1# RUN: llc -mtriple=amdgcn -run-pass si-fix-sgpr-copies %s -o - | FileCheck %s -check-prefixes=GCN 2# RUN: llc -mtriple=amdgcn -passes=si-fix-sgpr-copies %s -o - | FileCheck %s -check-prefixes=GCN 3 4--- 5 6name: phi_visit_order 7tracksRegLiveness: true 8registers: 9 - { id: 0, class: sreg_32_xm0 } 10 - { id: 1, class: sreg_64 } 11 - { id: 2, class: sreg_32_xm0 } 12 - { id: 7, class: vgpr_32 } 13 - { id: 8, class: sreg_32_xm0 } 14 - { id: 9, class: vgpr_32 } 15 - { id: 10, class: sreg_64 } 16 - { id: 11, class: sreg_32_xm0 } 17 18body: | 19 ; GCN-LABEL: name: phi_visit_order 20 ; GCN: S_ADD_I32 21 bb.0: 22 liveins: $vgpr0 23 %7 = COPY $vgpr0 24 %8 = S_MOV_B32 0 25 26 bb.1: 27 %0 = PHI %8, %bb.0, %0, %bb.1, %2, %bb.2 28 %9 = V_MOV_B32_e32 9, implicit $exec 29 %10 = V_CMP_EQ_U32_e64 %7, %9, implicit $exec 30 %1 = SI_IF %10, %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec 31 S_BRANCH %bb.1 32 33 bb.2: 34 SI_END_CF %1, implicit-def $exec, implicit-def $scc, implicit $exec 35 %11 = S_MOV_B32 1 36 %2 = S_ADD_I32 %0, %11, implicit-def $scc 37 S_BRANCH %bb.1 38 39... 40 41--- 42 43# GCN-LABEL: name: dead_illegal_virtreg_copy 44# GCN: %0:vgpr_32 = COPY $vgpr0 45# GCN: %1:sreg_32_xm0 = IMPLICIT_DEF 46# GCN: S_ENDPGM 0, implicit %0 47 48name: dead_illegal_virtreg_copy 49tracksRegLiveness: true 50 51body: | 52 bb.0: 53 liveins: $vgpr0 54 %0:vgpr_32 = COPY $vgpr0 55 %1:sreg_32_xm0 = COPY %0 56 S_ENDPGM 0, implicit %1 57... 58 59--- 60 61# GCN-LABEL: name: dead_illegal_physreg_copy 62# GCN: %2:vgpr_32 = COPY $vgpr0 63# GCN: %1:sreg_32_xm0 = IMPLICIT_DEF 64# GCN: S_ENDPGM 0, implicit %2 65 66name: dead_illegal_physreg_copy 67tracksRegLiveness: true 68 69body: | 70 bb.0: 71 liveins: $vgpr0 72 %0:sreg_32_xm0 = COPY $vgpr0 73 %1:sreg_32_xm0 = COPY %0 74 S_ENDPGM 0, implicit %1 75... 76 77# Make sure there's no assert when looking at the implicit use on S_ENDPGM 78# GCN-LABEL: name: s_to_v_copy_implicit_use 79# GCN: %0:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM undef %1:sreg_64, 0, 0 :: (load (s32), addrspace 4) 80# GCN-NEXT: %2:vgpr_32 = COPY %0 81# GCN-NEXT: S_ENDPGM 0, implicit %2 82--- 83name: s_to_v_copy_implicit_use 84tracksRegLiveness: true 85body: | 86 bb.0: 87 %0:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM undef %2:sreg_64, 0, 0 :: (load (s32), addrspace 4) 88 %1:vgpr_32 = COPY %0 89 S_ENDPGM 0, implicit %1 90 91... 92