Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/unittests/Analysis/MemoryBuiltinsTest.cpp

@@ -1,50 +0,0 @@
-//===- MemoryBuiltinsTest.cpp - Tests for utilities in MemoryBuiltins.h ---===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Analysis/MemoryBuiltins.h"
-#include "llvm/IR/Attributes.h"
-#include "llvm/IR/Constants.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Module.h"
-#include "gtest/gtest.h"
-
-using namespace llvm;
-
-namespace {
-// allocsize should not imply that a function is a traditional allocation
-// function (e.g. that can be optimized out/...); it just tells us how many
-// bytes exist at the pointer handed back by the function.
-TEST(AllocSize, AllocationBuiltinsTest) {
-  LLVMContext Context;
-  Module M("", Context);
-  IntegerType *ArgTy = Type::getInt32Ty(Context);
-
-  Function *AllocSizeFn = Function::Create(
-      FunctionType::get(Type::getInt8PtrTy(Context), {ArgTy}, false),
-      GlobalValue::ExternalLinkage, "F", &M);
-
-  AllocSizeFn->addFnAttr(Attribute::getWithAllocSizeArgs(Context, 1, None));
-
-  // 100 is arbitrary.
-  std::unique_ptr<CallInst> Caller(
-      CallInst::Create(AllocSizeFn, {ConstantInt::get(ArgTy, 100)}));
-
-  const TargetLibraryInfo *TLI = nullptr;
-  EXPECT_FALSE(isNoAliasFn(Caller.get(), TLI));
-  EXPECT_FALSE(isMallocLikeFn(Caller.get(), TLI));
-  EXPECT_FALSE(isCallocLikeFn(Caller.get(), TLI));
-  EXPECT_FALSE(isAllocLikeFn(Caller.get(), TLI));
-
-  // FIXME: We might be able to treat allocsize functions as general allocation
-  // functions. For the moment, being conservative seems better (and we'd have
-  // to plumb stuff around `isNoAliasFn`).
-  EXPECT_FALSE(isAllocationFn(Caller.get(), TLI));
-}
-}