//===- llvm/unittest/IR/WaymarkTest.cpp - getUser() unit tests ------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // we perform white-box tests // #include "llvm/IR/Function.h" #include "llvm/IR/Instructions.h" #include "llvm/IR/LLVMContext.h" #include "gtest/gtest.h" #include <algorithm> namespace llvm { namespace { Constant *char2constant(char c) { return ConstantInt::get(Type::getInt8Ty(getGlobalContext()), c); } TEST(WaymarkTest, NativeArray) { static uint8_t tail[22] = "s02s33s30y2y0s1x0syxS"; Value * values[22]; std::transform(tail, tail + 22, values, char2constant); FunctionType *FT = FunctionType::get(Type::getVoidTy(getGlobalContext()), true); Function *F = Function::Create(FT, GlobalValue::ExternalLinkage); const CallInst *A = CallInst::Create(F, makeArrayRef(values)); ASSERT_NE(A, (const CallInst*)NULL); ASSERT_EQ(1U + 22, A->getNumOperands()); const Use *U = &A->getOperandUse(0); const Use *Ue = &A->getOperandUse(22); for (; U != Ue; ++U) { EXPECT_EQ(A, U->getUser()); } delete A; } TEST(WaymarkTest, TwoBit) { Use* many = (Use*)calloc(sizeof(Use), 8212 + 1); ASSERT_TRUE(many); Use::initTags(many, many + 8212); for (Use *U = many, *Ue = many + 8212 - 1; U != Ue; ++U) { EXPECT_EQ(reinterpret_cast<User *>(Ue + 1), U->getUser()); } free(many); } } // end anonymous namespace } // end namespace llvm