| ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG %s |
| |
| ; EG-LABEL: {{^}}read_workdim: |
| ; EG: MEM_RAT_CACHELESS STORE_RAW [[VAL:T[0-9]+\.X]] |
| ; EG: MOV * [[VAL]], KC0[2].Z |
| define void @read_workdim(i32 addrspace(1)* %out) { |
| entry: |
| %dim = call i32 @llvm.r600.read.workdim() #0 |
| store i32 %dim, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; EG-LABEL: {{^}}read_workdim_known_bits: |
| define void @read_workdim_known_bits(i32 addrspace(1)* %out) { |
| entry: |
| %dim = call i32 @llvm.r600.read.workdim() #0 |
| %shl = shl i32 %dim, 24 |
| %shr = lshr i32 %shl, 24 |
| store i32 %shr, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; EG-LABEL: {{^}}legacy_read_workdim: |
| ; EG: MEM_RAT_CACHELESS STORE_RAW [[VAL:T[0-9]+\.X]] |
| ; EG: MOV * [[VAL]], KC0[2].Z |
| define void @legacy_read_workdim(i32 addrspace(1)* %out) { |
| entry: |
| %dim = call i32 @llvm.AMDGPU.read.workdim() #0 |
| store i32 %dim, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| declare i32 @llvm.r600.read.workdim() #0 |
| declare i32 @llvm.AMDGPU.read.workdim() #0 |
| |
| attributes #0 = { nounwind readnone } |