diff options
Diffstat (limited to 'test/CodeGen/AMDGPU/llvm.AMDGPU.read.workdim.ll')
-rw-r--r-- | test/CodeGen/AMDGPU/llvm.AMDGPU.read.workdim.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/llvm.AMDGPU.read.workdim.ll b/test/CodeGen/AMDGPU/llvm.AMDGPU.read.workdim.ll new file mode 100644 index 000000000000..2e299e30b8c7 --- /dev/null +++ b/test/CodeGen/AMDGPU/llvm.AMDGPU.read.workdim.ll @@ -0,0 +1,37 @@ +; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN -check-prefix=SI-NOHSA -check-prefix=GCN-NOHSA -check-prefix=FUNC %s +; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=VI-NOHSA -check-prefix=GCN -check-prefix=GCN-NOHSA -check-prefix=FUNC %s +; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}read_workdim: +; EG: MEM_RAT_CACHELESS STORE_RAW [[VAL:T[0-9]+\.X]] +; EG: MOV * [[VAL]], KC0[2].Z + +; SI-NOHSA: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0xb +; VI-NOHSA: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0x2c +; GCN-NOHSA: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]] +; GCN-NOHSA: buffer_store_dword [[VVAL]] +define void @read_workdim(i32 addrspace(1)* %out) { +entry: + %0 = call i32 @llvm.AMDGPU.read.workdim() #0 + store i32 %0, i32 addrspace(1)* %out + ret void +} + +; FUNC-LABEL: {{^}}read_workdim_known_bits: +; SI: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0xb +; VI: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0x2c +; GCN-NOT: 0xff +; GCN: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]] +; GCN: buffer_store_dword [[VVAL]] +define void @read_workdim_known_bits(i32 addrspace(1)* %out) { +entry: + %dim = call i32 @llvm.AMDGPU.read.workdim() #0 + %shl = shl i32 %dim, 24 + %shr = lshr i32 %shl, 24 + store i32 %shr, i32 addrspace(1)* %out + ret void +} + +declare i32 @llvm.AMDGPU.read.workdim() #0 + +attributes #0 = { readnone } |