xref: /llvm-project/llvm/test/CodeGen/WebAssembly/simd-nested-shuffles.ll (revision 122b0220fd45ee71acda912b0b712bb8edb6ba46)
1; RUN: llc < %s -mattr=+simd128 -verify-machineinstrs | FileCheck %s --check-prefixes CHECK
2
3; Check that shuffles maintain their type when being custom
4; lowered. Regression test for bug 39275.
5
6target triple = "wasm32-unknown-unknown"
7
8; CHECK: i8x16.shuffle
9define <4 x i32> @foo(<4 x i32> %x) {
10  %1 = shufflevector <4 x i32> %x, <4 x i32> undef,
11    <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
12  %2 = shufflevector <4 x i32> %1, <4 x i32> undef,
13    <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
14  %3 = add <4 x i32> %2, %2
15  ret <4 x i32> %3
16}
17