1; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,SI,SIVI %s
2; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI,GFX89,SIVI %s
3; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9,GFX89 %s
4
5; GCN-LABEL: {{^}}v_mul_i16:
6; SI: s_mov_b32 [[K:s[0-9]+]], 0xffff{{$}}
7; SI: v_and_b32_e32 v{{[0-9]+}}, [[K]]
8; SI: v_and_b32_e32 v{{[0-9]+}}, [[K]]
9; SI: v_mul_u32_u24
10
11; GFX89: v_mul_lo_u16_e32 v0, v0, v1
12define i16 @v_mul_i16(i16 %a, i16 %b) {
13  %r.val = mul i16 %a, %b
14  ret i16 %r.val
15}
16
17; FIXME: Should emit scalar mul or maybe i16 v_mul here
18; GCN-LABEL: {{^}}s_mul_i16:
19; SI: v_mul_u32_u24
20; VI: s_mul_i16
21define amdgpu_kernel void @s_mul_i16(i16 %a, i16 %b) {
22  %r.val = mul i16 %a, %b
23  store volatile i16 %r.val, i16 addrspace(1)* null
24  ret void
25}
26
27; FIXME: Should emit u16 mul here. Instead it's worse than SI
28; GCN-LABEL: {{^}}v_mul_i16_uniform_load:
29; SI: v_mul_u32_u24
30; GFX89: v_mul_lo_u32
31define amdgpu_kernel void @v_mul_i16_uniform_load(
32    i16 addrspace(1)* %r,
33    i16 addrspace(1)* %a,
34    i16 addrspace(1)* %b) {
35entry:
36  %a.val = load i16, i16 addrspace(1)* %a
37  %b.val = load i16, i16 addrspace(1)* %b
38  %r.val = mul i16 %a.val, %b.val
39  store i16 %r.val, i16 addrspace(1)* %r
40  ret void
41}
42
43; GCN-LABEL: {{^}}v_mul_v2i16:
44; SI: v_mul_u32_u24
45; SI: v_mul_u32_u24
46
47; VI: v_mul_lo_u16_sdwa
48; VI: v_mul_lo_u16_e32
49; VI: v_or_b32_e32
50
51
52; GFX9: s_waitcnt
53; GFX9-NEXT: v_pk_mul_lo_u16 v0, v0, v1
54; GFX9-NEXT: s_setpc_b64
55define <2 x i16> @v_mul_v2i16(<2 x i16> %a, <2 x i16> %b) {
56  %r.val = mul <2 x i16> %a, %b
57  ret <2 x i16> %r.val
58}
59
60; FIXME: Unpack garbage on gfx9
61; GCN-LABEL: {{^}}v_mul_v3i16:
62; SI: v_mul_u32_u24
63; SI: v_mul_u32_u24
64; SI: v_mul_u32_u24
65
66; VI: v_mul_lo_u16
67; VI: v_mul_lo_u16
68; VI: v_mul_lo_u16
69
70; GFX9: s_waitcnt
71; GFX9-NEXT: v_pk_mul_lo_u16
72; GFX9-NEXT: v_pk_mul_lo_u16
73; GFX9-NEXT: s_setpc_b64
74define <3 x i16> @v_mul_v3i16(<3 x i16> %a, <3 x i16> %b) {
75  %r.val = mul <3 x i16> %a, %b
76  ret <3 x i16> %r.val
77}
78
79; GCN-LABEL: {{^}}v_mul_v4i16:
80; SI: v_mul_u32_u24
81; SI: v_mul_u32_u24
82; SI: v_mul_u32_u24
83; SI: v_mul_u32_u24
84
85; VI: v_mul_lo_u16_sdwa
86; VI: v_mul_lo_u16_e32
87; VI: v_mul_lo_u16_sdwa
88; VI: v_mul_lo_u16_e32
89; VI: v_or_b32_e32
90; VI: v_or_b32_e32
91
92; GFX9: s_waitcnt
93; GFX9-NEXT: v_pk_mul_lo_u16 v0, v0, v2
94; GFX9-NEXT: v_pk_mul_lo_u16 v1, v1, v3
95; GFX9-NEXT: s_setpc_b64
96define <4 x i16> @v_mul_v4i16(<4 x i16> %a, <4 x i16> %b) {
97  %r.val = mul <4 x i16> %a, %b
98  ret <4 x i16> %r.val
99}
100