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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
declare i4 @llvm.abs.i4(i4, i1)
define i1 @icmp_sge_abs(i4 %arg) {
; CHECK-LABEL: @icmp_sge_abs(
; CHECK-NEXT: ret i1 true
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp sge i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_sge_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_sge_abs_false(
; CHECK-NEXT: ret i1 true
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp sge i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_eq_abs(i4 %arg) {
; CHECK-LABEL: @icmp_eq_abs(
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[ARG:%.*]], -1
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp eq i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_eq_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_eq_abs_false(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i4 [[ARG:%.*]], -7
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp eq i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ne_abs(i4 %arg) {
; CHECK-LABEL: @icmp_ne_abs(
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i4 [[ARG:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp ne i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ne_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_ne_abs_false(
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i4 [[ARG:%.*]], -8
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp ne i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_sle_abs(i4 %arg) {
; CHECK-LABEL: @icmp_sle_abs(
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[ARG:%.*]], -1
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp sle i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_sle_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_sle_abs_false(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i4 [[ARG:%.*]], -7
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp sle i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_slt_abs(i4 %arg) {
; CHECK-LABEL: @icmp_slt_abs(
; CHECK-NEXT: ret i1 false
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp slt i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_slt_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_slt_abs_false(
; CHECK-NEXT: ret i1 false
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp slt i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_sgt_abs(i4 %arg) {
; CHECK-LABEL: @icmp_sgt_abs(
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i4 [[ARG:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp sgt i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_sgt_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_sgt_abs_false(
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i4 [[ARG:%.*]], -8
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp sgt i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ugt_abs(i4 %arg) {
; CHECK-LABEL: @icmp_ugt_abs(
; CHECK-NEXT: ret i1 false
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp ugt i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ugt_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_ugt_abs_false(
; CHECK-NEXT: ret i1 false
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp ugt i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_uge_abs(i4 %arg) {
; CHECK-LABEL: @icmp_uge_abs(
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[ARG:%.*]], -1
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp uge i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_uge_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_uge_abs_false(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i4 [[ARG:%.*]], -7
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp uge i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ule_abs(i4 %arg) {
; CHECK-LABEL: @icmp_ule_abs(
; CHECK-NEXT: ret i1 true
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp ule i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ule_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_ule_abs_false(
; CHECK-NEXT: ret i1 true
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp ule i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ult_abs(i4 %arg) {
; CHECK-LABEL: @icmp_ult_abs(
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i4 [[ARG:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp ult i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_ult_abs_false(i4 %arg) {
; CHECK-LABEL: @icmp_ult_abs_false(
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i4 [[ARG:%.*]], -8
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
%cmp = icmp ult i4 %abs, %arg
ret i1 %cmp
}
define i1 @icmp_sge_abs2(i4 %arg) {
; CHECK-LABEL: @icmp_sge_abs2(
; CHECK-NEXT: [[X:%.*]] = mul i4 [[ARG:%.*]], [[ARG]]
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[X]], -1
; CHECK-NEXT: ret i1 [[CMP]]
;
%x = mul i4 %arg, %arg ; thwart complexity-based canonicalization
%abs = call i4 @llvm.abs.i4(i4 %x, i1 true)
%cmp = icmp sge i4 %x, %abs
ret i1 %cmp
}
define i1 @icmp_sge_abs_mismatched_op(i4 %arg, i4 %arg2) {
; CHECK-LABEL: @icmp_sge_abs_mismatched_op(
; CHECK-NEXT: [[ABS:%.*]] = call i4 @llvm.abs.i4(i4 [[ARG:%.*]], i1 true)
; CHECK-NEXT: [[CMP:%.*]] = icmp sge i4 [[ABS]], [[ARG2:%.*]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
%cmp = icmp sge i4 %abs, %arg2
ret i1 %cmp
}
|