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
4 # test pipeliner code genearation by MVE algorithm
5 # compare instruction also updates the counter
10 tracksRegLiveness: true
12 ; CHECK-LABEL: name: func
14 ; CHECK-NEXT: successors: %bb.3(0x80000000)
15 ; CHECK-NEXT: liveins: $x0, $x1
17 ; CHECK-NEXT: dead [[COPY:%[0-9]+]]:gpr64 = COPY $x0
18 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x1
19 ; CHECK-NEXT: [[FMOVDi:%[0-9]+]]:fpr64 = FMOVDi 1
23 ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.7(0x40000000)
25 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY1]], [[COPY1]], implicit-def $nzcv
26 ; CHECK-NEXT: [[CSINCXr:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv
27 ; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64 = ADDXrr [[COPY1]], [[COPY1]]
28 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr]], [[COPY1]], implicit-def $nzcv
29 ; CHECK-NEXT: [[CSINCXr1:%[0-9]+]]:gpr64common = CSINCXr [[CSINCXr]], [[CSINCXr]], 1, implicit $nzcv
30 ; CHECK-NEXT: [[ADDXrr1:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr]], [[COPY1]]
31 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr1]], [[COPY1]], implicit-def $nzcv
32 ; CHECK-NEXT: [[CSINCXr2:%[0-9]+]]:gpr64common = CSINCXr [[CSINCXr1]], [[CSINCXr1]], 1, implicit $nzcv
33 ; CHECK-NEXT: [[ADDXrr2:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr1]], [[COPY1]]
34 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr2]], [[COPY1]], implicit-def $nzcv
35 ; CHECK-NEXT: [[CSINCXr3:%[0-9]+]]:gpr64common = CSINCXr [[CSINCXr2]], [[CSINCXr2]], 1, implicit $nzcv
36 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr3]], 0, 0, implicit-def $nzcv
37 ; CHECK-NEXT: Bcc 0, %bb.4, implicit $nzcv
41 ; CHECK-NEXT: successors: %bb.5(0x80000000)
43 ; CHECK-NEXT: dead $xzr = SUBSXrr [[COPY1]], [[COPY1]], implicit-def $nzcv
44 ; CHECK-NEXT: [[FADDDrr:%[0-9]+]]:fpr64 = FADDDrr [[FMOVDi]], [[FMOVDi]], implicit $fpcr
45 ; CHECK-NEXT: [[ADDXrr3:%[0-9]+]]:gpr64 = ADDXrr [[COPY1]], [[COPY1]]
46 ; CHECK-NEXT: [[FADDDrr1:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr]], [[FMOVDi]], implicit $fpcr
49 ; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.6(0x40000000)
51 ; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr64 = PHI [[FADDDrr5:%[0-9]+]], %bb.5, [[FMOVDi]], %bb.4
52 ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr64 = PHI [[ADDXrr5:%[0-9]+]], %bb.5, [[COPY1]], %bb.4
53 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:fpr64 = PHI [[FADDDrr8:%[0-9]+]], %bb.5, [[FADDDrr]], %bb.4
54 ; CHECK-NEXT: [[PHI3:%[0-9]+]]:gpr64 = PHI [[ADDXrr6:%[0-9]+]], %bb.5, [[ADDXrr3]], %bb.4
55 ; CHECK-NEXT: [[PHI4:%[0-9]+]]:fpr64 = PHI [[FADDDrr10:%[0-9]+]], %bb.5, [[FADDDrr1]], %bb.4
56 ; CHECK-NEXT: dead $xzr = SUBSXrr [[PHI3]], [[COPY1]], implicit-def $nzcv
57 ; CHECK-NEXT: [[FADDDrr2:%[0-9]+]]:fpr64 = FADDDrr [[FMOVDi]], [[PHI2]], implicit $fpcr
58 ; CHECK-NEXT: [[ADDXrr4:%[0-9]+]]:gpr64 = ADDXrr [[PHI3]], [[COPY1]]
59 ; CHECK-NEXT: [[FADDDrr3:%[0-9]+]]:fpr64 = FADDDrr [[PHI4]], [[PHI]], implicit $fpcr
60 ; CHECK-NEXT: [[FADDDrr4:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr2]], [[PHI2]], implicit $fpcr
61 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr4]], [[COPY1]], implicit-def $nzcv
62 ; CHECK-NEXT: [[FADDDrr5]]:fpr64 = FADDDrr [[FMOVDi]], [[FADDDrr2]], implicit $fpcr
63 ; CHECK-NEXT: [[ADDXrr5]]:gpr64 = ADDXrr [[ADDXrr4]], [[COPY1]]
64 ; CHECK-NEXT: [[FADDDrr6:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr4]], [[PHI2]], implicit $fpcr
65 ; CHECK-NEXT: [[FADDDrr7:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr5]], [[FADDDrr2]], implicit $fpcr
66 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr5]], [[COPY1]], implicit-def $nzcv
67 ; CHECK-NEXT: [[FADDDrr8]]:fpr64 = FADDDrr [[FMOVDi]], [[FADDDrr5]], implicit $fpcr
68 ; CHECK-NEXT: [[ADDXrr6]]:gpr64 = ADDXrr [[ADDXrr5]], [[COPY1]]
69 ; CHECK-NEXT: [[FADDDrr9:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr7]], [[FADDDrr2]], implicit $fpcr
70 ; CHECK-NEXT: [[FADDDrr10]]:fpr64 = FADDDrr [[FADDDrr8]], [[FADDDrr5]], implicit $fpcr
71 ; CHECK-NEXT: [[CSINCXr4:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv
72 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr6]], [[COPY1]], implicit-def $nzcv
73 ; CHECK-NEXT: [[CSINCXr5:%[0-9]+]]:gpr64common = CSINCXr [[CSINCXr4]], [[CSINCXr4]], 1, implicit $nzcv
74 ; CHECK-NEXT: [[ADDXrr7:%[0-9]+]]:gpr64 = ADDXrr [[ADDXrr6]], [[COPY1]]
75 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr7]], [[COPY1]], implicit-def $nzcv
76 ; CHECK-NEXT: [[CSINCXr6:%[0-9]+]]:gpr64common = CSINCXr [[CSINCXr5]], [[CSINCXr5]], 1, implicit $nzcv
77 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr6]], 0, 0, implicit-def $nzcv
78 ; CHECK-NEXT: Bcc 0, %bb.5, implicit $nzcv
82 ; CHECK-NEXT: successors: %bb.7(0x40000000), %bb.2(0x40000000)
84 ; CHECK-NEXT: [[FADDDrr11:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr10]], [[FADDDrr5]], implicit $fpcr
85 ; CHECK-NEXT: dead $xzr = SUBSXrr [[ADDXrr5]], [[COPY1]], implicit-def $nzcv
86 ; CHECK-NEXT: [[CSINCXr7:%[0-9]+]]:gpr64common = CSINCXr $xzr, $xzr, 1, implicit $nzcv
87 ; CHECK-NEXT: dead $xzr = SUBSXri [[CSINCXr7]], 0, 0, implicit-def $nzcv
88 ; CHECK-NEXT: Bcc 0, %bb.7, implicit $nzcv
92 ; CHECK-NEXT: successors: %bb.1(0x80000000)
94 ; CHECK-NEXT: [[PHI5:%[0-9]+]]:fpr64 = PHI [[FMOVDi]], %bb.3, [[FADDDrr8]], %bb.6
95 ; CHECK-NEXT: [[PHI6:%[0-9]+]]:gpr64 = PHI [[COPY1]], %bb.3, [[ADDXrr6]], %bb.6
99 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
101 ; CHECK-NEXT: [[PHI7:%[0-9]+]]:gpr64 = PHI [[PHI6]], %bb.7, [[ADDXrr8:%[0-9]+]], %bb.1
102 ; CHECK-NEXT: [[PHI8:%[0-9]+]]:fpr64 = PHI [[PHI5]], %bb.7, [[FADDDrr12:%[0-9]+]], %bb.1
103 ; CHECK-NEXT: dead $xzr = SUBSXrr [[PHI7]], [[COPY1]], implicit-def $nzcv
104 ; CHECK-NEXT: [[ADDXrr8]]:gpr64 = ADDXrr [[PHI7]], [[COPY1]]
105 ; CHECK-NEXT: [[FADDDrr12]]:fpr64 = FADDDrr [[FMOVDi]], [[PHI8]], implicit $fpcr
106 ; CHECK-NEXT: [[FADDDrr13:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr12]], [[PHI8]], implicit $fpcr
107 ; CHECK-NEXT: [[FADDDrr14:%[0-9]+]]:fpr64 = FADDDrr [[FADDDrr13]], [[PHI8]], implicit $fpcr
108 ; CHECK-NEXT: Bcc 1, %bb.1, implicit $nzcv
109 ; CHECK-NEXT: B %bb.2
112 ; CHECK-NEXT: [[PHI9:%[0-9]+]]:fpr64 = PHI [[FADDDrr12]], %bb.1, [[FADDDrr8]], %bb.6
113 ; CHECK-NEXT: [[PHI10:%[0-9]+]]:fpr64 = PHI [[FADDDrr14]], %bb.1, [[FADDDrr11]], %bb.6
114 ; CHECK-NEXT: [[FMULDrr:%[0-9]+]]:fpr64 = FMULDrr [[PHI9]], [[PHI10]], implicit $fpcr
115 ; CHECK-NEXT: $d0 = COPY [[FMULDrr]]
116 ; CHECK-NEXT: RET_ReallyLR implicit $d0
124 %12:gpr64 = PHI %11, %bb.0, %13, %bb.1
125 %24:fpr64 = PHI %20, %bb.0, %21, %bb.1
126 dead $xzr = SUBSXrr %12, %11, implicit-def $nzcv
127 %13:gpr64 = ADDXrr %12, %11
128 %21:fpr64 = FADDDrr %20, %24, implicit $fpcr
129 %22:fpr64 = FADDDrr %21, %24, implicit $fpcr
130 %23:fpr64 = FADDDrr %22, %24, implicit $fpcr
131 Bcc 1, %bb.1, implicit $nzcv
135 %25:fpr64 = FMULDrr %21, %23, implicit $fpcr
137 RET_ReallyLR implicit $d0