; RUN: opt < %s -analyze -scalar-evolution \ ; RUN: | grep "sext.*trunc.*Exits: 11" ; ScalarEvolution should be able to compute a loop exit value for %indvar.i8. define void @another_count_down_signed(double* %d, i64 %n) nounwind { entry: br label %loop loop: ; preds = %loop, %entry %indvar = phi i64 [ %n, %entry ], [ %indvar.next, %loop ] ; <i64> [#uses=4] %s0 = shl i64 %indvar, 8 ; <i64> [#uses=1] %indvar.i8 = ashr i64 %s0, 8 ; <i64> [#uses=1] %t0 = getelementptr double* %d, i64 %indvar.i8 ; <double*> [#uses=2] %t1 = load double* %t0 ; <double> [#uses=1] %t2 = fmul double %t1, 1.000000e-01 ; <double> [#uses=1] store double %t2, double* %t0 %indvar.next = sub i64 %indvar, 1 ; <i64> [#uses=2] %exitcond = icmp eq i64 %indvar.next, 10 ; <i1> [#uses=1] br i1 %exitcond, label %return, label %loop return: ; preds = %loop ret void }