# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX9 %s # RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX10 %s # RUN: llc -march=amdgcn -mcpu=gfx1100 -mattr=-wavefrontsize32,+wavefrontsize64 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX11 %s --- | define amdgpu_ps void @early_term_scc0_end_block() { ret void } define amdgpu_ps void @early_term_scc0_next_terminator() { ret void } define amdgpu_ps void @early_term_scc0_in_block() { ret void } define amdgpu_gs void @early_term_scc0_gs() { ret void } define amdgpu_cs void @early_term_scc0_cs() { ret void } define amdgpu_ps void @early_term_no_export() #0 { ret void } define amdgpu_ps void @early_term_depth_only() #1 { ret void } attributes #0 = { "amdgpu-color-export"="0" "amdgpu-depth-export"="0" } attributes #1 = { "amdgpu-color-export"="0" "amdgpu-depth-export"="1" } ... --- name: early_term_scc0_end_block tracksRegLiveness: true liveins: - { reg: '$sgpr0' } - { reg: '$sgpr1' } body: | ; GCN-LABEL: name: early_term_scc0_end_block ; GCN: bb.0: ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) ; GCN: liveins: $sgpr0, $sgpr1 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc ; GCN: bb.1: ; GCN: liveins: $vgpr0 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec ; GCN: S_ENDPGM 0 ; GCN: bb.2: ; GCN: $exec = S_MOV_B64 0 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX11: EXP_DONE 0, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GCN: S_ENDPGM 0 bb.0: liveins: $sgpr0, $sgpr1 successors: %bb.1 $vgpr0 = V_MOV_B32_e32 0, implicit $exec dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec bb.1: liveins: $vgpr0 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec S_ENDPGM 0 ... --- name: early_term_scc0_next_terminator tracksRegLiveness: true liveins: - { reg: '$sgpr0' } - { reg: '$sgpr1' } body: | ; GCN-LABEL: name: early_term_scc0_next_terminator ; GCN: bb.0: ; GCN: successors: %bb.2(0x80000000), %bb.3(0x00000000) ; GCN: liveins: $sgpr0, $sgpr1 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc ; GCN: S_CBRANCH_SCC0 %bb.3, implicit $scc ; GCN: S_BRANCH %bb.2 ; GCN: bb.1: ; GCN: successors: %bb.2(0x80000000) ; GCN: $vgpr0 = V_MOV_B32_e32 1, implicit $exec ; GCN: bb.2: ; GCN: liveins: $vgpr0 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec ; GCN: S_ENDPGM 0 ; GCN: bb.3: ; GCN: $exec = S_MOV_B64 0 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX11: EXP_DONE 0, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GCN: S_ENDPGM 0 bb.0: liveins: $sgpr0, $sgpr1 successors: %bb.2 $vgpr0 = V_MOV_B32_e32 0, implicit $exec dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec S_BRANCH %bb.2 bb.1: successors: %bb.2 $vgpr0 = V_MOV_B32_e32 1, implicit $exec S_BRANCH %bb.2 bb.2: liveins: $vgpr0 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec S_ENDPGM 0 ... --- name: early_term_scc0_in_block tracksRegLiveness: true liveins: - { reg: '$sgpr0' } - { reg: '$sgpr1' } body: | ; GCN-LABEL: name: early_term_scc0_in_block ; GCN: bb.0: ; GCN: successors: %bb.3(0x40000000), %bb.2(0x40000000) ; GCN: liveins: $sgpr0, $sgpr1 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc ; GCN: bb.3: ; GCN: successors: %bb.1(0x80000000) ; GCN: liveins: $vgpr0, $scc ; GCN: $vgpr1 = V_MOV_B32_e32 1, implicit $exec ; GCN: bb.1: ; GCN: liveins: $vgpr0, $vgpr1 ; GCN: EXP 1, $vgpr1, $vgpr1, $vgpr1, $vgpr1, -1, -1, 15, implicit $exec ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec ; GCN: S_ENDPGM 0 ; GCN: bb.2: ; GCN: $exec = S_MOV_B64 0 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX11: EXP_DONE 0, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GCN: S_ENDPGM 0 bb.0: liveins: $sgpr0, $sgpr1 successors: %bb.1 $vgpr0 = V_MOV_B32_e32 0, implicit $exec dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec $vgpr1 = V_MOV_B32_e32 1, implicit $exec bb.1: liveins: $vgpr0, $vgpr1 EXP 1, $vgpr1, $vgpr1, $vgpr1, $vgpr1, -1, -1, 15, implicit $exec EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec S_ENDPGM 0 ... --- name: early_term_scc0_gs tracksRegLiveness: true liveins: - { reg: '$sgpr0' } - { reg: '$sgpr1' } body: | ; GCN-LABEL: name: early_term_scc0_gs ; GCN: bb.0: ; GCN: successors: %bb.1(0x80000000) ; GCN: liveins: $sgpr0, $sgpr1 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc ; GCN: bb.1: ; GCN: liveins: $vgpr0 ; GCN: S_ENDPGM 0 ; GCN: bb.2: ; GCN: $exec = S_MOV_B64 0 ; GCN: S_ENDPGM 0 bb.0: liveins: $sgpr0, $sgpr1 successors: %bb.1 $vgpr0 = V_MOV_B32_e32 0, implicit $exec dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec bb.1: liveins: $vgpr0 S_ENDPGM 0 ... --- name: early_term_scc0_cs tracksRegLiveness: true liveins: - { reg: '$sgpr0' } - { reg: '$sgpr1' } body: | ; GCN-LABEL: name: early_term_scc0_cs ; GCN: bb.0: ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) ; GCN: liveins: $sgpr0, $sgpr1 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc ; GCN: bb.1: ; GCN: liveins: $vgpr0 ; GCN: S_ENDPGM 0 ; GCN: bb.2: ; GCN: $exec = S_MOV_B64 0 ; GCN: S_ENDPGM 0 bb.0: liveins: $sgpr0, $sgpr1 successors: %bb.1 $vgpr0 = V_MOV_B32_e32 0, implicit $exec dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec bb.1: liveins: $vgpr0 S_ENDPGM 0 ... --- name: early_term_no_export tracksRegLiveness: true liveins: - { reg: '$sgpr0' } - { reg: '$sgpr1' } body: | ; GCN-LABEL: name: early_term_no_export ; GCN: bb.0: ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) ; GCN: liveins: $sgpr0, $sgpr1 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc ; GCN: bb.1: ; GCN: liveins: $vgpr0 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec ; GCN: S_ENDPGM 0 ; GCN: bb.2: ; GCN: $exec = S_MOV_B64 0 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX10-NOT: EXP_DONE ; GFX11-NOT: EXP_DONE ; GCN: S_ENDPGM 0 bb.0: liveins: $sgpr0, $sgpr1 successors: %bb.1 $vgpr0 = V_MOV_B32_e32 0, implicit $exec dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec bb.1: liveins: $vgpr0 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec S_ENDPGM 0 ... --- name: early_term_depth_only tracksRegLiveness: true liveins: - { reg: '$sgpr0' } - { reg: '$sgpr1' } body: | ; GCN-LABEL: name: early_term_depth_only ; GCN: bb.0: ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) ; GCN: liveins: $sgpr0, $sgpr1 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc ; GCN: bb.1: ; GCN: liveins: $vgpr0 ; GCN: EXP_DONE 8, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec ; GCN: S_ENDPGM 0 ; GCN: bb.2: ; GCN: $exec = S_MOV_B64 0 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GFX11: EXP_DONE 8, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec ; GCN: S_ENDPGM 0 bb.0: liveins: $sgpr0, $sgpr1 successors: %bb.1 $vgpr0 = V_MOV_B32_e32 0, implicit $exec dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec bb.1: liveins: $vgpr0 EXP_DONE 8, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec S_ENDPGM 0 ...