1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4 2; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s 3 4declare void @foo() 5 6define void @test1() nounwind { 7; 8; CHECK-LABEL: 'test1' 9; CHECK-NEXT: Determining loop execution counts for: @test1 10; CHECK-NEXT: Loop %for.cond: backedge-taken count is i32 2 11; CHECK-NEXT: Loop %for.cond: constant max backedge-taken count is i32 2 12; CHECK-NEXT: Loop %for.cond: symbolic max backedge-taken count is i32 2 13; CHECK-NEXT: Loop %for.cond: Trip multiple is 3 14; 15entry: 16 br label %for.cond 17 18for.cond: ; preds = %if.end, %entry 19 %i.0 = phi i32 [ 2, %entry ], [ %dec, %if.end ] 20 switch i32 %i.0, label %if.end [ 21 i32 0, label %for.end 22 i32 1, label %if.then 23 ] 24 25if.then: ; preds = %for.cond 26 tail call void @foo() 27 br label %if.end 28 29if.end: ; preds = %for.cond, %if.then 30 %dec = add nsw i32 %i.0, -1 31 br label %for.cond 32 33for.end: ; preds = %for.cond 34 ret void 35 36} 37