| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=AVX2 |
| |
| define <4 x i32> @unpck_permute_canonicalized_mask(<4 x i32> %a, <4 x i32> %b) { |
| ; AVX2-LABEL: unpck_permute_canonicalized_mask: |
| ; AVX2: # %bb.0: |
| ; AVX2-NEXT: vunpckhps {{.*#+}} xmm0 = xmm0[2],xmm1[2],xmm0[3],xmm1[3] |
| ; AVX2-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,3,2,1] |
| ; AVX2-NEXT: retq |
| ; This mask will get canonicalized to vector_shuffle<6, 3, -1, 2> %b, %a. |
| ; Make sure the generated permute masks are still correct. |
| %shuffle = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 2, i32 7, i32 undef, i32 6> |
| ret <4 x i32> %shuffle |
| } |
