| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu | FileCheck %s |
| |
| ; Test cases of bitcasts where one type needs to be widened and one needs to be promoted. |
| |
| define <2 x i16> @bitcast_v2i16_v2f16(<2 x half> %x) { |
| ; CHECK-LABEL: bitcast_v2i16_v2f16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 |
| ; CHECK-NEXT: umov w8, v0.h[0] |
| ; CHECK-NEXT: fmov s1, w8 |
| ; CHECK-NEXT: umov w8, v0.h[1] |
| ; CHECK-NEXT: mov v1.s[1], w8 |
| ; CHECK-NEXT: mov v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %y = bitcast <2 x half> %x to <2 x i16> |
| ret <2 x i16> %y |
| } |
| |
| define <2 x half> @bitcast_v2f16_v2i16(<2 x i16> %x) { |
| ; CHECK-LABEL: bitcast_v2f16_v2i16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: uzp1 v0.4h, v0.4h, v0.4h |
| ; CHECK-NEXT: ret |
| %y = bitcast <2 x i16> %x to <2 x half> |
| ret <2 x half> %y |
| } |