mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-27 13:30:05 +00:00
24 lines
670 B
LLVM
24 lines
670 B
LLVM
|
; RUN: llvm-as < %s | opt -inline | llvm-dis | 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()
|