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https://github.com/c64scene-ar/llvm-6502.git
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51a3c27d6e
The schedule model is not complete yet, and could be improved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227461 91177308-0d34-0410-b5e6-96231b3b80d8
239 lines
9.6 KiB
LLVM
239 lines
9.6 KiB
LLVM
; RUN: llc -march=amdgcn -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: 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 @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:12
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; CI: buffer_load_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:400
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; CI: buffer_load_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:404
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; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:400
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; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:404
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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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