1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=aarch64-mi-peephole-opt -o - -mtriple=aarch64-unknown-linux -verify-machineinstrs %s | FileCheck %s
# Main intention is to verify machine instructions have valid register classes.
# Use of UBFM[W|X]ri is used as an arbitrary instruction that requires GPR[32|64]RegClass.
# If the ADD/SUB optimization generates invalid register classes, this test will fail.
---
name: addi
body: |
bb.0.entry:
liveins: $w0
; CHECK-LABEL: name: addi
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w0
; CHECK-NEXT: [[ADDWri:%[0-9]+]]:gpr32sp = ADDWri [[COPY]], 273, 12
; CHECK-NEXT: [[ADDWri1:%[0-9]+]]:gpr32common = ADDWri [[ADDWri]], 3549, 0
; CHECK-NEXT: [[UBFMWri:%[0-9]+]]:gpr32 = UBFMWri [[ADDWri1]], 28, 31
; CHECK-NEXT: $w0 = COPY [[UBFMWri]]
; CHECK-NEXT: RET_ReallyLR implicit $w0
%0:gpr32 = COPY $w0
%1:gpr32 = MOVi32imm 1121757
%2:gpr32 = ADDWrr %0, %1
%3:gpr32 = UBFMWri %2, 28, 31
$w0 = COPY %3
RET_ReallyLR implicit $w0
...
---
name: addl
body: |
bb.0.entry:
liveins: $x0
; CHECK-LABEL: name: addl
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0
; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64sp = ADDXri [[COPY]], 273, 12
; CHECK-NEXT: [[ADDXri1:%[0-9]+]]:gpr64common = ADDXri [[ADDXri]], 3549, 0
; CHECK-NEXT: [[UBFMXri:%[0-9]+]]:gpr64 = UBFMXri [[ADDXri1]], 28, 31
; CHECK-NEXT: $x0 = COPY [[UBFMXri]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr64 = COPY $x0
%1:gpr32 = MOVi32imm 1121757
%2:gpr64 = SUBREG_TO_REG 0, %1, %subreg.sub_32
%3:gpr64 = ADDXrr %0, killed %2
%4:gpr64 = UBFMXri %3, 28, 31
$x0 = COPY %4
RET_ReallyLR implicit $x0
...
---
name: addl_negate
body: |
bb.0.entry:
liveins: $x0
; CHECK-LABEL: name: addl_negate
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0
; CHECK-NEXT: [[SUBXri:%[0-9]+]]:gpr64sp = SUBXri [[COPY]], 273, 12
; CHECK-NEXT: [[SUBXri1:%[0-9]+]]:gpr64common = SUBXri [[SUBXri]], 3549, 0
; CHECK-NEXT: [[UBFMXri:%[0-9]+]]:gpr64 = UBFMXri [[SUBXri1]], 28, 31
; CHECK-NEXT: $x0 = COPY [[UBFMXri]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr64 = COPY $x0
%1:gpr64 = MOVi64imm -1121757
%2:gpr64 = ADDXrr %0, killed %1
%3:gpr64 = UBFMXri %2, 28, 31
$x0 = COPY %3
RET_ReallyLR implicit $x0
...
---
name: add_xzr
body: |
bb.0.entry:
liveins: $x0
; CHECK-LABEL: name: add_xzr
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[MOVi64imm:%[0-9]+]]:gpr64 = MOVi64imm -2105098
; CHECK-NEXT: [[ADDXrr:%[0-9]+]]:gpr64common = ADDXrr $xzr, [[MOVi64imm]]
; CHECK-NEXT: [[MADDXrrr:%[0-9]+]]:gpr64 = MADDXrrr [[COPY]], [[COPY]], [[ADDXrr]]
; CHECK-NEXT: $x0 = COPY [[MADDXrrr]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr64 = COPY $x0
%2:gpr64 = MOVi64imm -2105098
%4:gpr64common = ADDXrr $xzr, %2
%3:gpr64 = MADDXrrr %0, %0, %4
$x0 = COPY %3
RET_ReallyLR implicit $x0
...
---
name: sub_xzr
body: |
bb.0.entry:
liveins: $x0
; CHECK-LABEL: name: sub_xzr
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[MOVi64imm:%[0-9]+]]:gpr64 = MOVi64imm -2105098
; CHECK-NEXT: [[SUBXrr:%[0-9]+]]:gpr64common = SUBXrr $xzr, [[MOVi64imm]]
; CHECK-NEXT: [[MADDXrrr:%[0-9]+]]:gpr64 = MADDXrrr [[COPY]], [[COPY]], [[SUBXrr]]
; CHECK-NEXT: $x0 = COPY [[MADDXrrr]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr64 = COPY $x0
%2:gpr64 = MOVi64imm -2105098
%4:gpr64common = SUBXrr $xzr, %2
%3:gpr64 = MADDXrrr %0, %0, %4
$x0 = COPY %3
RET_ReallyLR implicit $x0
...
---
name: adds_xzr
body: |
bb.0.entry:
liveins: $x0
; CHECK-LABEL: name: adds_xzr
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[MOVi64imm:%[0-9]+]]:gpr64 = MOVi64imm -2105098
; CHECK-NEXT: [[ADDSXrr:%[0-9]+]]:gpr64common = ADDSXrr $xzr, [[MOVi64imm]], implicit-def $nzcv
; CHECK-NEXT: [[MADDXrrr:%[0-9]+]]:gpr64 = MADDXrrr [[COPY]], [[COPY]], [[ADDSXrr]]
; CHECK-NEXT: $x0 = COPY [[MADDXrrr]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr64 = COPY $x0
%2:gpr64 = MOVi64imm -2105098
%4:gpr64common = ADDSXrr $xzr, %2, implicit-def $nzcv
%3:gpr64 = MADDXrrr %0, %0, %4
$x0 = COPY %3
RET_ReallyLR implicit $x0
...
---
name: subs_xzr
body: |
bb.0.entry:
liveins: $x0
; CHECK-LABEL: name: subs_xzr
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
; CHECK-NEXT: [[MOVi64imm:%[0-9]+]]:gpr64 = MOVi64imm -2105098
; CHECK-NEXT: [[SUBSXrr:%[0-9]+]]:gpr64common = SUBSXrr $xzr, [[MOVi64imm]], implicit-def $nzcv
; CHECK-NEXT: [[MADDXrrr:%[0-9]+]]:gpr64 = MADDXrrr [[COPY]], [[COPY]], [[SUBSXrr]]
; CHECK-NEXT: $x0 = COPY [[MADDXrrr]]
; CHECK-NEXT: RET_ReallyLR implicit $x0
%0:gpr64 = COPY $x0
%2:gpr64 = MOVi64imm -2105098
%4:gpr64common = SUBSXrr $xzr, %2, implicit-def $nzcv
%3:gpr64 = MADDXrrr %0, %0, %4
$x0 = COPY %3
RET_ReallyLR implicit $x0
|