Sebastian Pop | 59b61b9 | 2012-10-11 07:32:34 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -analyze -basicaa -da | FileCheck %s |
| 2 | |
| 3 | ; ModuleID = 'SymbolicRDIV.bc' |
| 4 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| 5 | target triple = "x86_64-apple-macosx10.6.0" |
| 6 | |
| 7 | |
| 8 | ;; for (long int i = 0; i < n1; i++) |
| 9 | ;; A[2*i + n1] = ... |
| 10 | ;; for (long int j = 0; j < n2; j++) |
| 11 | ;; ... = A[3*j + 3*n1]; |
| 12 | |
| 13 | define void @symbolicrdiv0(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| 14 | entry: |
| 15 | %cmp4 = icmp eq i64 %n1, 0 |
| 16 | br i1 %cmp4, label %for.cond1.preheader, label %for.body |
| 17 | |
| 18 | for.cond1.preheader: ; preds = %for.body, %entry |
| 19 | %cmp21 = icmp eq i64 %n2, 0 |
| 20 | br i1 %cmp21, label %for.end11, label %for.body4 |
| 21 | |
| 22 | for.body: ; preds = %for.body, %entry |
| 23 | %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| 24 | %conv = trunc i64 %i.05 to i32 |
| 25 | %mul = shl nsw i64 %i.05, 1 |
| 26 | %add = add i64 %mul, %n1 |
| 27 | %arrayidx = getelementptr inbounds i32* %A, i64 %add |
| 28 | store i32 %conv, i32* %arrayidx, align 4 |
| 29 | %inc = add nsw i64 %i.05, 1 |
| 30 | %cmp = icmp ult i64 %inc, %n1 |
| 31 | br i1 %cmp, label %for.body, label %for.cond1.preheader |
| 32 | |
| 33 | for.body4: ; preds = %for.body4, %for.cond1.preheader |
| 34 | %j.03 = phi i64 [ %inc10, %for.body4 ], [ 0, %for.cond1.preheader ] |
| 35 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.cond1.preheader ] |
| 36 | %mul56 = add i64 %j.03, %n1 |
| 37 | %add7 = mul i64 %mul56, 3 |
| 38 | %arrayidx8 = getelementptr inbounds i32* %A, i64 %add7 |
| 39 | %0 = load i32* %arrayidx8, align 4 |
| 40 | ; CHECK: da analyze - none! |
| 41 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 42 | store i32 %0, i32* %B.addr.02, align 4 |
| 43 | %inc10 = add nsw i64 %j.03, 1 |
| 44 | %cmp2 = icmp ult i64 %inc10, %n2 |
| 45 | br i1 %cmp2, label %for.body4, label %for.end11 |
| 46 | |
| 47 | for.end11: ; preds = %for.body4, %for.cond1.preheader |
| 48 | ret void |
| 49 | } |
| 50 | |
| 51 | |
| 52 | ;; for (long int i = 0; i < n1; i++) |
| 53 | ;; A[2*i + 5*n2] = ... |
| 54 | ;; for (long int j = 0; j < n2; j++) |
| 55 | ;; ... = A[3*j + 2*n2]; |
| 56 | |
| 57 | define void @symbolicrdiv1(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| 58 | entry: |
| 59 | %cmp4 = icmp eq i64 %n1, 0 |
| 60 | br i1 %cmp4, label %for.cond2.preheader, label %for.body |
| 61 | |
| 62 | for.cond2.preheader: ; preds = %for.body, %entry |
| 63 | %cmp31 = icmp eq i64 %n2, 0 |
| 64 | br i1 %cmp31, label %for.end12, label %for.body5 |
| 65 | |
| 66 | for.body: ; preds = %for.body, %entry |
| 67 | %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| 68 | %conv = trunc i64 %i.05 to i32 |
| 69 | %mul = shl nsw i64 %i.05, 1 |
| 70 | %mul1 = mul i64 %n2, 5 |
| 71 | %add = add i64 %mul, %mul1 |
| 72 | %arrayidx = getelementptr inbounds i32* %A, i64 %add |
| 73 | store i32 %conv, i32* %arrayidx, align 4 |
| 74 | %inc = add nsw i64 %i.05, 1 |
| 75 | %cmp = icmp ult i64 %inc, %n1 |
| 76 | br i1 %cmp, label %for.body, label %for.cond2.preheader |
| 77 | |
| 78 | for.body5: ; preds = %for.body5, %for.cond2.preheader |
| 79 | %j.03 = phi i64 [ %inc11, %for.body5 ], [ 0, %for.cond2.preheader ] |
| 80 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body5 ], [ %B, %for.cond2.preheader ] |
| 81 | %mul6 = mul nsw i64 %j.03, 3 |
| 82 | %mul7 = shl i64 %n2, 1 |
| 83 | %add8 = add i64 %mul6, %mul7 |
| 84 | %arrayidx9 = getelementptr inbounds i32* %A, i64 %add8 |
| 85 | %0 = load i32* %arrayidx9, align 4 |
| 86 | ; CHECK: da analyze - none! |
| 87 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 88 | store i32 %0, i32* %B.addr.02, align 4 |
| 89 | %inc11 = add nsw i64 %j.03, 1 |
| 90 | %cmp3 = icmp ult i64 %inc11, %n2 |
| 91 | br i1 %cmp3, label %for.body5, label %for.end12 |
| 92 | |
| 93 | for.end12: ; preds = %for.body5, %for.cond2.preheader |
| 94 | ret void |
| 95 | } |
| 96 | |
| 97 | |
| 98 | ;; for (long int i = 0; i < n1; i++) |
| 99 | ;; A[2*i - n2] = ... |
| 100 | ;; for (long int j = 0; j < n2; j++) |
| 101 | ;; ... = A[-j + 2*n1]; |
| 102 | |
| 103 | define void @symbolicrdiv2(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| 104 | entry: |
| 105 | %cmp4 = icmp eq i64 %n1, 0 |
| 106 | br i1 %cmp4, label %for.cond1.preheader, label %for.body |
| 107 | |
| 108 | for.cond1.preheader: ; preds = %for.body, %entry |
| 109 | %cmp21 = icmp eq i64 %n2, 0 |
| 110 | br i1 %cmp21, label %for.end10, label %for.body4 |
| 111 | |
| 112 | for.body: ; preds = %for.body, %entry |
| 113 | %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| 114 | %conv = trunc i64 %i.05 to i32 |
| 115 | %mul = shl nsw i64 %i.05, 1 |
| 116 | %sub = sub i64 %mul, %n2 |
| 117 | %arrayidx = getelementptr inbounds i32* %A, i64 %sub |
| 118 | store i32 %conv, i32* %arrayidx, align 4 |
| 119 | %inc = add nsw i64 %i.05, 1 |
| 120 | %cmp = icmp ult i64 %inc, %n1 |
| 121 | br i1 %cmp, label %for.body, label %for.cond1.preheader |
| 122 | |
| 123 | for.body4: ; preds = %for.body4, %for.cond1.preheader |
| 124 | %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.cond1.preheader ] |
| 125 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.cond1.preheader ] |
| 126 | %mul6 = shl i64 %n1, 1 |
| 127 | %add = sub i64 %mul6, %j.03 |
| 128 | %arrayidx7 = getelementptr inbounds i32* %A, i64 %add |
| 129 | %0 = load i32* %arrayidx7, align 4 |
| 130 | ; CHECK: da analyze - none! |
| 131 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 132 | store i32 %0, i32* %B.addr.02, align 4 |
| 133 | %inc9 = add nsw i64 %j.03, 1 |
| 134 | %cmp2 = icmp ult i64 %inc9, %n2 |
| 135 | br i1 %cmp2, label %for.body4, label %for.end10 |
| 136 | |
| 137 | for.end10: ; preds = %for.body4, %for.cond1.preheader |
| 138 | ret void |
| 139 | } |
| 140 | |
| 141 | |
| 142 | ;; for (long int i = 0; i < n1; i++) |
| 143 | ;; A[-i + n2] = ... |
| 144 | ;; for (long int j = 0; j < n2; j++) |
| 145 | ;; ... = A[j - n1]; |
| 146 | |
| 147 | define void @symbolicrdiv3(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| 148 | entry: |
| 149 | %cmp4 = icmp eq i64 %n1, 0 |
| 150 | br i1 %cmp4, label %for.cond1.preheader, label %for.body |
| 151 | |
| 152 | for.cond1.preheader: ; preds = %for.body, %entry |
| 153 | %cmp21 = icmp eq i64 %n2, 0 |
| 154 | br i1 %cmp21, label %for.end9, label %for.body4 |
| 155 | |
| 156 | for.body: ; preds = %for.body, %entry |
| 157 | %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| 158 | %conv = trunc i64 %i.05 to i32 |
| 159 | %add = sub i64 %n2, %i.05 |
| 160 | %arrayidx = getelementptr inbounds i32* %A, i64 %add |
| 161 | store i32 %conv, i32* %arrayidx, align 4 |
| 162 | %inc = add nsw i64 %i.05, 1 |
| 163 | %cmp = icmp ult i64 %inc, %n1 |
| 164 | br i1 %cmp, label %for.body, label %for.cond1.preheader |
| 165 | |
| 166 | for.body4: ; preds = %for.body4, %for.cond1.preheader |
| 167 | %j.03 = phi i64 [ %inc8, %for.body4 ], [ 0, %for.cond1.preheader ] |
| 168 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.cond1.preheader ] |
| 169 | %sub5 = sub i64 %j.03, %n1 |
| 170 | %arrayidx6 = getelementptr inbounds i32* %A, i64 %sub5 |
| 171 | %0 = load i32* %arrayidx6, align 4 |
| 172 | ; CHECK: da analyze - none! |
| 173 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 174 | store i32 %0, i32* %B.addr.02, align 4 |
| 175 | %inc8 = add nsw i64 %j.03, 1 |
| 176 | %cmp2 = icmp ult i64 %inc8, %n2 |
| 177 | br i1 %cmp2, label %for.body4, label %for.end9 |
| 178 | |
| 179 | for.end9: ; preds = %for.body4, %for.cond1.preheader |
| 180 | ret void |
| 181 | } |
| 182 | |
| 183 | |
| 184 | ;; for (long int i = 0; i < n1; i++) |
| 185 | ;; A[-i + 2*n1] = ... |
| 186 | ;; for (long int j = 0; j < n2; j++) |
| 187 | ;; ... = A[-j + n1]; |
| 188 | |
| 189 | define void @symbolicrdiv4(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| 190 | entry: |
| 191 | %cmp4 = icmp eq i64 %n1, 0 |
| 192 | br i1 %cmp4, label %for.cond1.preheader, label %for.body |
| 193 | |
| 194 | for.cond1.preheader: ; preds = %for.body, %entry |
| 195 | %cmp21 = icmp eq i64 %n2, 0 |
| 196 | br i1 %cmp21, label %for.end10, label %for.body4 |
| 197 | |
| 198 | for.body: ; preds = %for.body, %entry |
| 199 | %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| 200 | %conv = trunc i64 %i.05 to i32 |
| 201 | %mul = shl i64 %n1, 1 |
| 202 | %add = sub i64 %mul, %i.05 |
| 203 | %arrayidx = getelementptr inbounds i32* %A, i64 %add |
| 204 | store i32 %conv, i32* %arrayidx, align 4 |
| 205 | %inc = add nsw i64 %i.05, 1 |
| 206 | %cmp = icmp ult i64 %inc, %n1 |
| 207 | br i1 %cmp, label %for.body, label %for.cond1.preheader |
| 208 | |
| 209 | for.body4: ; preds = %for.body4, %for.cond1.preheader |
| 210 | %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.cond1.preheader ] |
| 211 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.cond1.preheader ] |
| 212 | %add6 = sub i64 %n1, %j.03 |
| 213 | %arrayidx7 = getelementptr inbounds i32* %A, i64 %add6 |
| 214 | %0 = load i32* %arrayidx7, align 4 |
| 215 | ; CHECK: da analyze - none! |
| 216 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 217 | store i32 %0, i32* %B.addr.02, align 4 |
| 218 | %inc9 = add nsw i64 %j.03, 1 |
| 219 | %cmp2 = icmp ult i64 %inc9, %n2 |
| 220 | br i1 %cmp2, label %for.body4, label %for.end10 |
| 221 | |
| 222 | for.end10: ; preds = %for.body4, %for.cond1.preheader |
| 223 | ret void |
| 224 | } |
| 225 | |
| 226 | |
| 227 | ;; for (long int i = 0; i < n1; i++) |
| 228 | ;; A[-i + n2] = ... |
| 229 | ;; for (long int j = 0; j < n2; j++) |
| 230 | ;; ... = A[-j + 2*n2]; |
| 231 | |
| 232 | define void @symbolicrdiv5(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| 233 | entry: |
| 234 | %cmp4 = icmp eq i64 %n1, 0 |
| 235 | br i1 %cmp4, label %for.cond1.preheader, label %for.body |
| 236 | |
| 237 | for.cond1.preheader: ; preds = %for.body, %entry |
| 238 | %cmp21 = icmp eq i64 %n2, 0 |
| 239 | br i1 %cmp21, label %for.end10, label %for.body4 |
| 240 | |
| 241 | for.body: ; preds = %for.body, %entry |
| 242 | %i.05 = phi i64 [ %inc, %for.body ], [ 0, %entry ] |
| 243 | %conv = trunc i64 %i.05 to i32 |
| 244 | %add = sub i64 %n2, %i.05 |
| 245 | %arrayidx = getelementptr inbounds i32* %A, i64 %add |
| 246 | store i32 %conv, i32* %arrayidx, align 4 |
| 247 | %inc = add nsw i64 %i.05, 1 |
| 248 | %cmp = icmp ult i64 %inc, %n1 |
| 249 | br i1 %cmp, label %for.body, label %for.cond1.preheader |
| 250 | |
| 251 | for.body4: ; preds = %for.body4, %for.cond1.preheader |
| 252 | %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.cond1.preheader ] |
| 253 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.cond1.preheader ] |
| 254 | %mul = shl i64 %n2, 1 |
| 255 | %add6 = sub i64 %mul, %j.03 |
| 256 | %arrayidx7 = getelementptr inbounds i32* %A, i64 %add6 |
| 257 | %0 = load i32* %arrayidx7, align 4 |
| 258 | ; CHECK: da analyze - none! |
| 259 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 260 | store i32 %0, i32* %B.addr.02, align 4 |
| 261 | %inc9 = add nsw i64 %j.03, 1 |
| 262 | %cmp2 = icmp ult i64 %inc9, %n2 |
| 263 | br i1 %cmp2, label %for.body4, label %for.end10 |
| 264 | |
| 265 | for.end10: ; preds = %for.body4, %for.cond1.preheader |
| 266 | ret void |
| 267 | } |
| 268 | |
| 269 | |
| 270 | ;; for (long int i = 0; i < n1; i++) |
| 271 | ;; for (long int j = 0; j < n2; j++) |
| 272 | ;; A[j -i + n2] = ... |
| 273 | ;; ... = A[2*n2]; |
| 274 | |
| 275 | define void @symbolicrdiv6(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| 276 | entry: |
| 277 | %cmp4 = icmp eq i64 %n1, 0 |
| 278 | br i1 %cmp4, label %for.end7, label %for.cond1.preheader |
| 279 | |
| 280 | for.cond1.preheader: ; preds = %for.inc5, %entry |
| 281 | %B.addr.06 = phi i32* [ %B.addr.1.lcssa, %for.inc5 ], [ %B, %entry ] |
| 282 | %i.05 = phi i64 [ %inc6, %for.inc5 ], [ 0, %entry ] |
| 283 | %cmp21 = icmp eq i64 %n2, 0 |
| 284 | br i1 %cmp21, label %for.inc5, label %for.body3 |
| 285 | |
| 286 | for.body3: ; preds = %for.body3, %for.cond1.preheader |
| 287 | %j.03 = phi i64 [ %inc, %for.body3 ], [ 0, %for.cond1.preheader ] |
| 288 | %B.addr.12 = phi i32* [ %incdec.ptr, %for.body3 ], [ %B.addr.06, %for.cond1.preheader ] |
| 289 | %conv = trunc i64 %i.05 to i32 |
| 290 | %sub = sub nsw i64 %j.03, %i.05 |
| 291 | %add = add i64 %sub, %n2 |
| 292 | %arrayidx = getelementptr inbounds i32* %A, i64 %add |
| 293 | store i32 %conv, i32* %arrayidx, align 4 |
| 294 | %mul = shl i64 %n2, 1 |
| 295 | %arrayidx4 = getelementptr inbounds i32* %A, i64 %mul |
| 296 | %0 = load i32* %arrayidx4, align 4 |
| 297 | ; CHECK: da analyze - none! |
| 298 | %incdec.ptr = getelementptr inbounds i32* %B.addr.12, i64 1 |
| 299 | store i32 %0, i32* %B.addr.12, align 4 |
| 300 | %inc = add nsw i64 %j.03, 1 |
| 301 | %cmp2 = icmp ult i64 %inc, %n2 |
| 302 | br i1 %cmp2, label %for.body3, label %for.inc5 |
| 303 | |
| 304 | for.inc5: ; preds = %for.body3, %for.cond1.preheader |
| 305 | %B.addr.1.lcssa = phi i32* [ %B.addr.06, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| 306 | %inc6 = add nsw i64 %i.05, 1 |
| 307 | %cmp = icmp ult i64 %inc6, %n1 |
| 308 | br i1 %cmp, label %for.cond1.preheader, label %for.end7 |
| 309 | |
| 310 | for.end7: ; preds = %for.inc5, %entry |
| 311 | ret void |
| 312 | } |