forked from OSchip/llvm-project
76 lines
3.3 KiB
LLVM
76 lines
3.3 KiB
LLVM
; RUN: llc -march=amdgcn -mattr=+promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -march=amdgcn -mattr=-promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; Pointer value is stored in a candidate for LDS usage.
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; GCN-LABEL: {{^}}stored_lds_pointer_value:
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; GCN: buffer_store_dword v
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define amdgpu_kernel void @stored_lds_pointer_value(float addrspace(5)* addrspace(1)* %ptr) #0 {
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%tmp = alloca float, addrspace(5)
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store float 0.0, float addrspace(5)*%tmp
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store float addrspace(5)* %tmp, float addrspace(5)* addrspace(1)* %ptr
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ret void
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}
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; GCN-LABEL: {{^}}stored_lds_pointer_value_offset:
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; GCN: buffer_store_dword v
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define amdgpu_kernel void @stored_lds_pointer_value_offset(float addrspace(5)* addrspace(1)* %ptr) #0 {
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%tmp0 = alloca float, addrspace(5)
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%tmp1 = alloca float, addrspace(5)
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store float 0.0, float addrspace(5)*%tmp0
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store float 0.0, float addrspace(5)*%tmp1
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store volatile float addrspace(5)* %tmp0, float addrspace(5)* addrspace(1)* %ptr
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store volatile float addrspace(5)* %tmp1, float addrspace(5)* addrspace(1)* %ptr
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ret void
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}
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; GCN-LABEL: {{^}}stored_lds_pointer_value_gep:
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; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
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; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
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; GCN: buffer_store_dword v
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; GCN: buffer_store_dword v
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define amdgpu_kernel void @stored_lds_pointer_value_gep(float addrspace(5)* addrspace(1)* %ptr, i32 %idx) #0 {
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bb:
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%tmp = alloca float, i32 16, addrspace(5)
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store float 0.0, float addrspace(5)* %tmp
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%tmp2 = getelementptr inbounds float, float addrspace(5)* %tmp, i32 %idx
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store float addrspace(5)* %tmp2, float addrspace(5)* addrspace(1)* %ptr
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ret void
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}
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; Pointer value is stored in a candidate for vector usage
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; GCN-LABEL: {{^}}stored_vector_pointer_value:
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; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
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; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
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; GCN: buffer_store_dword
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; GCN: buffer_store_dword
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; GCN: buffer_store_dword
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; GCN: buffer_store_dword
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define amdgpu_kernel void @stored_vector_pointer_value(i32 addrspace(5)* addrspace(1)* %out, i32 %index) {
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entry:
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%tmp0 = alloca [4 x i32], addrspace(5)
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%x = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 0
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%y = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 1
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%z = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 2
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%w = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 3
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store i32 0, i32 addrspace(5)* %x
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store i32 1, i32 addrspace(5)* %y
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store i32 2, i32 addrspace(5)* %z
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store i32 3, i32 addrspace(5)* %w
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%tmp1 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(5)* %tmp0, i32 0, i32 %index
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store i32 addrspace(5)* %tmp1, i32 addrspace(5)* addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}stored_fi_to_self:
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; GCN-NOT: ds_
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define amdgpu_kernel void @stored_fi_to_self() #0 {
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%tmp = alloca i32 addrspace(5)*, addrspace(5)
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store volatile i32 addrspace(5)* inttoptr (i32 1234 to i32 addrspace(5)*), i32 addrspace(5)* addrspace(5)* %tmp
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%bitcast = bitcast i32 addrspace(5)* addrspace(5)* %tmp to i32 addrspace(5)*
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store volatile i32 addrspace(5)* %bitcast, i32 addrspace(5)* addrspace(5)* %tmp
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ret void
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}
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attributes #0 = { nounwind }
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