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45 lines
1.8 KiB
LLVM
45 lines
1.8 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck --check-prefixes=GCN,FUNC %s
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; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck --check-prefixes=GCN,FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=FUNC %s
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@local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] undef, align 4
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@lds = addrspace(3) global [512 x i32] undef, align 4
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; On SI we need to make sure that the base offset is a register and
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; not an immediate.
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; FUNC-LABEL: {{^}}load_i32_local_const_ptr:
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; GCN: v_mov_b32_e32 v[[PTR:[0-9]+]], 0{{$}}
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; GCN: ds_read_b32 v{{[0-9]+}}, v[[PTR]] offset:4
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; R600: LDS_READ_RET
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define amdgpu_kernel void @load_i32_local_const_ptr(i32 addrspace(1)* %out, i32 addrspace(3)* %in) #0 {
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entry:
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%tmp0 = getelementptr [512 x i32], [512 x i32] addrspace(3)* @lds, i32 0, i32 1
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%tmp1 = load i32, i32 addrspace(3)* %tmp0
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%tmp2 = getelementptr i32, i32 addrspace(1)* %out, i32 1
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store i32 %tmp1, i32 addrspace(1)* %tmp2
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ret void
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}
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; Test loading a i32 and v2i32 value from the same base pointer.
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; FUNC-LABEL: {{^}}load_i32_v2i32_local:
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; R600: LDS_READ_RET
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; R600: LDS_READ_RET
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; R600: LDS_READ_RET
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; GCN-DAG: ds_read_b32
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; GCN-DAG: ds_read2_b32
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define amdgpu_kernel void @load_i32_v2i32_local(<2 x i32> addrspace(1)* %out, i32 addrspace(3)* %in) #0 {
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%scalar = load i32, i32 addrspace(3)* %in
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%tmp0 = bitcast i32 addrspace(3)* %in to <2 x i32> addrspace(3)*
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%vec_ptr = getelementptr <2 x i32>, <2 x i32> addrspace(3)* %tmp0, i32 2
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%vec0 = load <2 x i32>, <2 x i32> addrspace(3)* %vec_ptr, align 4
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%vec1 = insertelement <2 x i32> <i32 0, i32 0>, i32 %scalar, i32 0
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%vec = add <2 x i32> %vec0, %vec1
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store <2 x i32> %vec, <2 x i32> addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind }
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