Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/CFLAliasAnalysis/Andersen/interproc-ret-ref-arg-multilevel.ll

@@ -1,53 +0,0 @@
-; This testcase ensures that CFL AA answers queries soundly when callee tries 
-; to return the multi-level reference of 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
-
-declare noalias i8* @malloc(i64)
-
-define i32*** @return_ref_arg_multilevel_callee(i32* %arg1) {
-	%ptr = call noalias i8* @malloc(i64 8)
-	%ptr_cast = bitcast i8* %ptr to i32***
-  %ptr2 = call noalias i8* @malloc(i64 8)
-  %ptr_cast2 = bitcast i8* %ptr2 to i32**
-	store i32* %arg1, i32** %ptr_cast2
-  store i32** %ptr_cast2, i32*** %ptr_cast
-	ret i32*** %ptr_cast
-}
-; CHECK-LABEL: Function: test_return_ref_arg_multilevel
-; CHECK: NoAlias: i32* %a, i32*** %b
-; CHECK: NoAlias: i32** %p, i32*** %b
-; CHECK: NoAlias: i32*** %b, i32*** %pp
-; CHECK: NoAlias: i32* %a, i32** %lb
-; CHECK: NoAlias: i32** %lb, i32** %p
-; CHECK: NoAlias: i32** %lb, i32*** %pp
-; CHECK: NoAlias: i32** %lb, i32*** %b
-; CHECK: MayAlias: i32* %a, i32* %lb_deref
-; CHECK: NoAlias: i32* %lb_deref, i32** %lpp
-; CHECK: MayAlias: i32* %lb_deref, i32* %lpp_deref
-; CHECK: NoAlias: i32* %lpp_deref, i32** %lpp
-; CHECK: MayAlias: i32* %lb_deref, i32* %lp
-; CHECK: NoAlias: i32* %lp, i32** %lpp
-; CHECK: MayAlias: i32* %lp, i32* %lpp_deref
-
-; Temporarily disable modref checks
-; Just Mod: Ptr: i32*** %b <-> %b = call i32*** @return_ref_arg_multilevel_callee(i32* %a)
-; Just Mod: Ptr: i32** %lb <-> %b = call i32*** @return_ref_arg_multilevel_callee(i32* %a)
-define void @test_return_ref_arg_multilevel() {
-  %a = alloca i32, align 4
-  %p = alloca i32*, align 8
-  %pp = alloca i32**, align 8
-
-  store i32* %a, i32** %p
-  store i32** %p, i32*** %pp
-  %b = call i32*** @return_ref_arg_multilevel_callee(i32* %a)
-
-  %lb = load i32**, i32*** %b
-  %lb_deref = load i32*, i32** %lb
-  %lpp = load i32**, i32*** %pp
-  %lpp_deref = load i32*, i32** %lpp
-  %lp = load i32*, i32** %p
-
-  ret void
-}