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; RUN: opt < %s -functionattrs -S | FileCheck %s
; CHECK: define i32* @a(i32** nocapture readonly %p)
define i32* @a(i32** %p) {
%tmp = load i32*, i32** %p
ret i32* %tmp
}
; CHECK: define i32* @b(i32* %q)
define i32* @b(i32 *%q) {
%mem = alloca i32*
store i32* %q, i32** %mem
%tmp = call i32* @a(i32** %mem)
ret i32* %tmp
}
; CHECK: define i32* @c(i32* readnone returned %r)
@g = global i32 0
define i32* @c(i32 *%r) {
%a = icmp eq i32* %r, null
store i32 1, i32* @g
ret i32* %r
}
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