| # RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass post-RA-sched %s -o - | FileCheck -check-prefix=GFX90 %s |
| |
| # This tests that a KILL isn't considered as a valid instruction for a hazard |
| # slot (e.g. m0 def followed by V_INTERP for gfx9) |
| # The hazard recognizer should mov another instruction into that slot (in this case the S_MOV_B32 |
| |
| --- | |
| define amdgpu_ps void @_amdgpu_ps_main() #0 { ret void } |
| ... |
| --- |
| # CHECK-LABEL: name: _amdgpu_ps_main |
| # CHECK-LABEL: bb.0: |
| # GFX90: $m0 = S_MOV_B32 killed renamable $sgpr4 |
| # GFX90-NEXT: KILL undef renamable $sgpr2 |
| # GFX90-NEXT: S_MOV_B32 0 |
| # GFX90-NEXT: V_INTERP_MOV_F32 |
| name: _amdgpu_ps_main |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $sgpr2, $sgpr3, $sgpr4 |
| |
| $sgpr6 = S_MOV_B32 killed $sgpr3 |
| renamable $sgpr8_sgpr9_sgpr10_sgpr11 = S_LOAD_DWORDX4_IMM renamable $sgpr6_sgpr7, 16, 0, 0 |
| $m0 = S_MOV_B32 killed renamable $sgpr4 |
| dead renamable $sgpr0 = KILL undef renamable $sgpr2 |
| renamable $vgpr0 = V_INTERP_MOV_F32 2, 0, 0, implicit $m0, implicit $exec |
| renamable $sgpr0 = S_MOV_B32 0 |
| |
| S_ENDPGM 0 |
| |
| ... |