Victor Hernandez | 6203d9d | 2009-10-17 00:00:19 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -globalopt -globaldce -S | not grep malloc |
| 2 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| 3 | target triple = "i686-apple-darwin8" |
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 | @G = internal global i32* null ; <i32**> [#uses=4] |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 6 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 7 | define void @init() { |
| 8 | %P = malloc i32, i32 100 ; <i32*> [#uses=1] |
| 9 | store i32* %P, i32** @G |
| 10 | %GV = load i32** @G ; <i32*> [#uses=1] |
| 11 | %GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1] |
| 12 | store i32 20, i32* %GVe |
| 13 | ret void |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 14 | } |
| 15 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 16 | define i32 @get() { |
| 17 | %GV = load i32** @G ; <i32*> [#uses=1] |
| 18 | %GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1] |
| 19 | %V = load i32* %GVe ; <i32> [#uses=1] |
| 20 | ret i32 %V |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 21 | } |
| 22 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 23 | define i1 @check() { |
| 24 | %GV = load i32** @G ; <i32*> [#uses=1] |
| 25 | %V = icmp eq i32* %GV, null ; <i1> [#uses=1] |
| 26 | ret i1 %V |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 27 | } |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 28 | |