| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; Basic block #2 should not be merged into BB #3! |
| 2 | ; |
| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 3 | ; RUN: opt < %s -simplifycfg -S | \ |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 4 | ; RUN: grep {br label} |
| 5 | ; |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 6 | |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 7 | declare void @foo() |
| 8 | |
| 9 | define void @cprop_test12(i32* %data) { |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 10 | bb0: |
| Tanya Lattner | 003eae5 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 11 | %reg108 = load i32* %data ; <i32> [#uses=2] |
| 12 | %cond218 = icmp ne i32 %reg108, 5 ; <i1> [#uses=1] |
| 13 | br i1 %cond218, label %bb3, label %bb2 |
| 14 | bb2: ; preds = %bb0 |
| 15 | call void @foo( ) |
| 16 | br label %bb3 |
| 17 | bb3: ; preds = %bb2, %bb0 |
| 18 | %reg117 = phi i32 [ 110, %bb2 ], [ %reg108, %bb0 ] ; <i32> [#uses=1] |
| 19 | store i32 %reg117, i32* %data |
| 20 | ret void |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 21 | } |
| 22 | |