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comparison llvm/test/CodeGen/AMDGPU/promote-alloca-stored-pointer-value.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 1f2b6ac9f198
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147:c2174574ed3a 150:1d019706d866
1 ; RUN: llc -march=amdgcn -mattr=+promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2 ; RUN: llc -march=amdgcn -mattr=-promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
3
4 ; Pointer value is stored in a candidate for LDS usage.
5
6 ; GCN-LABEL: {{^}}stored_lds_pointer_value:
7 ; GCN: buffer_store_dword v
8 define amdgpu_kernel void @stored_lds_pointer_value(float addrspace(5)* addrspace(1)* %ptr) #0 {
9 %tmp = alloca float, addrspace(5)
10 store float 0.0, float addrspace(5)*%tmp
11 store float addrspace(5)* %tmp, float addrspace(5)* addrspace(1)* %ptr
12 ret void
13 }
14
15 ; GCN-LABEL: {{^}}stored_lds_pointer_value_offset:
16 ; GCN: buffer_store_dword v
17 define amdgpu_kernel void @stored_lds_pointer_value_offset(float addrspace(5)* addrspace(1)* %ptr) #0 {
18 %tmp0 = alloca float, addrspace(5)
19 %tmp1 = alloca float, addrspace(5)
20 store float 0.0, float addrspace(5)*%tmp0
21 store float 0.0, float addrspace(5)*%tmp1
22 store volatile float addrspace(5)* %tmp0, float addrspace(5)* addrspace(1)* %ptr
23 store volatile float addrspace(5)* %tmp1, float addrspace(5)* addrspace(1)* %ptr
24 ret void
25 }
26
27 ; GCN-LABEL: {{^}}stored_lds_pointer_value_gep:
28 ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
29 ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
30 ; GCN: buffer_store_dword v
31 ; GCN: buffer_store_dword v
32 define amdgpu_kernel void @stored_lds_pointer_value_gep(float addrspace(5)* addrspace(1)* %ptr, i32 %idx) #0 {
33 bb:
34 %tmp = alloca float, i32 16, addrspace(5)
35 store float 0.0, float addrspace(5)* %tmp
36 %tmp2 = getelementptr inbounds float, float addrspace(5)* %tmp, i32 %idx
37 store float addrspace(5)* %tmp2, float addrspace(5)* addrspace(1)* %ptr
38 ret void
39 }
40
41 ; Pointer value is stored in a candidate for vector usage
42 ; GCN-LABEL: {{^}}stored_vector_pointer_value:
43 ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
44 ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
45 ; GCN: buffer_store_dword
46 ; GCN: buffer_store_dword
47 ; GCN: buffer_store_dword
48 ; GCN: buffer_store_dword
49 define amdgpu_kernel void @stored_vector_pointer_value(i32 addrspace(5)* addrspace(1)* %out, i32 %index) {
50 entry:
51 %tmp0 = alloca [4 x i32], addrspace(5)
52 %x = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 0
53 %y = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 1
54 %z = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 2
55 %w = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 3
56 store i32 0, i32 addrspace(5)* %x
57 store i32 1, i32 addrspace(5)* %y
58 store i32 2, i32 addrspace(5)* %z
59 store i32 3, i32 addrspace(5)* %w
60 %tmp1 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 %index
61 store i32 addrspace(5)* %tmp1, i32 addrspace(5)* addrspace(1)* %out
62 ret void
63 }
64
65 ; GCN-LABEL: {{^}}stored_fi_to_self:
66 ; GCN-NOT: ds_
67 define amdgpu_kernel void @stored_fi_to_self() #0 {
68 %tmp = alloca i32 addrspace(5)*, addrspace(5)
69 store volatile i32 addrspace(5)* inttoptr (i32 1234 to i32 addrspace(5)*), i32 addrspace(5)* addrspace(5)* %tmp
70 %bitcast = bitcast i32 addrspace(5)* addrspace(5)* %tmp to i32 addrspace(5)*
71 store volatile i32 addrspace(5)* %bitcast, i32 addrspace(5)* addrspace(5)* %tmp
72 ret void
73 }
74
75 attributes #0 = { nounwind }