Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -analyze -basicaa -da | FileCheck %s |
| 2 | |
| 3 | ; ModuleID = 'WeakZeroSrcSIV.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 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 8 | ;; for (long unsigned i = 0; i < 30; i++) { |
| 9 | ;; A[10] = i; |
| 10 | ;; *B++ = A[2*i + 10]; |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 11 | |
| 12 | define void @weakzerosrc0(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { |
| 13 | entry: |
| 14 | br label %for.body |
| 15 | |
Preston Briggs | 6ee74f5 | 2012-11-27 06:41:46 +0000 | [diff] [blame] | 16 | ; CHECK: da analyze - consistent output [S]! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 17 | ; CHECK: da analyze - flow [p<=|<]! |
| 18 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 19 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 20 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 21 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 22 | |
| 23 | for.body: ; preds = %entry, %for.body |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 24 | %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] |
| 25 | %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] |
| 26 | %conv = trunc i64 %i.02 to i32 |
| 27 | %arrayidx = getelementptr inbounds i32* %A, i64 10 |
| 28 | store i32 %conv, i32* %arrayidx, align 4 |
| 29 | %mul = shl i64 %i.02, 1 |
| 30 | %add = add i64 %mul, 10 |
| 31 | %arrayidx1 = getelementptr inbounds i32* %A, i64 %add |
| 32 | %0 = load i32* %arrayidx1, align 4 |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 33 | %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 |
| 34 | store i32 %0, i32* %B.addr.01, align 4 |
| 35 | %inc = add i64 %i.02, 1 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 36 | %exitcond = icmp ne i64 %inc, 30 |
| 37 | br i1 %exitcond, label %for.body, label %for.end |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 38 | |
| 39 | for.end: ; preds = %for.body |
| 40 | ret void |
| 41 | } |
| 42 | |
| 43 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 44 | ;; for (long unsigned i = 0; i < n; i++) { |
| 45 | ;; A[10] = i; |
| 46 | ;; *B++ = A[n*i + 10]; |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 47 | |
| 48 | define void @weakzerosrc1(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { |
| 49 | entry: |
| 50 | %cmp1 = icmp eq i64 %n, 0 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 51 | br i1 %cmp1, label %for.end, label %for.body.preheader |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 52 | |
Preston Briggs | 6ee74f5 | 2012-11-27 06:41:46 +0000 | [diff] [blame] | 53 | ; CHECK: da analyze - consistent output [S]! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 54 | ; CHECK: da analyze - flow [p<=|<]! |
| 55 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 56 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 57 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 58 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 59 | |
| 60 | for.body.preheader: ; preds = %entry |
| 61 | br label %for.body |
| 62 | |
| 63 | for.body: ; preds = %for.body.preheader, %for.body |
| 64 | %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| 65 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ] |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 66 | %conv = trunc i64 %i.03 to i32 |
| 67 | %arrayidx = getelementptr inbounds i32* %A, i64 10 |
| 68 | store i32 %conv, i32* %arrayidx, align 4 |
| 69 | %mul = mul i64 %i.03, %n |
| 70 | %add = add i64 %mul, 10 |
| 71 | %arrayidx1 = getelementptr inbounds i32* %A, i64 %add |
| 72 | %0 = load i32* %arrayidx1, align 4 |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 73 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 74 | store i32 %0, i32* %B.addr.02, align 4 |
| 75 | %inc = add i64 %i.03, 1 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 76 | %exitcond = icmp ne i64 %inc, %n |
| 77 | br i1 %exitcond, label %for.body, label %for.end.loopexit |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 78 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 79 | for.end.loopexit: ; preds = %for.body |
| 80 | br label %for.end |
| 81 | |
| 82 | for.end: ; preds = %for.end.loopexit, %entry |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 83 | ret void |
| 84 | } |
| 85 | |
| 86 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 87 | ;; for (long unsigned i = 0; i < 5; i++) { |
| 88 | ;; A[10] = i; |
| 89 | ;; *B++ = A[2*i]; |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 90 | |
| 91 | define void @weakzerosrc2(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { |
| 92 | entry: |
| 93 | br label %for.body |
| 94 | |
Preston Briggs | 6ee74f5 | 2012-11-27 06:41:46 +0000 | [diff] [blame] | 95 | ; CHECK: da analyze - consistent output [S]! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 96 | ; CHECK: da analyze - none! |
| 97 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 98 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 99 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 100 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 101 | |
| 102 | for.body: ; preds = %entry, %for.body |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 103 | %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] |
| 104 | %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] |
| 105 | %conv = trunc i64 %i.02 to i32 |
| 106 | %arrayidx = getelementptr inbounds i32* %A, i64 10 |
| 107 | store i32 %conv, i32* %arrayidx, align 4 |
| 108 | %mul = shl i64 %i.02, 1 |
| 109 | %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul |
| 110 | %0 = load i32* %arrayidx1, align 4 |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 111 | %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 |
| 112 | store i32 %0, i32* %B.addr.01, align 4 |
| 113 | %inc = add i64 %i.02, 1 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 114 | %exitcond = icmp ne i64 %inc, 5 |
| 115 | br i1 %exitcond, label %for.body, label %for.end |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 116 | |
| 117 | for.end: ; preds = %for.body |
| 118 | ret void |
| 119 | } |
| 120 | |
| 121 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 122 | ;; for (long unsigned i = 0; i < 6; i++) { |
| 123 | ;; A[10] = i; |
| 124 | ;; *B++ = A[2*i]; |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 125 | |
| 126 | define void @weakzerosrc3(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { |
| 127 | entry: |
| 128 | br label %for.body |
| 129 | |
Preston Briggs | 6ee74f5 | 2012-11-27 06:41:46 +0000 | [diff] [blame] | 130 | ; CHECK: da analyze - consistent output [S]! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 131 | ; CHECK: da analyze - flow [=>p|<]! |
| 132 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 133 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 134 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 135 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 136 | |
| 137 | for.body: ; preds = %entry, %for.body |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 138 | %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] |
| 139 | %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] |
| 140 | %conv = trunc i64 %i.02 to i32 |
| 141 | %arrayidx = getelementptr inbounds i32* %A, i64 10 |
| 142 | store i32 %conv, i32* %arrayidx, align 4 |
| 143 | %mul = shl i64 %i.02, 1 |
| 144 | %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul |
| 145 | %0 = load i32* %arrayidx1, align 4 |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 146 | %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 |
| 147 | store i32 %0, i32* %B.addr.01, align 4 |
| 148 | %inc = add i64 %i.02, 1 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 149 | %exitcond = icmp ne i64 %inc, 6 |
| 150 | br i1 %exitcond, label %for.body, label %for.end |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 151 | |
| 152 | for.end: ; preds = %for.body |
| 153 | ret void |
| 154 | } |
| 155 | |
| 156 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 157 | ;; for (long unsigned i = 0; i < 7; i++) { |
| 158 | ;; A[10] = i; |
| 159 | ;; *B++ = A[2*i]; |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 160 | |
| 161 | define void @weakzerosrc4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { |
| 162 | entry: |
| 163 | br label %for.body |
| 164 | |
Preston Briggs | 6ee74f5 | 2012-11-27 06:41:46 +0000 | [diff] [blame] | 165 | ; CHECK: da analyze - consistent output [S]! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 166 | ; CHECK: da analyze - flow [*|<]! |
| 167 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 168 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 169 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 170 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 171 | |
| 172 | for.body: ; preds = %entry, %for.body |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 173 | %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] |
| 174 | %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] |
| 175 | %conv = trunc i64 %i.02 to i32 |
| 176 | %arrayidx = getelementptr inbounds i32* %A, i64 10 |
| 177 | store i32 %conv, i32* %arrayidx, align 4 |
| 178 | %mul = shl i64 %i.02, 1 |
| 179 | %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul |
| 180 | %0 = load i32* %arrayidx1, align 4 |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 181 | %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 |
| 182 | store i32 %0, i32* %B.addr.01, align 4 |
| 183 | %inc = add i64 %i.02, 1 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 184 | %exitcond = icmp ne i64 %inc, 7 |
| 185 | br i1 %exitcond, label %for.body, label %for.end |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 186 | |
| 187 | for.end: ; preds = %for.body |
| 188 | ret void |
| 189 | } |
| 190 | |
| 191 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 192 | ;; for (long unsigned i = 0; i < 7; i++) { |
| 193 | ;; A[-10] = i; |
| 194 | ;; *B++ = A[2*i]; |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 195 | |
| 196 | define void @weakzerosrc5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { |
| 197 | entry: |
| 198 | br label %for.body |
| 199 | |
Preston Briggs | 6ee74f5 | 2012-11-27 06:41:46 +0000 | [diff] [blame] | 200 | ; CHECK: da analyze - consistent output [S]! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 201 | ; CHECK: da analyze - none! |
| 202 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 203 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 204 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 205 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 206 | |
| 207 | for.body: ; preds = %entry, %for.body |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 208 | %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] |
| 209 | %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] |
| 210 | %conv = trunc i64 %i.02 to i32 |
| 211 | %arrayidx = getelementptr inbounds i32* %A, i64 -10 |
| 212 | store i32 %conv, i32* %arrayidx, align 4 |
| 213 | %mul = shl i64 %i.02, 1 |
| 214 | %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul |
| 215 | %0 = load i32* %arrayidx1, align 4 |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 216 | %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 |
| 217 | store i32 %0, i32* %B.addr.01, align 4 |
| 218 | %inc = add i64 %i.02, 1 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 219 | %exitcond = icmp ne i64 %inc, 7 |
| 220 | br i1 %exitcond, label %for.body, label %for.end |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 221 | |
| 222 | for.end: ; preds = %for.body |
| 223 | ret void |
| 224 | } |
| 225 | |
| 226 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 227 | ;; for (long unsigned i = 0; i < n; i++) { |
| 228 | ;; A[10] = i; |
| 229 | ;; *B++ = A[3*i]; |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 230 | |
| 231 | define void @weakzerosrc6(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { |
| 232 | entry: |
| 233 | %cmp1 = icmp eq i64 %n, 0 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 234 | br i1 %cmp1, label %for.end, label %for.body.preheader |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 235 | |
Preston Briggs | 6ee74f5 | 2012-11-27 06:41:46 +0000 | [diff] [blame] | 236 | ; CHECK: da analyze - consistent output [S]! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 237 | ; CHECK: da analyze - none! |
| 238 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 239 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 240 | ; CHECK: da analyze - confused! |
Preston Briggs | 3c1cc38 | 2012-11-27 19:12:26 +0000 | [diff] [blame] | 241 | ; CHECK: da analyze - none! |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 242 | |
| 243 | for.body.preheader: ; preds = %entry |
| 244 | br label %for.body |
| 245 | |
| 246 | for.body: ; preds = %for.body.preheader, %for.body |
| 247 | %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| 248 | %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ] |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 249 | %conv = trunc i64 %i.03 to i32 |
| 250 | %arrayidx = getelementptr inbounds i32* %A, i64 10 |
| 251 | store i32 %conv, i32* %arrayidx, align 4 |
| 252 | %mul = mul i64 %i.03, 3 |
| 253 | %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul |
| 254 | %0 = load i32* %arrayidx1, align 4 |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 255 | %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 |
| 256 | store i32 %0, i32* %B.addr.02, align 4 |
| 257 | %inc = add i64 %i.03, 1 |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 258 | %exitcond = icmp ne i64 %inc, %n |
| 259 | br i1 %exitcond, label %for.body, label %for.end.loopexit |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 260 | |
Benjamin Kramer | 563e8fc | 2012-11-13 12:12:02 +0000 | [diff] [blame] | 261 | for.end.loopexit: ; preds = %for.body |
| 262 | br label %for.end |
| 263 | |
| 264 | for.end: ; preds = %for.end.loopexit, %entry |
Sebastian Pop | ad43499 | 2012-10-11 07:32:34 +0000 | [diff] [blame] | 265 | ret void |
| 266 | } |