1; RUN: llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,SI %s
2; XUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI %s
3
4; FIXME: Enable for VI.
5
6declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
7declare float @llvm.amdgcn.div.fmas.f32(float, float, float, i1) nounwind readnone
8declare double @llvm.amdgcn.div.fmas.f64(double, double, double, i1) nounwind readnone
9
10; GCN-LABEL: {{^}}test_div_fmas_f32:
11; SI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x13
12; SI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x1c
13; SI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x25
14
15; VI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x4c
16; VI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x70
17; VI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x94
18
19; GCN-DAG: s_and_b32 [[AND_I1:s[0-9]+]], 1, s{{[0-9]+}}
20; GCN: v_cmp_eq_u32_e64 vcc, [[AND_I1]], 1
21
22; GCN-DAG: v_mov_b32_e32 [[VC:v[0-9]+]], [[SC]]
23; GCN-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[SB]]
24; GCN-DAG: v_mov_b32_e32 [[VA:v[0-9]+]], [[SA]]
25; GCN: v_div_fmas_f32 [[RESULT:v[0-9]+]], [[VA]], [[VB]], [[VC]]
26; GCN: buffer_store_dword [[RESULT]],
27define amdgpu_kernel void @test_div_fmas_f32(float addrspace(1)* %out, [8 x i32], float %a, [8 x i32], float %b, [8 x i32], float %c, [8 x i32], i1 %d) nounwind {
28  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %d) nounwind readnone
29  store float %result, float addrspace(1)* %out, align 4
30  ret void
31}
32
33; GCN-LABEL: {{^}}test_div_fmas_f32_inline_imm_0:
34; SI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x1c
35; SI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x25
36; SI-DAG: v_mov_b32_e32 [[VC:v[0-9]+]], [[SC]]
37; SI-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[SB]]
38; SI: v_div_fmas_f32 [[RESULT:v[0-9]+]], 1.0, [[VB]], [[VC]]
39; SI: buffer_store_dword [[RESULT]],
40define amdgpu_kernel void @test_div_fmas_f32_inline_imm_0(float addrspace(1)* %out, [8 x i32], float %a, [8 x i32], float %b, [8 x i32], float %c, [8 x i32], i1 %d) nounwind {
41  %result = call float @llvm.amdgcn.div.fmas.f32(float 1.0, float %b, float %c, i1 %d) nounwind readnone
42  store float %result, float addrspace(1)* %out, align 4
43  ret void
44}
45
46; GCN-LABEL: {{^}}test_div_fmas_f32_inline_imm_1:
47; SI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
48; SI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd
49
50; VI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x4c
51; VI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x94
52
53; GCN-DAG: v_mov_b32_e32 [[VC:v[0-9]+]], [[SC]]
54; GCN-DAG: v_mov_b32_e32 [[VA:v[0-9]+]], [[SA]]
55; GCN: v_div_fmas_f32 [[RESULT:v[0-9]+]], [[VA]], 1.0, [[VC]]
56; GCN: buffer_store_dword [[RESULT]],
57define amdgpu_kernel void @test_div_fmas_f32_inline_imm_1(float addrspace(1)* %out, float %a, float %b, float %c, [8 x i32], i1 %d) nounwind {
58  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float 1.0, float %c, i1 %d) nounwind readnone
59  store float %result, float addrspace(1)* %out, align 4
60  ret void
61}
62
63; GCN-LABEL: {{^}}test_div_fmas_f32_inline_imm_2:
64; SI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x13
65; SI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x1c
66
67; VI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x4c
68; VI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x70
69
70; GCN-DAG: v_mov_b32_e32 [[VA:v[0-9]+]], [[SA]]
71; GCN-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[SB]]
72; GCN: v_div_fmas_f32 [[RESULT:v[0-9]+]], [[VA]], [[VB]], 1.0
73; GCN: buffer_store_dword [[RESULT]],
74define amdgpu_kernel void @test_div_fmas_f32_inline_imm_2(float addrspace(1)* %out, [8 x i32], float %a, [8 x i32], float %b, [8 x i32], float %c, [8 x i32], i1 %d) nounwind {
75  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float 1.0, i1 %d) nounwind readnone
76  store float %result, float addrspace(1)* %out, align 4
77  ret void
78}
79
80; GCN-LABEL: {{^}}test_div_fmas_f64:
81; GCN: v_div_fmas_f64
82define amdgpu_kernel void @test_div_fmas_f64(double addrspace(1)* %out, double %a, double %b, double %c, i1 %d) nounwind {
83  %result = call double @llvm.amdgcn.div.fmas.f64(double %a, double %b, double %c, i1 %d) nounwind readnone
84  store double %result, double addrspace(1)* %out, align 8
85  ret void
86}
87
88; GCN-LABEL: {{^}}test_div_fmas_f32_cond_to_vcc:
89; GCN: v_cmp_eq_u32_e64 vcc, s{{[0-9]+}}, 0{{$}}
90; GCN: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
91define amdgpu_kernel void @test_div_fmas_f32_cond_to_vcc(float addrspace(1)* %out, float %a, float %b, float %c, i32 %i) nounwind {
92  %cmp = icmp eq i32 %i, 0
93  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %cmp) nounwind readnone
94  store float %result, float addrspace(1)* %out, align 4
95  ret void
96}
97
98; GCN-LABEL: {{^}}test_div_fmas_f32_imm_false_cond_to_vcc:
99; GCN: s_mov_b64 vcc, 0
100; GCN: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
101define amdgpu_kernel void @test_div_fmas_f32_imm_false_cond_to_vcc(float addrspace(1)* %out, float %a, float %b, float %c) nounwind {
102  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 false) nounwind readnone
103  store float %result, float addrspace(1)* %out, align 4
104  ret void
105}
106
107; GCN-LABEL: {{^}}test_div_fmas_f32_imm_true_cond_to_vcc:
108; GCN: s_mov_b64 vcc, -1
109; GCN: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
110define amdgpu_kernel void @test_div_fmas_f32_imm_true_cond_to_vcc(float addrspace(1)* %out, float %a, float %b, float %c) nounwind {
111  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 true) nounwind readnone
112  store float %result, float addrspace(1)* %out, align 4
113  ret void
114}
115
116; GCN-LABEL: {{^}}test_div_fmas_f32_logical_cond_to_vcc:
117; SI-DAG: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
118; SI-DAG: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
119; SI-DAG: buffer_load_dword [[C:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:8{{$}}
120
121; SI-DAG: v_cmp_eq_u32_e32 [[CMP0:vcc]], 0, v{{[0-9]+}}
122; SI-DAG: v_cmp_ne_u32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], s{{[0-9]+}}, 0{{$}}
123; SI: s_and_b64 vcc, [[CMP0]], [[CMP1]]
124; SI: v_div_fmas_f32 {{v[0-9]+}}, [[A]], [[B]], [[C]]
125; SI: s_endpgm
126define amdgpu_kernel void @test_div_fmas_f32_logical_cond_to_vcc(float addrspace(1)* %out, float addrspace(1)* %in, i32 %d) nounwind {
127  %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
128  %gep.a = getelementptr float, float addrspace(1)* %in, i32 %tid
129  %gep.b = getelementptr float, float addrspace(1)* %gep.a, i32 1
130  %gep.c = getelementptr float, float addrspace(1)* %gep.a, i32 2
131  %gep.out = getelementptr float, float addrspace(1)* %out, i32 2
132
133  %a = load volatile float, float addrspace(1)* %gep.a
134  %b = load volatile float, float addrspace(1)* %gep.b
135  %c = load volatile float, float addrspace(1)* %gep.c
136
137  %cmp0 = icmp eq i32 %tid, 0
138  %cmp1 = icmp ne i32 %d, 0
139  %and = and i1 %cmp0, %cmp1
140
141  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %and) nounwind readnone
142  store float %result, float addrspace(1)* %gep.out, align 4
143  ret void
144}
145
146; GCN-LABEL: {{^}}test_div_fmas_f32_i1_phi_vcc:
147
148; SI: ; %entry
149; SI:     v_cmp_eq_u32_e64   [[CMP:s\[[0-9]+:[0-9]+\]]], 0, {{v[0-9]+}}
150; SI:     s_mov_b64          vcc, 0
151; SI:     s_and_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], [[CMP]]
152
153; SI: ; %bb
154; SI:     buffer_load_dword  [[LOAD:v[0-9]+]],
155; SI:     v_cmp_ne_u32_e32   vcc, 0, [[LOAD]]
156; SI:     s_and_b64          vcc, vcc, exec
157
158; SI: ; %exit
159; SI:     s_or_b64           exec, exec, [[SAVE]]
160; SI-NOT: vcc
161; SI:     v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
162; SI:     buffer_store_dword
163; SI:     s_endpgm
164
165define amdgpu_kernel void @test_div_fmas_f32_i1_phi_vcc(float addrspace(1)* %out, float addrspace(1)* %in, i32 addrspace(1)* %dummy) nounwind {
166entry:
167  %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
168  %gep.out = getelementptr float, float addrspace(1)* %out, i32 2
169  %gep.a = getelementptr float, float addrspace(1)* %in, i32 %tid
170  %gep.b = getelementptr float, float addrspace(1)* %gep.a, i32 1
171  %gep.c = getelementptr float, float addrspace(1)* %gep.a, i32 2
172
173  %a = load float, float addrspace(1)* %gep.a
174  %b = load float, float addrspace(1)* %gep.b
175  %c = load float, float addrspace(1)* %gep.c
176
177  %cmp0 = icmp eq i32 %tid, 0
178  br i1 %cmp0, label %bb, label %exit
179
180bb:
181  %val = load i32, i32 addrspace(1)* %dummy
182  %cmp1 = icmp ne i32 %val, 0
183  br label %exit
184
185exit:
186  %cond = phi i1 [false, %entry], [%cmp1, %bb]
187  %result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %cond) nounwind readnone
188  store float %result, float addrspace(1)* %gep.out, align 4
189  ret void
190}
191