; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI %s
declare half @llvm.fabs.f16(half %a)
declare i1 @llvm.amdgcn.class.f16(half %a, i32 %b)
; GCN-LABEL: {{^}}class_f16:
; GCN-DAG: buffer_load_ushort v[[A_F16:[0-9]+]]
; GCN-DAG: buffer_load_dword v[[B_I32:[0-9]+]]
; VI: v_cmp_class_f16_e32 vcc, v[[A_F16]], v[[B_I32]]
; GCN: v_cndmask_b32_e64 v[[R_I32:[0-9]+]]
; GCN: buffer_store_dword v[[R_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16(
ptr addrspace(1) %r,
ptr addrspace(1) %a,
ptr addrspace(1) %b) {
entry:
%a.val = load half, ptr addrspace(1) %a
%b.val = load i32, ptr addrspace(1) %b
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val, i32 %b.val)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}class_f16_fabs:
; GCN: s_load_dword s[[SB_I32:[0-9]+]]
; GCN: s_load_dword s[[SA_F16:[0-9]+]]
; GCN: v_mov_b32_e32 [[V_B_I32:v[0-9]+]], s[[SB_I32]]
; VI: v_cmp_class_f16_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], |s[[SA_F16]]|, [[V_B_I32]]
; VI: v_cndmask_b32_e64 v[[VR_I32:[0-9]+]], 0, -1, [[CMP]]
; GCN: buffer_store_dword v[[VR_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16_fabs(
ptr addrspace(1) %r,
[8 x i32],
half %a.val,
[8 x i32],
i32 %b.val) {
entry:
%a.val.fabs = call half @llvm.fabs.f16(half %a.val)
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val.fabs, i32 %b.val)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}class_f16_fneg:
; GCN: s_load_dword s[[SB_I32:[0-9]+]]
; GCN: s_load_dword s[[SA_F16:[0-9]+]]
; GCN: v_mov_b32_e32 [[V_B_I32:v[0-9]+]], s[[SB_I32]]
; VI: v_cmp_class_f16_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], -s[[SA_F16]], [[V_B_I32]]
; VI: v_cndmask_b32_e64 v[[VR_I32:[0-9]+]], 0, -1, [[CMP]]
; GCN: buffer_store_dword v[[VR_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16_fneg(
ptr addrspace(1) %r,
[8 x i32],
half %a.val,
[8 x i32],
i32 %b.val) {
entry:
%a.val.fneg = fsub half -0.0, %a.val
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val.fneg, i32 %b.val)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}class_f16_fabs_fneg:
; GCN: s_load_dword s[[SB_I32:[0-9]+]]
; GCN: s_load_dword s[[SA_F16:[0-9]+]]
; GCN: v_mov_b32_e32 [[V_B_I32:v[0-9]+]], s[[SB_I32]]
; VI: v_cmp_class_f16_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], -|s[[SA_F16]]|, [[V_B_I32]]
; VI: v_cndmask_b32_e64 v[[VR_I32:[0-9]+]], 0, -1, [[CMP]]
; GCN: buffer_store_dword v[[VR_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16_fabs_fneg(
ptr addrspace(1) %r,
[8 x i32],
half %a.val,
[8 x i32],
i32 %b.val) {
entry:
%a.val.fabs = call half @llvm.fabs.f16(half %a.val)
%a.val.fabs.fneg = fsub half -0.0, %a.val.fabs
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val.fabs.fneg, i32 %b.val)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}class_f16_1:
; GCN: s_load_dword s[[SA_F16:[0-9]+]]
; VI: v_cmp_class_f16_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], s[[SA_F16]], 1{{$}}
; VI: v_cndmask_b32_e64 v[[VR_I32:[0-9]+]], 0, -1, [[CMP]]
; GCN: buffer_store_dword v[[VR_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16_1(
ptr addrspace(1) %r,
half %a.val) {
entry:
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val, i32 1)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}class_f16_64
; GCN: s_load_dword s[[SA_F16:[0-9]+]]
; VI: v_cmp_class_f16_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], s[[SA_F16]], 64{{$}}
; VI: v_cndmask_b32_e64 v[[VR_I32:[0-9]+]], 0, -1, [[CMP]]
; GCN: buffer_store_dword v[[VR_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16_64(
ptr addrspace(1) %r,
half %a.val) {
entry:
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val, i32 64)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}class_f16_full_mask:
; GCN: s_load_dword s[[SA_F16:[0-9]+]]
; VI: v_mov_b32_e32 v[[MASK:[0-9]+]], 0x3ff{{$}}
; VI: v_cmp_class_f16_e32 vcc, s[[SA_F16]], v[[MASK]]
; VI: v_cndmask_b32_e64 v[[VR_I32:[0-9]+]], 0, -1, vcc
; GCN: buffer_store_dword v[[VR_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16_full_mask(
ptr addrspace(1) %r,
half %a.val) {
entry:
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val, i32 1023)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}class_f16_nine_bit_mask:
; GCN: s_load_dword s[[SA_F16:[0-9]+]]
; VI: v_mov_b32_e32 v[[MASK:[0-9]+]], 0x1ff{{$}}
; VI: v_cmp_class_f16_e32 vcc, s[[SA_F16]], v[[MASK]]
; VI: v_cndmask_b32_e64 v[[VR_I32:[0-9]+]], 0, -1, vcc
; GCN: buffer_store_dword v[[VR_I32]]
; GCN: s_endpgm
define amdgpu_kernel void @class_f16_nine_bit_mask(
ptr addrspace(1) %r,
half %a.val) {
entry:
%r.val = call i1 @llvm.amdgcn.class.f16(half %a.val, i32 511)
%r.val.sext = sext i1 %r.val to i32
store i32 %r.val.sext, ptr addrspace(1) %r
ret void
}
Codebase Browser
llvm