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7e1ea5d533
Summary: With the new pass manager, it is not possible to obtain a pointer to the pass. Reviewers: jfb, rinon, yln Subscribers: hiraditya, dexonsmith, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D73390
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
//===- unittests/IR/ModuleTest.cpp - Module unit tests --------------------===//
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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/IR/Module.h"
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#include "llvm/IR/GlobalVariable.h"
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#include "llvm/Pass.h"
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#include "llvm/Support/RandomNumberGenerator.h"
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#include "gtest/gtest.h"
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#include <random>
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using namespace llvm;
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namespace {
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bool sortByName(const GlobalVariable &L, const GlobalVariable &R) {
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return L.getName() < R.getName();
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}
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bool sortByNameReverse(const GlobalVariable &L, const GlobalVariable &R) {
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return sortByName(R, L);
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}
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TEST(ModuleTest, sortGlobalsByName) {
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LLVMContext Context;
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for (auto compare : {&sortByName, &sortByNameReverse}) {
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Module M("M", Context);
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Type *T = Type::getInt8Ty(Context);
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GlobalValue::LinkageTypes L = GlobalValue::ExternalLinkage;
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(void)new GlobalVariable(M, T, false, L, nullptr, "A");
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(void)new GlobalVariable(M, T, false, L, nullptr, "F");
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(void)new GlobalVariable(M, T, false, L, nullptr, "G");
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(void)new GlobalVariable(M, T, false, L, nullptr, "E");
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(void)new GlobalVariable(M, T, false, L, nullptr, "B");
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(void)new GlobalVariable(M, T, false, L, nullptr, "H");
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(void)new GlobalVariable(M, T, false, L, nullptr, "C");
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(void)new GlobalVariable(M, T, false, L, nullptr, "D");
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// Sort the globals by name.
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EXPECT_FALSE(std::is_sorted(M.global_begin(), M.global_end(), compare));
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M.getGlobalList().sort(compare);
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EXPECT_TRUE(std::is_sorted(M.global_begin(), M.global_end(), compare));
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}
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}
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TEST(ModuleTest, randomNumberGenerator) {
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LLVMContext Context;
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static char ID;
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struct DummyPass : ModulePass {
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DummyPass() : ModulePass(ID) {}
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bool runOnModule(Module &) { return true; }
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} DP;
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Module M("R", Context);
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std::uniform_int_distribution<int> dist;
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const size_t NBCheck = 10;
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std::array<int, NBCheck> RandomStreams[2];
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for (auto &RandomStream : RandomStreams) {
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std::unique_ptr<RandomNumberGenerator> RNG = M.createRNG(DP.getPassName());
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std::generate(RandomStream.begin(), RandomStream.end(),
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[&]() { return dist(*RNG); });
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}
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EXPECT_TRUE(std::equal(RandomStreams[0].begin(), RandomStreams[0].end(),
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RandomStreams[1].begin()));
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}
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} // end namespace
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