File: simd-nested-shuffles.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
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
}