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; This testcase ensures that AliasAttrs are propagated not only on the same
; level but also downward.
; RUN: opt < %s -disable-basic-aa -cfl-anders-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
; RUN: opt < %s -aa-pipeline=cfl-anders-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
; CHECK-LABEL: Function: test_attr_below
; CHECK: MayAlias: i64* %q, i64*** %p
; CHECK: NoAlias: i64* %esc, i64*** %p
; CHECK: NoAlias: i64* %esc, i64* %q
; CHECK: MayAlias: i64* %unknown, i64*** %p
; CHECK: MayAlias: i64* %q, i64* %unknown
; CHECK: MayAlias: i64* %esc, i64* %unknown
; CHECK: MayAlias: i64* %q, i64** %pdrf
; CHECK: MayAlias: i64* %esc, i64** %pdrf
; CHECK: MayAlias: i64* %unknown, i64** %pdrf
; CHECK: MayAlias: i64* %pdrf2, i64* %q
; CHECK: MayAlias: i64* %esc, i64* %pdrf2
; CHECK: MayAlias: i64* %pdrf2, i64* %unknown
define void @test_attr_below(i64*** %p, i64* %q) {
%esc = alloca i64, align 8
%escint = ptrtoint i64* %esc to i64
%unknown = inttoptr i64 %escint to i64*
%pdrf = load i64**, i64*** %p
%pdrf2 = load i64*, i64** %pdrf
ret void
}
; CHECK-LABEL: Function: test_attr_assign_below
; CHECK: MayAlias: i64** %sel, i64*** %p
; CHECK: MayAlias: i64* %q, i64** %sel
; CHECK: MayAlias: i64** %a, i64** %sel
; CHECK: MayAlias: i64** %pdrf, i64** %sel
; CHECK: MayAlias: i64** %c, i64*** %p
; CHECK: MayAlias: i64* %q, i64** %c
; CHECK: MayAlias: i64** %a, i64** %c
; CHECK: MayAlias: i64** %c, i64** %pdrf
; CHECK: MayAlias: i64** %c, i64** %sel
; CHECK: MayAlias: i64* %d, i64*** %p
; CHECK: MayAlias: i64* %d, i64* %q
; CHECK: MayAlias: i64* %d, i64** %pdrf
; CHECK: MayAlias: i64* %d, i64** %sel
define void @test_attr_assign_below(i64*** %p, i64* %q, i1 %cond) {
%a = alloca i64*, align 8
%pdrf = load i64**, i64*** %p
%sel = select i1 %cond, i64** %a, i64** %pdrf
%b = alloca i64**, align 8
store i64** %sel, i64*** %b
%c = load i64**, i64*** %b
%d = load i64*, i64** %c
ret void
}
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