1 ; RUN: llc -mtriple=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
5 ; RUN: llc -global-isel -mtriple=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
10 ; GCN-LABEL: {{^}}s_getreg_test:
11 ; GCN: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23)
12 define amdgpu_kernel void @s_getreg_test(ptr 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, ptr addrspace(1) %out
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)
22 define amdgpu_kernel void @readnone_s_getreg_test(ptr 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, ptr addrspace(1) %out
29 declare i32 @llvm.amdgcn.s.getreg(i32 immarg) #0
31 attributes #0 = { nounwind readonly }
32 attributes #1 = { nounwind readnone }