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d422e9f114
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173239 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
//===- llvm/unittest/IR/WaymarkTest.cpp - getUser() 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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// we perform white-box tests
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//
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#include "llvm/IR/Function.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/LLVMContext.h"
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#include "gtest/gtest.h"
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#include <algorithm>
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namespace llvm {
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namespace {
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Constant *char2constant(char c) {
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return ConstantInt::get(Type::getInt8Ty(getGlobalContext()), c);
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}
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TEST(WaymarkTest, NativeArray) {
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static uint8_t tail[22] = "s02s33s30y2y0s1x0syxS";
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Value * values[22];
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std::transform(tail, tail + 22, values, char2constant);
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FunctionType *FT = FunctionType::get(Type::getVoidTy(getGlobalContext()), true);
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Function *F = Function::Create(FT, GlobalValue::ExternalLinkage);
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const CallInst *A = CallInst::Create(F, makeArrayRef(values));
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ASSERT_NE(A, (const CallInst*)NULL);
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ASSERT_EQ(1U + 22, A->getNumOperands());
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const Use *U = &A->getOperandUse(0);
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const Use *Ue = &A->getOperandUse(22);
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for (; U != Ue; ++U)
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{
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EXPECT_EQ(A, U->getUser());
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}
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delete A;
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}
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TEST(WaymarkTest, TwoBit) {
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Use* many = (Use*)calloc(sizeof(Use), 8212 + 1);
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ASSERT_TRUE(many);
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Use::initTags(many, many + 8212);
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for (Use *U = many, *Ue = many + 8212 - 1; U != Ue; ++U)
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{
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EXPECT_EQ(reinterpret_cast<User *>(Ue + 1), U->getUser());
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}
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free(many);
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}
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} // end anonymous namespace
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} // end namespace llvm
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