; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE2 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE41 ; A single 16-bit load + a single 16-bit store define void @load_2_i8(<2 x i8>* %A) { ; SSE2-LABEL: load_2_i8: ; SSE2: # %bb.0: ; SSE2-NEXT: movzwl (%rdi), %eax ; SSE2-NEXT: movd %eax, %xmm0 ; SSE2-NEXT: paddb {{.*}}(%rip), %xmm0 ; SSE2-NEXT: movd %xmm0, %eax ; SSE2-NEXT: movw %ax, (%rdi) ; SSE2-NEXT: retq ; ; SSE41-LABEL: load_2_i8: ; SSE41: # %bb.0: ; SSE41-NEXT: movzwl (%rdi), %eax ; SSE41-NEXT: movd %eax, %xmm0 ; SSE41-NEXT: paddb {{.*}}(%rip), %xmm0 ; SSE41-NEXT: pextrw $0, %xmm0, (%rdi) ; SSE41-NEXT: retq %T = load <2 x i8>, <2 x i8>* %A %G = add <2 x i8> %T, store <2 x i8> %G, <2 x i8>* %A ret void } ; Read 32-bits define void @load_2_i16(<2 x i16>* %A) { ; CHECK-LABEL: load_2_i16: ; CHECK: # %bb.0: ; CHECK-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero ; CHECK-NEXT: paddw {{.*}}(%rip), %xmm0 ; CHECK-NEXT: movd %xmm0, (%rdi) ; CHECK-NEXT: retq %T = load <2 x i16>, <2 x i16>* %A %G = add <2 x i16> %T, store <2 x i16> %G, <2 x i16>* %A ret void } define void @load_2_i32(<2 x i32>* %A) { ; CHECK-LABEL: load_2_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: movq {{.*#+}} xmm0 = mem[0],zero ; CHECK-NEXT: paddd {{.*}}(%rip), %xmm0 ; CHECK-NEXT: movq %xmm0, (%rdi) ; CHECK-NEXT: retq %T = load <2 x i32>, <2 x i32>* %A %G = add <2 x i32> %T, store <2 x i32> %G, <2 x i32>* %A ret void } define void @load_4_i8(<4 x i8>* %A) { ; CHECK-LABEL: load_4_i8: ; CHECK: # %bb.0: ; CHECK-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero ; CHECK-NEXT: paddb {{.*}}(%rip), %xmm0 ; CHECK-NEXT: movd %xmm0, (%rdi) ; CHECK-NEXT: retq %T = load <4 x i8>, <4 x i8>* %A %G = add <4 x i8> %T, store <4 x i8> %G, <4 x i8>* %A ret void } define void @load_4_i16(<4 x i16>* %A) { ; CHECK-LABEL: load_4_i16: ; CHECK: # %bb.0: ; CHECK-NEXT: movq {{.*#+}} xmm0 = mem[0],zero ; CHECK-NEXT: paddw {{.*}}(%rip), %xmm0 ; CHECK-NEXT: movq %xmm0, (%rdi) ; CHECK-NEXT: retq %T = load <4 x i16>, <4 x i16>* %A %G = add <4 x i16> %T, store <4 x i16> %G, <4 x i16>* %A ret void } define void @load_8_i8(<8 x i8>* %A) { ; CHECK-LABEL: load_8_i8: ; CHECK: # %bb.0: ; CHECK-NEXT: movq {{.*#+}} xmm0 = mem[0],zero ; CHECK-NEXT: paddb %xmm0, %xmm0 ; CHECK-NEXT: movq %xmm0, (%rdi) ; CHECK-NEXT: retq %T = load <8 x i8>, <8 x i8>* %A %G = add <8 x i8> %T, %T store <8 x i8> %G, <8 x i8>* %A ret void }