| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -inline -S | grep example |
| Gordon Henriksen | a86e919 | 2007-12-25 03:10:07 +0000 | [diff] [blame] | 2 | |
| 3 | %IntArray = type { i32, [0 x i32*] } |
| 4 | |
| 5 | declare void @llvm.gcroot(i8**, i8*) nounwind |
| 6 | |
| 7 | define i32 @f() { |
| 8 | %x = call i32 @g( ) ; <i32> [#uses=1] |
| 9 | ret i32 %x |
| 10 | } |
| 11 | |
| 12 | define internal i32 @g() gc "example" { |
| 13 | %root = alloca i8* ; <i8**> [#uses=2] |
| 14 | call void @llvm.gcroot( i8** %root, i8* null ) |
| 15 | %obj = call %IntArray* @h( ) ; <%IntArray*> [#uses=2] |
| 16 | %obj.2 = bitcast %IntArray* %obj to i8* ; <i8*> [#uses=1] |
| 17 | store i8* %obj.2, i8** %root |
| 18 | %Length.ptr = getelementptr %IntArray* %obj, i32 0, i32 0 ; <i32*> [#uses=1] |
| 19 | %Length = load i32* %Length.ptr ; <i32> [#uses=1] |
| 20 | ret i32 %Length |
| 21 | } |
| 22 | |
| 23 | declare %IntArray* @h() |