1; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefixes=CO-V2,HSA,ALL %s
2; RUN: llc -mtriple=amdgcn-mesa-mesa3d -verify-machineinstrs < %s | FileCheck -check-prefixes=CO-V2,OS-MESA3D,MESA,ALL %s
3; RUN: llc -mtriple=amdgcn-mesa-unknown -verify-machineinstrs < %s | FileCheck -check-prefixes=OS-UNKNOWN,MESA,ALL %s
4
5; ALL-LABEL: {{^}}test:
6; CO-V2: enable_sgpr_kernarg_segment_ptr = 1
7; HSA: kernarg_segment_byte_size = 8
8; HSA: kernarg_segment_alignment = 4
9
10; CO-V2: s_load_dword s{{[0-9]+}}, s[4:5], 0xa
11
12; OS-UNKNOWN: s_load_dword s{{[0-9]+}}, s[0:1], 0xa
13define amdgpu_kernel void @test(i32 addrspace(1)* %out) #1 {
14  %kernarg.segment.ptr = call noalias i8 addrspace(4)* @llvm.amdgcn.kernarg.segment.ptr()
15  %header.ptr = bitcast i8 addrspace(4)* %kernarg.segment.ptr to i32 addrspace(4)*
16  %gep = getelementptr i32, i32 addrspace(4)* %header.ptr, i64 10
17  %value = load i32, i32 addrspace(4)* %gep
18  store i32 %value, i32 addrspace(1)* %out
19  ret void
20}
21
22; ALL-LABEL: {{^}}test_implicit:
23; HSA: kernarg_segment_byte_size = 8
24; OS-MESA3D: kernarg_segment_byte_size = 24
25; CO-V2: kernarg_segment_alignment = 4
26
27; 10 + 9 (36 prepended implicit bytes) + 2(out pointer) = 21 = 0x15
28; OS-UNKNOWN: s_load_dword s{{[0-9]+}}, s[0:1], 0x15
29define amdgpu_kernel void @test_implicit(i32 addrspace(1)* %out) #1 {
30  %implicitarg.ptr = call noalias i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
31  %header.ptr = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
32  %gep = getelementptr i32, i32 addrspace(4)* %header.ptr, i64 10
33  %value = load i32, i32 addrspace(4)* %gep
34  store i32 %value, i32 addrspace(1)* %out
35  ret void
36}
37
38; ALL-LABEL: {{^}}test_implicit_alignment:
39; HSA: kernarg_segment_byte_size = 12
40; OS-MESA3D: kernarg_segment_byte_size = 28
41; CO-V2: kernarg_segment_alignment = 4
42
43
44; OS-UNKNOWN: s_load_dword [[VAL:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xc
45; HSA: s_load_dword [[VAL:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x4
46; OS-MESA3D: s_load_dword [[VAL:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x3
47; ALL: v_mov_b32_e32 [[V_VAL:v[0-9]+]], [[VAL]]
48; MESA: buffer_store_dword [[V_VAL]]
49; HSA: flat_store_dword v[{{[0-9]+:[0-9]+}}], [[V_VAL]]
50define amdgpu_kernel void @test_implicit_alignment(i32 addrspace(1)* %out, <2 x i8> %in) #1 {
51  %implicitarg.ptr = call noalias i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
52  %arg.ptr = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
53  %val = load i32, i32 addrspace(4)* %arg.ptr
54  store i32 %val, i32 addrspace(1)* %out
55  ret void
56}
57
58; ALL-LABEL: {{^}}opencl_test_implicit_alignment
59; HSA: kernarg_segment_byte_size = 64
60; OS-MESA3D: kernarg_segment_byte_size = 28
61; CO-V2: kernarg_segment_alignment = 4
62
63
64; OS-UNKNOWN: s_load_dword [[VAL:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xc
65; HSA: s_load_dword [[VAL:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x4
66; OS-MESA3D: s_load_dword [[VAL:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x3
67; ALL: v_mov_b32_e32 [[V_VAL:v[0-9]+]], [[VAL]]
68; MESA: buffer_store_dword [[V_VAL]]
69; HSA: flat_store_dword v[{{[0-9]+:[0-9]+}}], [[V_VAL]]
70define amdgpu_kernel void @opencl_test_implicit_alignment(i32 addrspace(1)* %out, <2 x i8> %in) #2 {
71  %implicitarg.ptr = call noalias i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
72  %arg.ptr = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
73  %val = load i32, i32 addrspace(4)* %arg.ptr
74  store i32 %val, i32 addrspace(1)* %out
75  ret void
76}
77
78; ALL-LABEL: {{^}}test_no_kernargs:
79; CO-V2: enable_sgpr_kernarg_segment_ptr = 1
80; HSA: kernarg_segment_byte_size = 0
81; OS-MESA3D: kernarg_segment_byte_size = 16
82; CO-V2: kernarg_segment_alignment = 4
83
84; HSA: s_load_dword s{{[0-9]+}}, s[4:5]
85define amdgpu_kernel void @test_no_kernargs() #1 {
86  %kernarg.segment.ptr = call noalias i8 addrspace(4)* @llvm.amdgcn.kernarg.segment.ptr()
87  %header.ptr = bitcast i8 addrspace(4)* %kernarg.segment.ptr to i32 addrspace(4)*
88  %gep = getelementptr i32, i32 addrspace(4)* %header.ptr, i64 10
89  %value = load i32, i32 addrspace(4)* %gep
90  store volatile i32 %value, i32 addrspace(1)* undef
91  ret void
92}
93
94; GCN-LABEL: {{^}}opencl_test_implicit_alignment_no_explicit_kernargs:
95; HSA: kernarg_segment_byte_size = 48
96; OS-MESA3d: kernarg_segment_byte_size = 16
97; CO-V2: kernarg_segment_alignment = 4
98define amdgpu_kernel void @opencl_test_implicit_alignment_no_explicit_kernargs() #2 {
99  %implicitarg.ptr = call noalias i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
100  %arg.ptr = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
101  %val = load volatile i32, i32 addrspace(4)* %arg.ptr
102  store volatile i32 %val, i32 addrspace(1)* null
103  ret void
104}
105
106; GCN-LABEL: {{^}}opencl_test_implicit_alignment_no_explicit_kernargs_round_up:
107; HSA: kernarg_segment_byte_size = 40
108; OS-MESA3D: kernarg_segment_byte_size = 16
109; CO-V2: kernarg_segment_alignment = 4
110define amdgpu_kernel void @opencl_test_implicit_alignment_no_explicit_kernargs_round_up() #3 {
111  %implicitarg.ptr = call noalias i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
112  %arg.ptr = bitcast i8 addrspace(4)* %implicitarg.ptr to i32 addrspace(4)*
113  %val = load volatile i32, i32 addrspace(4)* %arg.ptr
114  store volatile i32 %val, i32 addrspace(1)* null
115  ret void
116}
117
118declare i8 addrspace(4)* @llvm.amdgcn.kernarg.segment.ptr() #0
119declare i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr() #0
120
121attributes #0 = { nounwind readnone }
122attributes #1 = { nounwind }
123attributes #2 = { nounwind "amdgpu-implicitarg-num-bytes"="48" }
124attributes #3 = { nounwind "amdgpu-implicitarg-num-bytes"="38" }
125