| ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -amdgpu-spill-sgpr-to-smem=1 -verify-machineinstrs < %s | FileCheck -check-prefix=TOSMEM -check-prefix=ALL %s |
| |
| ; FIXME: SGPR-to-SMEM requires an additional SGPR always to scavenge m0 |
| |
| ; ALL-LABEL: {{^}}max_9_sgprs: |
| ; ALL: SGPRBlocks: 1 |
| ; ALL: NumSGPRsForWavesPerEU: 9 |
| define amdgpu_kernel void @max_9_sgprs() #0 { |
| %one = load volatile i32, i32 addrspace(4)* undef |
| %two = load volatile i32, i32 addrspace(4)* undef |
| %three = load volatile i32, i32 addrspace(4)* undef |
| %four = load volatile i32, i32 addrspace(4)* undef |
| %five = load volatile i32, i32 addrspace(4)* undef |
| %six = load volatile i32, i32 addrspace(4)* undef |
| %seven = load volatile i32, i32 addrspace(4)* undef |
| %eight = load volatile i32, i32 addrspace(4)* undef |
| %nine = load volatile i32, i32 addrspace(4)* undef |
| %ten = load volatile i32, i32 addrspace(4)* undef |
| call void asm sideeffect "", "s,s,s,s,s,s,s,s"(i32 %one, i32 %two, i32 %three, i32 %four, i32 %five, i32 %six, i32 %seven, i32 %eight) |
| store volatile i32 %one, i32 addrspace(1)* undef |
| store volatile i32 %two, i32 addrspace(1)* undef |
| store volatile i32 %three, i32 addrspace(1)* undef |
| store volatile i32 %four, i32 addrspace(1)* undef |
| store volatile i32 %five, i32 addrspace(1)* undef |
| store volatile i32 %six, i32 addrspace(1)* undef |
| store volatile i32 %seven, i32 addrspace(1)* undef |
| store volatile i32 %eight, i32 addrspace(1)* undef |
| store volatile i32 %nine, i32 addrspace(1)* undef |
| store volatile i32 %ten, i32 addrspace(1)* undef |
| ret void |
| } |
| |
| attributes #0 = { nounwind "amdgpu-num-sgpr"="14" } |
