xref: /llvm-project/llvm/test/CodeGen/AMDGPU/llvm.sqrt.f16.ll (revision 6548b6354d1d990e1c98736f5e7c3de876bedc8e)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefixes=SI %s
3; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=VI %s
4; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=gfx1100 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11 %s
5
6declare half @llvm.sqrt.f16(half %a)
7declare <2 x half> @llvm.sqrt.v2f16(<2 x half> %a)
8
9define amdgpu_kernel void @sqrt_f16(
10; SI-LABEL: sqrt_f16:
11; SI:       ; %bb.0: ; %entry
12; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
13; SI-NEXT:    s_mov_b32 s7, 0xf000
14; SI-NEXT:    s_mov_b32 s6, -1
15; SI-NEXT:    s_mov_b32 s10, s6
16; SI-NEXT:    s_mov_b32 s11, s7
17; SI-NEXT:    s_waitcnt lgkmcnt(0)
18; SI-NEXT:    s_mov_b32 s8, s2
19; SI-NEXT:    s_mov_b32 s9, s3
20; SI-NEXT:    buffer_load_ushort v0, off, s[8:11], 0
21; SI-NEXT:    s_mov_b32 s4, s0
22; SI-NEXT:    s_mov_b32 s5, s1
23; SI-NEXT:    s_waitcnt vmcnt(0)
24; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
25; SI-NEXT:    v_sqrt_f32_e32 v0, v0
26; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
27; SI-NEXT:    buffer_store_short v0, off, s[4:7], 0
28; SI-NEXT:    s_endpgm
29;
30; VI-LABEL: sqrt_f16:
31; VI:       ; %bb.0: ; %entry
32; VI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
33; VI-NEXT:    s_mov_b32 s7, 0xf000
34; VI-NEXT:    s_mov_b32 s6, -1
35; VI-NEXT:    s_mov_b32 s10, s6
36; VI-NEXT:    s_mov_b32 s11, s7
37; VI-NEXT:    s_waitcnt lgkmcnt(0)
38; VI-NEXT:    s_mov_b32 s8, s2
39; VI-NEXT:    s_mov_b32 s9, s3
40; VI-NEXT:    buffer_load_ushort v0, off, s[8:11], 0
41; VI-NEXT:    s_mov_b32 s4, s0
42; VI-NEXT:    s_mov_b32 s5, s1
43; VI-NEXT:    s_waitcnt vmcnt(0)
44; VI-NEXT:    v_sqrt_f16_e32 v0, v0
45; VI-NEXT:    buffer_store_short v0, off, s[4:7], 0
46; VI-NEXT:    s_endpgm
47;
48; GFX11-LABEL: sqrt_f16:
49; GFX11:       ; %bb.0: ; %entry
50; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
51; GFX11-NEXT:    s_mov_b32 s6, -1
52; GFX11-NEXT:    s_mov_b32 s7, 0x31016000
53; GFX11-NEXT:    s_mov_b32 s10, s6
54; GFX11-NEXT:    s_mov_b32 s11, s7
55; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
56; GFX11-NEXT:    s_mov_b32 s8, s2
57; GFX11-NEXT:    s_mov_b32 s9, s3
58; GFX11-NEXT:    s_mov_b32 s4, s0
59; GFX11-NEXT:    buffer_load_u16 v0, off, s[8:11], 0
60; GFX11-NEXT:    s_mov_b32 s5, s1
61; GFX11-NEXT:    s_waitcnt vmcnt(0)
62; GFX11-NEXT:    v_sqrt_f16_e32 v0, v0
63; GFX11-NEXT:    buffer_store_b16 v0, off, s[4:7], 0
64; GFX11-NEXT:    s_endpgm
65    ptr addrspace(1) %r,
66    ptr addrspace(1) %a) {
67entry:
68  %a.val = load half, ptr addrspace(1) %a
69  %r.val = call half @llvm.sqrt.f16(half %a.val)
70  store half %r.val, ptr addrspace(1) %r
71  ret void
72}
73
74; The original test with manual checks also had these NOT directives:
75; COM: SI-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
76; COM: SI-NOT: v_and_b32
77; COM: SI: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_0]], v[[R_F16_HI]]
78; COM: VI-DAG: v_sqrt_f16_sdwa v[[R_F16_1:[0-9]+]], v[[A_V2_F16]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1
79; COM: VI-NOT: v_and_b32
80; COM: VI: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_0]], v[[R_F16_1]]
81define amdgpu_kernel void @sqrt_v2f16(
82; SI-LABEL: sqrt_v2f16:
83; SI:       ; %bb.0: ; %entry
84; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
85; SI-NEXT:    s_mov_b32 s7, 0xf000
86; SI-NEXT:    s_mov_b32 s6, -1
87; SI-NEXT:    s_mov_b32 s10, s6
88; SI-NEXT:    s_mov_b32 s11, s7
89; SI-NEXT:    s_waitcnt lgkmcnt(0)
90; SI-NEXT:    s_mov_b32 s8, s2
91; SI-NEXT:    s_mov_b32 s9, s3
92; SI-NEXT:    buffer_load_dword v0, off, s[8:11], 0
93; SI-NEXT:    s_mov_b32 s4, s0
94; SI-NEXT:    s_mov_b32 s5, s1
95; SI-NEXT:    s_waitcnt vmcnt(0)
96; SI-NEXT:    v_lshrrev_b32_e32 v1, 16, v0
97; SI-NEXT:    v_cvt_f32_f16_e32 v1, v1
98; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
99; SI-NEXT:    v_sqrt_f32_e32 v1, v1
100; SI-NEXT:    v_sqrt_f32_e32 v0, v0
101; SI-NEXT:    v_cvt_f16_f32_e32 v1, v1
102; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
103; SI-NEXT:    v_lshlrev_b32_e32 v1, 16, v1
104; SI-NEXT:    v_or_b32_e32 v0, v0, v1
105; SI-NEXT:    buffer_store_dword v0, off, s[4:7], 0
106; SI-NEXT:    s_endpgm
107;
108; VI-LABEL: sqrt_v2f16:
109; VI:       ; %bb.0: ; %entry
110; VI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
111; VI-NEXT:    s_mov_b32 s7, 0xf000
112; VI-NEXT:    s_mov_b32 s6, -1
113; VI-NEXT:    s_mov_b32 s10, s6
114; VI-NEXT:    s_mov_b32 s11, s7
115; VI-NEXT:    s_waitcnt lgkmcnt(0)
116; VI-NEXT:    s_mov_b32 s8, s2
117; VI-NEXT:    s_mov_b32 s9, s3
118; VI-NEXT:    buffer_load_dword v0, off, s[8:11], 0
119; VI-NEXT:    s_mov_b32 s4, s0
120; VI-NEXT:    s_mov_b32 s5, s1
121; VI-NEXT:    s_waitcnt vmcnt(0)
122; VI-NEXT:    v_sqrt_f16_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1
123; VI-NEXT:    v_sqrt_f16_e32 v0, v0
124; VI-NEXT:    v_or_b32_e32 v0, v0, v1
125; VI-NEXT:    buffer_store_dword v0, off, s[4:7], 0
126; VI-NEXT:    s_endpgm
127;
128; GFX11-LABEL: sqrt_v2f16:
129; GFX11:       ; %bb.0: ; %entry
130; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
131; GFX11-NEXT:    s_mov_b32 s6, -1
132; GFX11-NEXT:    s_mov_b32 s7, 0x31016000
133; GFX11-NEXT:    s_mov_b32 s10, s6
134; GFX11-NEXT:    s_mov_b32 s11, s7
135; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
136; GFX11-NEXT:    s_mov_b32 s8, s2
137; GFX11-NEXT:    s_mov_b32 s9, s3
138; GFX11-NEXT:    s_mov_b32 s4, s0
139; GFX11-NEXT:    buffer_load_b32 v0, off, s[8:11], 0
140; GFX11-NEXT:    s_mov_b32 s5, s1
141; GFX11-NEXT:    s_waitcnt vmcnt(0)
142; GFX11-NEXT:    v_lshrrev_b32_e32 v1, 16, v0
143; GFX11-NEXT:    v_sqrt_f16_e32 v0, v0
144; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
145; GFX11-NEXT:    v_sqrt_f16_e32 v1, v1
146; GFX11-NEXT:    s_waitcnt_depctr 0xfff
147; GFX11-NEXT:    v_pack_b32_f16 v0, v0, v1
148; GFX11-NEXT:    buffer_store_b32 v0, off, s[4:7], 0
149; GFX11-NEXT:    s_endpgm
150    ptr addrspace(1) %r,
151    ptr addrspace(1) %a) {
152entry:
153  %a.val = load <2 x half>, ptr addrspace(1) %a
154  %r.val = call <2 x half> @llvm.sqrt.v2f16(<2 x half> %a.val)
155  store <2 x half> %r.val, ptr addrspace(1) %r
156  ret void
157}
158