| ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -amdgpu-spill-sgpr-to-vgpr=true < %s | FileCheck -check-prefixes=GCN,SPILL-TO-VGPR %s |
| ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -amdgpu-spill-sgpr-to-vgpr=false < %s | FileCheck -check-prefixes=GCN,NO-SPILL-TO-VGPR %s |
| |
| ; Check frame setup where SGPR spills to VGPRs are disabled or enabled. |
| |
| declare hidden void @external_void_func_void() #0 |
| |
| ; GCN-LABEL: {{^}}callee_with_stack_and_call: |
| ; SPILL-TO-VGPR: buffer_store_dword v40, off, s[0:3], s32 offset:4 ; 4-byte Folded Spill |
| ; SPILL-TO-VGPR: v_writelane_b32 v40, s33, 2 |
| ; NO-SPILL-TO-VGPR: v_mov_b32_e32 v0, s33 |
| ; NO-SPILL-TO-VGPR: buffer_store_dword v0, off, s[0:3], s32 offset:12 ; 4-byte Folded Spill |
| |
| ; GCN: s_swappc_b64 s[30:31], s[4:5] |
| |
| ; SPILL-TO-VGPR: v_readlane_b32 s4, v40, 0 |
| ; SPILL-TO-VGPR: v_readlane_b32 s5, v40, 1 |
| ; NO-SPILL-TO-VGPR: v_readlane_b32 s4, v1, 0 |
| ; NO-SPILL-TO-VGPR: v_readlane_b32 s5, v1, 1 |
| |
| ; SPILL-TO-VGPR: v_readlane_b32 s33, v40, 2 |
| ; NO-SPILL-TO-VGPR: buffer_load_dword v0, off, s[0:3], s32 offset:12 ; 4-byte Folded Reload |
| ; NO-SPILL-TO-VGPR: v_readfirstlane_b32 s33, v0 |
| define void @callee_with_stack_and_call() #0 { |
| %alloca = alloca i32, addrspace(5) |
| store volatile i32 0, i32 addrspace(5)* %alloca |
| call void @external_void_func_void() |
| ret void |
| } |
| |
| attributes #0 = { nounwind } |