23 lines
571 B
LLVM
23 lines
571 B
LLVM
; RUN: opt < %s -inline -S | grep example
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%IntArray = type { i32, [0 x ptr] }
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declare void @llvm.gcroot(ptr, ptr) nounwind
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define i32 @f() {
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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 ptr ; <ptr> [#uses=2]
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call void @llvm.gcroot( ptr %root, ptr null )
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%obj = call ptr @h( ) ; <ptr> [#uses=2]
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store ptr %obj, ptr %root
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%Length.ptr = getelementptr %IntArray, ptr %obj, i32 0, i32 0 ; <ptr> [#uses=1]
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%Length = load i32, ptr %Length.ptr ; <i32> [#uses=1]
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ret i32 %Length
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}
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declare ptr @h()
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