1; RUN: llc < %s -o - -mcpu=generic -march=x86-64 -mattr=+sse4.1 | FileCheck %s -check-prefix=SSE41 2; RUN: llc < %s -o - -mcpu=generic -march=x86-64 -mattr=+avx | FileCheck %s -check-prefix=AVX 3 4; CHECK-LABEL: extract_i8 5define void @extract_i8(i8* nocapture %dst, <16 x i8> %foo) { 6; AVX: vpextrb 7; SSE41: pextrb 8; AVX-NOT: movb 9; SSE41-NOT: movb 10 %vecext = extractelement <16 x i8> %foo, i32 15 11 store i8 %vecext, i8* %dst, align 1 12 ret void 13} 14 15; CHECK-LABEL: extract_i16 16define void @extract_i16(i16* nocapture %dst, <8 x i16> %foo) { 17; AVX: vpextrw 18; SSE41: pextrw 19; AVX-NOT: movw 20; SSE41-NOT: movw 21 %vecext = extractelement <8 x i16> %foo, i32 7 22 store i16 %vecext, i16* %dst, align 1 23 ret void 24} 25 26; CHECK-LABEL: extract_i8_undef 27define void @extract_i8_undef(i8* nocapture %dst, <16 x i8> %foo) { 28; AVX-NOT: vpextrb 29; SSE41-NOT: pextrb 30; AVX-NOT: movb 31; SSE41-NOT: movb 32 %vecext = extractelement <16 x i8> %foo, i32 16 ; undef 33 store i8 %vecext, i8* %dst, align 1 34 ret void 35} 36 37; CHECK-LABEL: extract_i16_undef 38define void @extract_i16_undef(i16* nocapture %dst, <8 x i16> %foo) { 39; AVX-NOT: vpextrw 40; SSE41-NOT: pextrw 41; AVX-NOT: movw 42; SSE41-NOT: movw 43 %vecext = extractelement <8 x i16> %foo, i32 9 ; undef 44 store i16 %vecext, i16* %dst, align 1 45 ret void 46} 47