1*3736e1d1SSimon Pilgrim; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4 2*3736e1d1SSimon Pilgrim; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s 3*3736e1d1SSimon Pilgrim 4*3736e1d1SSimon Pilgrim; Reduced from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65278 5*3736e1d1SSimon Pilgrimdefine i32 @PR76234() { 6*3736e1d1SSimon Pilgrim; CHECK-LABEL: 'PR76234' 7*3736e1d1SSimon Pilgrim; CHECK-NEXT: Classifying expressions for: @PR76234 8*3736e1d1SSimon Pilgrim; CHECK-NEXT: %B9 = shl i896 0, -264147265567832623176169892458258303259423663018060761063980354513336951278362429737208627943828593947337197496628564339441173779751342768625269489231469788454193341999502542084365758838213220526512116454105594202074014146375780869419198449383518238244769290448868999168 9*3736e1d1SSimon Pilgrim; CHECK-NEXT: --> %B9 U: [0,1) S: [0,1) 10*3736e1d1SSimon Pilgrim; CHECK-NEXT: %B39 = ashr i896 %B9, 1 11*3736e1d1SSimon Pilgrim; CHECK-NEXT: --> %B39 U: [0,1) S: [0,1) Exits: <<Unknown>> LoopDispositions: { %1: Variant } 12*3736e1d1SSimon Pilgrim; CHECK-NEXT: Determining loop execution counts for: @PR76234 13*3736e1d1SSimon Pilgrim; CHECK-NEXT: Loop %1: <multiple exits> Unpredictable backedge-taken count. 14*3736e1d1SSimon Pilgrim; CHECK-NEXT: Loop %1: Unpredictable constant max backedge-taken count. 15*3736e1d1SSimon Pilgrim; CHECK-NEXT: Loop %1: Unpredictable symbolic max backedge-taken count. 16*3736e1d1SSimon Pilgrim; 17*3736e1d1SSimon Pilgrim %B9 = shl i896 0, -264147265567832623176169892458258303259423663018060761063980354513336951278362429737208627943828593947337197496628564339441173779751342768625269489231469788454193341999502542084365758838213220526512116454105594202074014146375780869419198449383518238244769290448868999168 18*3736e1d1SSimon Pilgrim br label %1 19*3736e1d1SSimon Pilgrim1: 20*3736e1d1SSimon Pilgrim %B39 = ashr i896 %B9, 1 21*3736e1d1SSimon Pilgrim br label %1 22*3736e1d1SSimon Pilgrim} 23