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645a86f5fb
Tested: valgrind --leak-check=full unittests/VMCore/Debug/VMCoreTests git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98411 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
//===- llvm/unittest/VMCore/VerifierTest.cpp - Verifier 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/Constants.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/Function.h"
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#include "llvm/Instructions.h"
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#include "llvm/LLVMContext.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/Analysis/Verifier.h"
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#include "gtest/gtest.h"
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namespace llvm {
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namespace {
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TEST(VerifierTest, Branch_i1) {
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LLVMContext &C = getGlobalContext();
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FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), /*isVarArg=*/false);
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OwningPtr<Function> F(Function::Create(FTy, GlobalValue::ExternalLinkage));
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BasicBlock *Entry = BasicBlock::Create(C, "entry", F.get());
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BasicBlock *Exit = BasicBlock::Create(C, "exit", F.get());
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ReturnInst::Create(C, Exit);
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// To avoid triggering an assertion in BranchInst::Create, we first create
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// a branch with an 'i1' condition ...
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Constant *False = ConstantInt::getFalse(C);
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BranchInst *BI = BranchInst::Create(Exit, Exit, False, Entry);
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// ... then use setOperand to redirect it to a value of different type.
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Constant *Zero32 = ConstantInt::get(IntegerType::get(C, 32), 0);
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BI->setOperand(0, Zero32);
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EXPECT_TRUE(verifyFunction(*F, ReturnStatusAction));
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}
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}
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}
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