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: ; return
9define amdgpu_ps i32 @test_ps() #1 {
10  %alloca = alloca i32, addrspace(5)
11  store volatile i32 0, i32 addrspace(5)* %alloca
12  %implicit_buffer_ptr = call i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr()
13  %buffer_ptr = bitcast i8 addrspace(4)* %implicit_buffer_ptr to i32 addrspace(4)*
14  %value = load volatile i32, i32 addrspace(4)* %buffer_ptr
15  ret i32 %value
16}
17
18; GCN-LABEL: {{^}}test_cs:
19; GCN: s_mov_b64 s[4:5], s[0:1]
20; GCN: buffer_store_dword v{{[0-9]+}}, off, s[4:7], 0 offset:4
21; GCN: s_load_dword s0, s[0:1], 0x0
22define amdgpu_cs i32 @test_cs() #1 {
23  %alloca = alloca i32, addrspace(5)
24  store volatile i32 0, i32 addrspace(5)* %alloca
25  %implicit_buffer_ptr = call i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr()
26  %buffer_ptr = bitcast i8 addrspace(4)* %implicit_buffer_ptr to i32 addrspace(4)*
27  %value = load volatile i32, i32 addrspace(4)* %buffer_ptr
28  ret i32 %value
29}
30
31declare i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr() #0
32
33attributes #0 = { nounwind readnone speculatable }
34attributes #1 = { nounwind }
35