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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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36
external/llvm/test/Analysis/CFLAliasAnalysis/Steensgaard/interproc-store-arg.ll vendored
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@ -1,36 +0,0 @@
; 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-steens-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
; RUN: opt < %s -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
define void @store_arg_callee(i32** %arg1, i32* %arg2) {
store i32* %arg2, i32** %arg1
ret void
}
; CHECK-LABEL: Function: test_store_arg
; CHECK: NoAlias: i32* %a, i32** %p
; CHECK: NoAlias: i32* %b, i32** %p
; CHECK: MayAlias: i32* %a, i32* %lp
; CHECK: MayAlias: i32* %b, i32* %lp
; CHECK: MayAlias: i32* %b, i32* %lq
; CHECK: MayAlias: i32* %lp, i32* %lq
; We could've proven the following facts if the analysis were inclusion-based:
; NoAlias: i32* %a, i32* %b
; NoAlias: i32* %a, i32* %lq
define void @test_store_arg() {
%a = alloca i32, align 4
%b = alloca i32, align 4
%p = alloca i32*, align 8
%q = alloca i32*, align 8
store i32* %a, i32** %p
store i32* %b, i32** %q
call void @store_arg_callee(i32** %p, i32* %b)
%lp = load i32*, i32** %p
%lq = load i32*, i32** %q
ret void
}