1; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
3; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
4
5; RUN: llc -global-isel -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
6; RUN: llc -global-isel -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
7; RUN: llc -global-isel -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
8
9
10; GCN-LABEL: {{^}}s_getreg_test:
11; GCN: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23)
12define amdgpu_kernel void @s_getreg_test(i32 addrspace(1)* %out) { ; simm16=45574 for lds size.
13  %lds_size_64dwords = call i32 @llvm.amdgcn.s.getreg(i32 45574)
14  %lds_size_bytes = shl i32 %lds_size_64dwords, 8
15  store i32 %lds_size_bytes, i32 addrspace(1)* %out
16  ret void
17}
18
19; Call site has additional readnone knowledge.
20; GCN-LABEL: {{^}}readnone_s_getreg_test:
21; GCN: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23)
22define amdgpu_kernel void @readnone_s_getreg_test(i32 addrspace(1)* %out) { ; simm16=45574 for lds size.
23  %lds_size_64dwords = call i32 @llvm.amdgcn.s.getreg(i32 45574) #1
24  %lds_size_bytes = shl i32 %lds_size_64dwords, 8
25  store i32 %lds_size_bytes, i32 addrspace(1)* %out
26  ret void
27}
28
29declare i32 @llvm.amdgcn.s.getreg(i32 immarg) #0
30
31attributes #0 = { nounwind readonly }
32attributes #1 = { nounwind readnone }
33