diff options
Diffstat (limited to 'test/CodeGen/X86/widen_conversions.ll')
| -rw-r--r-- | test/CodeGen/X86/widen_conversions.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/X86/widen_conversions.ll b/test/CodeGen/X86/widen_conversions.ll new file mode 100644 index 0000000..522ab47 --- /dev/null +++ b/test/CodeGen/X86/widen_conversions.ll @@ -0,0 +1,18 @@ +; RUN: llc < %s -mcpu=x86-64 -x86-experimental-vector-widening-legalization -x86-experimental-vector-shuffle-lowering | FileCheck %s + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-unknown" + +define <4 x i32> @zext_v4i8_to_v4i32(<4 x i8>* %ptr) { +; CHECK-LABEL: zext_v4i8_to_v4i32: +; +; CHECK: movd (%{{.*}}), %[[X:xmm[0-9]+]] +; CHECK-NEXT: pxor %[[Z:xmm[0-9]+]], %[[Z]] +; CHECK-NEXT: punpcklbw %[[Z]], %[[X]] +; CHECK-NEXT: punpcklbw %[[Z]], %[[X]] +; CHECK-NEXT: ret + + %val = load <4 x i8>* %ptr + %ext = zext <4 x i8> %val to <4 x i32> + ret <4 x i32> %ext +} |