| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -tailduplicate -disable-output |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 3 | declare void @__main() |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 4 | |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 5 | define i32 @main() { |
| 6 | entry: |
| 7 | call void @__main( ) |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 8 | br label %loopentry |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 9 | loopentry: ; preds = %no_exit, %entry |
| 10 | %i.0 = phi i32 [ %inc, %no_exit ], [ 0, %entry ] ; <i32> [#uses=3] |
| 11 | %tmp.1 = icmp sle i32 %i.0, 99 ; <i1> [#uses=1] |
| 12 | br i1 %tmp.1, label %no_exit, label %return |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 13 | no_exit: ; preds = %loopentry |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 14 | %tmp.51 = call i32 @main( ) ; <i32> [#uses=0] |
| 15 | %inc = add i32 %i.0, 1 ; <i32> [#uses=1] |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 16 | br label %loopentry |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 17 | return: ; preds = %loopentry |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 18 | ret i32 %i.0 |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 19 | } |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 20 | |