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ea195a382e
At the same time, fixes InstructionsTest::CastInst unittest: yes you can leave the IR in an invalid state and exit when you don't destroy the context (like the global one), no longer now. This is the first part of http://reviews.llvm.org/D19094 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 266379
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/Constants.h"
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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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TEST(WaymarkTest, NativeArray) {
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LLVMContext Context;
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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, [&](char c) {
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return ConstantInt::get(Type::getInt8Ty(Context), c);
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});
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FunctionType *FT = FunctionType::get(Type::getVoidTy(Context), true);
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std::unique_ptr<Function> F(
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Function::Create(FT, GlobalValue::ExternalLinkage));
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const CallInst *A = CallInst::Create(F.get(), makeArrayRef(values));
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ASSERT_NE(A, (const CallInst*)nullptr);
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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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