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