blob: dd75097a25159b5dc1a9f63c16873a3294f259d5 [file] [log] [blame]
Chandler Carruth89a60772015-02-15 06:20:51 +00001; RUN: llc < %s -mcpu=x86-64 -x86-experimental-vector-widening-legalization | FileCheck %s
Chandler Carruthafe4b252014-07-09 10:58:18 +00002
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-unknown"
5
6define <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]]
Chandler Carruth0fc0c222014-09-19 20:00:32 +000012; CHECK-NEXT: punpcklwd %[[Z]], %[[X]]
Chandler Carruthafe4b252014-07-09 10:58:18 +000013; CHECK-NEXT: ret
14
David Blaikiea79ac142015-02-27 21:17:42 +000015 %val = load <4 x i8>, <4 x i8>* %ptr
Chandler Carruthafe4b252014-07-09 10:58:18 +000016 %ext = zext <4 x i8> %val to <4 x i32>
17 ret <4 x i32> %ext
18}