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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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34
external/llvm/test/Analysis/CFLAliasAnalysis/Andersen/cycle.ll vendored Normal file
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; This testcase ensures that CFL AA handles assignment cycles correctly
; 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
; CHECK-LABEL: Function: test_cycle
; CHECK: NoAlias: i64* %a, i64** %b
; CHECK: NoAlias: i64* %a, i64*** %c
; CHECK: NoAlias: i64** %b, i64*** %c
; CHECK: NoAlias: i64* %a, i64**** %d
; CHECK: NoAlias: i64** %b, i64**** %d
; CHECK: NoAlias: i64*** %c, i64**** %d
; CHECK: NoAlias: i64* %a, i64* %e
; CHECK: NoAlias: i64* %e, i64** %b
; CHECK: NoAlias: i64* %e, i64*** %c
; CHECK: MayAlias: i64* %a, i64* %f
; CHECK: NoAlias: i64* %f, i64** %b
; CHECK: NoAlias: i64* %f, i64*** %c
; CHECK: MayAlias: i64* %f, i64**** %d
; CHECK: MayAlias: i64* %e, i64* %f
define void @test_cycle() {
%a = alloca i64, align 8
%b = alloca i64*, align 8
%c = alloca i64**, align 8
%d = alloca i64***, align 8
store i64* %a, i64** %b
store i64** %b, i64*** %c
store i64*** %c, i64**** %d
%e = bitcast i64**** %d to i64*
store i64* %e, i64** %b
%f = load i64*, i64** %b
ret void
}