1 //===- AttributorTest.cpp - Attributor unit tests ------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===---------------------------------------------------------------------===//
8
9 #include "llvm/Transforms/IPO/Attributor.h"
10 #include "AttributorTestBase.h"
11 #include "llvm/ADT/StringRef.h"
12 #include "llvm/Analysis/CGSCCPassManager.h"
13 #include "llvm/Analysis/CallGraphSCCPass.h"
14 #include "llvm/Analysis/LoopAnalysisManager.h"
15 #include "llvm/AsmParser/Parser.h"
16 #include "llvm/Support/Allocator.h"
17 #include "llvm/Testing/Support/Error.h"
18 #include "llvm/Transforms/Utils/CallGraphUpdater.h"
19 #include "gtest/gtest.h"
20 #include <memory>
21
22 namespace llvm {
23
TEST_F(AttributorTestBase,TestCast)24 TEST_F(AttributorTestBase, TestCast) {
25 const char *ModuleString = R"(
26 define i32 @foo(i32 %a, i32 %b) {
27 entry:
28 %c = add i32 %a, %b
29 ret i32 %c
30 }
31 )";
32
33 Module &M = parseModule(ModuleString);
34
35 SetVector<Function *> Functions;
36 AnalysisGetter AG;
37 for (Function &F : M)
38 Functions.insert(&F);
39
40 CallGraphUpdater CGUpdater;
41 BumpPtrAllocator Allocator;
42 InformationCache InfoCache(M, AG, Allocator, nullptr);
43 Attributor A(Functions, InfoCache, CGUpdater);
44
45 Function *F = M.getFunction("foo");
46
47 const AbstractAttribute *AA =
48 &A.getOrCreateAAFor<AAIsDead>(IRPosition::function(*F));
49
50 EXPECT_TRUE(AA);
51
52 const auto *SFail = dyn_cast<AAAlign>(AA);
53 const auto *SSucc = dyn_cast<AAIsDead>(AA);
54
55 ASSERT_EQ(SFail, nullptr);
56 ASSERT_TRUE(SSucc);
57 }
58
59 } // namespace llvm