1 ; RUN: llc -mtriple=amdgcn < %s | FileCheck -check-prefix=GCN %s
3 ; GCN-LABEL: {{^}}test_membound:
5 ; GCN: WaveLimiterHint : 1
6 define amdgpu_kernel void @test_membound(ptr addrspace(1) nocapture readonly %arg, ptr addrspace(1) nocapture %arg1) {
8 %tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
9 %tmp2 = zext i32 %tmp to i64
10 %tmp3 = getelementptr inbounds <4 x i32>, ptr addrspace(1) %arg, i64 %tmp2
11 %tmp4 = load <4 x i32>, ptr addrspace(1) %tmp3, align 16
12 %tmp5 = getelementptr inbounds <4 x i32>, ptr addrspace(1) %arg1, i64 %tmp2
13 store <4 x i32> %tmp4, ptr addrspace(1) %tmp5, align 16
14 %tmp6 = add nuw nsw i64 %tmp2, 1
15 %tmp7 = getelementptr inbounds <4 x i32>, ptr addrspace(1) %arg, i64 %tmp6
16 %tmp8 = load <4 x i32>, ptr addrspace(1) %tmp7, align 16
17 %tmp9 = getelementptr inbounds <4 x i32>, ptr addrspace(1) %arg1, i64 %tmp6
18 store <4 x i32> %tmp8, ptr addrspace(1) %tmp9, align 16
22 ; GCN-LABEL: {{^}}test_membound_1:
24 define amdgpu_kernel void @test_membound_1(ptr addrspace(1) nocapture readonly %ptr.0,
25 ptr addrspace(1) nocapture %ptr.1,
26 <2 x double> %arg.0, i32 %arg.1, <4 x double> %arg.2) {
28 %id.32 = tail call i32 @llvm.amdgcn.workitem.id.x()
29 %id.0 = zext i32 %id.32 to i64
30 %gep.0 = getelementptr inbounds <2 x double>, ptr addrspace(1) %ptr.0, i64 %id.0
31 %ld.0 = load <2 x double>, ptr addrspace(1) %gep.0, align 16
32 %add.0 = fadd <2 x double> %arg.0, %ld.0
34 %id.1 = add nuw nsw i64 %id.0, 1
35 %gep.1 = getelementptr inbounds <2 x double>, ptr addrspace(1) %ptr.0, i64 %id.1
36 %ld.1 = load <2 x double>, ptr addrspace(1) %gep.1, align 16
37 %add.1 = fadd <2 x double> %add.0, %ld.1
39 %id.2 = add nuw nsw i64 %id.0, 2
40 %gep.2 = getelementptr inbounds <2 x double>, ptr addrspace(1) %ptr.0, i64 %id.2
41 %ld.2 = load <2 x double>, ptr addrspace(1) %gep.2, align 16
42 %add.2 = fadd <2 x double> %add.1, %ld.2
44 %id.3 = add nuw nsw i64 %id.0, 3
45 %gep.3= getelementptr inbounds <2 x double>, ptr addrspace(1) %ptr.0, i64 %id.3
46 %ld.3 = load <2 x double>, ptr addrspace(1) %gep.3, align 16
47 %add.3 = fadd <2 x double> %add.2, %ld.3
49 %id.4 = add nuw nsw i64 %id.0, 4
50 %gep.4= getelementptr inbounds <2 x double>, ptr addrspace(1) %ptr.0, i64 %id.4
51 %ld.4 = load <2 x double>, ptr addrspace(1) %gep.4, align 16
52 %add.4 = fadd <2 x double> %add.3, %ld.4
54 store <2 x double> %add.4, ptr addrspace(1) %ptr.1, align 16
55 %cond = icmp eq i32 %arg.1, 0
56 br i1 %cond, label %bb.true, label %bb.ret
59 %i0.arg.0 = extractelement <2 x double> %arg.0, i32 0
60 %i1.arg.0 = extractelement <2 x double> %arg.0, i32 1
61 %add.1.0 = fadd double %i0.arg.0, %i1.arg.0
62 %i0.arg.2 = extractelement <4 x double> %arg.2, i32 0
63 %i1.arg.2 = extractelement <4 x double> %arg.2, i32 1
64 %add.1.1 = fadd double %i0.arg.2, %i1.arg.2
65 %add.1.2 = fadd double %add.1.0, %add.1.1
66 %i2.arg.2 = extractelement <4 x double> %arg.2, i32 2
67 %i3.arg.2 = extractelement <4 x double> %arg.2, i32 3
68 %add.1.3 = fadd double %i2.arg.2, %i3.arg.2
69 %add.1.4 = fadd double %add.1.2, %add.1.3
70 %i0.add.0 = extractelement <2 x double> %add.0, i32 0
71 %i1.add.0 = extractelement <2 x double> %add.0, i32 1
72 %add.1.5 = fadd double %i0.add.0, %i1.add.0
73 %add.1.6 = fadd double %add.1.4, %add.1.5
74 %i0.add.1 = extractelement <2 x double> %add.1, i32 0
75 %i1.add.1 = extractelement <2 x double> %add.1, i32 1
76 %add.1.7 = fadd double %i0.add.1, %i1.add.1
77 %add.1.8 = fadd double %add.1.6, %add.1.7
78 %i0.add.2 = extractelement <2 x double> %add.2, i32 0
79 %i1.add.2 = extractelement <2 x double> %add.2, i32 1
80 %add.1.9 = fadd double %i0.add.2, %i1.add.2
81 %add.1.10 = fadd double %add.1.8, %add.1.9
83 store double %add.1.8, ptr addrspace(1) %ptr.1, align 8
90 ; GCN-LABEL: {{^}}test_large_stride:
92 ; GCN: WaveLimiterHint : 1
93 define amdgpu_kernel void @test_large_stride(ptr addrspace(1) nocapture %arg) {
95 %tmp = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 4096
96 %tmp1 = load i32, ptr addrspace(1) %tmp, align 4
97 %mul1 = mul i32 %tmp1, %tmp1
98 %tmp2 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 1
99 store i32 %mul1, ptr addrspace(1) %tmp2, align 4
100 %tmp3 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 8192
101 %tmp4 = load i32, ptr addrspace(1) %tmp3, align 4
102 %mul4 = mul i32 %tmp4, %tmp4
103 %tmp5 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 2
104 store i32 %mul4, ptr addrspace(1) %tmp5, align 4
105 %tmp6 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 12288
106 %tmp7 = load i32, ptr addrspace(1) %tmp6, align 4
107 %mul7 = mul i32 %tmp7, %tmp7
108 %tmp8 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 3
109 store i32 %mul7, ptr addrspace(1) %tmp8, align 4
113 ; GCN-LABEL: {{^}}test_indirect:
114 ; GCN: MemoryBound: 1
115 ; GCN: WaveLimiterHint : 1
116 define amdgpu_kernel void @test_indirect(ptr addrspace(1) nocapture %arg) {
118 %tmp = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 1
119 %tmp1 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 2
120 %tmp2 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 3
121 %tmp4 = load <4 x i32>, ptr addrspace(1) %arg, align 4
122 %tmp5 = extractelement <4 x i32> %tmp4, i32 0
123 %tmp6 = sext i32 %tmp5 to i64
124 %tmp7 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 %tmp6
125 %tmp8 = load i32, ptr addrspace(1) %tmp7, align 4
126 store i32 %tmp8, ptr addrspace(1) %arg, align 4
127 %tmp9 = extractelement <4 x i32> %tmp4, i32 1
128 %tmp10 = sext i32 %tmp9 to i64
129 %tmp11 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 %tmp10
130 %tmp12 = load i32, ptr addrspace(1) %tmp11, align 4
131 store i32 %tmp12, ptr addrspace(1) %tmp, align 4
132 %tmp13 = extractelement <4 x i32> %tmp4, i32 2
133 %tmp14 = sext i32 %tmp13 to i64
134 %tmp15 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 %tmp14
135 %tmp16 = load i32, ptr addrspace(1) %tmp15, align 4
136 store i32 %tmp16, ptr addrspace(1) %tmp1, align 4
137 %tmp17 = extractelement <4 x i32> %tmp4, i32 3
138 %tmp18 = sext i32 %tmp17 to i64
139 %tmp19 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 %tmp18
140 %tmp20 = load i32, ptr addrspace(1) %tmp19, align 4
141 store i32 %tmp20, ptr addrspace(1) %tmp2, align 4
145 ; GCN-LABEL: {{^}}test_indirect_through_phi:
146 ; GCN: MemoryBound: 0
147 ; GCN: WaveLimiterHint : 0
148 define amdgpu_kernel void @test_indirect_through_phi(ptr addrspace(1) %arg) {
150 %load = load float, ptr addrspace(1) %arg, align 8
151 %load.f = bitcast float %load to i32
152 %n = tail call i32 @llvm.amdgcn.workitem.id.x()
155 bb1: ; preds = %bb1, %bb
156 %phi = phi i32 [ %load.f, %bb ], [ %and2, %bb1 ]
157 %ind = phi i32 [ 0, %bb ], [ %inc2, %bb1 ]
158 %and1 = and i32 %phi, %n
159 %gep = getelementptr inbounds float, ptr addrspace(1) %arg, i32 %and1
160 store float %load, ptr addrspace(1) %gep, align 4
161 %inc1 = add nsw i32 %phi, 1310720
162 %and2 = and i32 %inc1, %n
163 %inc2 = add nuw nsw i32 %ind, 1
164 %cmp = icmp eq i32 %inc2, 1024
165 br i1 %cmp, label %bb2, label %bb1
171 declare i32 @llvm.amdgcn.workitem.id.x()