xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/cgp-addressing-modes.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=tahiti < %s | FileCheck -check-prefix=OPT -check-prefix=OPT-SI %s
; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=bonaire < %s | FileCheck -check-prefix=OPT -check-prefix=OPT-CI %s
; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=tonga < %s | FileCheck -check-prefix=OPT -check-prefix=OPT-VI %s
; RUN: llc -march=amdgcn -mcpu=tahiti -mattr=-promote-alloca -amdgpu-sroa=0 < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=bonaire -mattr=-promote-alloca -amdgpu-sroa=0 < %s | FileCheck -check-prefix=GCN -check-prefix=CI %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-promote-alloca -amdgpu-sroa=0 < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s

; OPT-LABEL: @test_sink_global_small_offset_i32(
; OPT-CI-NOT: getelementptr i32, i32 addrspace(1)* %in
; OPT-VI: getelementptr i32, i32 addrspace(1)* %in
; OPT: br i1
; OPT-CI: ptrtoint

; GCN-LABEL: {{^}}test_sink_global_small_offset_i32:
; GCN: {{^}}BB0_2:
define void @test_sink_global_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(1)* %in, i64 7
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(1)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_sink_global_small_max_i32_ds_offset(
; OPT: %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 65535
; OPT: br i1

; GCN-LABEL: {{^}}test_sink_global_small_max_i32_ds_offset:
; GCN: s_and_saveexec_b64
; GCN: buffer_load_sbyte {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, s{{[0-9]+$}}
; GCN: {{^}}BB1_2:
; GCN: s_or_b64 exec
define void @test_sink_global_small_max_i32_ds_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 99999
  %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 65535
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i8, i8 addrspace(1)* %in.gep
  %tmp2 = sext i8 %tmp1 to i32
  br label %endif

endif:
  %x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; GCN-LABEL: {{^}}test_sink_global_small_max_mubuf_offset:
; GCN: s_and_saveexec_b64
; GCN: buffer_load_sbyte {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:4095{{$}}
; GCN: {{^}}BB2_2:
; GCN: s_or_b64 exec
define void @test_sink_global_small_max_mubuf_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 1024
  %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 4095
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i8, i8 addrspace(1)* %in.gep
  %tmp2 = sext i8 %tmp1 to i32
  br label %endif

endif:
  %x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; GCN-LABEL: {{^}}test_sink_global_small_max_plus_1_mubuf_offset:
; GCN: s_and_saveexec_b64
; GCN: buffer_load_sbyte {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, s{{[0-9]+$}}
; GCN: {{^}}BB3_2:
; GCN: s_or_b64 exec
define void @test_sink_global_small_max_plus_1_mubuf_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 99999
  %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 4096
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i8, i8 addrspace(1)* %in.gep
  %tmp2 = sext i8 %tmp1 to i32
  br label %endif

endif:
  %x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_sink_scratch_small_offset_i32(
; OPT-NOT:  getelementptr [512 x i32]
; OPT: br i1
; OPT: ptrtoint

; GCN-LABEL: {{^}}test_sink_scratch_small_offset_i32:
; GCN: s_and_saveexec_b64
; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen offset:4092{{$}}
; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen offset:4092{{$}}
; GCN: {{^}}BB4_2:
define void @test_sink_scratch_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %arg) {
entry:
  %alloca = alloca [512 x i32], align 4
  %out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i64 999998
  %out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %add.arg = add i32 %arg, 8
  %alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1023
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  store volatile i32 123, i32* %alloca.gep
  %tmp1 = load volatile i32, i32* %alloca.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep.0
  %load = load volatile i32, i32* %alloca.gep
  store i32 %load, i32 addrspace(1)* %out.gep.1
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_no_sink_scratch_large_offset_i32(
; OPT: %alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1024
; OPT: br i1
; OPT-NOT: ptrtoint

; GCN-LABEL: {{^}}test_no_sink_scratch_large_offset_i32:
; GCN: s_and_saveexec_b64
; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen{{$}}
; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen{{$}}
; GCN: {{^}}BB5_2:
define void @test_no_sink_scratch_large_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %arg) {
entry:
  %alloca = alloca [512 x i32], align 4
  %out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i64 999998
  %out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %add.arg = add i32 %arg, 8
  %alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1024
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  store volatile i32 123, i32* %alloca.gep
  %tmp1 = load volatile i32, i32* %alloca.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep.0
  %load = load volatile i32, i32* %alloca.gep
  store i32 %load, i32 addrspace(1)* %out.gep.1
  br label %done

done:
  ret void
}

; GCN-LABEL: {{^}}test_sink_global_vreg_sreg_i32:
; GCN: s_and_saveexec_b64
; CI: buffer_load_dword {{v[0-9]+}}, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; VI: flat_load_dword v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}]
; GCN: {{^}}BB6_2:
define void @test_sink_global_vreg_sreg_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %offset) {
entry:
  %offset.ext = zext i32 %offset to i64
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(1)* %in, i64 %offset.ext
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(1)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }



; OPT-LABEL: @test_sink_constant_small_offset_i32
; OPT-NOT:  getelementptr i32, i32 addrspace(2)*
; OPT: br i1

; GCN-LABEL: {{^}}test_sink_constant_small_offset_i32:
; GCN: s_and_saveexec_b64
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x7{{$}}
; GCN: s_or_b64 exec, exec
define void @test_sink_constant_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 7
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(2)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_sink_constant_max_8_bit_offset_i32
; OPT-NOT:  getelementptr i32, i32 addrspace(2)*
; OPT: br i1

; GCN-LABEL: {{^}}test_sink_constant_max_8_bit_offset_i32:
; GCN: s_and_saveexec_b64
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0xff{{$}}
; GCN: s_or_b64 exec, exec
define void @test_sink_constant_max_8_bit_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 255
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(2)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_sink_constant_max_8_bit_offset_p1_i32
; OPT-SI:  getelementptr i32, i32 addrspace(2)*
; OPT-CI-NOT:  getelementptr i32, i32 addrspace(2)*
; OPT-VI-NOT:  getelementptr i32, i32 addrspace(2)*
; OPT: br i1

; GCN-LABEL: {{^}}test_sink_constant_max_8_bit_offset_p1_i32:
; GCN: s_and_saveexec_b64
; SI: s_movk_i32 [[OFFSET:s[0-9]+]], 0x400

; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}
; GCN: s_or_b64 exec, exec
define void @test_sink_constant_max_8_bit_offset_p1_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 256
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(2)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_sink_constant_max_32_bit_offset_i32
; OPT-SI: getelementptr i32, i32 addrspace(2)*
; OPT-CI-NOT: getelementptr i32, i32 addrspace(2)*
; OPT: br i1

; GCN-LABEL: {{^}}test_sink_constant_max_32_bit_offset_i32:
; GCN: s_and_saveexec_b64
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, -4{{$}}
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, 3{{$}}
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x0{{$}}
; GCN: s_or_b64 exec, exec
define void @test_sink_constant_max_32_bit_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 4294967295
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(2)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_sink_constant_max_32_bit_offset_p1_i32
; OPT: getelementptr i32, i32 addrspace(2)*
; OPT: br i1

; GCN-LABEL: {{^}}test_sink_constant_max_32_bit_offset_p1_i32:
; GCN: s_and_saveexec_b64
; GCN: s_add_u32
; GCN: s_addc_u32
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x0{{$}}
; GCN: s_or_b64 exec, exec
define void @test_sink_constant_max_32_bit_offset_p1_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 17179869181
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(2)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; GCN-LABEL: {{^}}test_sink_constant_max_20_bit_byte_offset_i32:
; GCN: s_and_saveexec_b64
; SI: s_mov_b32 [[OFFSET:s[0-9]+]], 0xffffc{{$}}
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}

; CI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x3ffff{{$}}
; VI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0xffffc{{$}}

; GCN: s_or_b64 exec, exec
define void @test_sink_constant_max_20_bit_byte_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 262143
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(2)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

; OPT-LABEL: @test_sink_constant_max_20_bit_byte_offset_p1_i32
; OPT-SI: getelementptr i32, i32 addrspace(2)*
; OPT-CI-NOT: getelementptr i32, i32 addrspace(2)*
; OPT-VI: getelementptr i32, i32 addrspace(2)*
; OPT: br i1

; GCN-LABEL: {{^}}test_sink_constant_max_20_bit_byte_offset_p1_i32:
; GCN: s_and_saveexec_b64
; SI: s_mov_b32 [[OFFSET:s[0-9]+]], 0x100000{{$}}
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}

; CI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x40000{{$}}

; VI: s_mov_b32 [[OFFSET:s[0-9]+]], 0x100000{{$}}
; VI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}

; GCN: s_or_b64 exec, exec
define void @test_sink_constant_max_20_bit_byte_offset_p1_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
entry:
  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
  %in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 262144
  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
  %tmp0 = icmp eq i32 %tid, 0
  br i1 %tmp0, label %endif, label %if

if:
  %tmp1 = load i32, i32 addrspace(2)* %in.gep
  br label %endif

endif:
  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
  store i32 %x, i32 addrspace(1)* %out.gep
  br label %done

done:
  ret void
}

%struct.foo = type { [3 x float], [3 x float] }

; OPT-LABEL: @sink_ds_address(
; OPT: ptrtoint %struct.foo addrspace(3)* %ptr to i64

; GCN-LABEL: {{^}}sink_ds_address:
; GCN: s_load_dword [[SREG1:s[0-9]+]],
; GCN: v_mov_b32_e32 [[VREG1:v[0-9]+]], [[SREG1]]
; GCN-DAG: ds_read2_b32 v[{{[0-9+:[0-9]+}}], [[VREG1]] offset0:3 offset1:5
define void @sink_ds_address(%struct.foo addrspace(3)* nocapture %ptr) nounwind {
entry:
  %x = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 0
  %y = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 2
  br label %bb32

bb32:
  %a = load float, float addrspace(3)* %x, align 4
  %b = load float, float addrspace(3)* %y, align 4
  %cmp = fcmp one float %a, %b
  br i1 %cmp, label %bb34, label %bb33

bb33:
  unreachable

bb34:
  unreachable
}

declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0

attributes #0 = { nounwind readnone }