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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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31
external/llvm/test/Analysis/CFLAliasAnalysis/Steensgaard/interproc-arg-escape.ll vendored Normal file
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; This testcase ensures that CFL AA answers queries soundly when callee tries
; to escape 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
declare void @opaque(i32*)
define void @escape_arg(i32* %arg) {
call void @opaque(i32* %arg)
ret void
}
; CHECK-LABEL: Function: test_arg_escape
; CHECK: NoAlias: i32* %a, i32** %x
; CHECK: NoAlias: i32* %b, i32** %x
; CHECK: NoAlias: i32* %a, i32* %b
; CHECK: NoAlias: i32* %c, i32** %x
; CHECK: NoAlias: i32* %a, i32* %c
; CHECK: NoAlias: i32* %b, i32* %c
; CHECK: MayAlias: i32* %a, i32* %d
; CHECK: MayAlias: i32* %b, i32* %d
; CHECK: NoAlias: i32* %c, i32* %d
define void @test_arg_escape(i32** %x) {
%a = alloca i32, align 4
%b = alloca i32, align 4
%c = alloca i32, align 4
call void @escape_arg(i32* %a)
call void @escape_arg(i32* %b)
%d = load i32*, i32** %x
ret void
}