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