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1; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,HSA %s
2; RUN: llc -mtriple=amdgcn-mesa-mesa3d -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MESA %s
3
4; GCN-LABEL: {{^}}kernel_implicitarg_ptr_empty:
5; GCN: enable_sgpr_kernarg_segment_ptr = 1
6
7; HSA: kernarg_segment_byte_size = 0
8; MESA: kernarg_segment_byte_size = 16
9
10; HSA: s_load_dword s0, s[4:5], 0x0
11define amdgpu_kernel void @kernel_implicitarg_ptr_empty() #0 {
12  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
13  %cast = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
14  %load = load volatile i32, i32 addrspace(4)* %cast
15  ret void
16}
17
18; GCN-LABEL: {{^}}opencl_kernel_implicitarg_ptr_empty:
19; GCN: enable_sgpr_kernarg_segment_ptr = 1
20
21; HSA: kernarg_segment_byte_size = 48
22; MESA: kernarg_segment_byte_size = 16
23
24; HSA: s_load_dword s0, s[4:5], 0x0
25define amdgpu_kernel void @opencl_kernel_implicitarg_ptr_empty() #1 {
26  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
27  %cast = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
28  %load = load volatile i32, i32 addrspace(4)* %cast
29  ret void
30}
31
32; GCN-LABEL: {{^}}kernel_implicitarg_ptr:
33; GCN: enable_sgpr_kernarg_segment_ptr = 1
34
35; HSA: kernarg_segment_byte_size = 112
36; MESA: kernarg_segment_byte_size = 128
37
38; HSA: s_load_dword s0, s[4:5], 0x1c
39define amdgpu_kernel void @kernel_implicitarg_ptr([112 x i8]) #0 {
40  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
41  %cast = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
42  %load = load volatile i32, i32 addrspace(4)* %cast
43  ret void
44}
45
46; GCN-LABEL: {{^}}opencl_kernel_implicitarg_ptr:
47; GCN: enable_sgpr_kernarg_segment_ptr = 1
48
49; HSA: kernarg_segment_byte_size = 160
50; MESA: kernarg_segment_byte_size = 128
51
52; HSA: s_load_dword s0, s[4:5], 0x1c
53define amdgpu_kernel void @opencl_kernel_implicitarg_ptr([112 x i8]) #1 {
54  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
55  %cast = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
56  %load = load volatile i32, i32 addrspace(4)* %cast
57  ret void
58}
59
60; GCN-LABEL: {{^}}func_implicitarg_ptr:
61; GCN: s_waitcnt
62; MESA: s_mov_b64 s[8:9], s[6:7]
63; MESA: s_mov_b32 s11, 0xf000
64; MESA: s_mov_b32 s10, -1
65; MESA: buffer_load_dword v0, off, s[8:11], 0
66; HSA: v_mov_b32_e32 v0, s6
67; HSA: v_mov_b32_e32 v1, s7
68; HSA: flat_load_dword v0, v[0:1]
69; GCN-NEXT: s_waitcnt
70; GCN-NEXT: s_setpc_b64
71define void @func_implicitarg_ptr() #0 {
72  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
73  %cast = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
74  %load = load volatile i32, i32 addrspace(4)* %cast
75  ret void
76}
77
78; GCN-LABEL: {{^}}opencl_func_implicitarg_ptr:
79; GCN: s_waitcnt
80; MESA: s_mov_b64 s[8:9], s[6:7]
81; MESA: s_mov_b32 s11, 0xf000
82; MESA: s_mov_b32 s10, -1
83; MESA: buffer_load_dword v0, off, s[8:11], 0
84; HSA: v_mov_b32_e32 v0, s6
85; HSA: v_mov_b32_e32 v1, s7
86; HSA: flat_load_dword v0, v[0:1]
87; GCN-NEXT: s_waitcnt
88; GCN-NEXT: s_setpc_b64
89define void @opencl_func_implicitarg_ptr() #0 {
90  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
91  %cast = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
92  %load = load volatile i32, i32 addrspace(4)* %cast
93  ret void
94}
95
96; GCN-LABEL: {{^}}kernel_call_implicitarg_ptr_func_empty:
97; GCN: enable_sgpr_kernarg_segment_ptr = 1
98; HSA: kernarg_segment_byte_size = 0
99; MESA: kernarg_segment_byte_size = 16
100; GCN: s_mov_b64 s[6:7], s[4:5]
101; GCN: s_swappc_b64
102define amdgpu_kernel void @kernel_call_implicitarg_ptr_func_empty() #0 {
103  call void @func_implicitarg_ptr()
104  ret void
105}
106
107; GCN-LABEL: {{^}}opencl_kernel_call_implicitarg_ptr_func_empty:
108; GCN: enable_sgpr_kernarg_segment_ptr = 1
109; HSA: kernarg_segment_byte_size = 48
110; MESA: kernarg_segment_byte_size = 16
111; GCN: s_mov_b64 s[6:7], s[4:5]
112; GCN: s_swappc_b64
113define amdgpu_kernel void @opencl_kernel_call_implicitarg_ptr_func_empty() #1 {
114  call void @func_implicitarg_ptr()
115  ret void
116}
117
118; GCN-LABEL: {{^}}kernel_call_implicitarg_ptr_func:
119; GCN: enable_sgpr_kernarg_segment_ptr = 1
120; HSA: kernarg_segment_byte_size = 112
121; MESA: kernarg_segment_byte_size = 128
122
123; HSA: s_add_u32 s6, s4, 0x70
124; MESA: s_add_u32 s6, s4, 0x70
125
126; GCN: s_addc_u32 s7, s5, 0{{$}}
127; GCN: s_swappc_b64
128define amdgpu_kernel void @kernel_call_implicitarg_ptr_func([112 x i8]) #0 {
129  call void @func_implicitarg_ptr()
130  ret void
131}
132
133; GCN-LABEL: {{^}}opencl_kernel_call_implicitarg_ptr_func:
134; GCN: enable_sgpr_kernarg_segment_ptr = 1
135; HSA: kernarg_segment_byte_size = 160
136; MESA: kernarg_segment_byte_size = 128
137
138; GCN: s_add_u32 s6, s4, 0x70
139
140; GCN: s_addc_u32 s7, s5, 0{{$}}
141; GCN: s_swappc_b64
142define amdgpu_kernel void @opencl_kernel_call_implicitarg_ptr_func([112 x i8]) #1 {
143  call void @func_implicitarg_ptr()
144  ret void
145}
146
147; GCN-LABEL: {{^}}func_call_implicitarg_ptr_func:
148; GCN-NOT: s6
149; GCN-NOT: s7
150; GCN-NOT: s[6:7]
151define void @func_call_implicitarg_ptr_func() #0 {
152  call void @func_implicitarg_ptr()
153  ret void
154}
155
156; GCN-LABEL: {{^}}opencl_func_call_implicitarg_ptr_func:
157; GCN-NOT: s6
158; GCN-NOT: s7
159; GCN-NOT: s[6:7]
160define void @opencl_func_call_implicitarg_ptr_func() #0 {
161  call void @func_implicitarg_ptr()
162  ret void
163}
164
165; GCN-LABEL: {{^}}func_kernarg_implicitarg_ptr:
166; GCN: s_waitcnt
167; MESA: s_mov_b64 s[12:13], s[6:7]
168; MESA: s_mov_b32 s15, 0xf000
169; MESA: s_mov_b32 s14, -1
170; MESA: buffer_load_dword v0, off, s[12:15], 0
171; HSA: v_mov_b32_e32 v0, s6
172; HSA: v_mov_b32_e32 v1, s7
173; HSA: flat_load_dword v0, v[0:1]
174; MESA: s_mov_b32 s10, s14
175; MESA: s_mov_b32 s11, s15
176; MESA: buffer_load_dword v0, off, s[8:11], 0
177; HSA: v_mov_b32_e32 v0, s8
178; HSA: v_mov_b32_e32 v1, s9
179; HSA: flat_load_dword v0, v[0:1]
180
181; GCN: s_waitcnt vmcnt(0)
182define void @func_kernarg_implicitarg_ptr() #0 {
183  %kernarg.segment.ptr = call i8 addrspace(4)* @llvm.amdgcn.kernarg.segment.ptr()
184  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
185  %cast.kernarg.segment.ptr = bitcast i8 addrspace(4)* %kernarg.segment.ptr to i32 addrspace(4)*
186  %cast.implicitarg = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
187  %load0 = load volatile i32, i32 addrspace(4)* %cast.kernarg.segment.ptr
188  %load1 = load volatile i32, i32 addrspace(4)* %cast.implicitarg
189  ret void
190}
191
192; GCN-LABEL: {{^}}opencl_func_kernarg_implicitarg_ptr:
193; GCN: s_waitcnt
194; MESA: s_mov_b64 s[12:13], s[6:7]
195; MESA: s_mov_b32 s15, 0xf000
196; MESA: s_mov_b32 s14, -1
197; MESA: buffer_load_dword v0, off, s[12:15], 0
198; HSA: v_mov_b32_e32 v0, s6
199; HSA: v_mov_b32_e32 v1, s7
200; HSA: flat_load_dword v0, v[0:1]
201; MESA: s_mov_b32 s10, s14
202; MESA: s_mov_b32 s11, s15
203; MESA: buffer_load_dword v0, off, s[8:11], 0
204; HSA: v_mov_b32_e32 v0, s8
205; HSA: v_mov_b32_e32 v1, s9
206; HSA: flat_load_dword v0, v[0:1]
207
208; GCN: s_waitcnt vmcnt(0)
209define void @opencl_func_kernarg_implicitarg_ptr() #0 {
210  %kernarg.segment.ptr = call i8 addrspace(4)* @llvm.amdgcn.kernarg.segment.ptr()
211  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
212  %cast.kernarg.segment.ptr = bitcast i8 addrspace(4)* %kernarg.segment.ptr to i32 addrspace(4)*
213  %cast.implicitarg = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
214  %load0 = load volatile i32, i32 addrspace(4)* %cast.kernarg.segment.ptr
215  %load1 = load volatile i32, i32 addrspace(4)* %cast.implicitarg
216  ret void
217}
218
219; GCN-LABEL: {{^}}kernel_call_kernarg_implicitarg_ptr_func:
220; GCN: s_mov_b64 s[6:7], s[4:5]
221; GCN: s_add_u32 s8, s6, 0x70
222; GCN: s_addc_u32 s9, s7, 0
223; GCN: s_swappc_b64
224define amdgpu_kernel void @kernel_call_kernarg_implicitarg_ptr_func([112 x i8]) #0 {
225  call void @func_kernarg_implicitarg_ptr()
226  ret void
227}
228
229; GCN-LABEL: {{^}}kernel_implicitarg_no_struct_align_padding:
230; HSA: kernarg_segment_byte_size = 120
231; MESA: kernarg_segment_byte_size = 84
232; GCN: kernarg_segment_alignment = 6
233define amdgpu_kernel void @kernel_implicitarg_no_struct_align_padding(<16 x i32>, i32) #1 {
234  %implicitarg.ptr = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
235  %cast = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
236  %load = load volatile i32, i32 addrspace(4)* %cast
237  ret void
238}
239
240declare i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr() #2
241declare i8 addrspace(4)* @llvm.amdgcn.kernarg.segment.ptr() #2
242
243attributes #0 = { nounwind noinline }
244attributes #1 = { nounwind noinline "amdgpu-implicitarg-num-bytes"="48" }
245attributes #2 = { nounwind readnone speculatable }
246