• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc -verify-machineinstrs -march=r600 -mcpu=SI < %s
2
3; This works because promote allocas pass replaces these with LDS atomics.
4
5; Private atomics have no real use, but at least shouldn't crash on it.
6define void @atomicrmw_private(i32 addrspace(1)* %out, i32 %in) nounwind {
7entry:
8  %tmp = alloca [2 x i32]
9  %tmp1 = getelementptr [2 x i32]* %tmp, i32 0, i32 0
10  %tmp2 = getelementptr [2 x i32]* %tmp, i32 0, i32 1
11  store i32 0, i32* %tmp1
12  store i32 1, i32* %tmp2
13  %tmp3 = getelementptr [2 x i32]* %tmp, i32 0, i32 %in
14  %tmp4 = atomicrmw add i32* %tmp3, i32 7 acq_rel
15  store i32 %tmp4, i32 addrspace(1)* %out
16  ret void
17}
18
19define void @cmpxchg_private(i32 addrspace(1)* %out, i32 %in) nounwind {
20entry:
21  %tmp = alloca [2 x i32]
22  %tmp1 = getelementptr [2 x i32]* %tmp, i32 0, i32 0
23  %tmp2 = getelementptr [2 x i32]* %tmp, i32 0, i32 1
24  store i32 0, i32* %tmp1
25  store i32 1, i32* %tmp2
26  %tmp3 = getelementptr [2 x i32]* %tmp, i32 0, i32 %in
27  %tmp4 = cmpxchg i32* %tmp3, i32 0, i32 1 acq_rel monotonic
28  %val = extractvalue { i32, i1 } %tmp4, 0
29  store i32 %val, i32 addrspace(1)* %out
30  ret void
31}
32