1; RUN: llc -mtriple=amdgcn-mesa-mesa3d -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2
3; FIXME: Requires stack object to not assert
4; GCN-LABEL: {{^}}test_ps:
5; GCN: s_load_dwordx2 s[4:5], s[0:1], 0x0
6; GCN: buffer_store_dword v0, off, s[4:7], 0 offset:4
7; GCN: s_load_dword s{{[0-9]+}}, s[0:1], 0x0
8; GCN-NEXT: s_waitcnt
9; GCN-NEXT: ; return
10define amdgpu_ps i32 @test_ps() #1 {
11  %alloca = alloca i32, addrspace(5)
12  store volatile i32 0, i32 addrspace(5)* %alloca
13  %implicit_buffer_ptr = call i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr()
14  %buffer_ptr = bitcast i8 addrspace(4)* %implicit_buffer_ptr to i32 addrspace(4)*
15  %value = load volatile i32, i32 addrspace(4)* %buffer_ptr
16  ret i32 %value
17}
18
19; GCN-LABEL: {{^}}test_cs:
20; GCN: s_mov_b64 s[4:5], s[0:1]
21; GCN: buffer_store_dword v{{[0-9]+}}, off, s[4:7], 0 offset:4
22; GCN: s_load_dword s0, s[0:1], 0x0
23define amdgpu_cs i32 @test_cs() #1 {
24  %alloca = alloca i32, addrspace(5)
25  store volatile i32 0, i32 addrspace(5)* %alloca
26  %implicit_buffer_ptr = call i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr()
27  %buffer_ptr = bitcast i8 addrspace(4)* %implicit_buffer_ptr to i32 addrspace(4)*
28  %value = load volatile i32, i32 addrspace(4)* %buffer_ptr
29  ret i32 %value
30}
31
32declare i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr() #0
33
34attributes #0 = { nounwind readnone speculatable }
35attributes #1 = { nounwind }
36