# RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -verify-machineinstrs -run-pass post-RA-hazard-rec -o - %s | FileCheck -check-prefix=GCN %s # GCN-LABEL: name: hazard_smem_war # GCN: S_LOAD_DWORD_IMM # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_no_hazard # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_ADD_U32 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_no_hazard body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr4, $sgpr5, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 $sgpr3 = S_ADD_U32 $sgpr4, $sgpr5, implicit-def $scc $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_dependent_salu # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT # GCN-NEXT: S_ADD_U32 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_dependent_salu body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr4, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT 0 $sgpr3 = S_ADD_U32 $sgpr2, $sgpr4, implicit-def $scc $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_independent_salu # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT # GCN-NEXT: S_ADD_U32 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_independent_salu body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr4, $sgpr5, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT 0 $sgpr3 = S_ADD_U32 $sgpr5, $sgpr4, implicit-def $scc $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_only_smem # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_LOAD_DWORD_IMM # GCN-NEXT: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_only_smem body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr6, $sgpr7, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 $sgpr5 = S_LOAD_DWORD_IMM $sgpr6_sgpr7, 0, 0 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_only_waitcnt_0 # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_only_waitcnt_0 body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT 0 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_only_vmcnt_0 # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT 3952{{$}} # GCN-NEXT: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_only_vmcnt_0 body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT 3952 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_only_expcnt_0 # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT 53007{{$}} # GCN-NEXT: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_only_expcnt_0 body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT 53007 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_only_lgkmcnt_0 # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT 49279{{$}} # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_only_lgkmcnt_0 body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT 49279 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_only_waitcnt_lgkmcnt_0 # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT_LGKMCNT # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_only_waitcnt_lgkmcnt_0 body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT_LGKMCNT $sgpr_null, 0 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_only_waitcnt_lgkmcnt_1 # GCN: S_LOAD_DWORD_IMM # GCN-NEXT: S_WAITCNT_LGKMCNT # GCN-NEXT: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_only_waitcnt_lgkmcnt_1 body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_WAITCNT_LGKMCNT $sgpr_null, 1 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_branch # GCN: S_LOAD_DWORD_IMM # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_branch body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr4, $vgpr0, $vgpr1 successors: %bb.1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_BRANCH %bb.1 bb.1: liveins: $sgpr0, $sgpr1, $sgpr2, $vgpr0, $vgpr1 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_cbranch # GCN: S_AND_B64 # GCN: S_LOAD_DWORD_IMM # GCN: S_CBRANCH_VCCZ # GCN-NOT: $sgpr_null = S_MOV_B32 0 # GCN: V_CMP_EQ_F32 # GCN: S_ENDPGM 0 # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_cbranch body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr4, $sgpr5, $vgpr0, $vgpr1 successors: %bb.1, %bb.2 $vcc = S_AND_B64 $sgpr4_sgpr5, $sgpr4_sgpr5, implicit-def $scc $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_CBRANCH_VCCZ %bb.2, implicit killed $vcc bb.1: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr4, $sgpr5, $vgpr0, $vgpr1 $sgpr4_sgpr5 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 bb.2: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr4, $sgpr5, $vgpr0, $vgpr1 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_cbranch_carry # GCN: S_AND_B64 # GCN: S_LOAD_DWORD_IMM # GCN: S_CBRANCH_VCCZ # GCN-NOT: $sgpr_null = S_MOV_B32 0 # GCN: V_CMP_EQ_F32 # GCN-NEXT: S_ENDPGM 0 # GCN-NOT: $sgpr_null = S_MOV_B32 0 # GCN: V_CMP_EQ_F32 # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_cbranch_carry body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr4, $sgpr5, $vgpr0, $vgpr1 successors: %bb.1, %bb.2 $vcc = S_AND_B64 $sgpr4_sgpr5, $sgpr4_sgpr5, implicit-def $scc $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_CBRANCH_VCCZ %bb.2, implicit killed $vcc bb.1: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr4, $sgpr5, $vgpr0, $vgpr1 $sgpr4_sgpr5 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 bb.2: successors: %bb.3 liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr4, $sgpr5, $vgpr0, $vgpr1 $sgpr4_sgpr5 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec bb.3: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr4, $sgpr5, $vgpr0, $vgpr1 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_backedge # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 # GCN: S_LOAD_DWORD_IMM --- name: hazard_smem_war_backedge body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr2, $vgpr0, $vgpr1 successors: %bb.1 $sgpr0_sgpr1 = V_CMP_EQ_F32_e64 0, $vgpr0, 0, $vgpr1, 1, implicit $mode, implicit $exec bb.1: liveins: $sgpr0, $sgpr1, $sgpr2, $vgpr0, $vgpr1 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 S_BRANCH %bb.0 ... # GCN-LABEL: name: hazard_smem_war_impdef # GCN: S_LOAD_DWORD_IMM # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_CMP_EQ_F32 --- name: hazard_smem_war_impdef body: | bb.0: liveins: $vcc, $vgpr0 $sgpr0 = S_LOAD_DWORD_IMM $vcc, 0, 0 V_CMP_EQ_F32_e32 $vgpr0, $vgpr0, implicit-def $vcc, implicit $mode, implicit $exec S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_readlane # GCN: S_LOAD_DWORD_IMM # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_READLANE_B32 --- name: hazard_smem_war_readlane body: | bb.0: liveins: $sgpr0, $sgpr1, $sgpr3, $vgpr0 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 $sgpr0 = V_READLANE_B32 $vgpr0, $sgpr3 S_ENDPGM 0 ... # GCN-LABEL: name: hazard_smem_war_readfirstlane # GCN: S_LOAD_DWORD_IMM # GCN: $sgpr_null = S_MOV_B32 0 # GCN-NEXT: V_READFIRSTLANE_B32 --- name: hazard_smem_war_readfirstlane body: | bb.0: liveins: $sgpr0, $sgpr1, $vgpr0 $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 $sgpr0 = V_READFIRSTLANE_B32 $vgpr0, implicit $exec S_ENDPGM 0 ...