| Matt Arsenault | 7aad8fd | 2017-01-24 22:02:15 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s |
| Konstantin Zhuravlyov | f86e4b7 | 2016-11-13 07:01:11 +0000 | [diff] [blame] | 2 | |
| 3 | declare half @llvm.amdgcn.rsq.f16(half %a) |
| 4 | |
| 5 | ; GCN-LABEL: {{^}}rsq_f16 |
| 6 | ; GCN: buffer_load_ushort v[[A_F16:[0-9]+]] |
| 7 | ; VI: v_rsq_f16_e32 v[[R_F16:[0-9]+]], v[[A_F16]] |
| 8 | ; GCN: buffer_store_short v[[R_F16]] |
| 9 | ; GCN: s_endpgm |
| Matt Arsenault | 3dbeefa | 2017-03-21 21:39:51 +0000 | [diff] [blame] | 10 | define amdgpu_kernel void @rsq_f16( |
| Konstantin Zhuravlyov | f86e4b7 | 2016-11-13 07:01:11 +0000 | [diff] [blame] | 11 | half addrspace(1)* %r, |
| 12 | half addrspace(1)* %a) { |
| 13 | entry: |
| 14 | %a.val = load half, half addrspace(1)* %a |
| 15 | %r.val = call half @llvm.amdgcn.rsq.f16(half %a.val) |
| 16 | store half %r.val, half addrspace(1)* %r |
| 17 | ret void |
| 18 | } |