Move the IRBuilder unittest from Support to VMCore. This got missed in

the original move of IRBuilder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160249 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 75 insertions, 0 deletions

diff --git a/unittests/VMCore/CMakeLists.txt b/unittests/VMCore/CMakeLists.txt
index b902930927..632eab5719 100644
--- a/unittests/VMCore/CMakeLists.txt
+++ b/unittests/VMCore/CMakeLists.txt
@@ -7,6 +7,7 @@ set(LLVM_LINK_COMPONENTS
 set(VMCoreSources
   ConstantsTest.cpp
   DominatorTreeTest.cpp
+  IRBuilderTest.cpp
   InstructionsTest.cpp
   MDBuilderTest.cpp
   MetadataTest.cpp
diff --git a/unittests/VMCore/IRBuilderTest.cpp b/unittests/VMCore/IRBuilderTest.cpp
new file mode 100644
index 0000000000..9be3ab9555
--- /dev/null
+++ b/unittests/VMCore/IRBuilderTest.cpp
@@ -0,0 +1,74 @@
+//===- llvm/unittest/VMCore/IRBuilderTest.cpp - IRBuilder tests -----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/BasicBlock.h"
+#include "llvm/Function.h"
+#include "llvm/IRBuilder.h"
+#include "llvm/IntrinsicInst.h"
+#include "llvm/LLVMContext.h"
+#include "llvm/Module.h"
+#include "llvm/ADT/OwningPtr.h"
+
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+namespace {
+
+class IRBuilderTest : public testing::Test {
+protected:
+  virtual void SetUp() {
+    M.reset(new Module("MyModule", getGlobalContext()));
+    FunctionType *FTy = FunctionType::get(Type::getVoidTy(getGlobalContext()),
+                                          /*isVarArg=*/false);
+    Function *F = Function::Create(FTy, Function::ExternalLinkage, "", M.get());
+    BB = BasicBlock::Create(getGlobalContext(), "", F);
+  }
+
+  virtual void TearDown() {
+    BB = 0;
+    M.reset();
+  }
+
+  OwningPtr<Module> M;
+  BasicBlock *BB;
+};
+
+TEST_F(IRBuilderTest, Lifetime) {
+  IRBuilder<> Builder(BB);
+  AllocaInst *Var1 = Builder.CreateAlloca(Builder.getInt8Ty());
+  AllocaInst *Var2 = Builder.CreateAlloca(Builder.getInt32Ty());
+  AllocaInst *Var3 = Builder.CreateAlloca(Builder.getInt8Ty(),
+                                          Builder.getInt32(123));
+
+  CallInst *Start1 = Builder.CreateLifetimeStart(Var1);
+  CallInst *Start2 = Builder.CreateLifetimeStart(Var2);
+  CallInst *Start3 = Builder.CreateLifetimeStart(Var3, Builder.getInt64(100));
+
+  EXPECT_EQ(Start1->getArgOperand(0), Builder.getInt64(-1));
+  EXPECT_EQ(Start2->getArgOperand(0), Builder.getInt64(-1));
+  EXPECT_EQ(Start3->getArgOperand(0), Builder.getInt64(100));
+
+  EXPECT_EQ(Start1->getArgOperand(1), Var1);
+  EXPECT_NE(Start2->getArgOperand(1), Var2);
+  EXPECT_EQ(Start3->getArgOperand(1), Var3);
+
+  Value *End1 = Builder.CreateLifetimeEnd(Var1);
+  Builder.CreateLifetimeEnd(Var2);
+  Builder.CreateLifetimeEnd(Var3);
+
+  IntrinsicInst *II_Start1 = dyn_cast<IntrinsicInst>(Start1);
+  IntrinsicInst *II_End1 = dyn_cast<IntrinsicInst>(End1);
+  ASSERT_TRUE(II_Start1 != NULL);
+  EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start);
+  ASSERT_TRUE(II_End1 != NULL);
+  EXPECT_EQ(II_End1->getIntrinsicID(), Intrinsic::lifetime_end);
+}
+
+}