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 
24 TEST_F(AttributorTestBase, IRPPositionCallBaseContext) {
25   const char *ModuleString = R"(
26     define i32 @foo(i32 %a) {
27     entry:
28       ret i32 %a
29     }
30   )";
31 
32   parseModule(ModuleString);
33 
34   Function *F = M->getFunction("foo");
35   IRPosition Pos =
36       IRPosition::function(*F, (const llvm::CallBase *)(uintptr_t)0xDEADBEEF);
37   EXPECT_TRUE(Pos.hasCallBaseContext());
38   EXPECT_FALSE(Pos.stripCallBaseContext().hasCallBaseContext());
39 }
40 
41 TEST_F(AttributorTestBase, TestCast) {
42   const char *ModuleString = R"(
43     define i32 @foo(i32 %a, i32 %b) {
44     entry:
45       %c = add i32 %a, %b
46       ret i32 %c
47     }
48   )";
49 
50   Module &M = parseModule(ModuleString);
51 
52   SetVector<Function *> Functions;
53   AnalysisGetter AG;
54   for (Function &F : M)
55     Functions.insert(&F);
56 
57   CallGraphUpdater CGUpdater;
58   BumpPtrAllocator Allocator;
59   InformationCache InfoCache(M, AG, Allocator, nullptr);
60   Attributor A(Functions, InfoCache, CGUpdater);
61 
62   Function *F = M.getFunction("foo");
63 
64   const AbstractAttribute *AA =
65       &A.getOrCreateAAFor<AAIsDead>(IRPosition::function(*F));
66 
67   EXPECT_TRUE(AA);
68 
69   const auto *SFail = dyn_cast<AAAlign>(AA);
70   const auto *SSucc = dyn_cast<AAIsDead>(AA);
71 
72   ASSERT_EQ(SFail, nullptr);
73   ASSERT_TRUE(SSucc);
74 }
75 
76 } // namespace llvm
77