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authorChandler Carruth <chandlerc@gmail.com>2013-01-07 15:35:46 +0000
committerChandler Carruth <chandlerc@gmail.com>2013-01-07 15:35:46 +0000
commitc779e96158cbac4c62df8e2053ab6a933eba5868 (patch)
tree0ec9e70170d75216c6f0ed5c994a0a0ba1fac2b3 /unittests/IR/VerifierTest.cpp
parent3251e81d793a293b78f4914be6093b405c24fc2a (diff)
Rename the VMCore unittest tree to IR. Somehow was missed when doing the
library rename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171747 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests/IR/VerifierTest.cpp')
-rw-r--r--unittests/IR/VerifierTest.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/unittests/IR/VerifierTest.cpp b/unittests/IR/VerifierTest.cpp
new file mode 100644
index 0000000000..89119368fb
--- /dev/null
+++ b/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"));
+}
+}
+}