| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar |
| Chris Lattner | 46d5bca | 2003-09-12 16:42:16 +0000 | [diff] [blame] | 2 | |
| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 3 | define i32 @test() { |
| 4 | ; <label>:0 |
| 5 | br i1 true, label %LoopHead, label %LoopHead |
| Chris Lattner | 46d5bca | 2003-09-12 16:42:16 +0000 | [diff] [blame] | 6 | |
| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 7 | LoopHead: ; preds = %LoopHead, %0, %0 |
| 8 | %A = phi i32 [ 7, %0 ], [ 7, %0 ], [ %B, %LoopHead ] ; <i32> [#uses=1] |
| 9 | %B = add i32 %A, 1 ; <i32> [#uses=2] |
| 10 | br i1 false, label %LoopHead, label %Out |
| 11 | |
| 12 | Out: ; preds = %LoopHead |
| 13 | ret i32 %B |
| Chris Lattner | 46d5bca | 2003-09-12 16:42:16 +0000 | [diff] [blame] | 14 | } |
| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 15 | |