1 ; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
3 declare half @llvm.amdgcn.rsq.f16(half %a)
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]]
10 define amdgpu_kernel void @rsq_f16(
11 half addrspace(1)* %r,
12 half addrspace(1)* %a) {
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