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Imported Upstream version 5.18.0.225

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Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
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Xamarin Public Jenkins (auto-signing)
2018-12-21 19:01:49 +00:00
parent 32d52ae4ca
commit f32dbaf0b2
28477 changed files with 3866961 additions and 38 deletions
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32
external/llvm/test/Analysis/CFLAliasAnalysis/Andersen/interproc-store-arg-unknown.ll vendored Normal file
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; This testcase ensures that CFL AA answers queries soundly when callee tries
; to mutate the memory pointed to by its parameters
; RUN: opt < %s -disable-basicaa -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
@g = external global i32
define void @store_arg_unknown_callee(i32** %arg1) {
store i32* @g, i32** %arg1
ret void
}
; CHECK-LABEL: Function: test_store_arg_unknown
; CHECK: NoAlias: i32* %x, i32** %p
; CHECK: NoAlias: i32* %a, i32** %p
; CHECK: NoAlias: i32* %b, i32** %p
; CHECK: MayAlias: i32* %lp, i32* %x
; CHECK: MayAlias: i32* %a, i32* %lp
; CHECK: NoAlias: i32* %b, i32* %lp
; CHECK: NoAlias: i32* %lp, i32** %p
define void @test_store_arg_unknown(i32* %x) {
%a = alloca i32, align 4
%b = alloca i32, align 4
%p = alloca i32*, align 8
store i32* %a, i32** %p
call void @store_arg_unknown_callee(i32** %p)
%lp = load i32*, i32** %p
ret void
}