1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx512f | FileCheck %s
4 define void @foo(<16 x float> %x) {
7 ; CHECK-NEXT: vaddps %xmm0, %xmm0, %xmm0
8 ; CHECK-NEXT: vshuff64x2 {{.*#+}} zmm0 = zmm0[0,1,0,1,0,1,0,1]
9 ; CHECK-NEXT: vmovupd %zmm0, (%rax)
10 ; CHECK-NEXT: vzeroupper
12 %1 = fadd <16 x float> %x, %x
13 %bc256 = bitcast <16 x float> %1 to <4 x i128>
14 %2 = extractelement <4 x i128> %bc256, i32 0
15 %3 = bitcast i128 %2 to <4 x float>
16 %4 = shufflevector <4 x float> %3, <4 x float> undef, <16 x i32> <i32 0, i32
17 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3, i32 0,
19 store <16 x float> %4, ptr undef, align 4