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3c0d60785c
clang-format (https://reviews.llvm.org/D33932) to keep primary headers at the top and handle new utility headers like 'gmock' consistently with other utility headers. No other change was made. I did no manual edits, all of this is clang-format. This should allow other changes to have more clear and focused diffs, and is especially motivated by moving some headers into more focused libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304786 91177308-0d34-0410-b5e6-96231b3b80d8
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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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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/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)};
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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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