| Roman Shirokiy | 272eac8 | 2018-06-29 11:46:30 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s |
| 2 | |
| 3 | ; Check that isImpliedViaMerge wouldn't crash when trying to prove |
| 4 | ; SCEVUnknown and AddRec with phi having many inputs |
| 5 | ; CHECK: @foo |
| 6 | |
| 7 | define void @foo(i1 %cond) { |
| 8 | osr.type.merge79: |
| 9 | br label %bci_329 |
| 10 | |
| 11 | bci_329: ; preds = %bci_337, %bci_326, %osr.type.merge79 |
| 12 | %local_7_ = phi i32 [ 0, %osr.type.merge79 ], [ %local_7_113, %bci_326 ], [ %local_7_, %bci_337 ] |
| 13 | br i1 %cond, label %bci_360, label %bci_337 |
| 14 | |
| 15 | bci_360: ; preds = %bci_329 |
| 16 | %0 = phi i32 [ %local_7_, %bci_329 ] |
| 17 | %1 = icmp sge i32 %0, 451 |
| 18 | br i1 %1, label %bci_371, label %bci_326 |
| 19 | |
| 20 | bci_371: ; preds = %bci_304, %bci_360 |
| 21 | %local_2_132 = phi i32 [ 0, %bci_360 ], [ %local_2_188, %bci_304 ] |
| 22 | %local_7_137 = phi i32 [ 0, %bci_360 ], [ %local_7_217, %bci_304 ] |
| 23 | %local_8_138 = phi i32 [ 0, %bci_360 ], [ %local_8_194, %bci_304 ] |
| 24 | %local_11_141 = phi i32 [ 0, %bci_360 ], [ %local_11_197, %bci_304 ] |
| 25 | %2 = phi i1 [ %1, %bci_360 ], [ false, %bci_304 ] |
| 26 | br i1 %2, label %bci_562, label %never_deopt |
| 27 | |
| 28 | bci_562: ; preds = %done437, %done405, %done395, %bci_407, %not_zero322, %bci_221, %bci_371 |
| 29 | %local_2_164 = phi i32 [ %local_2_132, %bci_371 ], [ %9, %not_zero322 ], [ %local_2_188, %bci_407 ], [ %result396, %done395 ], [ %local_2_188, %bci_221 ], [ %local_2_188, %done405 ], [ %local_2_188, %done437 ] |
| 30 | %local_7_169 = phi i32 [ %local_7_137, %bci_371 ], [ %local_7_217, %not_zero322 ], [ %local_7_217, %bci_407 ], [ %local_7_217, %done395 ], [ %local_7_217, %bci_221 ], [ %local_7_217, %done405 ], [ %local_7_217, %done437 ] |
| 31 | %local_8_170 = phi i32 [ %local_8_138, %bci_371 ], [ %local_8_194, %not_zero322 ], [ %local_8_194, %bci_407 ], [ %local_8_194, %done395 ], [ %local_8_194, %bci_221 ], [ %local_8_194, %done405 ], [ %local_8_194, %done437 ] |
| 32 | %local_11_173 = phi i32 [ %local_11_141, %bci_371 ], [ %local_11_197, %not_zero322 ], [ %local_11_197, %bci_407 ], [ %local_11_197, %done395 ], [ %local_11_197, %bci_221 ], [ %local_11_197, %done405 ], [ %local_11_197, %done437 ] |
| 33 | br label %bci_604 |
| 34 | |
| 35 | bci_604: ; preds = %not_subtype, %bci_565, %bci_562 |
| 36 | %local_2_188 = phi i32 [ %local_2_164, %bci_562 ], [ %9, %bci_565 ], [ %9, %not_subtype ] |
| 37 | %local_7_193 = phi i32 [ %local_7_169, %bci_562 ], [ %local_7_217, %bci_565 ], [ %local_7_217, %not_subtype ] |
| 38 | %local_8_194 = phi i32 [ %local_8_170, %bci_562 ], [ %local_8_194, %bci_565 ], [ %local_8_194, %not_subtype ] |
| 39 | %local_11_197 = phi i32 [ %local_11_173, %bci_562 ], [ %local_11_197, %bci_565 ], [ %local_11_197, %not_subtype ] |
| 40 | %3 = add i32 1, %local_7_193 |
| 41 | br label %bci_199 |
| 42 | |
| 43 | bci_199: ; preds = %bci_591, %bci_604 |
| 44 | %local_7_217 = phi i32 [ %3, %bci_604 ], [ %6, %bci_591 ] |
| 45 | %4 = mul i32 %local_2_188, %local_8_194 |
| 46 | %5 = icmp sge i32 %local_7_217, %4 |
| 47 | br i1 %5, label %bci_610, label %bci_216 |
| 48 | |
| 49 | bci_610: ; preds = %bci_199 |
| 50 | ret void |
| 51 | |
| 52 | bci_216: ; preds = %bci_199 |
| 53 | br i1 %cond, label %bci_591, label %bci_221 |
| 54 | |
| 55 | bci_591: ; preds = %bci_216 |
| 56 | %6 = add i32 1, %local_7_217 |
| 57 | br label %bci_199 |
| 58 | |
| 59 | bci_221: ; preds = %bci_216 |
| 60 | %7 = srem i32 %local_7_217, 6 |
| 61 | %8 = add i32 %7, 114 |
| 62 | switch i32 %8, label %done405 [ |
| 63 | i32 114, label %bci_562 |
| 64 | i32 116, label %bci_304 |
| 65 | i32 117, label %bci_395 |
| 66 | i32 118, label %bci_407 |
| 67 | i32 119, label %bci_419 |
| 68 | ] |
| 69 | |
| 70 | bci_419: ; preds = %bci_221 |
| 71 | %9 = sub i32 %local_2_188, %local_11_197 |
| 72 | br label %bci_435 |
| 73 | |
| 74 | bci_435: ; preds = %not_zero322, %bci_419 |
| 75 | br i1 %cond, label %not_zero265, label %never_deopt |
| 76 | |
| 77 | not_zero265: ; preds = %bci_435 |
| 78 | br i1 %cond, label %in_bounds, label %out_of_bounds |
| 79 | |
| 80 | in_bounds: ; preds = %not_zero265 |
| 81 | br i1 %cond, label %not_zero322, label %never_deopt |
| 82 | |
| 83 | not_zero322: ; preds = %in_bounds |
| 84 | br i1 %cond, label %bci_562, label %bci_435 |
| 85 | |
| 86 | bci_407: ; preds = %bci_221 |
| 87 | br label %bci_562 |
| 88 | |
| 89 | bci_395: ; preds = %bci_221 |
| 90 | br i1 %cond, label %done395, label %general_case394 |
| 91 | |
| 92 | general_case394: ; preds = %bci_395 |
| 93 | %10 = srem i32 %local_2_188, 0 |
| 94 | br label %done395 |
| 95 | |
| 96 | done395: ; preds = %general_case394, %bci_395 |
| 97 | %result396 = phi i32 [ %10, %general_case394 ], [ 0, %bci_395 ] |
| 98 | br label %bci_562 |
| 99 | |
| 100 | bci_304: ; preds = %bci_221 |
| 101 | br i1 %cond, label %bci_371, label %bci_326 |
| 102 | |
| 103 | done405: ; preds = %bci_221 |
| 104 | br i1 %cond, label %bci_562, label %done437 |
| 105 | |
| 106 | done437: ; preds = %done405 |
| 107 | br label %bci_562 |
| 108 | |
| 109 | bci_326: ; preds = %bci_304, %bci_360 |
| 110 | %local_7_113 = phi i32 [ %local_7_, %bci_360 ], [ %local_7_217, %bci_304 ] |
| 111 | br label %bci_329 |
| 112 | |
| 113 | bci_337: ; preds = %bci_329 |
| 114 | br label %bci_329 |
| 115 | |
| 116 | never_deopt: ; preds = %in_bounds, %bci_435, %bci_371 |
| 117 | ret void |
| 118 | |
| 119 | out_of_bounds: ; preds = %not_zero265 |
| 120 | br i1 %cond, label %bci_565, label %not_subtype |
| 121 | |
| 122 | bci_565: ; preds = %out_of_bounds |
| 123 | br label %bci_604 |
| 124 | |
| 125 | not_subtype: ; preds = %out_of_bounds |
| 126 | br label %bci_604 |
| 127 | } |