xref: /llvm-project/llvm/test/CodeGen/AArch64/expand-vector-rot.ll (revision db158c7c830807caeeb0691739c41f1d522029e9)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=aarch64-linux-android | FileCheck %s
3
4declare <2 x i16> @llvm.fshl.v2i16(<2 x i16>, <2 x i16>, <2 x i16>)
5
6define <2 x i16>  @rotlv2_16(<2 x i16> %vec2_16, <2 x i16> %shift) {
7; CHECK-LABEL: rotlv2_16:
8; CHECK:       // %bb.0:
9; CHECK-NEXT:    movi v2.2s, #15
10; CHECK-NEXT:    neg v3.2s, v1.2s
11; CHECK-NEXT:    movi d4, #0x00ffff0000ffff
12; CHECK-NEXT:    and v3.8b, v3.8b, v2.8b
13; CHECK-NEXT:    and v4.8b, v0.8b, v4.8b
14; CHECK-NEXT:    and v1.8b, v1.8b, v2.8b
15; CHECK-NEXT:    neg v3.2s, v3.2s
16; CHECK-NEXT:    ushl v0.2s, v0.2s, v1.2s
17; CHECK-NEXT:    ushl v2.2s, v4.2s, v3.2s
18; CHECK-NEXT:    orr v0.8b, v0.8b, v2.8b
19; CHECK-NEXT:    ret
20  %1 = call <2 x i16> @llvm.fshl.v2i16(<2 x i16> %vec2_16, <2 x i16> %vec2_16, <2 x i16> %shift)
21  ret <2 x i16> %1
22}
23