1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4 2# RUN: llc --verify-machineinstrs -mtriple=aarch64 -o - %s -run-pass pipeliner -aarch64-enable-pipeliner -pipeliner-mve-cg -pipeliner-force-ii=3 -mcpu=neoverse-n1 2>&1 | FileCheck %s 3 4# test pipeliner code genearation by MVE algorithm 5# no dedicated exit 6 7... 8--- 9name: func 10tracksRegLiveness: true 11body: | 12 ; CHECK-LABEL: name: func 13 ; CHECK: bb.0.entry: 14 ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.1(0x40000000) 15 ; CHECK-NEXT: liveins: $x0, $x1 16 ; CHECK-NEXT: {{ $}} 17 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0 18 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1 19 ; CHECK-NEXT: [[FMOVDi:%[0-9]+]]:fpr64 = FMOVDi 1 20 ; CHECK-NEXT: dead [[SUBSXrr:%[0-9]+]]:gpr64 = SUBSXrr [[COPY]], [[COPY1]], implicit-def $nzcv 21 ; CHECK-NEXT: Bcc 0, %bb.3, implicit $nzcv 22 ; CHECK-NEXT: {{ $}} 23 ; CHECK-NEXT: bb.1: 24 ; CHECK-NEXT: successors: %bb.4(0x80000000) 25 ; CHECK-NEXT: {{ $}} 26 ; CHECK-NEXT: B %bb.4 27 ; CHECK-NEXT: {{ $}} 28 ; CHECK-NEXT: bb.4: 29 ; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.8(0x40000000) 30 ; CHECK-NEXT: {{ $}} 31 ; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[COPY1]], [[COPY1]] 32 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr]], implicit-def $nzcv 33 ; CHECK-NEXT: [[CSINCXr:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv 34 ; CHECK-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr]], [[COPY1]] 35 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr1]], implicit-def $nzcv 36 ; CHECK-NEXT: [[CSINCXr1:%[0-9]+]]:gpr64common = CSINCXr [[CSINCXr]], [[CSINCXr]], 1, implicit $nzcv 37 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr1]], 0, 0, implicit-def $nzcv 38 ; CHECK-NEXT: Bcc 0, %bb.5, implicit $nzcv 39 ; CHECK-NEXT: B %bb.8 40 ; CHECK-NEXT: {{ $}} 41 ; CHECK-NEXT: bb.5: 42 ; CHECK-NEXT: successors: %bb.6(0x80000000) 43 ; CHECK-NEXT: {{ $}} 44 ; CHECK-NEXT: [[FADDDrr:%[0-9]+]]:fpr64 = FADDDrr [[FMOVDi]], [[FMOVDi]], implicit $fpcr 45 ; CHECK-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[COPY1]], [[COPY1]] 46 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr2]], implicit-def $nzcv 47 ; CHECK-NEXT: [[FADDDrr1:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr]], [[FADDDrr]], implicit $fpcr 48 ; CHECK-NEXT: {{ $}} 49 ; CHECK-NEXT: bb.6: 50 ; CHECK-NEXT: successors: %bb.6(0x40000000), %bb.7(0x40000000) 51 ; CHECK-NEXT: {{ $}} 52 ; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr64 = PHI [[FADDDrr2:%[0-9]+]], %bb.6, [[FADDDrr]], %bb.5 53 ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr64 = PHI [[ADDXrr3:%[0-9]+]], %bb.6, [[ADDXrr2]], %bb.5 54 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:fpr64 = PHI [[FADDDrr4:%[0-9]+]], %bb.6, [[FADDDrr1]], %bb.5 55 ; CHECK-NEXT: [[FADDDrr2]]:fpr64 = FADDDrr [[FMOVDi]], [[PHI]], implicit $fpcr 56 ; CHECK-NEXT: [[ADDXrr3]]:gpr64 = ADDXrr [[PHI1]], [[COPY1]] 57 ; CHECK-NEXT: [[FADDDrr3:%[0-9]+]]:fpr64 = FADDDrr [[PHI2]], [[PHI2]], implicit $fpcr 58 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr3]], implicit-def $nzcv 59 ; CHECK-NEXT: [[FADDDrr4]]:fpr64 = FADDDrr [[FADDDrr2]], [[FADDDrr2]], implicit $fpcr 60 ; CHECK-NEXT: [[CSINCXr2:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv 61 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr2]], 0, 0, implicit-def $nzcv 62 ; CHECK-NEXT: Bcc 0, %bb.6, implicit $nzcv 63 ; CHECK-NEXT: B %bb.7 64 ; CHECK-NEXT: {{ $}} 65 ; CHECK-NEXT: bb.7: 66 ; CHECK-NEXT: successors: %bb.8(0x40000000), %bb.9(0x40000000) 67 ; CHECK-NEXT: {{ $}} 68 ; CHECK-NEXT: [[FADDDrr5:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr4]], [[FADDDrr4]], implicit $fpcr 69 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr3]], implicit-def $nzcv 70 ; CHECK-NEXT: [[CSINCXr3:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv 71 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr3]], 0, 0, implicit-def $nzcv 72 ; CHECK-NEXT: Bcc 0, %bb.8, implicit $nzcv 73 ; CHECK-NEXT: B %bb.9 74 ; CHECK-NEXT: {{ $}} 75 ; CHECK-NEXT: bb.8: 76 ; CHECK-NEXT: successors: %bb.2(0x80000000) 77 ; CHECK-NEXT: {{ $}} 78 ; CHECK-NEXT: [[PHI3:%[0-9]+]]:fpr64 = PHI [[FMOVDi]], %bb.4, [[FADDDrr2]], %bb.7 79 ; CHECK-NEXT: [[PHI4:%[0-9]+]]:gpr64 = PHI [[COPY1]], %bb.4, [[ADDXrr3]], %bb.7 80 ; CHECK-NEXT: B %bb.2 81 ; CHECK-NEXT: {{ $}} 82 ; CHECK-NEXT: bb.9: 83 ; CHECK-NEXT: successors: %bb.3(0x80000000) 84 ; CHECK-NEXT: {{ $}} 85 ; CHECK-NEXT: [[PHI5:%[0-9]+]]:fpr64 = PHI [[FADDDrr8:%[0-9]+]], %bb.2, [[FADDDrr5]], %bb.7 86 ; CHECK-NEXT: B %bb.3 87 ; CHECK-NEXT: {{ $}} 88 ; CHECK-NEXT: bb.2: 89 ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.9(0x40000000) 90 ; CHECK-NEXT: {{ $}} 91 ; CHECK-NEXT: [[PHI6:%[0-9]+]]:gpr64 = PHI [[PHI4]], %bb.8, [[ADDXrr4:%[0-9]+]], %bb.2 92 ; CHECK-NEXT: [[PHI7:%[0-9]+]]:fpr64 = PHI [[PHI3]], %bb.8, [[FADDDrr6:%[0-9]+]], %bb.2 93 ; CHECK-NEXT: [[ADDXrr4]]:gpr64 = ADDXrr [[PHI6]], [[COPY1]] 94 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr4]], implicit-def $nzcv 95 ; CHECK-NEXT: [[FADDDrr6]]:fpr64 = FADDDrr [[FMOVDi]], [[PHI7]], implicit $fpcr 96 ; CHECK-NEXT: [[FADDDrr7:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr6]], [[FADDDrr6]], implicit $fpcr 97 ; CHECK-NEXT: [[FADDDrr8]]:fpr64 = FADDDrr [[FADDDrr7]], [[FADDDrr7]], implicit $fpcr 98 ; CHECK-NEXT: Bcc 1, %bb.2, implicit $nzcv 99 ; CHECK-NEXT: B %bb.9 100 ; CHECK-NEXT: {{ $}} 101 ; CHECK-NEXT: bb.3: 102 ; CHECK-NEXT: [[PHI8:%[0-9]+]]:fpr64 = PHI [[FMOVDi]], %bb.0, [[PHI5]], %bb.9 103 ; CHECK-NEXT: $d0 = COPY [[PHI8]] 104 ; CHECK-NEXT: RET_ReallyLR implicit $d0 105 bb.0.entry: 106 liveins: $x0, $x1 107 %10:gpr64 = COPY $x0 108 %11:gpr64 = COPY $x1 109 %20:fpr64 = FMOVDi 1 110 dead %15:gpr64 = SUBSXrr %10, %11, implicit-def $nzcv 111 Bcc 0, %bb.3, implicit $nzcv 112 113 bb.1: 114 115 bb.2: 116 %12:gpr64 = PHI %11, %bb.1, %13, %bb.2 117 %24:fpr64 = PHI %20, %bb.1, %21, %bb.2 118 %13:gpr64 = ADDXrr %12, %11 119 dead $xzr = SUBSXrr %10, %13, implicit-def $nzcv 120 %21:fpr64 = FADDDrr %20, %24, implicit $fpcr 121 %22:fpr64 = FADDDrr %21, %21, implicit $fpcr 122 %23:fpr64 = FADDDrr %22, %22, implicit $fpcr 123 Bcc 1, %bb.2, implicit $nzcv 124 B %bb.3 125 126 bb.3: 127 %25:fpr64 = PHI %20, %bb.0, %23, %bb.2 128 $d0 = COPY %25 129 RET_ReallyLR implicit $d0 130... 131