| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3 |
| ; RUN: llc < %s -mtriple=aarch64 | FileCheck %s --check-prefix=CHECKLE |
| ; RUN: llc < %s -mtriple=aarch64_be | FileCheck %s --check-prefix=CHECKBE |
| |
| define <4 x i16> @test_reconstructshuffle(<16 x i8> %a, <16 x i8> %b) nounwind { |
| ; CHECKLE-LABEL: test_reconstructshuffle: |
| ; CHECKLE: // %bb.0: |
| ; CHECKLE-NEXT: mov b2, v0.b[3] |
| ; CHECKLE-NEXT: ext v1.16b, v1.16b, v1.16b, #8 |
| ; CHECKLE-NEXT: mov v2.b[2], v0.b[2] |
| ; CHECKLE-NEXT: mov v2.b[4], v0.b[1] |
| ; CHECKLE-NEXT: mov v2.b[6], v0.b[0] |
| ; CHECKLE-NEXT: zip2 v0.8b, v1.8b, v0.8b |
| ; CHECKLE-NEXT: add v0.4h, v2.4h, v0.4h |
| ; CHECKLE-NEXT: bic v0.4h, #255, lsl #8 |
| ; CHECKLE-NEXT: ret |
| ; |
| ; CHECKBE-LABEL: test_reconstructshuffle: |
| ; CHECKBE: // %bb.0: |
| ; CHECKBE-NEXT: rev64 v0.16b, v0.16b |
| ; CHECKBE-NEXT: rev64 v1.16b, v1.16b |
| ; CHECKBE-NEXT: ext v0.16b, v0.16b, v0.16b, #8 |
| ; CHECKBE-NEXT: ext v1.16b, v1.16b, v1.16b, #8 |
| ; CHECKBE-NEXT: mov b2, v0.b[3] |
| ; CHECKBE-NEXT: ext v1.16b, v1.16b, v1.16b, #8 |
| ; CHECKBE-NEXT: mov v2.b[2], v0.b[2] |
| ; CHECKBE-NEXT: mov v2.b[4], v0.b[1] |
| ; CHECKBE-NEXT: mov v2.b[6], v0.b[0] |
| ; CHECKBE-NEXT: zip2 v0.8b, v1.8b, v0.8b |
| ; CHECKBE-NEXT: add v0.4h, v2.4h, v0.4h |
| ; CHECKBE-NEXT: bic v0.4h, #255, lsl #8 |
| ; CHECKBE-NEXT: rev64 v0.4h, v0.4h |
| ; CHECKBE-NEXT: ret |
| %tmp1 = shufflevector <16 x i8> %a, <16 x i8> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> |
| %tmp2 = shufflevector <16 x i8> %b, <16 x i8> undef, <4 x i32> <i32 12, i32 13, i32 14, i32 15> |
| %tmp3 = add <4 x i8> %tmp1, %tmp2 |
| %tmp4 = zext <4 x i8> %tmp3 to <4 x i16> |
| ret <4 x i16> %tmp4 |
| } |
