llvm/test/CodeGen/X86/vector-shuffle-512-v64.ll
Elena Demikhovsky 4196f55435 AVX-512: Fixed a bug in shuffle for v64i8 type
Operation SCALAR_TO_VECTOR for v64i8 and v32i16 should be lowered if BW feature is "on".

Differential Revision: http://reviews.llvm.org/D17994



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263097 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-10 08:32:09 +00:00

16 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mcpu=x86-64 -mattr=+avx512f -mattr=+avx512bw -mattr=+avx512vl -mattr=+avx512dq | FileCheck %s
target triple = "x86_64-unknown-unknown"
define <64 x i8> @shuffle_v64i8_02_03_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u(<64 x i8> %a) {
; CHECK-LABEL: shuffle_v64i8_02_03_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u_u:
; CHECK: # BB#0:
; CHECK-NEXT: movl $1, %eax
; CHECK-NEXT: vmovd %eax, %xmm1
; CHECK-NEXT: vpermw %zmm0, %zmm1, %zmm0
; CHECK-NEXT: retq
%b = shufflevector <64 x i8> %a, <64 x i8> undef, <64 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
ret <64 x i8> %b
}