| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s | FileCheck %s |
| |
| target triple = "aarch64-unknown-linux-gnu" |
| |
| ; |
| ; RBIT |
| ; |
| |
| define <vscale x 16 x i8> @bitreverse_i8(<vscale x 16 x i8> %a) #0 { |
| ; CHECK-LABEL: bitreverse_i8: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.b |
| ; CHECK-NEXT: rbit z0.b, p0/m, z0.b |
| ; CHECK-NEXT: ret |
| %res = call <vscale x 16 x i8> @llvm.bitreverse.nxv16i8(<vscale x 16 x i8> %a) |
| ret <vscale x 16 x i8> %res |
| } |
| |
| define <vscale x 8 x i16> @bitreverse_i16(<vscale x 8 x i16> %a) #0 { |
| ; CHECK-LABEL: bitreverse_i16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.h |
| ; CHECK-NEXT: rbit z0.h, p0/m, z0.h |
| ; CHECK-NEXT: ret |
| %res = call <vscale x 8 x i16> @llvm.bitreverse.nxv8i16(<vscale x 8 x i16> %a) |
| ret <vscale x 8 x i16> %res |
| } |
| |
| define <vscale x 4 x i32> @bitreverse_i32(<vscale x 4 x i32> %a) #0 { |
| ; CHECK-LABEL: bitreverse_i32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.s |
| ; CHECK-NEXT: rbit z0.s, p0/m, z0.s |
| ; CHECK-NEXT: ret |
| %res = call <vscale x 4 x i32> @llvm.bitreverse.nxv4i32(<vscale x 4 x i32> %a) |
| ret <vscale x 4 x i32> %res |
| } |
| |
| define <vscale x 2 x i64> @bitreverse_i64(<vscale x 2 x i64> %a) #0 { |
| ; CHECK-LABEL: bitreverse_i64: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.d |
| ; CHECK-NEXT: rbit z0.d, p0/m, z0.d |
| ; CHECK-NEXT: ret |
| %res = call <vscale x 2 x i64> @llvm.bitreverse.nxv2i64(<vscale x 2 x i64> %a) |
| ret <vscale x 2 x i64> %res |
| } |
| |
| ; |
| ; REVB |
| ; |
| |
| define <vscale x 8 x i16> @byteswap_i16(<vscale x 8 x i16> %a) #0 { |
| ; CHECK-LABEL: byteswap_i16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.h |
| ; CHECK-NEXT: revb z0.h, p0/m, z0.h |
| ; CHECK-NEXT: ret |
| %res = call <vscale x 8 x i16> @llvm.bswap.nxv8i16(<vscale x 8 x i16> %a) |
| ret <vscale x 8 x i16> %res |
| } |
| |
| define <vscale x 4 x i32> @byteswap_i32(<vscale x 4 x i32> %a) #0 { |
| ; CHECK-LABEL: byteswap_i32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.s |
| ; CHECK-NEXT: revb z0.s, p0/m, z0.s |
| ; CHECK-NEXT: ret |
| %res = call <vscale x 4 x i32> @llvm.bswap.nxv4i32(<vscale x 4 x i32> %a) |
| ret <vscale x 4 x i32> %res |
| } |
| |
| define <vscale x 2 x i64> @byteswap_i64(<vscale x 2 x i64> %a) #0 { |
| ; CHECK-LABEL: byteswap_i64: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.d |
| ; CHECK-NEXT: revb z0.d, p0/m, z0.d |
| ; CHECK-NEXT: ret |
| %res = call <vscale x 2 x i64> @llvm.bswap.nxv2i64(<vscale x 2 x i64> %a) |
| ret <vscale x 2 x i64> %res |
| } |
| |
| attributes #0 = { "target-features"="+sve" } |
| |
| declare <vscale x 16 x i8> @llvm.bitreverse.nxv16i8(<vscale x 16 x i8>) |
| declare <vscale x 8 x i16> @llvm.bitreverse.nxv8i16(<vscale x 8 x i16>) |
| declare <vscale x 4 x i32> @llvm.bitreverse.nxv4i32(<vscale x 4 x i32>) |
| declare <vscale x 2 x i64> @llvm.bitreverse.nxv2i64(<vscale x 2 x i64>) |
| |
| declare <vscale x 8 x i16> @llvm.bswap.nxv8i16(<vscale x 8 x i16>) |
| declare <vscale x 4 x i32> @llvm.bswap.nxv4i32(<vscale x 4 x i32>) |
| declare <vscale x 2 x i64> @llvm.bswap.nxv2i64(<vscale x 2 x i64>) |