %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: legal_vzmovl_2f32_8f32: ; X64: # BB#0: ; X64-NEXT: vmovq {{.*#+}} xmm0 = mem[0],zero ; X64-NEXT: vxorps %ymm1, %ymm1, %ymm1 ; X64-NEXT: vblendps {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3,4,5,6,7] ; X64-NEXT: vmovaps %ymm0, (%rsi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ld = load <2 x float>, <2 x float>* %in, align 8 %ext = extractelement <2 x float> %ld, i64 0 %ins = insertelement <8 x float> <float undef, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0, float 0.0>, float %ext, i64 0 store <8 x float> %ins, <8 x float>* %out, align 32 ret void } define void @legal_vzmovl_2f64_4f64(<2 x double>* %in, <4 x double>* %out) { ; X32-LABEL: legal_vzmovl_2f64_4f64: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: vmovupd (%ecx), %xmm0 ; X32-NEXT: vxorpd %ymm1, %ymm1, %ymm1 ; X32-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3] ; X32-NEXT: vmovapd %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: legal_vzmovl_2f64_4f64: ; X64: # BB#0: ; X64-NEXT: vmovupd (%rdi), %xmm0 ; X64-NEXT: vxorpd %ymm1, %ymm1, %ymm1 ; X64-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3] ; X64-NEXT: vmovapd %ymm0, (%rsi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %ld = load <2 x double>, <2 x double>* %in, align 8 %ext = extractelement <2 x double> %ld, i64 0 %ins = insertelement <4 x double> <double undef, double 0.0, double 0.0, double 0.0>, double %ext, i64 0 store <4 x double> %ins, <4 x double>* %out, align 32 ret void }