You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.6 KiB
46 lines
1.6 KiB
4 months ago
|
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
|
||
|
|
|
||
|
|
declare half @llvm.amdgcn.ldexp.f16(half %a, i32 %b)
|
||
|
|
|
||
|
|
; GCN-LABEL: {{^}}ldexp_f16
|
||
|
|
; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
|
||
|
|
; GCN: buffer_load_dword v[[B_I32:[0-9]+]]
|
||
|
|
; VI: v_ldexp_f16_e32 v[[R_F16:[0-9]+]], v[[A_F16]], v[[B_I32]]
|
||
|
|
; GCN: buffer_store_short v[[R_F16]]
|
||
|
|
define amdgpu_kernel void @ldexp_f16(
|
||
|
|
half addrspace(1)* %r,
|
||
|
|
half addrspace(1)* %a,
|
||
|
|
i32 addrspace(1)* %b) {
|
||
|
|
%a.val = load half, half addrspace(1)* %a
|
||
|
|
%b.val = load i32, i32 addrspace(1)* %b
|
||
|
|
%r.val = call half @llvm.amdgcn.ldexp.f16(half %a.val, i32 %b.val)
|
||
|
|
store half %r.val, half addrspace(1)* %r
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; GCN-LABEL: {{^}}ldexp_f16_imm_a
|
||
|
|
; GCN: buffer_load_dword v[[B_I32:[0-9]+]]
|
||
|
|
; VI: v_ldexp_f16_e32 v[[R_F16:[0-9]+]], 2.0, v[[B_I32]]
|
||
|
|
; GCN: buffer_store_short v[[R_F16]]
|
||
|
|
define amdgpu_kernel void @ldexp_f16_imm_a(
|
||
|
|
half addrspace(1)* %r,
|
||
|
|
i32 addrspace(1)* %b) {
|
||
|
|
%b.val = load i32, i32 addrspace(1)* %b
|
||
|
|
%r.val = call half @llvm.amdgcn.ldexp.f16(half 2.0, i32 %b.val)
|
||
|
|
store half %r.val, half addrspace(1)* %r
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; GCN-LABEL: {{^}}ldexp_f16_imm_b
|
||
|
|
; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
|
||
|
|
; VI: v_ldexp_f16_e64 v[[R_F16:[0-9]+]], v[[A_F16]], 2{{$}}
|
||
|
|
; GCN: buffer_store_short v[[R_F16]]
|
||
|
|
define amdgpu_kernel void @ldexp_f16_imm_b(
|
||
|
|
half addrspace(1)* %r,
|
||
|
|
half addrspace(1)* %a) {
|
||
|
|
%a.val = load half, half addrspace(1)* %a
|
||
|
|
%r.val = call half @llvm.amdgcn.ldexp.f16(half %a.val, i32 2)
|
||
|
|
store half %r.val, half addrspace(1)* %r
|
||
|
|
ret void
|
||
|
|
}
|