llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.frexp.mant.f16.ll

19 lines
631 B
LLVM

; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
declare half @llvm.amdgcn.frexp.mant.f16(half %a)
; GCN-LABEL: {{^}}frexp_mant_f16
; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
; VI: v_frexp_mant_f16_e32 v[[R_F16:[0-9]+]], v[[A_F16]]
; GCN: buffer_store_short v[[R_F16]]
; GCN: s_endpgm
define void @frexp_mant_f16(
half addrspace(1)* %r,
half addrspace(1)* %a) {
entry:
%a.val = load half, half addrspace(1)* %a
%r.val = call half @llvm.amdgcn.frexp.mant.f16(half %a.val)
store half %r.val, half addrspace(1)* %r
ret void
}