| # RUN: llc -march=amdgcn -mcpu=gfx908 -start-before=si-pre-emit-peephole %s -o - | FileCheck -check-prefix=GCN %s |
| |
| # Verify that the dedicated hazard recognizer pass is run after late peephole |
| # optimizations. New hazards can be introduced if instructions are removed by |
| # passes that are run before the final hazard recognizer. |
| |
| --- |
| # GCN-LABEL: {{^}}mai_hazard_pass_ordering_optimize_vcc_branch: |
| # GCN: v_accvgpr_read_b32 |
| # GCN-NEXT: s_nop |
| # GCN-NEXT: flat_load_dword |
| name: mai_hazard_pass_ordering_optimize_vcc_branch |
| body: | |
| bb.0: |
| $vgpr0 = V_MOV_B32_e32 1, implicit $exec |
| $vgpr2 = V_ACCVGPR_READ_B32_e64 killed $agpr0, implicit $exec |
| $sgpr8_sgpr9 = S_MOV_B64 -1 |
| $vgpr3 = FLAT_LOAD_DWORD $vgpr0_vgpr1, 0, 0, 0, 0, 0, implicit $exec, implicit $flat_scr |
| $vcc = S_ANDN2_B64 $exec, killed renamable $sgpr8_sgpr9, implicit-def dead $scc |
| S_CBRANCH_VCCNZ %bb.1, implicit killed $vcc |
| |
| bb.1: |
| S_ENDPGM 0 |
| ... |
