25 lines
721 B
LLVM
25 lines
721 B
LLVM
; RUN: opt < %s -inline -S | grep sample
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; RUN: opt < %s -inline -S | grep example
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%IntArray = type { i32, [0 x i32*] }
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declare void @llvm.gcroot(i8**, i8*) nounwind
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define i32 @f() gc "sample" {
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%x = call i32 @g( ) ; <i32> [#uses=1]
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ret i32 %x
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}
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define internal i32 @g() gc "example" {
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%root = alloca i8* ; <i8**> [#uses=2]
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call void @llvm.gcroot( i8** %root, i8* null )
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%obj = call %IntArray* @h( ) ; <%IntArray*> [#uses=2]
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%obj.2 = bitcast %IntArray* %obj to i8* ; <i8*> [#uses=1]
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store i8* %obj.2, i8** %root
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%Length.ptr = getelementptr %IntArray, %IntArray* %obj, i32 0, i32 0 ; <i32*> [#uses=1]
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%Length = load i32, i32* %Length.ptr ; <i32> [#uses=1]
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ret i32 %Length
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}
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declare %IntArray* @h()
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