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llvm-mirror/test/CodeGen/AMDGPU/load-local-f32.ll
Matt Arsenault 14dbe93675 AMDGPU: Improve load/store of illegal types.
There was a combine before to handle the simple copy case.
Split this into handling loads and stores separately.

We might want to change how this handles some of the vector
extloads, since this can result in large code size increases.

llvm-svn: 274394
2016-07-01 22:47:50 +00:00

111 lines
3.0 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}load_f32_local:
; GCN: s_mov_b32 m0
; GCN: ds_read_b32
; EG: LDS_READ_RET
define void @load_f32_local(float addrspace(1)* %out, float addrspace(3)* %in) #0 {
entry:
%tmp0 = load float, float addrspace(3)* %in
store float %tmp0, float addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}load_v2f32_local:
; GCN: s_mov_b32 m0
; GCN: ds_read_b64
; EG: LDS_READ_RET
; EG: LDS_READ_RET
define void @load_v2f32_local(<2 x float> addrspace(1)* %out, <2 x float> addrspace(3)* %in) #0 {
entry:
%tmp0 = load <2 x float>, <2 x float> addrspace(3)* %in
store <2 x float> %tmp0, <2 x float> addrspace(1)* %out
ret void
}
; FIXME: should this do a read2_b64?
; FUNC-LABEL: {{^}}local_load_v3f32:
; GCN-DAG: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:8
; GCN-DAG: ds_read_b64 v{{\[[0-9]+:[0-9]+\]}}, v{{[0-9]+$}}
; GCN: s_waitcnt
; GCN-DAG: ds_write_b64
; GCN-DAG: ds_write_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:8{{$}}
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
define void @local_load_v3f32(<3 x float> addrspace(3)* %out, <3 x float> addrspace(3)* %in) #0 {
entry:
%tmp0 = load <3 x float>, <3 x float> addrspace(3)* %in
store <3 x float> %tmp0, <3 x float> addrspace(3)* %out
ret void
}
; FUNC-LABEL: {{^}}local_load_v4f32:
; GCN: ds_read2_b64
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
define void @local_load_v4f32(<4 x float> addrspace(3)* %out, <4 x float> addrspace(3)* %in) #0 {
entry:
%tmp0 = load <4 x float>, <4 x float> addrspace(3)* %in
store <4 x float> %tmp0, <4 x float> addrspace(3)* %out
ret void
}
; FUNC-LABEL: {{^}}local_load_v8f32:
; GCN: ds_read2_b64
; GCN: ds_read2_b64
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
define void @local_load_v8f32(<8 x float> addrspace(3)* %out, <8 x float> addrspace(3)* %in) #0 {
entry:
%tmp0 = load <8 x float>, <8 x float> addrspace(3)* %in
store <8 x float> %tmp0, <8 x float> addrspace(3)* %out
ret void
}
; FUNC-LABEL: {{^}}local_load_v16f32:
; GCN: ds_read2_b64
; GCN: ds_read2_b64
; GCN: ds_read2_b64
; GCN: ds_read2_b64
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
; EG: LDS_READ_RET
define void @local_load_v16f32(<16 x float> addrspace(3)* %out, <16 x float> addrspace(3)* %in) #0 {
entry:
%tmp0 = load <16 x float>, <16 x float> addrspace(3)* %in
store <16 x float> %tmp0, <16 x float> addrspace(3)* %out
ret void
}
attributes #0 = { nounwind }