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1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py2; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s3 4@mode_table = global [4 x i32] zeroinitializer ; <ptr> [#uses=1]5 6define i8 @f() {7; CHECK-LABEL: 'f'8; CHECK-NEXT: Determining loop execution counts for: @f9; CHECK-NEXT: Loop %bb: <multiple exits> Unpredictable backedge-taken count.10; CHECK-NEXT: exit count for bb: ***COULDNOTCOMPUTE***11; CHECK-NEXT: exit count for bb2: i8 112; CHECK-NEXT: Loop %bb: constant max backedge-taken count is i8 113; CHECK-NEXT: Loop %bb: symbolic max backedge-taken count is i8 114; CHECK-NEXT: symbolic max exit count for bb: ***COULDNOTCOMPUTE***15; CHECK-NEXT: symbolic max exit count for bb2: i8 116;17entry:18 tail call i32 @fegetround( ) ; <i32>:0 [#uses=1]19 br label %bb20 21bb: ; preds = %bb4, %entry22 %mode.0 = phi i8 [ 0, %entry ], [ %indvar.next, %bb4 ] ; <i8> [#uses=4]23 zext i8 %mode.0 to i32 ; <i32>:1 [#uses=1]24 getelementptr [4 x i32], ptr @mode_table, i32 0, i32 %1 ; <ptr>:2 [#uses=1]25 load i32, ptr %2, align 4 ; <i32>:3 [#uses=1]26 icmp eq i32 %3, %0 ; <i1>:4 [#uses=1]27 br i1 %4, label %bb1, label %bb228 29bb1: ; preds = %bb30 ret i8 %mode.031 32bb2: ; preds = %bb33 icmp eq i8 %mode.0, 1 ; <i1>:5 [#uses=1]34 br i1 %5, label %bb5, label %bb435 36bb4: ; preds = %bb237 %indvar.next = add i8 %mode.0, 1 ; <i8> [#uses=1]38 br label %bb39 40bb5: ; preds = %bb241 tail call void @raise_exception( ) noreturn42 unreachable43}44 45declare i32 @fegetround()46 47declare void @raise_exception() noreturn48