| ; RUN: llc -march=amdgcn -mcpu=gfx908 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX908 %s |
| ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX900 %s |
| |
| define void @foo() { |
| bb: |
| ret void |
| } |
| |
| ; FIXME: We spill v40 into AGPR, but still save and restore FP |
| ; which is not needed in this case. |
| |
| ; GCN-LABEL: {{^}}caller: |
| |
| ; GCN: s_mov_b32 [[TMP_SGPR:s[0-9]+]], s33 |
| ; GCN: s_mov_b32 s33, s32 |
| ; GFX900: buffer_store_dword |
| ; GFX908-DAG: v_accvgpr_write_b32 |
| ; GCN: s_swappc_b64 |
| ; GFX900: buffer_load_dword |
| ; GFX908: v_accvgpr_read_b32 |
| ; GCN: s_mov_b32 s33, [[TMP_SGPR]] |
| define i64 @caller() { |
| bb: |
| call void asm sideeffect "", "~{v40}" () |
| tail call void @foo() |
| ret i64 0 |
| } |
