| ; RUN: llc < %s -mattr=+simd128 -verify-machineinstrs | FileCheck %s --check-prefixes CHECK | |
| ; Check that shuffles maintain their type when being custom | |
| ; lowered. Regression test for bug 39275. | |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" | |
| target triple = "wasm32-unknown-unknown" | |
| ; CHECK: v8x16.shuffle | |
| define <4 x i32> @foo(<4 x i32> %x) { | |
| %1 = shufflevector <4 x i32> %x, <4 x i32> undef, | |
| <4 x i32> <i32 2, i32 3, i32 undef, i32 undef> | |
| %2 = shufflevector <4 x i32> %1, <4 x i32> undef, | |
| <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef> | |
| %3 = add <4 x i32> %2, %2 | |
| ret <4 x i32> %3 | |
| } |