14836597f5
Use `MapVector` so `GCStrategyMap` can support forward and reverse iterator, which is required in `AsmPrinter`.
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
//===- llvm/unittest/CodeGen/GCMetadata.cpp -------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/GCMetadata.h"
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#include "llvm/Analysis/CGSCCPassManager.h"
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#include "llvm/Analysis/LoopAnalysisManager.h"
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#include "llvm/AsmParser/Parser.h"
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#include "llvm/IR/Analysis.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/Passes/PassBuilder.h"
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#include "llvm/Support/SourceMgr.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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std::unique_ptr<Module> parseIR(LLVMContext &Context, const char *IR) {
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SMDiagnostic Err;
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return parseAssemblyString(IR, Err, Context);
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}
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class GCMetadataTest : public ::testing::Test {
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protected:
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LLVMContext Context;
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std::unique_ptr<Module> M;
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public:
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GCMetadataTest()
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: M(parseIR(Context, R"(
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%Env = type ptr
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define void @.main(%Env) gc "shadow-stack" {
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%Root = alloca %Env
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call void @llvm.gcroot( ptr %Root, %Env null )
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unreachable
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}
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define void @g() gc "erlang" {
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entry:
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ret void
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}
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declare void @llvm.gcroot(ptr, %Env)
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)")) {}
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};
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TEST_F(GCMetadataTest, Basic) {
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LoopAnalysisManager LAM;
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FunctionAnalysisManager FAM;
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CGSCCAnalysisManager CGAM;
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ModuleAnalysisManager MAM;
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PassBuilder PB;
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PB.registerModuleAnalyses(MAM);
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PB.registerCGSCCAnalyses(CGAM);
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PB.registerFunctionAnalyses(FAM);
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PB.registerLoopAnalyses(LAM);
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PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
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ModulePassManager MPM;
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FunctionPassManager FPM;
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GCStrategyMap &StrategyMap = MAM.getResult<CollectorMetadataAnalysis>(*M);
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for (auto &[GCName, Strategy] : StrategyMap)
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EXPECT_EQ(GCName, Strategy->getName());
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for (auto &[GCName, Strategy] : llvm::reverse(StrategyMap))
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EXPECT_EQ(GCName, Strategy->getName());
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}
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} // namespace
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