1 ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
2 ; XUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
4 ; FIXME: broken on VI because flat instructions need to be emitted
5 ; instead of addr64 equivalent of the _OFFSET variants.
7 ; Check that moving the pointer out of the resource descriptor to
8 ; vaddr works for atomics.
10 declare i32 @llvm.amdgcn.workitem.id.x() #1
12 ; GCN-LABEL: {{^}}atomic_max_i32:
13 ; GCN: buffer_atomic_smax v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:400 glc{{$}}
14 define amdgpu_kernel void @atomic_max_i32(i32 addrspace(1)* %out, i32 addrspace(1)* addrspace(1)* %in, i32 addrspace(1)* %x, i32 %y) #0 {
15 %tid = call i32 @llvm.amdgcn.workitem.id.x()
16 %tid.gep = getelementptr i32 addrspace(1)*, i32 addrspace(1)* addrspace(1)* %in, i32 %tid
17 %ptr = load volatile i32 addrspace(1)*, i32 addrspace(1)* addrspace(1)* %tid.gep
18 %xor = xor i32 %tid, 1
19 %cmp = icmp ne i32 %xor, 0
20 br i1 %cmp, label %atomic, label %exit
23 %gep = getelementptr i32, i32 addrspace(1)* %ptr, i32 100
24 %ret = atomicrmw max i32 addrspace(1)* %gep, i32 %y seq_cst
25 store i32 %ret, i32 addrspace(1)* %out
32 ; GCN-LABEL: {{^}}atomic_max_i32_noret:
33 ; GCN: buffer_atomic_smax v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:400{{$}}
34 define amdgpu_kernel void @atomic_max_i32_noret(i32 addrspace(1)* %out, i32 addrspace(1)* addrspace(1)* %in, i32 addrspace(1)* %x, i32 %y) #0 {
35 %tid = call i32 @llvm.amdgcn.workitem.id.x()
36 %tid.gep = getelementptr i32 addrspace(1)*, i32 addrspace(1)* addrspace(1)* %in, i32 %tid
37 %ptr = load volatile i32 addrspace(1)*, i32 addrspace(1)* addrspace(1)* %tid.gep
38 %xor = xor i32 %tid, 1
39 %cmp = icmp ne i32 %xor, 0
40 br i1 %cmp, label %atomic, label %exit
43 %gep = getelementptr i32, i32 addrspace(1)* %ptr, i32 100
44 %ret = atomicrmw max i32 addrspace(1)* %gep, i32 %y seq_cst
51 attributes #0 = { nounwind }
52 attributes #1 = { nounwind readnone }