| Dan Gohman | 4298d2e | 2010-01-26 19:25:59 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -scalar-evolution -analyze | grep {Loop %loop: backedge-taken count is (100 + (-100 smax %n))} |
| Wojciech Matyjewicz | a5718fc | 2008-02-12 15:09:36 +0000 | [diff] [blame] | 2 | ; PR2002 |
| 3 | |||||
| 4 | define void @foo(i8 %n) { | ||||
| 5 | entry: | ||||
| 6 | br label %loop | ||||
| 7 | loop: | ||||
| 8 | %i = phi i8 [ -100, %entry ], [ %i.inc, %next ] | ||||
| 9 | %cond = icmp slt i8 %i, %n | ||||
| 10 | br i1 %cond, label %next, label %return | ||||
| 11 | next: | ||||
| 12 | %i.inc = add i8 %i, 1 | ||||
| 13 | br label %loop | ||||
| 14 | return: | ||||
| 15 | ret void | ||||
| 16 | } | ||||