llvm-project/llvm/test/CodeGen/WebAssembly/simd-nested-shuffles.ll
Thomas Lively b6dac89c87 [WebAssembly] Fix invalid machine instrs in -O0, verify in tests
Reviewers: aheejin, dschuff

Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D55956

llvm-svn: 349889
2018-12-21 06:58:15 +00:00

18 lines
613 B
LLVM

; 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
}