1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py 2; RUN: opt -passes='print<scalar-evolution>' -scalar-evolution-classify-expressions=0 -disable-output %s 2>&1 | FileCheck %s 3 4declare void @foo() 5 6define void @test_trip_count_expr_contains_urem(i32 %N) { 7; CHECK-LABEL: 'test_trip_count_expr_contains_urem' 8; CHECK-NEXT: Determining loop execution counts for: @test_trip_count_expr_contains_urem 9; CHECK-NEXT: Loop %loop: backedge-taken count is ((1 + (-1 * (zext i4 (1 + (trunc i32 %N to i4)) to i32))<nsw> + %N) /u 16) 10; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 268435455 11; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is ((1 + (-1 * (zext i4 (1 + (trunc i32 %N to i4)) to i32))<nsw> + %N) /u 16) 12; CHECK-NEXT: Loop %loop: Trip multiple is 1 13; 14entry: 15 %n.rnd.up = add i32 %N, 1 16 %n.mod.vf = urem i32 %n.rnd.up, 16 17 %n.vec = sub i32 %n.rnd.up, %n.mod.vf 18 br label %loop 19 20loop: 21 %index = phi i32 [ 0, %entry ], [ %index.next, %loop ] 22 %index.next = add i32 %index, 16 23 call void @foo() 24 %ec = icmp eq i32 %index, %n.vec 25 br i1 %ec, label %exit, label %loop 26 27exit: 28 ret void 29} 30