1 ;RUN: llc < %s -mtriple=amdgcn -mcpu=verde -amdgpu-atomic-optimizer-strategy=None -verify-machineinstrs | FileCheck %s
2 ;RUN: llc < %s -mtriple=amdgcn -mcpu=tonga -amdgpu-atomic-optimizer-strategy=None -verify-machineinstrs | FileCheck %s
4 ;CHECK-LABEL: {{^}}test1:
6 ;CHECK: buffer_atomic_swap v0, {{v[0-9]+}}, s[0:3], 0 idxen glc
7 ;CHECK: s_waitcnt vmcnt(0)
8 ;CHECK: buffer_atomic_swap v0, {{v[0-9]+}}, s[0:3], 0 idxen glc
9 ;CHECK: s_movk_i32 [[SOFS:s[0-9]+]], 0x1ffc
10 ;CHECK: s_waitcnt vmcnt(0)
11 ;CHECK: buffer_atomic_swap v0, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen glc
12 ;CHECK: s_waitcnt vmcnt(0)
13 ;CHECK: buffer_atomic_swap v0, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen glc
14 ;CHECK: s_waitcnt vmcnt(0)
15 ;CHECK: buffer_atomic_swap v0, v[1:2], s[0:3], 0 idxen offen offset:42 glc
16 ;CHECK-DAG: s_waitcnt vmcnt(0)
17 ;CHECK: buffer_atomic_swap v0, {{v[0-9]+}}, s[0:3], [[SOFS]] idxen offset:4 glc
18 ;CHECK: s_waitcnt vmcnt(0)
19 ;CHECK: buffer_atomic_swap v0, {{v[0-9]+}}, s[0:3], 0 idxen{{$}}
20 ;CHECK: buffer_atomic_swap v0, {{v[0-9]+}}, s[0:3], 0 idxen glc
21 define amdgpu_ps float @test1(<4 x i32> inreg %rsrc, i32 %data, i32 %vindex, i32 %voffset) {
23 %o1 = call i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32 %data, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
24 %o2 = call i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32 %o1, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
25 %o3 = call i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32 %o2, <4 x i32> %rsrc, i32 0, i32 %voffset, i32 0, i32 0)
26 %o4 = call i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32 %o3, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 0, i32 0)
27 %ofs.5 = add i32 %voffset, 42
28 %o5 = call i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32 %o4, <4 x i32> %rsrc, i32 0, i32 %ofs.5, i32 0, i32 0)
29 %o6 = call i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32 %o5, <4 x i32> %rsrc, i32 0, i32 4, i32 8188, i32 0)
30 %unused = call i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32 %o6, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
31 %o7 = bitcast i32 %o6 to float
32 %out = call float @llvm.amdgcn.struct.buffer.atomic.swap.f32(float %o7, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
36 ;CHECK-LABEL: {{^}}test2:
38 ;CHECK: buffer_atomic_add v0, v1, s[0:3], 0 idxen glc{{$}}
39 ;CHECK: s_waitcnt vmcnt(0)
40 ;CHECK: buffer_atomic_sub v0, v1, s[0:3], 0 idxen glc slc
41 ;CHECK: s_waitcnt vmcnt(0)
42 ;CHECK: buffer_atomic_smin v0, v1, s[0:3], 0 idxen glc{{$}}
43 ;CHECK: s_waitcnt vmcnt(0)
44 ;CHECK: buffer_atomic_umin v0, v1, s[0:3], 0 idxen glc slc
45 ;CHECK: s_waitcnt vmcnt(0)
46 ;CHECK: buffer_atomic_smax v0, v1, s[0:3], 0 idxen glc{{$}}
47 ;CHECK: s_waitcnt vmcnt(0)
48 ;CHECK: buffer_atomic_umax v0, v1, s[0:3], 0 idxen glc slc
49 ;CHECK: s_waitcnt vmcnt(0)
50 ;CHECK: buffer_atomic_and v0, v1, s[0:3], 0 idxen glc{{$}}
51 ;CHECK: s_waitcnt vmcnt(0)
52 ;CHECK: buffer_atomic_or v0, v1, s[0:3], 0 idxen glc slc
53 ;CHECK: s_waitcnt vmcnt(0)
54 ;CHECK: buffer_atomic_xor v0, v1, s[0:3], 0 idxen glc
55 ;CHECK: s_waitcnt vmcnt(0)
56 ;CHECK: buffer_atomic_inc v0, v1, s[0:3], 0 idxen glc
57 ;CHECK: s_waitcnt vmcnt(0)
58 ;CHECK: buffer_atomic_dec v0, v1, s[0:3], 0 idxen glc
59 define amdgpu_ps float @test2(<4 x i32> inreg %rsrc, i32 %data, i32 %vindex) {
61 %t1 = call i32 @llvm.amdgcn.struct.buffer.atomic.add.i32(i32 %data, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
62 %t2 = call i32 @llvm.amdgcn.struct.buffer.atomic.sub.i32(i32 %t1, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 2)
63 %t3 = call i32 @llvm.amdgcn.struct.buffer.atomic.smin.i32(i32 %t2, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
64 %t4 = call i32 @llvm.amdgcn.struct.buffer.atomic.umin.i32(i32 %t3, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 2)
65 %t5 = call i32 @llvm.amdgcn.struct.buffer.atomic.smax.i32(i32 %t4, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
66 %t6 = call i32 @llvm.amdgcn.struct.buffer.atomic.umax.i32(i32 %t5, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 2)
67 %t7 = call i32 @llvm.amdgcn.struct.buffer.atomic.and.i32(i32 %t6, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
68 %t8 = call i32 @llvm.amdgcn.struct.buffer.atomic.or.i32(i32 %t7, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 2)
69 %t9 = call i32 @llvm.amdgcn.struct.buffer.atomic.xor.i32(i32 %t8, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
70 %t10 = call i32 @llvm.amdgcn.struct.buffer.atomic.inc.i32(i32 %t9, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
71 %t11 = call i32 @llvm.amdgcn.struct.buffer.atomic.dec.i32(i32 %t10, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
72 %out = bitcast i32 %t11 to float
76 ; Ideally, we would teach tablegen & friends that cmpswap only modifies the
77 ; first vgpr. Since we don't do that yet, the register allocator will have to
78 ; create copies which we don't bother to track here.
80 ;CHECK-LABEL: {{^}}test3:
82 ;CHECK: buffer_atomic_cmpswap {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], 0 idxen glc
83 ;CHECK: s_waitcnt vmcnt(0)
84 ;CHECK: buffer_atomic_cmpswap {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], 0 idxen glc
85 ;CHECK: s_waitcnt vmcnt(0)
86 ;CHECK: s_movk_i32 [[SOFS:s[0-9]+]], 0x1ffc
87 ;CHECK: buffer_atomic_cmpswap {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen glc
88 ;CHECK: s_waitcnt vmcnt(0)
89 ;CHECK: buffer_atomic_cmpswap {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen glc
90 ;CHECK: s_waitcnt vmcnt(0)
91 ;CHECK: buffer_atomic_cmpswap {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen offset:44 glc
92 ;CHECK-DAG: s_waitcnt vmcnt(0)
93 ;CHECK: buffer_atomic_cmpswap {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], [[SOFS]] idxen offset:4 glc
94 define amdgpu_ps float @test3(<4 x i32> inreg %rsrc, i32 %data, i32 %cmp, i32 %vindex, i32 %voffset) {
96 %o1 = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %data, i32 %cmp, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
97 %o2 = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %o1, i32 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
98 %o3 = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %o2, i32 %cmp, <4 x i32> %rsrc, i32 0, i32 %voffset, i32 0, i32 0)
99 %o4 = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %o3, i32 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 0, i32 0)
100 %offs.5 = add i32 %voffset, 44
101 %o5 = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %o4, i32 %cmp, <4 x i32> %rsrc, i32 0, i32 %offs.5, i32 0, i32 0)
102 %o6 = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %o5, i32 %cmp, <4 x i32> %rsrc, i32 0, i32 4, i32 8188, i32 0)
104 ; Detecting the no-return variant doesn't work right now because of how the
105 ; intrinsic is replaced by an instruction that feeds into an EXTRACT_SUBREG.
106 ; Since there probably isn't a reasonable use-case of cmpswap that discards
107 ; the return value, that seems okay.
109 ; %unused = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %o6, i32 %cmp, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
110 %out = bitcast i32 %o6 to float
114 ;CHECK-LABEL: {{^}}test4:
115 ;CHECK: buffer_atomic_add v0,
116 define amdgpu_ps float @test4() {
118 %v = call i32 @llvm.amdgcn.struct.buffer.atomic.add.i32(i32 1, <4 x i32> undef, i32 0, i32 4, i32 0, i32 0)
119 %v.float = bitcast i32 %v to float
123 ;CHECK-LABEL: {{^}}test5:
124 ;CHECK-NOT: s_waitcnt
125 ;CHECK: buffer_atomic_cmpswap_x2 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], 0 idxen glc
126 ;CHECK: s_waitcnt vmcnt(0)
127 ;CHECK: buffer_atomic_cmpswap_x2 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], 0 idxen glc
128 ;CHECK: s_waitcnt vmcnt(0)
129 ;CHECK: s_movk_i32 [[SOFS:s[0-9]+]], 0x1ffc
130 ;CHECK: buffer_atomic_cmpswap_x2 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen glc
131 ;CHECK: s_waitcnt vmcnt(0)
132 ;CHECK: buffer_atomic_cmpswap_x2 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen glc
133 ;CHECK: s_waitcnt vmcnt(0)
134 ;CHECK: buffer_atomic_cmpswap_x2 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen offset:44 glc
135 ;CHECK-DAG: s_waitcnt vmcnt(0)
136 ;CHECK: buffer_atomic_cmpswap_x2 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], [[SOFS]] idxen offset:4 glc
137 define amdgpu_ps float @test5(<4 x i32> inreg %rsrc, i64 %data, i64 %cmp, i32 %vindex, i32 %voffset) {
139 %o1 = call i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64 %data, i64 %cmp, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
140 %o2 = call i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64 %o1, i64 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 0, i32 0, i32 0)
141 %o3 = call i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64 %o2, i64 %cmp, <4 x i32> %rsrc, i32 0, i32 %voffset, i32 0, i32 0)
142 %o4 = call i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64 %o3, i64 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 0, i32 0)
143 %offs.5 = add i32 %voffset, 44
144 %o5 = call i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64 %o4, i64 %cmp, <4 x i32> %rsrc, i32 0, i32 %offs.5, i32 0, i32 0)
145 %o6 = call i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64 %o5, i64 %cmp, <4 x i32> %rsrc, i32 0, i32 4, i32 8188, i32 0)
146 %out = sitofp i64 %o6 to float
150 declare i32 @llvm.amdgcn.struct.buffer.atomic.swap.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
151 declare float @llvm.amdgcn.struct.buffer.atomic.swap.f32(float, <4 x i32>, i32, i32, i32, i32) #0
152 declare i32 @llvm.amdgcn.struct.buffer.atomic.add.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
153 declare i32 @llvm.amdgcn.struct.buffer.atomic.sub.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
154 declare i32 @llvm.amdgcn.struct.buffer.atomic.smin.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
155 declare i32 @llvm.amdgcn.struct.buffer.atomic.umin.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
156 declare i32 @llvm.amdgcn.struct.buffer.atomic.smax.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
157 declare i32 @llvm.amdgcn.struct.buffer.atomic.umax.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
158 declare i32 @llvm.amdgcn.struct.buffer.atomic.and.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
159 declare i32 @llvm.amdgcn.struct.buffer.atomic.or.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
160 declare i32 @llvm.amdgcn.struct.buffer.atomic.xor.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
161 declare i32 @llvm.amdgcn.struct.buffer.atomic.inc.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
162 declare i32 @llvm.amdgcn.struct.buffer.atomic.dec.i32(i32, <4 x i32>, i32, i32, i32, i32) #0
163 declare i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32, i32, <4 x i32>, i32, i32, i32, i32) #0
164 declare i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64, i64, <4 x i32>, i32, i32, i32, i32) #0
166 attributes #0 = { nounwind }