Victor Hernandez | 131e0fc | 2009-09-25 18:11:52 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -globalopt -S | not grep malloc |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 3 | @G = internal global i32* null ; <i32**> [#uses=4] |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 4 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 5 | define void @init() { |
| 6 | %P = malloc i32, i32 100 ; <i32*> [#uses=1] |
| 7 | store i32* %P, i32** @G |
| 8 | %GV = load i32** @G ; <i32*> [#uses=1] |
| 9 | %GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1] |
| 10 | store i32 20, i32* %GVe |
| 11 | ret void |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 12 | } |
| 13 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 14 | define i32 @get() { |
| 15 | %GV = load i32** @G ; <i32*> [#uses=1] |
| 16 | %GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1] |
| 17 | %V = load i32* %GVe ; <i32> [#uses=1] |
| 18 | ret i32 %V |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 19 | } |
| 20 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 21 | define i1 @check() { |
| 22 | %GV = load i32** @G ; <i32*> [#uses=1] |
| 23 | %V = icmp eq i32* %GV, null ; <i1> [#uses=1] |
| 24 | ret i1 %V |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 25 | } |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 26 | |