forked from OSchip/llvm-project
19 lines
631 B
LLVM
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
|
|
}
|