1 ; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -show-mc-encoding -verify-machineinstrs < %s | FileCheck %s
3 ;;;==========================================================================;;;
5 ;;;==========================================================================;;;
7 ; MUBUF load with an immediate byte offset that fits into 12-bits
8 ; CHECK-LABEL: {{^}}mubuf_load0:
9 ; CHECK: buffer_load_dword v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], 0 offset:4 ; encoding: [0x04,0x00,0x30,0xe0
10 define amdgpu_kernel void @mubuf_load0(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
12 %0 = getelementptr i32, i32 addrspace(1)* %in, i64 1
13 %1 = load i32, i32 addrspace(1)* %0
14 store i32 %1, i32 addrspace(1)* %out
18 ; MUBUF load with the largest possible immediate offset
19 ; CHECK-LABEL: {{^}}mubuf_load1:
20 ; CHECK: buffer_load_ubyte v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x20,0xe0
21 define amdgpu_kernel void @mubuf_load1(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
23 %0 = getelementptr i8, i8 addrspace(1)* %in, i64 4095
24 %1 = load i8, i8 addrspace(1)* %0
25 store i8 %1, i8 addrspace(1)* %out
29 ; MUBUF load with an immediate byte offset that doesn't fit into 12-bits
30 ; CHECK-LABEL: {{^}}mubuf_load2:
31 ; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x1000
32 ; CHECK: buffer_load_dword v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x30,0xe0
33 define amdgpu_kernel void @mubuf_load2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
35 %0 = getelementptr i32, i32 addrspace(1)* %in, i64 1024
36 %1 = load i32, i32 addrspace(1)* %0
37 store i32 %1, i32 addrspace(1)* %out
41 ; MUBUF load with a 12-bit immediate offset and a register offset
42 ; CHECK-LABEL: {{^}}mubuf_load3:
44 ; CHECK: buffer_load_dword v{{[0-9]}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64 offset:4 ; encoding: [0x04,0x80,0x30,0xe0
45 define amdgpu_kernel void @mubuf_load3(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i64 %offset) {
47 %0 = getelementptr i32, i32 addrspace(1)* %in, i64 %offset
48 %1 = getelementptr i32, i32 addrspace(1)* %0, i64 1
49 %2 = load i32, i32 addrspace(1)* %1
50 store i32 %2, i32 addrspace(1)* %out
54 ; CHECK-LABEL: {{^}}soffset_max_imm:
55 ; CHECK: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], 64 offen glc
56 define amdgpu_gs void @soffset_max_imm([6 x <4 x i32>] addrspace(4)* inreg, [17 x <4 x i32>] addrspace(4)* inreg, [16 x <4 x i32>] addrspace(4)* inreg, [32 x <8 x i32>] addrspace(4)* inreg, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) {
58 %tmp0 = getelementptr [6 x <4 x i32>], [6 x <4 x i32>] addrspace(4)* %0, i32 0, i32 0
59 %tmp1 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp0
61 %tmp3 = call i32 @llvm.amdgcn.raw.buffer.load.i32(<4 x i32> %tmp1, i32 %tmp2, i32 64, i32 1)
62 %tmp4 = add i32 %6, 16
63 %tmp1.4xi32 = bitcast <4 x i32> %tmp1 to <4 x i32>
64 call void @llvm.amdgcn.raw.tbuffer.store.i32(i32 %tmp3, <4 x i32> %tmp1.4xi32, i32 %tmp4, i32 %4, i32 68, i32 3)
68 ; Make sure immediates that aren't inline constants don't get folded into
69 ; the soffset operand.
70 ; FIXME: for this test we should be smart enough to shift the immediate into
72 ; CHECK-LABEL: {{^}}soffset_no_fold:
73 ; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x41
74 ; CHECK: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], [[SOFFSET]] offen glc
75 define amdgpu_gs void @soffset_no_fold([6 x <4 x i32>] addrspace(4)* inreg, [17 x <4 x i32>] addrspace(4)* inreg, [16 x <4 x i32>] addrspace(4)* inreg, [32 x <8 x i32>] addrspace(4)* inreg, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) {
77 %tmp0 = getelementptr [6 x <4 x i32>], [6 x <4 x i32>] addrspace(4)* %0, i32 0, i32 0
78 %tmp1 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp0
80 %tmp3 = call i32 @llvm.amdgcn.raw.buffer.load.i32(<4 x i32> %tmp1, i32 %tmp2, i32 65, i32 1)
81 %tmp4 = add i32 %6, 16
82 %tmp1.4xi32 = bitcast <4 x i32> %tmp1 to <4 x i32>
83 call void @llvm.amdgcn.raw.tbuffer.store.i32(i32 %tmp3, <4 x i32> %tmp1.4xi32, i32 %tmp4, i32 %4, i32 68, i32 3)
87 ;;;==========================================================================;;;
89 ;;;==========================================================================;;;
91 ; MUBUF store with an immediate byte offset that fits into 12-bits
92 ; CHECK-LABEL: {{^}}mubuf_store0:
93 ; CHECK: buffer_store_dword v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], 0 offset:4 ; encoding: [0x04,0x00,0x70,0xe0
94 define amdgpu_kernel void @mubuf_store0(i32 addrspace(1)* %out) {
96 %0 = getelementptr i32, i32 addrspace(1)* %out, i64 1
97 store i32 0, i32 addrspace(1)* %0
101 ; MUBUF store with the largest possible immediate offset
102 ; CHECK-LABEL: {{^}}mubuf_store1:
103 ; CHECK: buffer_store_byte v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x60,0xe0
105 define amdgpu_kernel void @mubuf_store1(i8 addrspace(1)* %out) {
107 %0 = getelementptr i8, i8 addrspace(1)* %out, i64 4095
108 store i8 0, i8 addrspace(1)* %0
112 ; MUBUF store with an immediate byte offset that doesn't fit into 12-bits
113 ; CHECK-LABEL: {{^}}mubuf_store2:
114 ; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x1000
115 ; CHECK: buffer_store_dword v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x70,0xe0
116 define amdgpu_kernel void @mubuf_store2(i32 addrspace(1)* %out) {
118 %0 = getelementptr i32, i32 addrspace(1)* %out, i64 1024
119 store i32 0, i32 addrspace(1)* %0
123 ; MUBUF store with a 12-bit immediate offset and a register offset
124 ; CHECK-LABEL: {{^}}mubuf_store3:
126 ; CHECK: buffer_store_dword v{{[0-9]}}, v[{{[0-9]:[0-9]}}], s[{{[0-9]:[0-9]}}], 0 addr64 offset:4 ; encoding: [0x04,0x80,0x70,0xe0
127 define amdgpu_kernel void @mubuf_store3(i32 addrspace(1)* %out, i64 %offset) {
129 %0 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset
130 %1 = getelementptr i32, i32 addrspace(1)* %0, i64 1
131 store i32 0, i32 addrspace(1)* %1
135 ; CHECK-LABEL: {{^}}store_sgpr_ptr:
136 ; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, 0
137 define amdgpu_kernel void @store_sgpr_ptr(i32 addrspace(1)* %out) {
138 store i32 99, i32 addrspace(1)* %out, align 4
142 ; CHECK-LABEL: {{^}}store_sgpr_ptr_offset:
143 ; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:40
144 define amdgpu_kernel void @store_sgpr_ptr_offset(i32 addrspace(1)* %out) {
145 %out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 10
146 store i32 99, i32 addrspace(1)* %out.gep, align 4
150 ; CHECK-LABEL: {{^}}store_sgpr_ptr_large_offset:
151 ; CHECK: s_mov_b32 [[SOFFSET:s[0-9]+]], 0x20000
152 ; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]]
153 define amdgpu_kernel void @store_sgpr_ptr_large_offset(i32 addrspace(1)* %out) {
154 %out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 32768
155 store i32 99, i32 addrspace(1)* %out.gep, align 4
159 ; CHECK-LABEL: {{^}}store_sgpr_ptr_large_offset_atomic:
160 ; CHECK: s_mov_b32 [[SOFFSET:s[0-9]+]], 0x20000
161 ; CHECK: buffer_atomic_add v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]]
162 define amdgpu_kernel void @store_sgpr_ptr_large_offset_atomic(i32 addrspace(1)* %out) {
163 %gep = getelementptr i32, i32 addrspace(1)* %out, i32 32768
164 %val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 5 seq_cst
168 ; CHECK-LABEL: {{^}}store_vgpr_ptr:
169 ; CHECK: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64
170 define amdgpu_kernel void @store_vgpr_ptr(i32 addrspace(1)* %out) {
171 %tid = call i32 @llvm.amdgcn.workitem.id.x() readnone
172 %out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
173 store i32 99, i32 addrspace(1)* %out.gep, align 4
178 declare i32 @llvm.amdgcn.workitem.id.x() #1
179 declare void @llvm.amdgcn.raw.tbuffer.store.i32(i32, <4 x i32>, i32, i32, i32 immarg, i32 immarg) #2
180 declare i32 @llvm.amdgcn.raw.buffer.load.i32(<4 x i32>, i32, i32, i32 immarg) #3
182 attributes #0 = { nounwind readonly }
183 attributes #1 = { nounwind readnone speculatable willreturn }
184 attributes #2 = { nounwind willreturn writeonly }
185 attributes #3 = { nounwind readonly willreturn }
186 attributes #4 = { readnone }