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# #stages: 2, unroll count: 1 6 7... 8--- 9name: func 10tracksRegLiveness: true 11body: | 12 ; CHECK-LABEL: name: func 13 ; CHECK: bb.0.entry: 14 ; CHECK-NEXT: successors: %bb.3(0x80000000) 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: B %bb.3 21 ; CHECK-NEXT: {{ $}} 22 ; CHECK-NEXT: bb.3: 23 ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.7(0x40000000) 24 ; CHECK-NEXT: {{ $}} 25 ; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[COPY1]], [[COPY1]] 26 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr]], implicit-def $nzcv 27 ; CHECK-NEXT: [[CSINCXr:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv 28 ; CHECK-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr]], [[COPY1]] 29 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr1]], implicit-def $nzcv 30 ; CHECK-NEXT: [[CSINCXr1:%[0-9]+]]:gpr64common = CSINCXr [[CSINCXr]], [[CSINCXr]], 1, implicit $nzcv 31 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr1]], 0, 0, implicit-def $nzcv 32 ; CHECK-NEXT: Bcc 0, %bb.4, implicit $nzcv 33 ; CHECK-NEXT: B %bb.7 34 ; CHECK-NEXT: {{ $}} 35 ; CHECK-NEXT: bb.4: 36 ; CHECK-NEXT: successors: %bb.5(0x80000000) 37 ; CHECK-NEXT: {{ $}} 38 ; CHECK-NEXT: [[FADDDrr:%[0-9]+]]:fpr64 = FADDDrr [[FMOVDi]], [[FMOVDi]], implicit $fpcr 39 ; CHECK-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[COPY1]], [[COPY1]] 40 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr2]], implicit-def $nzcv 41 ; CHECK-NEXT: [[FADDDrr1:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr]], [[FADDDrr]], implicit $fpcr 42 ; CHECK-NEXT: {{ $}} 43 ; CHECK-NEXT: bb.5: 44 ; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.6(0x40000000) 45 ; CHECK-NEXT: {{ $}} 46 ; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr64 = PHI [[FADDDrr2:%[0-9]+]], %bb.5, [[FADDDrr]], %bb.4 47 ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr64 = PHI [[ADDXrr3:%[0-9]+]], %bb.5, [[ADDXrr2]], %bb.4 48 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:fpr64 = PHI [[FADDDrr4:%[0-9]+]], %bb.5, [[FADDDrr1]], %bb.4 49 ; CHECK-NEXT: [[FADDDrr2]]:fpr64 = FADDDrr [[FMOVDi]], [[PHI]], implicit $fpcr 50 ; CHECK-NEXT: [[ADDXrr3]]:gpr64 = ADDXrr [[PHI1]], [[COPY1]] 51 ; CHECK-NEXT: [[FADDDrr3:%[0-9]+]]:fpr64 = FADDDrr [[PHI2]], [[PHI2]], implicit $fpcr 52 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr3]], implicit-def $nzcv 53 ; CHECK-NEXT: [[FADDDrr4]]:fpr64 = FADDDrr [[FADDDrr2]], [[FADDDrr2]], implicit $fpcr 54 ; CHECK-NEXT: [[CSINCXr2:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv 55 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr2]], 0, 0, implicit-def $nzcv 56 ; CHECK-NEXT: Bcc 0, %bb.5, implicit $nzcv 57 ; CHECK-NEXT: B %bb.6 58 ; CHECK-NEXT: {{ $}} 59 ; CHECK-NEXT: bb.6: 60 ; CHECK-NEXT: successors: %bb.7(0x40000000), %bb.2(0x40000000) 61 ; CHECK-NEXT: {{ $}} 62 ; CHECK-NEXT: [[FADDDrr5:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr4]], [[FADDDrr4]], implicit $fpcr 63 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr3]], implicit-def $nzcv 64 ; CHECK-NEXT: [[CSINCXr3:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv 65 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr3]], 0, 0, implicit-def $nzcv 66 ; CHECK-NEXT: Bcc 0, %bb.7, implicit $nzcv 67 ; CHECK-NEXT: B %bb.2 68 ; CHECK-NEXT: {{ $}} 69 ; CHECK-NEXT: bb.7: 70 ; CHECK-NEXT: successors: %bb.1(0x80000000) 71 ; CHECK-NEXT: {{ $}} 72 ; CHECK-NEXT: [[PHI3:%[0-9]+]]:fpr64 = PHI [[FMOVDi]], %bb.3, [[FADDDrr2]], %bb.6 73 ; CHECK-NEXT: [[PHI4:%[0-9]+]]:gpr64 = PHI [[COPY1]], %bb.3, [[ADDXrr3]], %bb.6 74 ; CHECK-NEXT: B %bb.1 75 ; CHECK-NEXT: {{ $}} 76 ; CHECK-NEXT: bb.1: 77 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) 78 ; CHECK-NEXT: {{ $}} 79 ; CHECK-NEXT: [[PHI5:%[0-9]+]]:gpr64 = PHI [[PHI4]], %bb.7, [[ADDXrr4:%[0-9]+]], %bb.1 80 ; CHECK-NEXT: [[PHI6:%[0-9]+]]:fpr64 = PHI [[PHI3]], %bb.7, [[FADDDrr6:%[0-9]+]], %bb.1 81 ; CHECK-NEXT: [[ADDXrr4]]:gpr64 = ADDXrr [[PHI5]], [[COPY1]] 82 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY]], [[ADDXrr4]], implicit-def $nzcv 83 ; CHECK-NEXT: [[FADDDrr6]]:fpr64 = FADDDrr [[FMOVDi]], [[PHI6]], implicit $fpcr 84 ; CHECK-NEXT: [[FADDDrr7:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr6]], [[FADDDrr6]], implicit $fpcr 85 ; CHECK-NEXT: [[FADDDrr8:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr7]], [[FADDDrr7]], implicit $fpcr 86 ; CHECK-NEXT: Bcc 1, %bb.1, implicit $nzcv 87 ; CHECK-NEXT: B %bb.2 88 ; CHECK-NEXT: {{ $}} 89 ; CHECK-NEXT: bb.2: 90 ; CHECK-NEXT: [[PHI7:%[0-9]+]]:fpr64 = PHI [[FADDDrr6]], %bb.1, [[FADDDrr2]], %bb.6 91 ; CHECK-NEXT: [[PHI8:%[0-9]+]]:fpr64 = PHI [[FADDDrr8]], %bb.1, [[FADDDrr5]], %bb.6 92 ; CHECK-NEXT: [[FMULDrr:%[0-9]+]]:fpr64 = FMULDrr [[PHI7]], [[PHI8]], implicit $fpcr 93 ; CHECK-NEXT: $d0 = COPY [[FMULDrr]] 94 ; CHECK-NEXT: RET_ReallyLR implicit $d0 95 bb.0.entry: 96 liveins: $x0, $x1 97 %10:gpr64 = COPY $x0 98 %11:gpr64 = COPY $x1 99 %20:fpr64 = FMOVDi 1 100 101 bb.1: 102 %12:gpr64 = PHI %11, %bb.0, %13, %bb.1 103 %24:fpr64 = PHI %20, %bb.0, %21, %bb.1 104 %13:gpr64 = ADDXrr %12, %11 105 dead $xzr = SUBSXrr %10, %13, implicit-def $nzcv 106 %21:fpr64 = FADDDrr %20, %24, implicit $fpcr 107 %22:fpr64 = FADDDrr %21, %21, implicit $fpcr 108 %23:fpr64 = FADDDrr %22, %22, implicit $fpcr 109 Bcc 1, %bb.1, implicit $nzcv 110 B %bb.2 111 112 bb.2: 113 %25:fpr64 = FMULDrr %21, %23, implicit $fpcr 114 $d0 = COPY %25 115 RET_ReallyLR implicit $d0 116... 117