92 lines
3.7 KiB
LLVM
92 lines
3.7 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
|
|
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=GCN %s
|
|
|
|
@local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] undef, align 4
|
|
|
|
; Check that the LDS size emitted correctly
|
|
; SI: .long 47180
|
|
; SI-NEXT: .long 65668
|
|
; CI: .long 47180
|
|
; CI-NEXT: .long 32900
|
|
|
|
; GCN-LABEL: {{^}}local_memory:
|
|
|
|
; GCN-NOT: s_wqm_b64
|
|
; GCN: ds_write_b32
|
|
|
|
; GCN: s_barrier
|
|
|
|
; GCN: ds_read_b32 {{v[0-9]+}},
|
|
define void @local_memory(i32 addrspace(1)* %out) #0 {
|
|
entry:
|
|
%y.i = call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%arrayidx = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
|
|
store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4
|
|
%add = add nsw i32 %y.i, 1
|
|
%cmp = icmp eq i32 %add, 16
|
|
%.add = select i1 %cmp, i32 0, i32 %add
|
|
call void @llvm.amdgcn.s.barrier()
|
|
%arrayidx1 = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
|
|
%tmp = load i32, i32 addrspace(3)* %arrayidx1, align 4
|
|
%arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %y.i
|
|
store i32 %tmp, i32 addrspace(1)* %arrayidx2, align 4
|
|
ret void
|
|
}
|
|
|
|
@local_memory_two_objects.local_mem0 = internal unnamed_addr addrspace(3) global [4 x i32] undef, align 4
|
|
@local_memory_two_objects.local_mem1 = internal unnamed_addr addrspace(3) global [4 x i32] undef, align 4
|
|
|
|
; Check that the LDS size emitted correctly
|
|
; EG: .long 166120
|
|
; EG-NEXT: .long 8
|
|
; GCN: .long 47180
|
|
; GCN-NEXT: .long 32900
|
|
|
|
; GCN-LABEL: {{^}}local_memory_two_objects:
|
|
; GCN: v_lshlrev_b32_e32 [[ADDRW:v[0-9]+]], 2, v0
|
|
; CI-DAG: ds_write2_b32 [[ADDRW]], {{v[0-9]+}}, {{v[0-9]+}} offset1:4
|
|
|
|
; SI: v_add_i32_e32 [[ADDRW_OFF:v[0-9]+]], vcc, 16, [[ADDRW]]
|
|
|
|
; SI-DAG: ds_write_b32 [[ADDRW]],
|
|
; SI-DAG: ds_write_b32 [[ADDRW_OFF]],
|
|
|
|
; GCN: s_barrier
|
|
|
|
; SI-DAG: v_sub_i32_e32 [[SUB0:v[0-9]+]], vcc, 28, [[ADDRW]]
|
|
; SI-DAG: v_sub_i32_e32 [[SUB1:v[0-9]+]], vcc, 12, [[ADDRW]]
|
|
|
|
; SI-DAG: ds_read_b32 v{{[0-9]+}}, [[SUB0]]
|
|
; SI-DAG: ds_read_b32 v{{[0-9]+}}, [[SUB1]]
|
|
|
|
; CI: v_sub_i32_e32 [[SUB:v[0-9]+]], vcc, 0, [[ADDRW]]
|
|
; CI: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, [[SUB]] offset0:3 offset1:7
|
|
define void @local_memory_two_objects(i32 addrspace(1)* %out) #0 {
|
|
entry:
|
|
%x.i = call i32 @llvm.amdgcn.workitem.id.x()
|
|
%arrayidx = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %x.i
|
|
store i32 %x.i, i32 addrspace(3)* %arrayidx, align 4
|
|
%mul = shl nsw i32 %x.i, 1
|
|
%arrayidx1 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %x.i
|
|
store i32 %mul, i32 addrspace(3)* %arrayidx1, align 4
|
|
%sub = sub nsw i32 3, %x.i
|
|
call void @llvm.amdgcn.s.barrier()
|
|
%arrayidx2 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %sub
|
|
%tmp = load i32, i32 addrspace(3)* %arrayidx2, align 4
|
|
%arrayidx3 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %x.i
|
|
store i32 %tmp, i32 addrspace(1)* %arrayidx3, align 4
|
|
%arrayidx4 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %sub
|
|
%tmp1 = load i32, i32 addrspace(3)* %arrayidx4, align 4
|
|
%add = add nsw i32 %x.i, 4
|
|
%arrayidx5 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %add
|
|
store i32 %tmp1, i32 addrspace(1)* %arrayidx5, align 4
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.amdgcn.workitem.id.x() #1
|
|
declare void @llvm.amdgcn.s.barrier() #2
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { nounwind readnone }
|
|
attributes #2 = { convergent nounwind }
|