1 ; RUN: llc < %s -march=x86-64 -mattr=+sse4.1 | FileCheck %s 2 3 ;CHECK-LABEL: load_2_i8: 4 ; A single 16-bit load 5 ;CHECK: pmovzxbq 6 ;CHECK: paddq 7 ;CHECK: pshufb 8 ; A single 16-bit store 9 ;CHECK: movw 10 ;CHECK: ret 11 12 define void @load_2_i8(<2 x i8>* %A) { 13 %T = load <2 x i8>, <2 x i8>* %A 14 %G = add <2 x i8> %T, <i8 9, i8 7> 15 store <2 x i8> %G, <2 x i8>* %A 16 ret void 17 } 18 19 ;CHECK-LABEL: load_2_i16: 20 ; Read 32-bits 21 ;CHECK: pmovzxwq 22 ;CHECK: paddq 23 ;CHECK: pshufd 24 ;CHECK: movd 25 ;CHECK: ret 26 define void @load_2_i16(<2 x i16>* %A) { 27 %T = load <2 x i16>, <2 x i16>* %A 28 %G = add <2 x i16> %T, <i16 9, i16 7> 29 store <2 x i16> %G, <2 x i16>* %A 30 ret void 31 } 32 33 ;CHECK-LABEL: load_2_i32: 34 ;CHECK: pmovzxdq 35 ;CHECK: paddd 36 ;CHECK: pshufd 37 ;CHECK: ret 38 define void @load_2_i32(<2 x i32>* %A) { 39 %T = load <2 x i32>, <2 x i32>* %A 40 %G = add <2 x i32> %T, <i32 9, i32 7> 41 store <2 x i32> %G, <2 x i32>* %A 42 ret void 43 } 44 45 ;CHECK-LABEL: load_4_i8: 46 ;CHECK: pmovzxbd 47 ;CHECK: paddd 48 ;CHECK: pshufb 49 ;CHECK: ret 50 define void @load_4_i8(<4 x i8>* %A) { 51 %T = load <4 x i8>, <4 x i8>* %A 52 %G = add <4 x i8> %T, <i8 1, i8 4, i8 9, i8 7> 53 store <4 x i8> %G, <4 x i8>* %A 54 ret void 55 } 56 57 ;CHECK-LABEL: load_4_i16: 58 ;CHECK: pmovzxwd 59 ;CHECK: paddw 60 ;CHECK: pshufb 61 ;CHECK: ret 62 define void @load_4_i16(<4 x i16>* %A) { 63 %T = load <4 x i16>, <4 x i16>* %A 64 %G = add <4 x i16> %T, <i16 1, i16 4, i16 9, i16 7> 65 store <4 x i16> %G, <4 x i16>* %A 66 ret void 67 } 68 69 ;CHECK-LABEL: load_8_i8: 70 ;CHECK: pmovzxbw 71 ;CHECK: paddb 72 ;CHECK: pshufb 73 ;CHECK: ret 74 define void @load_8_i8(<8 x i8>* %A) { 75 %T = load <8 x i8>, <8 x i8>* %A 76 %G = add <8 x i8> %T, %T 77 store <8 x i8> %G, <8 x i8>* %A 78 ret void 79 } 80
