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Imported Upstream version 5.18.0.234

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Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f
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Xamarin Public Jenkins (auto-signing)
2019-01-08 08:22:36 +00:00
parent f32dbaf0b2
commit 212f6bafcb
28494 changed files with 359 additions and 3867025 deletions
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38
external/llvm/test/Analysis/CFLAliasAnalysis/Andersen/interproc-ret-unknown.ll vendored
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@ -1,38 +0,0 @@
; This testcase ensures that CFL AA answers queries soundly when callee tries
; to return an unknown pointer
; 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 i32* @return_unknown_callee(i32* %arg1, i32* %arg2) {
ret i32* @g
}
; CHECK-LABEL: Function: test_return_unknown
; CHECK: NoAlias: i32* %a, i32* %b
; CHECK: MayAlias: i32* %c, i32* %x
; CHECK: NoAlias: i32* %a, i32* %c
; CHECK: NoAlias: i32* %b, i32* %c
define void @test_return_unknown(i32* %x) {
%a = alloca i32, align 4
%b = alloca i32, align 4
%c = call i32* @return_unknown_callee(i32* %a, i32* %b)
ret void
}
@g2 = external global i32*
define i32** @return_unknown_callee2() {
ret i32** @g2
}
; CHECK-LABEL: Function: test_return_unknown2
; CHECK: MayAlias: i32* %x, i32** %a
; CHECK: MayAlias: i32* %b, i32* %x
; CHECK: MayAlias: i32* %b, i32** %a
define void @test_return_unknown2(i32* %x) {
%a = call i32** @return_unknown_callee2()
%b = load i32*, i32** %a
ret void
}