1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
//===- llvm/unittest/CodeGen/GCMetadata.cpp -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/GCMetadata.h"
#include "llvm/Analysis/CGSCCPassManager.h"
#include "llvm/Analysis/LoopAnalysisManager.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/IR/Analysis.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Support/SourceMgr.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
std::unique_ptr<Module> parseIR(LLVMContext &Context, const char *IR) {
SMDiagnostic Err;
return parseAssemblyString(IR, Err, Context);
}
class GCMetadataTest : public ::testing::Test {
protected:
LLVMContext Context;
std::unique_ptr<Module> M;
public:
GCMetadataTest()
: M(parseIR(Context, R"(
%Env = type ptr
define void @.main(%Env) gc "shadow-stack" {
%Root = alloca %Env
call void @llvm.gcroot( ptr %Root, %Env null )
unreachable
}
define void @g() gc "erlang" {
entry:
ret void
}
declare void @llvm.gcroot(ptr, %Env)
)")) {}
};
TEST_F(GCMetadataTest, Basic) {
LoopAnalysisManager LAM;
FunctionAnalysisManager FAM;
CGSCCAnalysisManager CGAM;
ModuleAnalysisManager MAM;
PassBuilder PB;
PB.registerModuleAnalyses(MAM);
PB.registerCGSCCAnalyses(CGAM);
PB.registerFunctionAnalyses(FAM);
PB.registerLoopAnalyses(LAM);
PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
ModulePassManager MPM;
FunctionPassManager FPM;
GCStrategyMap &StrategyMap = MAM.getResult<CollectorMetadataAnalysis>(*M);
for (auto &[GCName, Strategy] : StrategyMap)
EXPECT_EQ(GCName, Strategy->getName());
for (auto &[GCName, Strategy] : llvm::reverse(StrategyMap))
EXPECT_EQ(GCName, Strategy->getName());
}
} // namespace
|
