1; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx803 < %s | FileCheck --check-prefix=CHECK %s
2; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx803 --amdhsa-code-object-version=2 -filetype=obj -o - < %s | llvm-readelf --notes - | FileCheck --check-prefix=HSAMD %s
3
4; CHECK-LABEL: {{^}}min_64_max_64:
5; CHECK: SGPRBlocks: 0
6; CHECK: VGPRBlocks: 0
7; CHECK: NumSGPRsForWavesPerEU: 1
8; CHECK: NumVGPRsForWavesPerEU: 1
9define amdgpu_kernel void @min_64_max_64() #0 {
10entry:
11  ret void
12}
13attributes #0 = {"amdgpu-flat-work-group-size"="64,64"}
14
15; CHECK-LABEL: {{^}}min_64_max_128:
16; CHECK: SGPRBlocks: 0
17; CHECK: VGPRBlocks: 0
18; CHECK: NumSGPRsForWavesPerEU: 1
19; CHECK: NumVGPRsForWavesPerEU: 1
20define amdgpu_kernel void @min_64_max_128() #1 {
21entry:
22  ret void
23}
24attributes #1 = {"amdgpu-flat-work-group-size"="64,128"}
25
26; CHECK-LABEL: {{^}}min_128_max_128:
27; CHECK: SGPRBlocks: 0
28; CHECK: VGPRBlocks: 0
29; CHECK: NumSGPRsForWavesPerEU: 1
30; CHECK: NumVGPRsForWavesPerEU: 1
31define amdgpu_kernel void @min_128_max_128() #2 {
32entry:
33  ret void
34}
35attributes #2 = {"amdgpu-flat-work-group-size"="128,128"}
36
37; CHECK-LABEL: {{^}}min_1024_max_1024
38; CHECK: SGPRBlocks: 0
39; CHECK: VGPRBlocks: 10
40; CHECK: NumSGPRsForWavesPerEU: 2{{$}}
41; CHECK: NumVGPRsForWavesPerEU: 43
42@var = addrspace(1) global float 0.0
43define amdgpu_kernel void @min_1024_max_1024() #3 {
44  %val0 = load volatile float, float addrspace(1)* @var
45  %val1 = load volatile float, float addrspace(1)* @var
46  %val2 = load volatile float, float addrspace(1)* @var
47  %val3 = load volatile float, float addrspace(1)* @var
48  %val4 = load volatile float, float addrspace(1)* @var
49  %val5 = load volatile float, float addrspace(1)* @var
50  %val6 = load volatile float, float addrspace(1)* @var
51  %val7 = load volatile float, float addrspace(1)* @var
52  %val8 = load volatile float, float addrspace(1)* @var
53  %val9 = load volatile float, float addrspace(1)* @var
54  %val10 = load volatile float, float addrspace(1)* @var
55  %val11 = load volatile float, float addrspace(1)* @var
56  %val12 = load volatile float, float addrspace(1)* @var
57  %val13 = load volatile float, float addrspace(1)* @var
58  %val14 = load volatile float, float addrspace(1)* @var
59  %val15 = load volatile float, float addrspace(1)* @var
60  %val16 = load volatile float, float addrspace(1)* @var
61  %val17 = load volatile float, float addrspace(1)* @var
62  %val18 = load volatile float, float addrspace(1)* @var
63  %val19 = load volatile float, float addrspace(1)* @var
64  %val20 = load volatile float, float addrspace(1)* @var
65  %val21 = load volatile float, float addrspace(1)* @var
66  %val22 = load volatile float, float addrspace(1)* @var
67  %val23 = load volatile float, float addrspace(1)* @var
68  %val24 = load volatile float, float addrspace(1)* @var
69  %val25 = load volatile float, float addrspace(1)* @var
70  %val26 = load volatile float, float addrspace(1)* @var
71  %val27 = load volatile float, float addrspace(1)* @var
72  %val28 = load volatile float, float addrspace(1)* @var
73  %val29 = load volatile float, float addrspace(1)* @var
74  %val30 = load volatile float, float addrspace(1)* @var
75  %val31 = load volatile float, float addrspace(1)* @var
76  %val32 = load volatile float, float addrspace(1)* @var
77  %val33 = load volatile float, float addrspace(1)* @var
78  %val34 = load volatile float, float addrspace(1)* @var
79  %val35 = load volatile float, float addrspace(1)* @var
80  %val36 = load volatile float, float addrspace(1)* @var
81  %val37 = load volatile float, float addrspace(1)* @var
82  %val38 = load volatile float, float addrspace(1)* @var
83  %val39 = load volatile float, float addrspace(1)* @var
84  %val40 = load volatile float, float addrspace(1)* @var
85
86  store volatile float %val0, float addrspace(1)* @var
87  store volatile float %val1, float addrspace(1)* @var
88  store volatile float %val2, float addrspace(1)* @var
89  store volatile float %val3, float addrspace(1)* @var
90  store volatile float %val4, float addrspace(1)* @var
91  store volatile float %val5, float addrspace(1)* @var
92  store volatile float %val6, float addrspace(1)* @var
93  store volatile float %val7, float addrspace(1)* @var
94  store volatile float %val8, float addrspace(1)* @var
95  store volatile float %val9, float addrspace(1)* @var
96  store volatile float %val10, float addrspace(1)* @var
97  store volatile float %val11, float addrspace(1)* @var
98  store volatile float %val12, float addrspace(1)* @var
99  store volatile float %val13, float addrspace(1)* @var
100  store volatile float %val14, float addrspace(1)* @var
101  store volatile float %val15, float addrspace(1)* @var
102  store volatile float %val16, float addrspace(1)* @var
103  store volatile float %val17, float addrspace(1)* @var
104  store volatile float %val18, float addrspace(1)* @var
105  store volatile float %val19, float addrspace(1)* @var
106  store volatile float %val20, float addrspace(1)* @var
107  store volatile float %val21, float addrspace(1)* @var
108  store volatile float %val22, float addrspace(1)* @var
109  store volatile float %val23, float addrspace(1)* @var
110  store volatile float %val24, float addrspace(1)* @var
111  store volatile float %val25, float addrspace(1)* @var
112  store volatile float %val26, float addrspace(1)* @var
113  store volatile float %val27, float addrspace(1)* @var
114  store volatile float %val28, float addrspace(1)* @var
115  store volatile float %val29, float addrspace(1)* @var
116  store volatile float %val30, float addrspace(1)* @var
117  store volatile float %val31, float addrspace(1)* @var
118  store volatile float %val32, float addrspace(1)* @var
119  store volatile float %val33, float addrspace(1)* @var
120  store volatile float %val34, float addrspace(1)* @var
121  store volatile float %val35, float addrspace(1)* @var
122  store volatile float %val36, float addrspace(1)* @var
123  store volatile float %val37, float addrspace(1)* @var
124  store volatile float %val38, float addrspace(1)* @var
125  store volatile float %val39, float addrspace(1)* @var
126  store volatile float %val40, float addrspace(1)* @var
127
128  ret void
129}
130attributes #3 = {"amdgpu-flat-work-group-size"="1024,1024"}
131
132; HSAMD: NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)
133; HSAMD: Version: [ 1, 0 ]
134; HSAMD: Kernels:
135; HSAMD: - Name:                 min_64_max_64
136; HSAMD:   MaxFlatWorkGroupSize: 64
137; HSAMD: - Name:                 min_64_max_128
138; HSAMD:   MaxFlatWorkGroupSize: 128
139; HSAMD: - Name:                 min_128_max_128
140; HSAMD:   MaxFlatWorkGroupSize: 128
141; HSAMD: - Name:                 min_1024_max_1024
142; HSAMD:   MaxFlatWorkGroupSize: 1024
143