1 ;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=SICI
2 ;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=VI
4 ;CHECK-LABEL: {{^}}buffer_load:
5 ;CHECK: buffer_load_dwordx4 v[0:3], {{v[0-9]+}}, s[0:3], 0 idxen
6 ;CHECK: buffer_load_dwordx4 v[4:7], {{v[0-9]+}}, s[0:3], 0 idxen glc
7 ;CHECK: buffer_load_dwordx4 v[8:11], {{v[0-9]+}}, s[0:3], 0 idxen slc
9 define amdgpu_ps {<4 x float>, <4 x float>, <4 x float>} @buffer_load(<4 x i32> inreg) {
11 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 0, i32 0, i32 0)
12 %data_glc = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 0, i32 0, i32 1)
13 %data_slc = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 0, i32 0, i32 2)
14 %r0 = insertvalue {<4 x float>, <4 x float>, <4 x float>} undef, <4 x float> %data, 0
15 %r1 = insertvalue {<4 x float>, <4 x float>, <4 x float>} %r0, <4 x float> %data_glc, 1
16 %r2 = insertvalue {<4 x float>, <4 x float>, <4 x float>} %r1, <4 x float> %data_slc, 2
17 ret {<4 x float>, <4 x float>, <4 x float>} %r2
20 ;CHECK-LABEL: {{^}}buffer_load_immoffs:
21 ;CHECK: buffer_load_dwordx4 v[0:3], {{v[0-9]+}}, s[0:3], 0 idxen offset:40
23 define amdgpu_ps <4 x float> @buffer_load_immoffs(<4 x i32> inreg) {
25 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 40, i32 0, i32 0)
29 ;CHECK-LABEL: {{^}}buffer_load_immoffs_large:
30 ;CHECK: s_movk_i32 [[OFFSET:s[0-9]+]], 0x1ffc
31 ;CHECK: buffer_load_dwordx4 v[0:3], {{v[0-9]+}}, s[0:3], [[OFFSET]] idxen offset:4
33 define amdgpu_ps <4 x float> @buffer_load_immoffs_large(<4 x i32> inreg) {
35 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 4, i32 8188, i32 0)
39 ;CHECK-LABEL: {{^}}buffer_load_idx:
40 ;CHECK: buffer_load_dwordx4 v[0:3], v0, s[0:3], 0 idxen
42 define amdgpu_ps <4 x float> @buffer_load_idx(<4 x i32> inreg, i32) {
44 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 %1, i32 0, i32 0, i32 0)
48 ;CHECK-LABEL: {{^}}buffer_load_ofs:
49 ;CHECK: buffer_load_dwordx4 v[0:3], v[0:1], s[0:3], 0 idxen offen
51 define amdgpu_ps <4 x float> @buffer_load_ofs(<4 x i32> inreg, i32) {
53 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 %1, i32 0, i32 0)
57 ;CHECK-LABEL: {{^}}buffer_load_ofs_imm:
58 ;CHECK: buffer_load_dwordx4 v[0:3], v[0:1], s[0:3], 0 idxen offen offset:60
60 define amdgpu_ps <4 x float> @buffer_load_ofs_imm(<4 x i32> inreg, i32) {
63 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 %ofs, i32 0, i32 0)
67 ;CHECK-LABEL: {{^}}buffer_load_both:
68 ;CHECK: buffer_load_dwordx4 v[0:3], v[0:1], s[0:3], 0 idxen offen
70 define amdgpu_ps <4 x float> @buffer_load_both(<4 x i32> inreg, i32, i32) {
72 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 %1, i32 %2, i32 0, i32 0)
76 ;CHECK-LABEL: {{^}}buffer_load_both_reversed:
77 ;CHECK: v_mov_b32_e32 v2, v0
78 ;CHECK: buffer_load_dwordx4 v[0:3], v[1:2], s[0:3], 0 idxen offen
80 define amdgpu_ps <4 x float> @buffer_load_both_reversed(<4 x i32> inreg, i32, i32) {
82 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 %2, i32 %1, i32 0, i32 0)
86 ;CHECK-LABEL: {{^}}buffer_load_x1:
87 ;CHECK: buffer_load_dword v0, v[0:1], s[0:3], 0 idxen offen
89 define amdgpu_ps float @buffer_load_x1(<4 x i32> inreg %rsrc, i32 %idx, i32 %ofs) {
91 %data = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %idx, i32 %ofs, i32 0, i32 0)
95 ;CHECK-LABEL: {{^}}buffer_load_x2:
96 ;CHECK: buffer_load_dwordx2 v[0:1], v[0:1], s[0:3], 0 idxen offen
98 define amdgpu_ps <2 x float> @buffer_load_x2(<4 x i32> inreg %rsrc, i32 %idx, i32 %ofs) {
100 %data = call <2 x float> @llvm.amdgcn.struct.buffer.load.v2f32(<4 x i32> %rsrc, i32 %idx, i32 %ofs, i32 0, i32 0)
101 ret <2 x float> %data
104 ;CHECK-LABEL: {{^}}buffer_load_negative_offset:
105 ;CHECK: v_add_{{[iu]}}32_e32 {{v[0-9]+}}, vcc, -16, v0
106 ;CHECK: buffer_load_dwordx4 v[0:3], {{v\[[0-9]+:[0-9]+\]}}, s[0:3], 0 idxen offen
107 define amdgpu_ps <4 x float> @buffer_load_negative_offset(<4 x i32> inreg, i32 %ofs) {
109 %ofs.1 = add i32 %ofs, -16
110 %data = call <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 %ofs.1, i32 0, i32 0)
111 ret <4 x float> %data
114 ; SI won't merge ds memory operations, because of the signed offset bug, so
115 ; we only have check lines for VI.
116 ; CHECK-LABEL: buffer_load_mmo:
117 ; VI: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0
118 ; VI: ds_write2_b32 v{{[0-9]+}}, [[ZERO]], [[ZERO]] offset1:4
119 define amdgpu_ps float @buffer_load_mmo(<4 x i32> inreg %rsrc, float addrspace(3)* %lds) {
121 store float 0.0, float addrspace(3)* %lds
122 %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
123 %tmp2 = getelementptr float, float addrspace(3)* %lds, i32 4
124 store float 0.0, float addrspace(3)* %tmp2
128 ;CHECK-LABEL: {{^}}buffer_load_int:
129 ;CHECK: buffer_load_dwordx4 v[0:3], {{v[0-9]+}}, s[0:3], 0 idxen
130 ;CHECK: buffer_load_dwordx2 v[4:5], {{v[0-9]+}}, s[0:3], 0 idxen glc
131 ;CHECK: buffer_load_dword v6, {{v[0-9]+}}, s[0:3], 0 idxen slc
133 define amdgpu_ps {<4 x float>, <2 x float>, float} @buffer_load_int(<4 x i32> inreg) {
135 %data = call <4 x i32> @llvm.amdgcn.struct.buffer.load.v4i32(<4 x i32> %0, i32 0, i32 0, i32 0, i32 0)
136 %data_glc = call <2 x i32> @llvm.amdgcn.struct.buffer.load.v2i32(<4 x i32> %0, i32 0, i32 0, i32 0, i32 1)
137 %data_slc = call i32 @llvm.amdgcn.struct.buffer.load.i32(<4 x i32> %0, i32 0, i32 0, i32 0, i32 2)
138 %fdata = bitcast <4 x i32> %data to <4 x float>
139 %fdata_glc = bitcast <2 x i32> %data_glc to <2 x float>
140 %fdata_slc = bitcast i32 %data_slc to float
141 %r0 = insertvalue {<4 x float>, <2 x float>, float} undef, <4 x float> %fdata, 0
142 %r1 = insertvalue {<4 x float>, <2 x float>, float} %r0, <2 x float> %fdata_glc, 1
143 %r2 = insertvalue {<4 x float>, <2 x float>, float} %r1, float %fdata_slc, 2
144 ret {<4 x float>, <2 x float>, float} %r2
147 declare float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32>, i32, i32, i32, i32) #0
148 declare <2 x float> @llvm.amdgcn.struct.buffer.load.v2f32(<4 x i32>, i32, i32, i32, i32) #0
149 declare <4 x float> @llvm.amdgcn.struct.buffer.load.v4f32(<4 x i32>, i32, i32, i32, i32) #0
150 declare i32 @llvm.amdgcn.struct.buffer.load.i32(<4 x i32>, i32, i32, i32, i32) #0
151 declare <2 x i32> @llvm.amdgcn.struct.buffer.load.v2i32(<4 x i32>, i32, i32, i32, i32) #0
152 declare <4 x i32> @llvm.amdgcn.struct.buffer.load.v4i32(<4 x i32>, i32, i32, i32, i32) #0
153 declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0
155 attributes #0 = { nounwind readonly }