File: simd-nested-shuffles.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (16 lines) | stat: -rw-r--r-- 558 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; 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 triple = "wasm32-unknown-unknown"

; CHECK: i8x16.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
}