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llvm-project/llvm/test/CodeGen/AMDGPU/si-triv-disjoint-mem-access.ll

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LLVM
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; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -enable-misched -enable-aa-sched-mi < %s | FileCheck -check-prefix=FUNC -check-prefix=CI %s
declare void @llvm.SI.tbuffer.store.i32(<16 x i8>, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
declare void @llvm.SI.tbuffer.store.v4i32(<16 x i8>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
declare void @llvm.amdgcn.s.barrier() #1
@stored_lds_ptr = addrspace(3) global i32 addrspace(3)* undef, align 4
@stored_constant_ptr = addrspace(3) global i32 addrspace(2)* undef, align 8
@stored_global_ptr = addrspace(3) global i32 addrspace(1)* undef, align 8
; FUNC-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
define 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
}
; FUNC-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
define 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
}
; FUNC-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
define 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
}
; FUNC-LABEL: @reorder_constant_load_global_store_constant_load
; CI-DAG: buffer_store_dword
; CI-DAG: v_readfirstlane_b32 s[[PTR_LO:[0-9]+]], v{{[0-9]+}}
; CI: 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
; CI: buffer_store_dword
define void @reorder_constant_load_global_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
%ptr0 = load i32 addrspace(2)*, i32 addrspace(2)* addrspace(3)* @stored_constant_ptr, align 8
%ptr1 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 3
%tmp1 = load i32, i32 addrspace(2)* %ptr1, align 4
store i32 99, i32 addrspace(1)* %gptr, align 4
%tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @reorder_constant_load_local_store_constant_load
; CI: v_readfirstlane_b32 s[[PTR_LO:[0-9]+]], v{{[0-9]+}}
; CI: 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
; CI: ds_write_b32
; CI: buffer_store_dword
define void @reorder_constant_load_local_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(3)* %lptr) #0 {
%ptr0 = load i32 addrspace(2)*, i32 addrspace(2)* addrspace(3)* @stored_constant_ptr, align 8
%ptr1 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 3
%tmp1 = load i32, i32 addrspace(2)* %ptr1, align 4
store i32 99, i32 addrspace(3)* %lptr, align 4
%tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @reorder_smrd_load_local_store_smrd_load
; CI: s_load_dword
; CI: s_load_dword
; CI: s_load_dword
; CI: ds_write_b32
; CI: buffer_store_dword
define void @reorder_smrd_load_local_store_smrd_load(i32 addrspace(1)* %out, i32 addrspace(3)* noalias %lptr, i32 addrspace(2)* %ptr0) #0 {
%ptr1 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 1
%ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 2
%tmp1 = load i32, i32 addrspace(2)* %ptr1, align 4
store i32 99, i32 addrspace(3)* %lptr, align 4
%tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4
%add = add nsw i32 %tmp1, %tmp2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @reorder_global_load_local_store_global_load
; CI: buffer_load_dword
; CI: buffer_load_dword
; CI: ds_write_b32
; CI: buffer_store_dword
define 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
}
; FUNC-LABEL: @reorder_local_offsets
; CI: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset0:100 offset1:102
; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:400
; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:408
; CI: buffer_store_dword
; CI: s_endpgm
define 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
}
; FUNC-LABEL: @reorder_global_offsets
; CI: buffer_load_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:400
; CI: buffer_store_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:12
; CI: buffer_load_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:408
; CI: buffer_load_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:12
; CI: buffer_store_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:400
; CI: buffer_store_dword {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:408
; CI: s_endpgm
define 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
}
; XFUNC-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.SI.tbuffer.store.v4i32(<16 x i8> undef, <4 x i32> %vdata,
; i32 4, i32 %vaddr, i32 0, i32 32, i32 14, i32 4, i32 1, i32 0, i32 1,
; i32 1, i32 0)
; %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 }
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