xref: /llvm-project/llvm/test/CodeGen/AArch64/sve-fixed-length-reshuffle.ll (revision db158c7c830807caeeb0691739c41f1d522029e9)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s | FileCheck %s
3
4target triple = "aarch64-unknown-linux-gnu"
5
6; == Matching first N elements ==
7
8define <4 x i1> @reshuffle_v4i1_nxv4i1(<vscale x 4 x i1> %a) #0 {
9; CHECK-LABEL: reshuffle_v4i1_nxv4i1:
10; CHECK:       // %bb.0:
11; CHECK-NEXT:    mov z1.s, p0/z, #1 // =0x1
12; CHECK-NEXT:    mov w8, v1.s[1]
13; CHECK-NEXT:    mov v0.16b, v1.16b
14; CHECK-NEXT:    mov w9, v1.s[2]
15; CHECK-NEXT:    mov v0.h[1], w8
16; CHECK-NEXT:    mov w8, v1.s[3]
17; CHECK-NEXT:    mov v0.h[2], w9
18; CHECK-NEXT:    mov v0.h[3], w8
19; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
20; CHECK-NEXT:    ret
21  %el0 = extractelement <vscale x 4 x i1> %a, i32 0
22  %el1 = extractelement <vscale x 4 x i1> %a, i32 1
23  %el2 = extractelement <vscale x 4 x i1> %a, i32 2
24  %el3 = extractelement <vscale x 4 x i1> %a, i32 3
25  %v0 = insertelement <4 x i1> undef, i1 %el0, i32 0
26  %v1 = insertelement <4 x i1> %v0, i1 %el1, i32 1
27  %v2 = insertelement <4 x i1> %v1, i1 %el2, i32 2
28  %v3 = insertelement <4 x i1> %v2, i1 %el3, i32 3
29  ret <4 x i1> %v3
30}
31
32attributes #0 = { "target-features"="+sve" }
33