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llvm-mirror/test/CodeGen/AMDGPU/si-triv-disjoint-mem-access.ll
Ron Lieberman d3e19dcb49 [AMDGPU] Disable SReg Global LD/ST, perf regression 
Differential Revision: https://reviews.llvm.org/D55093

llvm-svn: 348014
2018-11-30 18:29:17 +00:00

328 lines
14 KiB
LLVM
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; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=bonaire -enable-amdgpu-aa=0 -verify-machineinstrs -enable-misched -enable-aa-sched-mi < %s | FileCheck -enable-var-scope -check-prefixes=GCN,CI %s
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=gfx900 -enable-amdgpu-aa=0 -verify-machineinstrs -enable-misched -enable-aa-sched-mi -amdgpu-enable-global-sgpr-addr < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9 %s
declare void @llvm.amdgcn.tbuffer.store.i32(i32, <4 x i32>, i32, i32, i32, i32, i32, i32, i1, i1)
declare void @llvm.amdgcn.tbuffer.store.v4i32(<4 x i32>, <4 x i32>, i32, i32, i32, i32, i32, i32, i1, i1)
declare void @llvm.amdgcn.s.barrier() #1
declare i32 @llvm.amdgcn.workitem.id.x() #2
@stored_lds_ptr = addrspace(3) global i32 addrspace(3)* undef, align 4
@stored_constant_ptr = addrspace(3) global i32 addrspace(4)* undef, align 8
@stored_global_ptr = addrspace(3) global i32 addrspace(1)* undef, align 8
; GCN-LABEL: {{^}}reorder_local_load_global_store_local_load:
; CI: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset0:1 offset1:3
; CI: buffer_store_dword
; GFX9: global_store_dword
; GFX9: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset0:1 offset1:3
; GFX9: global_store_dword
define amdgpu_kernel void @reorder_local_load_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
%ptr0 = load i32 addrspace(3)*, i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
%ptr1 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 3
%tmp1 = load i32, i32 addrspace(3)* %ptr1, align 4
store i32 99, i32 addrspace(1)* %gptr, align 4
%tmp2 = load i32, i32 addrspace(3)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}no_reorder_local_load_volatile_global_store_local_load:
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
; CI: buffer_store_dword
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:12
; GFX9: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
; GFX9: global_store_dword
; GFX9: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:12
define amdgpu_kernel void @no_reorder_local_load_volatile_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
%ptr0 = load i32 addrspace(3)*, i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
%ptr1 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 3
%tmp1 = load i32, i32 addrspace(3)* %ptr1, align 4
store volatile i32 99, i32 addrspace(1)* %gptr, align 4
%tmp2 = load i32, i32 addrspace(3)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}no_reorder_barrier_local_load_global_store_local_load:
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:12
; CI: buffer_store_dword
; GFX9-DAG: global_store_dword
; GFX9-DAG: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
; GFX9: s_barrier
; GFX9-DAG: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:12
; GFX9-DAG: global_store_dword
define amdgpu_kernel void @no_reorder_barrier_local_load_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
%ptr0 = load i32 addrspace(3)*, i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
%ptr1 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 3
%tmp1 = load i32, i32 addrspace(3)* %ptr1, align 4
store i32 99, i32 addrspace(1)* %gptr, align 4
call void @llvm.amdgcn.s.barrier() #1
%tmp2 = load i32, i32 addrspace(3)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}reorder_constant_load_global_store_constant_load:
; GCN-DAG: v_readfirstlane_b32 s[[PTR_LO:[0-9]+]], v{{[0-9]+}}
; GCN: v_readfirstlane_b32 s[[PTR_HI:[0-9]+]], v{{[0-9]+}}
; CI: buffer_store_dword
; CI-DAG: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x1
; CI-DAG: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x3
; GFX9: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x4
; GFX9: global_store_dword
; GFX9: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0xc
; CI: buffer_store_dword
; GFX9: global_store_dword
define amdgpu_kernel void @reorder_constant_load_global_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
%ptr0 = load i32 addrspace(4)*, i32 addrspace(4)* addrspace(3)* @stored_constant_ptr, align 8
%ptr1 = getelementptr inbounds i32, i32 addrspace(4)* %ptr0, i64 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(4)* %ptr0, i64 3
%tmp1 = load i32, i32 addrspace(4)* %ptr1, align 4
store i32 99, i32 addrspace(1)* %gptr, align 4
%tmp2 = load i32, i32 addrspace(4)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}reorder_constant_load_local_store_constant_load:
; GCN: v_readfirstlane_b32 s[[PTR_LO:[0-9]+]], v{{[0-9]+}}
; GCN: v_readfirstlane_b32 s[[PTR_HI:[0-9]+]], v{{[0-9]+}}
; CI-DAG: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x1
; CI-DAG: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x3
; GFX9-DAG: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x4
; GFX9-DAG: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0xc
; GCN: ds_write_b32
; CI: buffer_store_dword
; GFX9: global_store_dword
define amdgpu_kernel void @reorder_constant_load_local_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(3)* %lptr) #0 {
%ptr0 = load i32 addrspace(4)*, i32 addrspace(4)* addrspace(3)* @stored_constant_ptr, align 8
%ptr1 = getelementptr inbounds i32, i32 addrspace(4)* %ptr0, i64 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(4)* %ptr0, i64 3
%tmp1 = load i32, i32 addrspace(4)* %ptr1, align 4
store i32 99, i32 addrspace(3)* %lptr, align 4
%tmp2 = load i32, i32 addrspace(4)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}reorder_smrd_load_local_store_smrd_load:
; GCN: s_load_dword
; GCN: s_load_dword
; GCN: s_load_dword
; GCN: ds_write_b32
; CI: buffer_store_dword
; GFX9: global_store_dword
define amdgpu_kernel void @reorder_smrd_load_local_store_smrd_load(i32 addrspace(1)* %out, i32 addrspace(3)* noalias %lptr, i32 addrspace(4)* %ptr0) #0 {
%ptr1 = getelementptr inbounds i32, i32 addrspace(4)* %ptr0, i64 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(4)* %ptr0, i64 2
%tmp1 = load i32, i32 addrspace(4)* %ptr1, align 4
store i32 99, i32 addrspace(3)* %lptr, align 4
%tmp2 = load i32, i32 addrspace(4)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}reorder_global_load_local_store_global_load:
; CI: ds_write_b32
; CI: buffer_load_dword
; CI: buffer_load_dword
; CI: buffer_store_dword
; GFX9: global_load_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, off offset:4
; GFX9: global_load_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, off offset:12
; GFX9: ds_write_b32
define amdgpu_kernel void @reorder_global_load_local_store_global_load(i32 addrspace(1)* %out, i32 addrspace(3)* %lptr, i32 addrspace(1)* %ptr0) #0 {
%ptr1 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i64 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i64 3
%tmp1 = load i32, i32 addrspace(1)* %ptr1, align 4
store i32 99, i32 addrspace(3)* %lptr, align 4
%tmp2 = load i32, i32 addrspace(1)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}reorder_local_offsets:
; GCN: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset0:100 offset1:102
; GCN-DAG: ds_write2_b32 {{v[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset0:3 offset1:100
; GCN-DAG: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:408
; CI: buffer_store_dword
; GFX9: global_store_dword
; GCN: s_endpgm
define amdgpu_kernel void @reorder_local_offsets(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* noalias nocapture readnone %gptr, i32 addrspace(3)* noalias nocapture %ptr0) #0 {
%ptr1 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 3
%ptr2 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 100
%ptr3 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 102
store i32 123, i32 addrspace(3)* %ptr1, align 4
%tmp1 = load i32, i32 addrspace(3)* %ptr2, align 4
%tmp2 = load i32, i32 addrspace(3)* %ptr3, align 4
store i32 123, i32 addrspace(3)* %ptr2, align 4
%tmp3 = load i32, i32 addrspace(3)* %ptr1, align 4
store i32 789, i32 addrspace(3)* %ptr3, align 4
%add.0 = add nsw i32 %tmp2, %tmp1
%add.1 = add nsw i32 %add.0, %tmp3
store i32 %add.1, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}reorder_global_offsets:
; CI-DAG: buffer_load_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:400
; CI-DAG: buffer_load_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:408
; CI-DAG: buffer_store_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:12
; CI-DAG: buffer_store_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:400
; CI-DAG: buffer_store_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:408
; CI: buffer_store_dword
; CI: s_endpgm
; GFX9-DAG: global_load_dword {{v[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, off offset:400
; GFX9-DAG: global_load_dword {{v[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, off offset:408
; GFX9-DAG: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, off offset:12
; GFX9-DAG: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, off offset:400
; GFX9-DAG: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, off offset:408
; GFX9: global_store_dword
; GFX9: s_endpgm
define amdgpu_kernel void @reorder_global_offsets(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* noalias nocapture readnone %gptr, i32 addrspace(1)* noalias nocapture %ptr0) #0 {
%ptr1 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 3
%ptr2 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 100
%ptr3 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 102
store i32 123, i32 addrspace(1)* %ptr1, align 4
%tmp1 = load i32, i32 addrspace(1)* %ptr2, align 4
%tmp2 = load i32, i32 addrspace(1)* %ptr3, align 4
store i32 123, i32 addrspace(1)* %ptr2, align 4
%tmp3 = load i32, i32 addrspace(1)* %ptr1, align 4
store i32 789, i32 addrspace(1)* %ptr3, align 4
%add.0 = add nsw i32 %tmp2, %tmp1
%add.1 = add nsw i32 %add.0, %tmp3
store i32 %add.1, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}reorder_global_offsets_addr64_soffset0:
; CI: buffer_load_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:12{{$}}
; CI-NEXT: buffer_load_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:28{{$}}
; CI-NEXT: buffer_load_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:44{{$}}
; CI: v_mov_b32
; CI: v_mov_b32
; CI: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CI: v_add_i32
; CI: v_add_i32
; CI: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:20{{$}}
; CI: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:36{{$}}
; CI-NEXT: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:52{{$}}
; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}{{$}}
; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}} offset:20
; GFX9: global_load_dword {{v[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}} offset:12
; GFX9: global_load_dword {{v[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}} offset:28
; GFX9: global_load_dword {{v[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}} offset:44
; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}} offset:36
; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}} offset:52
define amdgpu_kernel void @reorder_global_offsets_addr64_soffset0(i32 addrspace(1)* noalias nocapture %ptr.base) #0 {
%id = call i32 @llvm.amdgcn.workitem.id.x()
%id.ext = sext i32 %id to i64
%ptr0 = getelementptr inbounds i32, i32 addrspace(1)* %ptr.base, i64 %id.ext
%ptr1 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 3
%ptr2 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 5
%ptr3 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 7
%ptr4 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 9
%ptr5 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 11
%ptr6 = getelementptr inbounds i32, i32 addrspace(1)* %ptr0, i32 13
store i32 789, i32 addrspace(1)* %ptr0, align 4
%tmp1 = load i32, i32 addrspace(1)* %ptr1, align 4
store i32 123, i32 addrspace(1)* %ptr2, align 4
%tmp2 = load i32, i32 addrspace(1)* %ptr3, align 4
%add.0 = add nsw i32 %tmp1, %tmp2
store i32 %add.0, i32 addrspace(1)* %ptr4, align 4
%tmp3 = load i32, i32 addrspace(1)* %ptr5, align 4
%add.1 = add nsw i32 %add.0, %tmp3
store i32 %add.1, i32 addrspace(1)* %ptr6, align 4
ret void
}
; XGCN-LABEL: {{^}}reorder_local_load_tbuffer_store_local_load:
; XCI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}}, 0x4
; XCI: TBUFFER_STORE_FORMAT
; XCI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}}, 0x8
; define amdgpu_vs void @reorder_local_load_tbuffer_store_local_load(i32 addrspace(1)* %out, i32 %a1, i32 %vaddr) #0 {
; %ptr0 = load i32 addrspace(3)*, i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
; %ptr1 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 1
; %ptr2 = getelementptr inbounds i32, i32 addrspace(3)* %ptr0, i32 2
; %tmp1 = load i32, i32 addrspace(3)* %ptr1, align 4
; %vdata = insertelement <4 x i32> undef, i32 %a1, i32 0
; call void @llvm.amdgcn.tbuffer.store.v4i32(<4 x i32> %vdata, <4 x i32> undef,
; i32 %vaddr, i32 0, i32 0, i32 32, i32 14, i32 4, i1 1, i1 1)
; %tmp2 = load i32, i32 addrspace(3)* %ptr2, align 4
; %add = add nsw i32 %tmp1, %tmp2
; store i32 %add, i32 addrspace(1)* %out, align 4
; ret void
; }
attributes #0 = { nounwind }
attributes #1 = { nounwind convergent }
attributes #2 = { nounwind readnone }
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