+; RUN: llc -verify-machineinstrs -march=r600 -mcpu=SI < %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 void @atomicrmw_private(i32 addrspace(1)* %out, i32 %in) nounwind {
+entry:
+ %tmp = alloca [2 x i32]
+ %tmp1 = getelementptr [2 x i32]* %tmp, i32 0, i32 0
+ %tmp2 = getelementptr [2 x i32]* %tmp, i32 0, i32 1
+ store i32 0, i32* %tmp1
+ store i32 1, i32* %tmp2
+ %tmp3 = getelementptr [2 x i32]* %tmp, i32 0, i32 %in
+ %tmp4 = atomicrmw add i32* %tmp3, i32 7 acq_rel
+ store i32 %tmp4, i32 addrspace(1)* %out
+ ret void
+}
+
+define void @cmpxchg_private(i32 addrspace(1)* %out, i32 %in) nounwind {
+entry:
+ %tmp = alloca [2 x i32]
+ %tmp1 = getelementptr [2 x i32]* %tmp, i32 0, i32 0
+ %tmp2 = getelementptr [2 x i32]* %tmp, i32 0, i32 1
+ store i32 0, i32* %tmp1
+ store i32 1, i32* %tmp2
+ %tmp3 = getelementptr [2 x i32]* %tmp, i32 0, i32 %in
+ %tmp4 = cmpxchg i32* %tmp3, i32 0, i32 1 acq_rel monotonic
+ %val = extractvalue { i32, i1 } %tmp4, 0
+ store i32 %val, i32 addrspace(1)* %out
+ ret void
+}