llvm/test/Analysis/ScalarEvolution/pr76234.ll

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4
; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s

; Reduced from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65278
define i32 @PR76234() {
; CHECK-LABEL: 'PR76234'
; CHECK-NEXT:  Classifying expressions for: @PR76234
; CHECK-NEXT:    %B9 = shl i896 0, -264147265567832623176169892458258303259423663018060761063980354513336951278362429737208627943828593947337197496628564339441173779751342768625269489231469788454193341999502542084365758838213220526512116454105594202074014146375780869419198449383518238244769290448868999168
; CHECK-NEXT:    --> %B9 U: [0,1) S: [0,1)
; CHECK-NEXT:    %B39 = ashr i896 %B9, 1
; CHECK-NEXT:    --> %B39 U: [0,1) S: [0,1) Exits: <<Unknown>> LoopDispositions: { %1: Variant }
; CHECK-NEXT:  Determining loop execution counts for: @PR76234
; CHECK-NEXT:  Loop %1: <multiple exits> Unpredictable backedge-taken count.
; CHECK-NEXT:  Loop %1: Unpredictable constant max backedge-taken count.
; CHECK-NEXT:  Loop %1: Unpredictable symbolic max backedge-taken count.
;
  %B9 = shl i896 0, -264147265567832623176169892458258303259423663018060761063980354513336951278362429737208627943828593947337197496628564339441173779751342768625269489231469788454193341999502542084365758838213220526512116454105594202074014146375780869419198449383518238244769290448868999168
  br label %1
1:
  %B39 = ashr i896 %B9, 1
  br label %1
}