1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s 3 4 define <4 x i32> @trunc_64_32(<4 x i64> %A) nounwind uwtable readnone ssp{ 5 ; CHECK-LABEL: trunc_64_32: 6 ; CHECK: ## BB#0: 7 ; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 8 ; CHECK-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,1,0,2] 9 ; CHECK-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] 10 ; CHECK-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7] 11 ; CHECK-NEXT: vzeroupper 12 ; CHECK-NEXT: retq 13 %B = trunc <4 x i64> %A to <4 x i32> 14 ret <4 x i32>%B 15 } 16 17 define <8 x i16> @trunc_32_16(<8 x i32> %A) nounwind uwtable readnone ssp{ 18 ; CHECK-LABEL: trunc_32_16: 19 ; CHECK: ## BB#0: 20 ; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 21 ; CHECK-NEXT: vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] 22 ; CHECK-NEXT: vpshufb %xmm2, %xmm1, %xmm1 23 ; CHECK-NEXT: vpshufb %xmm2, %xmm0, %xmm0 24 ; CHECK-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] 25 ; CHECK-NEXT: vzeroupper 26 ; CHECK-NEXT: retq 27 %B = trunc <8 x i32> %A to <8 x i16> 28 ret <8 x i16>%B 29 } 30 31 define <16 x i8> @trunc_16_8(<16 x i16> %A) nounwind uwtable readnone ssp{ 32 ; CHECK-LABEL: trunc_16_8: 33 ; CHECK: ## BB#0: 34 ; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 35 ; CHECK-NEXT: vmovdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u> 36 ; CHECK-NEXT: vpshufb %xmm2, %xmm1, %xmm1 37 ; CHECK-NEXT: vpshufb %xmm2, %xmm0, %xmm0 38 ; CHECK-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] 39 ; CHECK-NEXT: vzeroupper 40 ; CHECK-NEXT: retq 41 %B = trunc <16 x i16> %A to <16 x i8> 42 ret <16 x i8> %B 43 } 44
