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1c34836bdc
llvm-mirror/test/CodeGen/AMDGPU/merge-stores.ll
Matt Arsenault 1c34836bdc AMDGPU: Split x8 and x16 vector loads instead of scalarize 
The one regression in the builtin tests is in the read2 test which now
(again) has many extra copies, but this should be solved once the pass
is replaced with a DAG combine.

llvm-svn: 253974
2015-11-24 12:05:03 +00:00

643 lines
25 KiB
LLVM
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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN -check-prefix=GCN-NOAA %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN -check-prefix=GCN-NOAA %s
; RUN: llc -march=amdgcn -verify-machineinstrs -combiner-alias-analysis < %s | FileCheck -check-prefix=SI -check-prefix=GCN -check-prefix=GCN-AA %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -combiner-alias-analysis < %s | FileCheck -check-prefix=SI -check-prefix=GCN -check-prefix=GCN-AA %s
; Run with devices with different unaligned load restrictions.
; TODO: Vector element tests
; TODO: Non-zero base offset for load and store combinations
; TODO: Same base addrspacecasted
; GCN-LABEL: {{^}}merge_global_store_2_constants_i8:
; GCN: buffer_store_byte
; GCN: buffer_store_byte
; GCN: s_endpgm
define void @merge_global_store_2_constants_i8(i8 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i8, i8 addrspace(1)* %out, i32 1
store i8 123, i8 addrspace(1)* %out.gep.1
store i8 456, i8 addrspace(1)* %out, align 2
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_i8_natural_align:
; GCN: buffer_store_byte
; GCN: buffer_store_byte
; GCN: s_endpgm
define void @merge_global_store_2_constants_i8_natural_align(i8 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i8, i8 addrspace(1)* %out, i32 1
store i8 123, i8 addrspace(1)* %out.gep.1
store i8 456, i8 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_i16:
; GCN: buffer_store_dword v
define void @merge_global_store_2_constants_i16(i16 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i16, i16 addrspace(1)* %out, i32 1
store i16 123, i16 addrspace(1)* %out.gep.1
store i16 456, i16 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_0_i16:
; GCN: buffer_store_dword v
define void @merge_global_store_2_constants_0_i16(i16 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i16, i16 addrspace(1)* %out, i32 1
store i16 0, i16 addrspace(1)* %out.gep.1
store i16 0, i16 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_i16_natural_align:
; GCN: buffer_store_short
; GCN: buffer_store_short
; GCN: s_endpgm
define void @merge_global_store_2_constants_i16_natural_align(i16 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i16, i16 addrspace(1)* %out, i32 1
store i16 123, i16 addrspace(1)* %out.gep.1
store i16 456, i16 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_i32:
; SI-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0x1c8
; SI-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7b
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @merge_global_store_2_constants_i32(i32 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
store i32 123, i32 addrspace(1)* %out.gep.1
store i32 456, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_i32_f32:
; GCN: buffer_store_dwordx2
define void @merge_global_store_2_constants_i32_f32(i32 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.1.bc = bitcast i32 addrspace(1)* %out.gep.1 to float addrspace(1)*
store float 1.0, float addrspace(1)* %out.gep.1.bc
store i32 456, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_f32_i32:
; SI-DAG: v_mov_b32_e32 v[[VLO:[0-9]+]], 4.0
; SI-DAG: v_mov_b32_e32 v[[VHI:[0-9]+]], 0x7b
; GCN: buffer_store_dwordx2 v{{\[}}[[VLO]]:[[VHI]]{{\]}}
define void @merge_global_store_2_constants_f32_i32(float addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr float, float addrspace(1)* %out, i32 1
%out.gep.1.bc = bitcast float addrspace(1)* %out.gep.1 to i32 addrspace(1)*
store i32 123, i32 addrspace(1)* %out.gep.1.bc
store float 4.0, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_constants_i32:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x14d{{$}}
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x1c8{{$}}
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x7b{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0x4d2{{$}}
; GCN: buffer_store_dwordx4 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @merge_global_store_4_constants_i32(i32 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr i32, i32 addrspace(1)* %out, i32 3
store i32 123, i32 addrspace(1)* %out.gep.1
store i32 456, i32 addrspace(1)* %out.gep.2
store i32 333, i32 addrspace(1)* %out.gep.3
store i32 1234, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_constants_f32_order:
; GCN: buffer_store_dwordx4
define void @merge_global_store_4_constants_f32_order(float addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr float, float addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr float, float addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr float, float addrspace(1)* %out, i32 3
store float 8.0, float addrspace(1)* %out
store float 1.0, float addrspace(1)* %out.gep.1
store float 2.0, float addrspace(1)* %out.gep.2
store float 4.0, float addrspace(1)* %out.gep.3
ret void
}
; First store is out of order.
; GCN-LABEL: {{^}}merge_global_store_4_constants_f32:
; GCN: buffer_store_dwordx4
define void @merge_global_store_4_constants_f32(float addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr float, float addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr float, float addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr float, float addrspace(1)* %out, i32 3
store float 1.0, float addrspace(1)* %out.gep.1
store float 2.0, float addrspace(1)* %out.gep.2
store float 4.0, float addrspace(1)* %out.gep.3
store float 8.0, float addrspace(1)* %out
ret void
}
; FIXME: Should be able to merge this
; GCN-LABEL: {{^}}merge_global_store_4_constants_mixed_i32_f32:
; GCN-NOAA: buffer_store_dword v
; GCN-NOAA: buffer_store_dword v
; GCN-NOAA: buffer_store_dword v
; GCN-NOAA: buffer_store_dword v
; GCN-AA: buffer_store_dwordx2
; GCN-AA: buffer_store_dword v
; GCN-AA: buffer_store_dword v
; GCN: s_endpgm
define void @merge_global_store_4_constants_mixed_i32_f32(float addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr float, float addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr float, float addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr float, float addrspace(1)* %out, i32 3
%out.gep.1.bc = bitcast float addrspace(1)* %out.gep.1 to i32 addrspace(1)*
%out.gep.3.bc = bitcast float addrspace(1)* %out.gep.3 to i32 addrspace(1)*
store i32 11, i32 addrspace(1)* %out.gep.1.bc
store float 2.0, float addrspace(1)* %out.gep.2
store i32 17, i32 addrspace(1)* %out.gep.3.bc
store float 8.0, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_3_constants_i32:
; SI-DAG: buffer_store_dwordx2
; SI-DAG: buffer_store_dword
; SI-NOT: buffer_store_dword
; GCN: s_endpgm
define void @merge_global_store_3_constants_i32(i32 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 2
store i32 123, i32 addrspace(1)* %out.gep.1
store i32 456, i32 addrspace(1)* %out.gep.2
store i32 1234, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_constants_i64:
; XGCN: buffer_store_dwordx4
; GCN: buffer_store_dwordx2
; GCN: buffer_store_dwordx2
define void @merge_global_store_2_constants_i64(i64 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i64, i64 addrspace(1)* %out, i64 1
store i64 123, i64 addrspace(1)* %out.gep.1
store i64 456, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_constants_i64:
; XGCN: buffer_store_dwordx4
; XGCN: buffer_store_dwordx4
; GCN: buffer_store_dwordx2
; GCN: buffer_store_dwordx2
; GCN: buffer_store_dwordx2
; GCN: buffer_store_dwordx2
define void @merge_global_store_4_constants_i64(i64 addrspace(1)* %out) #0 {
%out.gep.1 = getelementptr i64, i64 addrspace(1)* %out, i64 1
%out.gep.2 = getelementptr i64, i64 addrspace(1)* %out, i64 2
%out.gep.3 = getelementptr i64, i64 addrspace(1)* %out, i64 3
store i64 123, i64 addrspace(1)* %out.gep.1
store i64 456, i64 addrspace(1)* %out.gep.2
store i64 333, i64 addrspace(1)* %out.gep.3
store i64 1234, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_adjacent_loads_i32:
; GCN: buffer_load_dwordx2 [[LOAD:v\[[0-9]+:[0-9]+\]]]
; GCN: buffer_store_dwordx2 [[LOAD]]
define void @merge_global_store_2_adjacent_loads_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 1
%lo = load i32, i32 addrspace(1)* %in
%hi = load i32, i32 addrspace(1)* %in.gep.1
store i32 %lo, i32 addrspace(1)* %out
store i32 %hi, i32 addrspace(1)* %out.gep.1
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_adjacent_loads_i32_nonzero_base:
; GCN: buffer_load_dwordx2 [[LOAD:v\[[0-9]+:[0-9]+\]]], s{{\[[0-9]+:[0-9]+\]}}, 0 offset:8
; GCN: buffer_store_dwordx2 [[LOAD]], s{{\[[0-9]+:[0-9]+\]}}, 0 offset:8
define void @merge_global_store_2_adjacent_loads_i32_nonzero_base(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%in.gep.0 = getelementptr i32, i32 addrspace(1)* %in, i32 2
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 3
%out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i32 2
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 3
%lo = load i32, i32 addrspace(1)* %in.gep.0
%hi = load i32, i32 addrspace(1)* %in.gep.1
store i32 %lo, i32 addrspace(1)* %out.gep.0
store i32 %hi, i32 addrspace(1)* %out.gep.1
ret void
}
; GCN-LABEL: {{^}}merge_global_store_2_adjacent_loads_shuffle_i32:
; GCN: buffer_load_dword v
; GCN: buffer_load_dword v
; GCN: buffer_store_dword v
; GCN: buffer_store_dword v
define void @merge_global_store_2_adjacent_loads_shuffle_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 1
%lo = load i32, i32 addrspace(1)* %in
%hi = load i32, i32 addrspace(1)* %in.gep.1
store i32 %hi, i32 addrspace(1)* %out
store i32 %lo, i32 addrspace(1)* %out.gep.1
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_adjacent_loads_i32:
; GCN: buffer_load_dwordx4 [[LOAD:v\[[0-9]+:[0-9]+\]]]
; GCN: buffer_store_dwordx4 [[LOAD]]
define void @merge_global_store_4_adjacent_loads_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr i32, i32 addrspace(1)* %out, i32 3
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 1
%in.gep.2 = getelementptr i32, i32 addrspace(1)* %in, i32 2
%in.gep.3 = getelementptr i32, i32 addrspace(1)* %in, i32 3
%x = load i32, i32 addrspace(1)* %in
%y = load i32, i32 addrspace(1)* %in.gep.1
%z = load i32, i32 addrspace(1)* %in.gep.2
%w = load i32, i32 addrspace(1)* %in.gep.3
store i32 %x, i32 addrspace(1)* %out
store i32 %y, i32 addrspace(1)* %out.gep.1
store i32 %z, i32 addrspace(1)* %out.gep.2
store i32 %w, i32 addrspace(1)* %out.gep.3
ret void
}
; GCN-LABEL: {{^}}merge_global_store_3_adjacent_loads_i32:
; SI-DAG: buffer_load_dwordx2
; SI-DAG: buffer_load_dword v
; GCN: s_waitcnt
; SI-DAG: buffer_store_dword v
; SI-DAG: buffer_store_dwordx2 v
; GCN: s_endpgm
define void @merge_global_store_3_adjacent_loads_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 2
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 1
%in.gep.2 = getelementptr i32, i32 addrspace(1)* %in, i32 2
%x = load i32, i32 addrspace(1)* %in
%y = load i32, i32 addrspace(1)* %in.gep.1
%z = load i32, i32 addrspace(1)* %in.gep.2
store i32 %x, i32 addrspace(1)* %out
store i32 %y, i32 addrspace(1)* %out.gep.1
store i32 %z, i32 addrspace(1)* %out.gep.2
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_adjacent_loads_f32:
; GCN: buffer_load_dwordx4 [[LOAD:v\[[0-9]+:[0-9]+\]]]
; GCN: buffer_store_dwordx4 [[LOAD]]
define void @merge_global_store_4_adjacent_loads_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr float, float addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr float, float addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr float, float addrspace(1)* %out, i32 3
%in.gep.1 = getelementptr float, float addrspace(1)* %in, i32 1
%in.gep.2 = getelementptr float, float addrspace(1)* %in, i32 2
%in.gep.3 = getelementptr float, float addrspace(1)* %in, i32 3
%x = load float, float addrspace(1)* %in
%y = load float, float addrspace(1)* %in.gep.1
%z = load float, float addrspace(1)* %in.gep.2
%w = load float, float addrspace(1)* %in.gep.3
store float %x, float addrspace(1)* %out
store float %y, float addrspace(1)* %out.gep.1
store float %z, float addrspace(1)* %out.gep.2
store float %w, float addrspace(1)* %out.gep.3
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_adjacent_loads_i32_nonzero_base:
; GCN: buffer_load_dwordx4 [[LOAD:v\[[0-9]+:[0-9]+\]]], s{{\[[0-9]+:[0-9]+\]}}, 0 offset:44
; GCN: buffer_store_dwordx4 [[LOAD]], s{{\[[0-9]+:[0-9]+\]}}, 0 offset:28
define void @merge_global_store_4_adjacent_loads_i32_nonzero_base(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%in.gep.0 = getelementptr i32, i32 addrspace(1)* %in, i32 11
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 12
%in.gep.2 = getelementptr i32, i32 addrspace(1)* %in, i32 13
%in.gep.3 = getelementptr i32, i32 addrspace(1)* %in, i32 14
%out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i32 7
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 8
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 9
%out.gep.3 = getelementptr i32, i32 addrspace(1)* %out, i32 10
%x = load i32, i32 addrspace(1)* %in.gep.0
%y = load i32, i32 addrspace(1)* %in.gep.1
%z = load i32, i32 addrspace(1)* %in.gep.2
%w = load i32, i32 addrspace(1)* %in.gep.3
store i32 %x, i32 addrspace(1)* %out.gep.0
store i32 %y, i32 addrspace(1)* %out.gep.1
store i32 %z, i32 addrspace(1)* %out.gep.2
store i32 %w, i32 addrspace(1)* %out.gep.3
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_adjacent_loads_inverse_i32:
; GCN: buffer_load_dwordx4 [[LOAD:v\[[0-9]+:[0-9]+\]]]
; GCN: s_barrier
; GCN: buffer_store_dwordx4 [[LOAD]]
define void @merge_global_store_4_adjacent_loads_inverse_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr i32, i32 addrspace(1)* %out, i32 3
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 1
%in.gep.2 = getelementptr i32, i32 addrspace(1)* %in, i32 2
%in.gep.3 = getelementptr i32, i32 addrspace(1)* %in, i32 3
%x = load i32, i32 addrspace(1)* %in
%y = load i32, i32 addrspace(1)* %in.gep.1
%z = load i32, i32 addrspace(1)* %in.gep.2
%w = load i32, i32 addrspace(1)* %in.gep.3
; Make sure the barrier doesn't stop this
tail call void @llvm.AMDGPU.barrier.local() #1
store i32 %w, i32 addrspace(1)* %out.gep.3
store i32 %z, i32 addrspace(1)* %out.gep.2
store i32 %y, i32 addrspace(1)* %out.gep.1
store i32 %x, i32 addrspace(1)* %out
ret void
}
; TODO: Re-packing of loaded register required. Maybe an IR pass
; should catch this?
; GCN-LABEL: {{^}}merge_global_store_4_adjacent_loads_shuffle_i32:
; GCN: buffer_load_dword v
; GCN: buffer_load_dword v
; GCN: buffer_load_dword v
; GCN: buffer_load_dword v
; GCN: s_barrier
; GCN: buffer_store_dword v
; GCN: buffer_store_dword v
; GCN: buffer_store_dword v
; GCN: buffer_store_dword v
define void @merge_global_store_4_adjacent_loads_shuffle_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr i32, i32 addrspace(1)* %out, i32 3
%in.gep.1 = getelementptr i32, i32 addrspace(1)* %in, i32 1
%in.gep.2 = getelementptr i32, i32 addrspace(1)* %in, i32 2
%in.gep.3 = getelementptr i32, i32 addrspace(1)* %in, i32 3
%x = load i32, i32 addrspace(1)* %in
%y = load i32, i32 addrspace(1)* %in.gep.1
%z = load i32, i32 addrspace(1)* %in.gep.2
%w = load i32, i32 addrspace(1)* %in.gep.3
; Make sure the barrier doesn't stop this
tail call void @llvm.AMDGPU.barrier.local() #1
store i32 %w, i32 addrspace(1)* %out
store i32 %z, i32 addrspace(1)* %out.gep.1
store i32 %y, i32 addrspace(1)* %out.gep.2
store i32 %x, i32 addrspace(1)* %out.gep.3
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_adjacent_loads_i8:
; GCN: buffer_load_dword [[LOAD:v[0-9]+]]
; GCN: buffer_store_dword [[LOAD]]
; GCN: s_endpgm
define void @merge_global_store_4_adjacent_loads_i8(i8 addrspace(1)* %out, i8 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i8, i8 addrspace(1)* %out, i8 1
%out.gep.2 = getelementptr i8, i8 addrspace(1)* %out, i8 2
%out.gep.3 = getelementptr i8, i8 addrspace(1)* %out, i8 3
%in.gep.1 = getelementptr i8, i8 addrspace(1)* %in, i8 1
%in.gep.2 = getelementptr i8, i8 addrspace(1)* %in, i8 2
%in.gep.3 = getelementptr i8, i8 addrspace(1)* %in, i8 3
%x = load i8, i8 addrspace(1)* %in, align 4
%y = load i8, i8 addrspace(1)* %in.gep.1
%z = load i8, i8 addrspace(1)* %in.gep.2
%w = load i8, i8 addrspace(1)* %in.gep.3
store i8 %x, i8 addrspace(1)* %out, align 4
store i8 %y, i8 addrspace(1)* %out.gep.1
store i8 %z, i8 addrspace(1)* %out.gep.2
store i8 %w, i8 addrspace(1)* %out.gep.3
ret void
}
; GCN-LABEL: {{^}}merge_global_store_4_adjacent_loads_i8_natural_align:
; GCN: buffer_load_ubyte
; GCN: buffer_load_ubyte
; GCN: buffer_load_ubyte
; GCN: buffer_load_ubyte
; GCN: buffer_store_byte
; GCN: buffer_store_byte
; GCN: buffer_store_byte
; GCN: buffer_store_byte
; GCN: s_endpgm
define void @merge_global_store_4_adjacent_loads_i8_natural_align(i8 addrspace(1)* %out, i8 addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i8, i8 addrspace(1)* %out, i8 1
%out.gep.2 = getelementptr i8, i8 addrspace(1)* %out, i8 2
%out.gep.3 = getelementptr i8, i8 addrspace(1)* %out, i8 3
%in.gep.1 = getelementptr i8, i8 addrspace(1)* %in, i8 1
%in.gep.2 = getelementptr i8, i8 addrspace(1)* %in, i8 2
%in.gep.3 = getelementptr i8, i8 addrspace(1)* %in, i8 3
%x = load i8, i8 addrspace(1)* %in
%y = load i8, i8 addrspace(1)* %in.gep.1
%z = load i8, i8 addrspace(1)* %in.gep.2
%w = load i8, i8 addrspace(1)* %in.gep.3
store i8 %x, i8 addrspace(1)* %out
store i8 %y, i8 addrspace(1)* %out.gep.1
store i8 %z, i8 addrspace(1)* %out.gep.2
store i8 %w, i8 addrspace(1)* %out.gep.3
ret void
}
; This works once AA is enabled on the subtarget
; GCN-LABEL: {{^}}merge_global_store_4_vector_elts_loads_v4i32:
; GCN: buffer_load_dwordx4 [[LOAD:v\[[0-9]+:[0-9]+\]]]
; GCN-NOAA: buffer_store_dword v
; GCN-NOAA: buffer_store_dword v
; GCN-NOAA: buffer_store_dword v
; GCN-NOAA: buffer_store_dword v
; GCN-AA: buffer_store_dwordx4 [[LOAD]]
; GCN: s_endpgm
define void @merge_global_store_4_vector_elts_loads_v4i32(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(1)* %out, i32 2
%out.gep.3 = getelementptr i32, i32 addrspace(1)* %out, i32 3
%vec = load <4 x i32>, <4 x i32> addrspace(1)* %in
%x = extractelement <4 x i32> %vec, i32 0
%y = extractelement <4 x i32> %vec, i32 1
%z = extractelement <4 x i32> %vec, i32 2
%w = extractelement <4 x i32> %vec, i32 3
store i32 %x, i32 addrspace(1)* %out
store i32 %y, i32 addrspace(1)* %out.gep.1
store i32 %z, i32 addrspace(1)* %out.gep.2
store i32 %w, i32 addrspace(1)* %out.gep.3
ret void
}
; GCN-LABEL: {{^}}merge_local_store_2_constants_i8:
; GCN: ds_write_b8
; GCN: ds_write_b8
; GCN: s_endpgm
define void @merge_local_store_2_constants_i8(i8 addrspace(3)* %out) #0 {
%out.gep.1 = getelementptr i8, i8 addrspace(3)* %out, i32 1
store i8 123, i8 addrspace(3)* %out.gep.1
store i8 456, i8 addrspace(3)* %out, align 2
ret void
}
; GCN-LABEL: {{^}}merge_local_store_2_constants_i32:
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0x1c8
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7b
; GCN: ds_write2_b32 v{{[0-9]+}}, v[[LO]], v[[HI]] offset1:1{{$}}
define void @merge_local_store_2_constants_i32(i32 addrspace(3)* %out) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(3)* %out, i32 1
store i32 123, i32 addrspace(3)* %out.gep.1
store i32 456, i32 addrspace(3)* %out
ret void
}
; GCN-LABEL: {{^}}merge_local_store_4_constants_i32:
; GCN: ds_write_b32
; GCN: ds_write_b32
; GCN: ds_write_b32
; GCN: ds_write_b32
define void @merge_local_store_4_constants_i32(i32 addrspace(3)* %out) #0 {
%out.gep.1 = getelementptr i32, i32 addrspace(3)* %out, i32 1
%out.gep.2 = getelementptr i32, i32 addrspace(3)* %out, i32 2
%out.gep.3 = getelementptr i32, i32 addrspace(3)* %out, i32 3
store i32 123, i32 addrspace(3)* %out.gep.1
store i32 456, i32 addrspace(3)* %out.gep.2
store i32 333, i32 addrspace(3)* %out.gep.3
store i32 1234, i32 addrspace(3)* %out
ret void
}
; GCN-LABEL: {{^}}merge_global_store_5_constants_i32:
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 9{{$}}
; GCN-DAG: v_mov_b32_e32 v[[HI4:[0-9]+]], -12{{$}}
; GCN: buffer_store_dwordx4 v{{\[}}[[LO]]:[[HI4]]{{\]}}
; GCN: v_mov_b32_e32 v[[HI:[0-9]+]], 11{{$}}
; GCN: buffer_store_dword v[[HI]]
define void @merge_global_store_5_constants_i32(i32 addrspace(1)* %out) {
store i32 9, i32 addrspace(1)* %out, align 4
%idx1 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 1
store i32 12, i32 addrspace(1)* %idx1, align 4
%idx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 2
store i32 16, i32 addrspace(1)* %idx2, align 4
%idx3 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 3
store i32 -12, i32 addrspace(1)* %idx3, align 4
%idx4 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 4
store i32 11, i32 addrspace(1)* %idx4, align 4
ret void
}
; GCN-LABEL: {{^}}merge_global_store_6_constants_i32:
; GCN: buffer_store_dwordx4
; GCN: buffer_store_dwordx2
define void @merge_global_store_6_constants_i32(i32 addrspace(1)* %out) {
store i32 13, i32 addrspace(1)* %out, align 4
%idx1 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 1
store i32 15, i32 addrspace(1)* %idx1, align 4
%idx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 2
store i32 62, i32 addrspace(1)* %idx2, align 4
%idx3 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 3
store i32 63, i32 addrspace(1)* %idx3, align 4
%idx4 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 4
store i32 11, i32 addrspace(1)* %idx4, align 4
%idx5 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 5
store i32 123, i32 addrspace(1)* %idx5, align 4
ret void
}
; GCN-LABEL: {{^}}merge_global_store_7_constants_i32:
; GCN: buffer_store_dwordx4
; GCN: buffer_store_dwordx2
; GCN: buffer_store_dword v
define void @merge_global_store_7_constants_i32(i32 addrspace(1)* %out) {
store i32 34, i32 addrspace(1)* %out, align 4
%idx1 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 1
store i32 999, i32 addrspace(1)* %idx1, align 4
%idx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 2
store i32 65, i32 addrspace(1)* %idx2, align 4
%idx3 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 3
store i32 33, i32 addrspace(1)* %idx3, align 4
%idx4 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 4
store i32 98, i32 addrspace(1)* %idx4, align 4
%idx5 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 5
store i32 91, i32 addrspace(1)* %idx5, align 4
%idx6 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 6
store i32 212, i32 addrspace(1)* %idx6, align 4
ret void
}
; GCN-LABEL: {{^}}merge_global_store_8_constants_i32:
; GCN: buffer_store_dwordx4
; GCN: buffer_store_dwordx4
; GCN: s_endpgm
define void @merge_global_store_8_constants_i32(i32 addrspace(1)* %out) {
store i32 34, i32 addrspace(1)* %out, align 4
%idx1 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 1
store i32 999, i32 addrspace(1)* %idx1, align 4
%idx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 2
store i32 65, i32 addrspace(1)* %idx2, align 4
%idx3 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 3
store i32 33, i32 addrspace(1)* %idx3, align 4
%idx4 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 4
store i32 98, i32 addrspace(1)* %idx4, align 4
%idx5 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 5
store i32 91, i32 addrspace(1)* %idx5, align 4
%idx6 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 6
store i32 212, i32 addrspace(1)* %idx6, align 4
%idx7 = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 7
store i32 999, i32 addrspace(1)* %idx7, align 4
ret void
}
declare void @llvm.AMDGPU.barrier.local() #1
attributes #0 = { nounwind }
attributes #1 = { noduplicate nounwind }
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