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author | Chandler Carruth <chandlerc@gmail.com> | 2013-01-07 15:35:46 +0000 |
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committer | Chandler Carruth <chandlerc@gmail.com> | 2013-01-07 15:35:46 +0000 |
commit | 74b6a77d75cb34d55aa4f3b450fa12990fe292e8 (patch) | |
tree | 45ca25f69335e8cf42775ef9df14ef828a8dc59b /llvm/unittests/IR/VerifierTest.cpp | |
parent | 839a98e687334ef2839b12c4ce3ece919a86142d (diff) | |
download | llvm-74b6a77d75cb34d55aa4f3b450fa12990fe292e8.zip llvm-74b6a77d75cb34d55aa4f3b450fa12990fe292e8.tar.gz llvm-74b6a77d75cb34d55aa4f3b450fa12990fe292e8.tar.bz2 |
Rename the VMCore unittest tree to IR. Somehow was missed when doing the
library rename.
llvm-svn: 171747
Diffstat (limited to 'llvm/unittests/IR/VerifierTest.cpp')
-rw-r--r-- | llvm/unittests/IR/VerifierTest.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/llvm/unittests/IR/VerifierTest.cpp b/llvm/unittests/IR/VerifierTest.cpp new file mode 100644 index 0000000..8911936 --- /dev/null +++ b/llvm/unittests/IR/VerifierTest.cpp @@ -0,0 +1,64 @@ +//===- llvm/unittest/IR/VerifierTest.cpp - Verifier unit tests ------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Analysis/Verifier.h" +#include "llvm/ADT/OwningPtr.h" +#include "llvm/IR/Constants.h" +#include "llvm/IR/DerivedTypes.h" +#include "llvm/IR/Function.h" +#include "llvm/IR/GlobalAlias.h" +#include "llvm/IR/GlobalVariable.h" +#include "llvm/IR/Instructions.h" +#include "llvm/IR/LLVMContext.h" +#include "llvm/IR/Module.h" +#include "gtest/gtest.h" + +namespace llvm { +namespace { + +TEST(VerifierTest, Branch_i1) { + LLVMContext &C = getGlobalContext(); + FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), /*isVarArg=*/false); + OwningPtr<Function> F(Function::Create(FTy, GlobalValue::ExternalLinkage)); + BasicBlock *Entry = BasicBlock::Create(C, "entry", F.get()); + BasicBlock *Exit = BasicBlock::Create(C, "exit", F.get()); + ReturnInst::Create(C, Exit); + + // To avoid triggering an assertion in BranchInst::Create, we first create + // a branch with an 'i1' condition ... + + Constant *False = ConstantInt::getFalse(C); + BranchInst *BI = BranchInst::Create(Exit, Exit, False, Entry); + + // ... then use setOperand to redirect it to a value of different type. + + Constant *Zero32 = ConstantInt::get(IntegerType::get(C, 32), 0); + BI->setOperand(0, Zero32); + + EXPECT_TRUE(verifyFunction(*F, ReturnStatusAction)); +} + +TEST(VerifierTest, AliasUnnamedAddr) { + LLVMContext &C = getGlobalContext(); + Module M("M", C); + Type *Ty = Type::getInt8Ty(C); + Constant *Init = Constant::getNullValue(Ty); + GlobalVariable *Aliasee = new GlobalVariable(M, Ty, true, + GlobalValue::ExternalLinkage, + Init, "foo"); + GlobalAlias *GA = new GlobalAlias(Type::getInt8PtrTy(C), + GlobalValue::ExternalLinkage, + "bar", Aliasee, &M); + GA->setUnnamedAddr(true); + std::string Error; + EXPECT_TRUE(verifyModule(M, ReturnStatusAction, &Error)); + EXPECT_TRUE(StringRef(Error).startswith("Alias cannot have unnamed_addr")); +} +} +} |