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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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26
external/llvm/test/Analysis/CFLAliasAnalysis/Andersen/interproc-ret-arg.ll vendored Normal file
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; This testcase ensures that CFL AA answers queries soundly when callee tries
; to return one of 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
define i32* @return_arg_callee(i32* %arg1, i32* %arg2) {
ret i32* %arg1
}
; CHECK-LABEL: Function: test_return_arg
; CHECK: NoAlias: i32* %a, i32* %b
; CHECK: MayAlias: i32* %a, i32* %c
; CHECK: NoAlias: i32* %b, i32* %c
; Temporarily disable modref checks
; NoModRef: Ptr: i32* %a <-> %c = call i32* @return_arg_callee(i32* %a, i32* %b)
; NoModRef: Ptr: i32* %b <-> %c = call i32* @return_arg_callee(i32* %a, i32* %b)
; NoModRef: Ptr: i32* %c <-> %c = call i32* @return_arg_callee(i32* %a, i32* %b)
define void @test_return_arg() {
%a = alloca i32, align 4
%b = alloca i32, align 4
%c = call i32* @return_arg_callee(i32* %a, i32* %b)
ret void
}