| ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=HSA -check-prefix=ALL %s |
| ; RUN: llc -mtriple=amdgcn-mesa-mesa3d -verify-machineinstrs < %s | FileCheck -check-prefix=MESA -check-prefix=ALL %s |
| |
| ; ALL-LABEL: {{^}}test: |
| ; HSA: enable_sgpr_kernarg_segment_ptr = 1 |
| ; HSA: s_load_dword s{{[0-9]+}}, s[4:5], 0xa |
| |
| ; MESA: s_load_dword s{{[0-9]+}}, s[0:1], 0xa |
| define void @test(i32 addrspace(1)* %out) #1 { |
| %kernarg.segment.ptr = call noalias i8 addrspace(2)* @llvm.amdgcn.kernarg.segment.ptr() |
| %header.ptr = bitcast i8 addrspace(2)* %kernarg.segment.ptr to i32 addrspace(2)* |
| %gep = getelementptr i32, i32 addrspace(2)* %header.ptr, i64 10 |
| %value = load i32, i32 addrspace(2)* %gep |
| store i32 %value, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; ALL-LABEL: {{^}}test_implicit: |
| ; 10 + 9 (36 prepended implicit bytes) + 2(out pointer) = 21 = 0x15 |
| ; MESA: s_load_dword s{{[0-9]+}}, s[0:1], 0x15 |
| define void @test_implicit(i32 addrspace(1)* %out) #1 { |
| %implicitarg.ptr = call noalias i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr() |
| %header.ptr = bitcast i8 addrspace(2)* %implicitarg.ptr to i32 addrspace(2)* |
| %gep = getelementptr i32, i32 addrspace(2)* %header.ptr, i64 10 |
| %value = load i32, i32 addrspace(2)* %gep |
| store i32 %value, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| declare i8 addrspace(2)* @llvm.amdgcn.kernarg.segment.ptr() #0 |
| declare i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr() #0 |
| |
| attributes #0 = { nounwind readnone } |
| attributes #1 = { nounwind } |