Victor Hernandez | 6203d9d | 2009-10-17 00:00:19 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -globalopt -globaldce -S | not grep malloc |
Victor Hernandez | 955449e | 2009-11-07 00:16:28 +0000 | [diff] [blame] | 2 | target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 3 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 4 | @G = internal global i32* null ; <i32**> [#uses=3] |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 5 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 6 | define void @init() { |
Victor Hernandez | 955449e | 2009-11-07 00:16:28 +0000 | [diff] [blame] | 7 | %malloccall = tail call i8* @malloc(i64 mul (i64 100, i64 4)) ; <i8*> [#uses=1] |
| 8 | %P = bitcast i8* %malloccall to i32* ; <i32*> [#uses=1] |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 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 | |
Victor Hernandez | 955449e | 2009-11-07 00:16:28 +0000 | [diff] [blame] | 16 | declare noalias i8* @malloc(i64) |
| 17 | |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 18 | define i32 @get() { |
| 19 | %GV = load i32** @G ; <i32*> [#uses=1] |
| 20 | %GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1] |
| 21 | %V = load i32* %GVe ; <i32> [#uses=1] |
| 22 | ret i32 %V |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 23 | } |
Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 24 | |