1 # RUN: llc -march=amdgcn -verify-machineinstrs -run-pass=simple-register-coalescing,rename-independent-subregs -o - %s | FileCheck -check-prefix=GCN %s 2 --- 3 4 # GCN-LABEL: name: mac_invalid_operands 5 # GCN: undef %18.sub0:vreg_128 = V_MAC_F32_e32 undef %3:vgpr_32, undef %9:vgpr_32, undef %18.sub0, implicit $exec 6 7 name: mac_invalid_operands 8 alignment: 0 9 exposesReturnsTwice: false 10 legalized: false 11 regBankSelected: false 12 selected: false 13 tracksRegLiveness: true 14 registers: 15 - { id: 0, class: vreg_128 } 16 - { id: 1, class: vreg_128 } 17 - { id: 2, class: sgpr_64 } 18 - { id: 3, class: vgpr_32 } 19 - { id: 4, class: vgpr_32 } 20 - { id: 5, class: vgpr_32 } 21 - { id: 6, class: vgpr_32 } 22 - { id: 7, class: sreg_64 } 23 - { id: 8, class: vgpr_32 } 24 - { id: 9, class: vgpr_32 } 25 - { id: 10, class: vreg_64 } 26 - { id: 11, class: vreg_64 } 27 - { id: 12, class: vreg_128 } 28 - { id: 13, class: vreg_128 } 29 - { id: 14, class: vgpr_32 } 30 - { id: 15, class: vreg_64 } 31 - { id: 16, class: vgpr_32 } 32 - { id: 17, class: vreg_128 } 33 body: | 34 bb.0: 35 successors: %bb.2, %bb.1 36 37 %7 = V_CMP_NEQ_F32_e64 0, 0, 0, undef %3, 0, implicit $exec 38 $vcc = COPY killed %7 39 S_CBRANCH_VCCZ %bb.2, implicit killed $vcc 40 41 bb.1: 42 successors: %bb.3 43 44 %4 = V_ADD_F32_e32 undef %6, undef %5, implicit $exec 45 undef %12.sub0 = COPY killed %4 46 %17 = COPY killed %12 47 S_BRANCH %bb.3 48 49 bb.2: 50 successors: %bb.3 51 52 %8 = V_MAC_F32_e32 undef %3, undef %9, undef %8, implicit $exec 53 undef %13.sub0 = COPY %8 54 %13.sub1 = COPY %8 55 %13.sub2 = COPY killed %8 56 %0 = COPY killed %13 57 %17 = COPY killed %0 58 59 bb.3: 60 %1 = COPY killed %17 61 FLAT_STORE_DWORD undef %10, %1.sub2, 0, 0, 0, implicit $exec, implicit $flat_scr 62 %14 = COPY %1.sub1 63 %16 = COPY killed %1.sub0 64 undef %15.sub0 = COPY killed %16 65 %15.sub1 = COPY killed %14 66 FLAT_STORE_DWORDX2 undef %11, killed %15, 0, 0, 0, implicit $exec, implicit $flat_scr 67 S_ENDPGM 68 69 ... 70 --- 71 # Make sure others uses after the mac are properly handled and not 72 # left unreplaced due to iterator issues from substituteRegister. 73 74 # GCN-LABEL: name: vreg_does_not_dominate 75 76 # GCN: undef %8.sub1:vreg_128 = V_MAC_F32_e32 undef %2:vgpr_32, undef %1:vgpr_32, undef %8.sub1, implicit $exec 77 # GCN: undef %7.sub0:vreg_128 = V_MOV_B32_e32 0, implicit $exec 78 # GCN: undef %9.sub2:vreg_128 = COPY %7.sub0 79 80 # GCN: undef %6.sub3:vreg_128 = V_ADD_F32_e32 undef %3:vgpr_32, undef %3:vgpr_32, implicit $exec 81 # GCN: undef %7.sub0:vreg_128 = V_ADD_F32_e64 0, 0, 0, 0, 0, 0, implicit $exec 82 # GCN: %8.sub1:vreg_128 = V_ADD_F32_e32 %8.sub1, %8.sub1, implicit $exec 83 84 # GCN: BUFFER_STORE_DWORD_OFFEN %6.sub3, %0, 85 # GCN: BUFFER_STORE_DWORD_OFFEN %9.sub2, %0, 86 # GCN: BUFFER_STORE_DWORD_OFFEN %8.sub1, %0, 87 # GCN: BUFFER_STORE_DWORD_OFFEN %7.sub0, %0, 88 name: vreg_does_not_dominate 89 alignment: 0 90 exposesReturnsTwice: false 91 legalized: false 92 regBankSelected: false 93 selected: false 94 tracksRegLiveness: true 95 registers: 96 - { id: 0, class: vgpr_32, preferred-register: '' } 97 - { id: 1, class: vgpr_32, preferred-register: '' } 98 - { id: 2, class: vgpr_32, preferred-register: '' } 99 - { id: 3, class: vgpr_32, preferred-register: '' } 100 - { id: 4, class: vgpr_32, preferred-register: '' } 101 - { id: 5, class: sreg_64, preferred-register: '' } 102 - { id: 6, class: vreg_128, preferred-register: '' } 103 liveins: 104 - { reg: '$vgpr0', virtual-reg: '%0' } 105 - { reg: '$sgpr30_sgpr31', virtual-reg: '%5' } 106 body: | 107 bb.0: 108 successors: %bb.2, %bb.1 109 liveins: $vgpr0, $sgpr30_sgpr31, $sgpr5 110 111 %5 = COPY $sgpr30_sgpr31 112 %0 = COPY $vgpr0 113 undef %6.sub1 = V_MAC_F32_e32 undef %2, undef %1, undef %6.sub1, implicit $exec 114 %6.sub0 = V_MOV_B32_e32 0, implicit $exec 115 %6.sub2 = COPY %6.sub0 116 S_CBRANCH_VCCNZ %bb.2, implicit undef $vcc 117 S_BRANCH %bb.1 118 119 bb.1: 120 successors: %bb.2 121 122 %6.sub3 = V_ADD_F32_e32 undef %3, undef %3, implicit $exec 123 %6.sub0 = V_ADD_F32_e64 0, 0, 0, 0, 0, 0, implicit $exec 124 %6.sub1 = V_ADD_F32_e32 %6.sub1, %6.sub1, implicit $exec 125 %6.sub2 = COPY %6.sub0 126 127 bb.2: 128 BUFFER_STORE_DWORD_OFFEN %6.sub3, %0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 12, 0, 0, 0, implicit $exec 129 BUFFER_STORE_DWORD_OFFEN %6.sub2, %0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 8, 0, 0, 0, implicit $exec 130 BUFFER_STORE_DWORD_OFFEN %6.sub1, %0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec 131 BUFFER_STORE_DWORD_OFFEN %6.sub0, %0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 0, 0, 0, 0, implicit $exec 132 $sgpr30_sgpr31 = COPY %5 133 $sgpr5 = COPY $sgpr5 134 S_SETPC_B64_return $sgpr30_sgpr31, implicit $sgpr5 135 136 ... 137 138 # GCN-LABEL: name: inf_loop_tied_operand 139 # GCN: bb.0: 140 # GCN-NEXT: undef %2.sub0:vreg_128 = V_MAC_F32_e32 1073741824, undef %0:vgpr_32, undef %2.sub0, implicit $exec 141 # GCN-NEXT: dead undef %3.sub1:vreg_128 = COPY %2.sub0 142 143 name: inf_loop_tied_operand 144 tracksRegLiveness: true 145 registers: 146 - { id: 0, class: vgpr_32, preferred-register: '' } 147 - { id: 1, class: vgpr_32, preferred-register: '' } 148 - { id: 2, class: vreg_128, preferred-register: '' } 149 body: | 150 bb.0: 151 %1 = V_MAC_F32_e32 1073741824, undef %0, undef %1, implicit $exec 152 undef %2.sub0 = COPY %1 153 %2.sub1 = COPY %1 154 155 ... 156
