| Chandler Carruth | afe4b25 | 2014-07-09 10:58:18 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mcpu=x86-64 -x86-experimental-vector-widening-legalization -x86-experimental-vector-shuffle-lowering | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | target triple = "x86_64-unknown-unknown" |
| 5 | |
| 6 | define <4 x i32> @zext_v4i8_to_v4i32(<4 x i8>* %ptr) { |
| 7 | ; CHECK-LABEL: zext_v4i8_to_v4i32: |
| 8 | ; |
| 9 | ; CHECK: movd (%{{.*}}), %[[X:xmm[0-9]+]] |
| 10 | ; CHECK-NEXT: pxor %[[Z:xmm[0-9]+]], %[[Z]] |
| 11 | ; CHECK-NEXT: punpcklbw %[[Z]], %[[X]] |
| 12 | ; CHECK-NEXT: punpcklbw %[[Z]], %[[X]] |
| 13 | ; CHECK-NEXT: ret |
| 14 | |
| 15 | %val = load <4 x i8>* %ptr |
| 16 | %ext = zext <4 x i8> %val to <4 x i32> |
| 17 | ret <4 x i32> %ext |
| 18 | } |