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https://github.com/c64scene-ar/llvm-6502.git
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1bd96c574c
This partially makes up for not having address spaces used for alias analysis in some simple cases. This is not yet enabled by default so shouldn't change anything yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222286 91177308-0d34-0410-b5e6-96231b3b80d8
239 lines
9.7 KiB
LLVM
239 lines
9.7 KiB
LLVM
; RUN: llc -march=r600 -mcpu=bonaire -verify-machineinstrs -enable-misched -enable-aa-sched-mi < %s | FileCheck -check-prefix=FUNC -check-prefix=CI %s
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declare void @llvm.SI.tbuffer.store.i32(<16 x i8>, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
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declare void @llvm.SI.tbuffer.store.v4i32(<16 x i8>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
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declare void @llvm.AMDGPU.barrier.local() #2
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@stored_lds_ptr = addrspace(3) global i32 addrspace(3)* undef, align 4
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@stored_constant_ptr = addrspace(3) global i32 addrspace(2)* undef, align 8
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@stored_global_ptr = addrspace(3) global i32 addrspace(1)* undef, align 8
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; FUNC-LABEL: @reorder_local_load_global_store_local_load
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; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
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; CI-NEXT: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:8
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; CI: buffer_store_dword
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define void @reorder_local_load_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
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%ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
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%ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
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%ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2
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%tmp1 = load i32 addrspace(3)* %ptr1, align 4
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store i32 99, i32 addrspace(1)* %gptr, align 4
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%tmp2 = load i32 addrspace(3)* %ptr2, align 4
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%add = add nsw i32 %tmp1, %tmp2
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store i32 %add, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: @no_reorder_local_load_volatile_global_store_local_load
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; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
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; CI: buffer_store_dword
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; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:8
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define void @no_reorder_local_load_volatile_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
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%ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
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%ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
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%ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2
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%tmp1 = load i32 addrspace(3)* %ptr1, align 4
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store volatile i32 99, i32 addrspace(1)* %gptr, align 4
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%tmp2 = load i32 addrspace(3)* %ptr2, align 4
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%add = add nsw i32 %tmp1, %tmp2
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store i32 %add, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: @no_reorder_barrier_local_load_global_store_local_load
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; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
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; CI: buffer_store_dword
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; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:8
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define void @no_reorder_barrier_local_load_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
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%ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
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%ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
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%ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2
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%tmp1 = load i32 addrspace(3)* %ptr1, align 4
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store i32 99, i32 addrspace(1)* %gptr, align 4
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call void @llvm.AMDGPU.barrier.local() #2
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%tmp2 = load i32 addrspace(3)* %ptr2, align 4
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%add = add nsw i32 %tmp1, %tmp2
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store i32 %add, i32 addrspace(1)* %out, align 4
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ret void
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}
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; Technically we could reorder these, but just comparing the
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; instruction type of the load is insufficient.
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; FUNC-LABEL: @no_reorder_constant_load_global_store_constant_load
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; CI: buffer_load_dword
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; CI: buffer_store_dword
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; CI: buffer_load_dword
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; CI: buffer_store_dword
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define void @no_reorder_constant_load_global_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
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%ptr0 = load i32 addrspace(2)* addrspace(3)* @stored_constant_ptr, align 8
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%ptr1 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 1
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%ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2
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%tmp1 = load i32 addrspace(2)* %ptr1, align 4
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store i32 99, i32 addrspace(1)* %gptr, align 4
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%tmp2 = load i32 addrspace(2)* %ptr2, align 4
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%add = add nsw i32 %tmp1, %tmp2
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store i32 %add, i32 addrspace(1)* %out, align 4
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ret void
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}
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; XXX: Should be able to reorder this, but the laods count as ordered
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; FUNC-LABEL: @reorder_constant_load_local_store_constant_load
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; CI: buffer_load_dword
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; CI: ds_write_b32
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; CI: buffer_load_dword
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; CI: buffer_store_dword
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define void @reorder_constant_load_local_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(3)* %lptr) #0 {
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%ptr0 = load i32 addrspace(2)* addrspace(3)* @stored_constant_ptr, align 8
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%ptr1 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 1
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%ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2
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%tmp1 = load i32 addrspace(2)* %ptr1, align 4
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store i32 99, i32 addrspace(3)* %lptr, align 4
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%tmp2 = load i32 addrspace(2)* %ptr2, align 4
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%add = add nsw i32 %tmp1, %tmp2
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store i32 %add, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: @reorder_smrd_load_local_store_smrd_load
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; CI: s_load_dword
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; CI: s_load_dword
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; CI: s_load_dword
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; CI: ds_write_b32
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; CI: buffer_store_dword
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define void @reorder_smrd_load_local_store_smrd_load(i32 addrspace(1)* %out, i32 addrspace(3)* noalias %lptr, i32 addrspace(2)* %ptr0) #0 {
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%ptr1 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 1
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%ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2
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%tmp1 = load i32 addrspace(2)* %ptr1, align 4
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store i32 99, i32 addrspace(3)* %lptr, align 4
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%tmp2 = load i32 addrspace(2)* %ptr2, align 4
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%add = add nsw i32 %tmp1, %tmp2
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store i32 %add, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: @reorder_global_load_local_store_global_load
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; CI: buffer_load_dword
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; CI: buffer_load_dword
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; CI: ds_write_b32
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; CI: buffer_store_dword
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define void @reorder_global_load_local_store_global_load(i32 addrspace(1)* %out, i32 addrspace(3)* %lptr, i32 addrspace(1)* %ptr0) #0 {
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%ptr1 = getelementptr inbounds i32 addrspace(1)* %ptr0, i64 1
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%ptr2 = getelementptr inbounds i32 addrspace(1)* %ptr0, i64 2
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%tmp1 = load i32 addrspace(1)* %ptr1, align 4
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store i32 99, i32 addrspace(3)* %lptr, align 4
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%tmp2 = load i32 addrspace(1)* %ptr2, align 4
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%add = add nsw i32 %tmp1, %tmp2
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store i32 %add, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: @reorder_local_offsets
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; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:12
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; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:400
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; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:404
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; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:400
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; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:404
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; CI: buffer_store_dword
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; CI: s_endpgm
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define void @reorder_local_offsets(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* noalias nocapture readnone %gptr, i32 addrspace(3)* noalias nocapture %ptr0) #0 {
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%ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 3
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%ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 100
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%ptr3 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 101
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store i32 123, i32 addrspace(3)* %ptr1, align 4
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%tmp1 = load i32 addrspace(3)* %ptr2, align 4
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%tmp2 = load i32 addrspace(3)* %ptr3, align 4
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store i32 123, i32 addrspace(3)* %ptr2, align 4
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%tmp3 = load i32 addrspace(3)* %ptr1, align 4
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store i32 789, i32 addrspace(3)* %ptr3, align 4
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%add.0 = add nsw i32 %tmp2, %tmp1
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%add.1 = add nsw i32 %add.0, %tmp3
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store i32 %add.1, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: @reorder_global_offsets
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; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0xc
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; CI: buffer_load_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x190
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; CI: buffer_load_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x194
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; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x190
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; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x194
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; CI: buffer_store_dword
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; CI: s_endpgm
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define void @reorder_global_offsets(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* noalias nocapture readnone %gptr, i32 addrspace(1)* noalias nocapture %ptr0) #0 {
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%ptr1 = getelementptr inbounds i32 addrspace(1)* %ptr0, i32 3
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%ptr2 = getelementptr inbounds i32 addrspace(1)* %ptr0, i32 100
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%ptr3 = getelementptr inbounds i32 addrspace(1)* %ptr0, i32 101
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store i32 123, i32 addrspace(1)* %ptr1, align 4
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%tmp1 = load i32 addrspace(1)* %ptr2, align 4
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%tmp2 = load i32 addrspace(1)* %ptr3, align 4
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store i32 123, i32 addrspace(1)* %ptr2, align 4
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%tmp3 = load i32 addrspace(1)* %ptr1, align 4
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store i32 789, i32 addrspace(1)* %ptr3, align 4
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%add.0 = add nsw i32 %tmp2, %tmp1
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%add.1 = add nsw i32 %add.0, %tmp3
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store i32 %add.1, i32 addrspace(1)* %out, align 4
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ret void
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}
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; XFUNC-LABEL: @reorder_local_load_tbuffer_store_local_load
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; XCI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}}, 0x4
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; XCI: TBUFFER_STORE_FORMAT
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; XCI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}}, 0x8
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; define void @reorder_local_load_tbuffer_store_local_load(i32 addrspace(1)* %out, i32 %a1, i32 %vaddr) #1 {
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; %ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4
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; %ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
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; %ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2
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; %tmp1 = load i32 addrspace(3)* %ptr1, align 4
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; %vdata = insertelement <4 x i32> undef, i32 %a1, i32 0
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; call void @llvm.SI.tbuffer.store.v4i32(<16 x i8> undef, <4 x i32> %vdata,
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; i32 4, i32 %vaddr, i32 0, i32 32, i32 14, i32 4, i32 1, i32 0, i32 1,
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; i32 1, i32 0)
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; %tmp2 = load i32 addrspace(3)* %ptr2, align 4
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; %add = add nsw i32 %tmp1, %tmp2
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; store i32 %add, i32 addrspace(1)* %out, align 4
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; ret void
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; }
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
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attributes #1 = { "ShaderType"="1" nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
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attributes #2 = { nounwind noduplicate }
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