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