xref: /llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mov.dpp.ll (revision 9e9907f1cfa424366fba58d9520f9305b537cec9)
1; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefixes=VI,VI-OPT,PREGFX10,PREGFX10-OPT %s
2; RUN: llc -O0 -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefixes=VI,VI-NOOPT,PREGFX10,PREGFX10-NOOPT %s
3; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -mattr=-flat-for-global -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefixes=VI,VI-OPT %s
4; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=-flat-for-global -amdgpu-enable-vopd=0 -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefixes=VI,VI-OPT %s
5
6; FIXME: The register allocator / scheduler should be able to avoid these hazards.
7
8; VI-LABEL: {{^}}dpp_test:
9; VI: v_mov_b32_e32 v0, s{{[0-9]+}}
10; VI-NOOPT: v_mov_b32_e32 v1, s{{[0-9]+}}
11; PREGFX10: s_nop 1
12; VI-OPT: v_mov_b32_dpp v0, v0 quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1 ; encoding: [0xfa,0x02,0x00,0x7e,0x00,0x01,0x08,0x11]
13; VI-NOOPT: v_mov_b32_dpp v0, v1 quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1 ; encoding: [0xfa,0x02,0x00,0x7e,0x01,0x01,0x08,0x11]
14define amdgpu_kernel void @dpp_test(ptr addrspace(1) %out, i32 %in) {
15  %tmp0 = call i32 @llvm.amdgcn.mov.dpp.i32(i32 %in, i32 1, i32 1, i32 1, i1 1) #0
16  store i32 %tmp0, ptr addrspace(1) %out
17  ret void
18}
19
20; VI-LABEL: {{^}}dpp_wait_states:
21; VI-NOOPT: v_mov_b32_e32 [[VGPR1:v[0-9]+]], s{{[0-9]+}}
22; VI: v_mov_b32_e32 [[VGPR0:v[0-9]+]], s{{[0-9]+}}
23; PREGFX10: s_nop 1
24; VI-OPT: v_mov_b32_dpp [[VGPR0]], [[VGPR0]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1
25; VI-NOOPT: v_mov_b32_dpp [[VGPR1]], [[VGPR0]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:
26; PREGFX10: s_nop 1
27; VI-OPT: v_mov_b32_dpp v{{[0-9]+}}, [[VGPR0]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1
28; VI-NOOPT: v_mov_b32_dpp v{{[0-9]+}}, [[VGPR1]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1
29define amdgpu_kernel void @dpp_wait_states(ptr addrspace(1) %out, i32 %in) {
30  %tmp0 = call i32 @llvm.amdgcn.mov.dpp.i32(i32 %in, i32 1, i32 1, i32 1, i1 1) #0
31  %tmp1 = call i32 @llvm.amdgcn.mov.dpp.i32(i32 %tmp0, i32 1, i32 1, i32 1, i1 1) #0
32  store i32 %tmp1, ptr addrspace(1) %out
33  ret void
34}
35
36; VI-LABEL: {{^}}dpp_first_in_bb:
37; VI: ; %endif
38; PREGFX10-NOOPT: s_waitcnt
39; PREGFX10-NOOPT: v_mov_b32_e32
40; VI: v_mov_b32_dpp [[VGPR0:v[0-9]+]], v{{[0-9]+}} quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1
41; PREGFX10-OPT: s_mov_b32
42; PREGFX10-OPT: s_mov_b32
43; VI: v_mov_b32_dpp [[VGPR1:v[0-9]+]], [[VGPR0]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1
44; PREGFX10: s_nop 1
45; VI: v_mov_b32_dpp v{{[0-9]+}}, [[VGPR1]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1 bound_ctrl:1
46define amdgpu_kernel void @dpp_first_in_bb(ptr addrspace(1) %out, ptr addrspace(1) %in, float %cond, float %a, float %b) {
47  %cmp = fcmp oeq float %cond, 0.0
48  br i1 %cmp, label %if, label %else
49
50if:
51  %out_val = load float, ptr addrspace(1) %out
52  %if_val = fadd float %a, %out_val
53  br label %endif
54
55else:
56  %in_val = load float, ptr addrspace(1) %in
57  %else_val = fadd float %b, %in_val
58  br label %endif
59
60endif:
61  %val = phi float [%if_val, %if], [%else_val, %else]
62  %val_i32 = bitcast float %val to i32
63  %tmp0 = call i32 @llvm.amdgcn.mov.dpp.i32(i32 %val_i32, i32 1, i32 1, i32 1, i1 1) #0
64  %tmp1 = call i32 @llvm.amdgcn.mov.dpp.i32(i32 %tmp0, i32 1, i32 1, i32 1, i1 1) #0
65  %tmp2 = call i32 @llvm.amdgcn.mov.dpp.i32(i32 %tmp1, i32 1, i32 1, i32 1, i1 1) #0
66  %tmp_float = bitcast i32 %tmp2 to float
67  store float %tmp_float, ptr addrspace(1) %out
68  ret void
69}
70
71; VI-LABEL: {{^}}mov_dpp64_test:
72; VI: v_mov_b32_dpp v{{[0-9]+}}, v{{[0-9]+}} quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1
73; VI: v_mov_b32_dpp v{{[0-9]+}}, v{{[0-9]+}} quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1
74define amdgpu_kernel void @mov_dpp64_test(ptr addrspace(1) %out, i64 %in1) {
75  %tmp0 = call i64 @llvm.amdgcn.mov.dpp.i64(i64 %in1, i32 1, i32 1, i32 1, i1 0) #0
76  store i64 %tmp0, ptr addrspace(1) %out
77  ret void
78}
79
80; VI-LABEL: {{^}}mov_dpp64_imm_test:
81; VI-OPT-DAG: s_mov_b32 s[[SOLD_LO:[0-9]+]], 0x3afaedd9
82; VI-OPT-DAG: s_movk_i32 s[[SOLD_HI:[0-9]+]], 0x7047
83; VI-OPT-DAG: v_mov_b32_e32 v[[OLD_LO:[0-9]+]], s[[SOLD_LO]]
84; VI-OPT-DAG: v_mov_b32_e32 v[[OLD_HI:[0-9]+]], s[[SOLD_HI]]
85; VI-OPT-DAG: v_mov_b32_dpp v[[OLD_LO]], v[[OLD_LO]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1
86; VI-OPT-DAG: v_mov_b32_dpp v[[OLD_HI]], v[[OLD_HI]] quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1
87; VI-NOOPT-COUNT-2: v_mov_b32_dpp v{{[0-9]+}}, v{{[0-9]+}} quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1
88define amdgpu_kernel void @mov_dpp64_imm_test(ptr addrspace(1) %out) {
89  %tmp0 = call i64 @llvm.amdgcn.mov.dpp.i64(i64 123451234512345, i32 1, i32 1, i32 1, i1 0) #0
90  store i64 %tmp0, ptr addrspace(1) %out
91  ret void
92}
93
94declare i32 @llvm.amdgcn.mov.dpp.i32(i32, i32, i32, i32, i1) #0
95declare i64 @llvm.amdgcn.mov.dpp.i64(i64, i32, i32, i32, i1) #0
96
97attributes #0 = { nounwind readnone convergent }
98
99