| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | not grep global |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | |
| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame] | 3 | @G = internal global i32 undef ; <i32*> [#uses=5] |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 4 | |
| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame] | 5 | define void @foo() { |
| 6 | %X = load i32* @G ; <i32> [#uses=1] |
| 7 | store i32 %X, i32* @G |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 8 | ret void |
| 9 | } |
| 10 | |
| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame] | 11 | define i32 @bar() { |
| 12 | %V = load i32* @G ; <i32> [#uses=2] |
| 13 | %C = icmp eq i32 %V, 17 ; <i1> [#uses=1] |
| 14 | br i1 %C, label %T, label %F |
| 15 | T: ; preds = %0 |
| 16 | store i32 17, i32* @G |
| 17 | ret i32 %V |
| 18 | F: ; preds = %0 |
| 19 | store i32 123, i32* @G |
| 20 | ret i32 0 |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 21 | } |
| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame] | 22 | |