blob: bf3b50ea042748d352bde5b3433cf681b4bb8085 [file] [log] [blame]
; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tahiti < %s
; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s
; This works because promote allocas pass replaces these with LDS atomics.
; Private atomics have no real use, but at least shouldn't crash on it.
define amdgpu_kernel void @atomicrmw_private(i32 addrspace(1)* %out, i32 %in) nounwind {
entry:
%tmp = alloca [2 x i32], addrspace(5)
%tmp1 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 0
%tmp2 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 1
store i32 0, i32 addrspace(5)* %tmp1
store i32 1, i32 addrspace(5)* %tmp2
%tmp3 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 %in
%tmp4 = atomicrmw add i32 addrspace(5)* %tmp3, i32 7 acq_rel
store i32 %tmp4, i32 addrspace(1)* %out
ret void
}
define amdgpu_kernel void @cmpxchg_private(i32 addrspace(1)* %out, i32 %in) nounwind {
entry:
%tmp = alloca [2 x i32], addrspace(5)
%tmp1 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 0
%tmp2 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 1
store i32 0, i32 addrspace(5)* %tmp1
store i32 1, i32 addrspace(5)* %tmp2
%tmp3 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 %in
%tmp4 = cmpxchg i32 addrspace(5)* %tmp3, i32 0, i32 1 acq_rel monotonic
%val = extractvalue { i32, i1 } %tmp4, 0
store i32 %val, i32 addrspace(1)* %out
ret void
}