add FMF for CreateCall variant
[oota-llvm.git] / unittests / IR / InstructionsTest.cpp
index 94065289e2ea37332f1c512da8258e52faaec788..3ca3ad2b6e8376c99828c66137f283a15bd7a290 100644 (file)
@@ -50,29 +50,58 @@ TEST(InstructionsTest, ReturnInst) {
   delete r1;
 }
 
-TEST(InstructionsTest, CallInst) {
-  LLVMContext &C(getGlobalContext());
-  std::unique_ptr<Module> M(new Module("MyModule", C));
+// Test fixture that provides a module and a single function within it. Useful
+// for tests that need to refer to the function in some way.
+class ModuleWithFunctionTest : public testing::Test {
+protected:
+  ModuleWithFunctionTest() : M(new Module("MyModule", Ctx)) {
+    FArgTypes.push_back(Type::getInt8Ty(Ctx));
+    FArgTypes.push_back(Type::getInt32Ty(Ctx));
+    FArgTypes.push_back(Type::getInt64Ty(Ctx));
+    FunctionType *FTy =
+        FunctionType::get(Type::getVoidTy(Ctx), FArgTypes, false);
+    F = Function::Create(FTy, Function::ExternalLinkage, "", M.get());
+  }
 
-  Type *ArgTypes[] = {Type::getInt8Ty(C), Type::getInt32Ty(C),
-                      Type::getInt64Ty(C)};
-  FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), ArgTypes, false);
-  Function *F = Function::Create(FTy, Function::ExternalLinkage, "", M.get());
+  LLVMContext Ctx;
+  std::unique_ptr<Module> M;
+  SmallVector<Type *, 3> FArgTypes;
+  Function *F;
+};
 
-  Value *Args[] = {ConstantInt::get(Type::getInt8Ty(C), 20),
-                   ConstantInt::get(Type::getInt32Ty(C), 9999),
-                   ConstantInt::get(Type::getInt64Ty(C), 42)};
-  CallInst *Call = CallInst::Create(F, Args);
+TEST_F(ModuleWithFunctionTest, CallInst) {
+  Value *Args[] = {ConstantInt::get(Type::getInt8Ty(Ctx), 20),
+                   ConstantInt::get(Type::getInt32Ty(Ctx), 9999),
+                   ConstantInt::get(Type::getInt64Ty(Ctx), 42)};
+  std::unique_ptr<CallInst> Call(CallInst::Create(F, Args));
 
   // Make sure iteration over a call's arguments works as expected.
   unsigned Idx = 0;
   for (Value *Arg : Call->arg_operands()) {
-    EXPECT_EQ(ArgTypes[Idx], Arg->getType());
+    EXPECT_EQ(FArgTypes[Idx], Arg->getType());
     EXPECT_EQ(Call->getArgOperand(Idx)->getType(), Arg->getType());
     Idx++;
   }
 }
 
+TEST_F(ModuleWithFunctionTest, InvokeInst) {
+  BasicBlock *BB1 = BasicBlock::Create(Ctx, "", F);
+  BasicBlock *BB2 = BasicBlock::Create(Ctx, "", F);
+
+  Value *Args[] = {ConstantInt::get(Type::getInt8Ty(Ctx), 20),
+                   ConstantInt::get(Type::getInt32Ty(Ctx), 9999),
+                   ConstantInt::get(Type::getInt64Ty(Ctx), 42)};
+  std::unique_ptr<InvokeInst> Invoke(InvokeInst::Create(F, BB1, BB2, Args));
+
+  // Make sure iteration over invoke's arguments works as expected.
+  unsigned Idx = 0;
+  for (Value *Arg : Invoke->arg_operands()) {
+    EXPECT_EQ(FArgTypes[Idx], Arg->getType());
+    EXPECT_EQ(Invoke->getArgOperand(Idx)->getType(), Arg->getType());
+    Idx++;
+  }
+}
+
 TEST(InstructionsTest, BranchInst) {
   LLVMContext &C(getGlobalContext());
 
@@ -262,8 +291,10 @@ TEST(InstructionsTest, VectorGep) {
   LLVMContext &C(getGlobalContext());
 
   // Type Definitions
-  PointerType *Ptri8Ty = PointerType::get(IntegerType::get(C, 8), 0);
-  PointerType *Ptri32Ty = PointerType::get(IntegerType::get(C, 32), 0);
+  Type *I8Ty = IntegerType::get(C, 8);
+  Type *I32Ty = IntegerType::get(C, 32);
+  PointerType *Ptri8Ty = PointerType::get(I8Ty, 0);
+  PointerType *Ptri32Ty = PointerType::get(I32Ty, 0);
 
   VectorType *V2xi8PTy = VectorType::get(Ptri8Ty, 2);
   VectorType *V2xi32PTy = VectorType::get(Ptri32Ty, 2);
@@ -289,10 +320,10 @@ TEST(InstructionsTest, VectorGep) {
   ICmpInst *ICmp2 = new ICmpInst(*BB0, ICmpInst::ICMP_SGE, PtrVecA, PtrVecB);
   EXPECT_NE(ICmp0, ICmp2); // suppress warning.
 
-  GetElementPtrInst *Gep0 = GetElementPtrInst::Create(PtrVecA, C2xi32a);
-  GetElementPtrInst *Gep1 = GetElementPtrInst::Create(PtrVecA, C2xi32b);
-  GetElementPtrInst *Gep2 = GetElementPtrInst::Create(PtrVecB, C2xi32a);
-  GetElementPtrInst *Gep3 = GetElementPtrInst::Create(PtrVecB, C2xi32b);
+  GetElementPtrInst *Gep0 = GetElementPtrInst::Create(I32Ty, PtrVecA, C2xi32a);
+  GetElementPtrInst *Gep1 = GetElementPtrInst::Create(I32Ty, PtrVecA, C2xi32b);
+  GetElementPtrInst *Gep2 = GetElementPtrInst::Create(I32Ty, PtrVecB, C2xi32a);
+  GetElementPtrInst *Gep3 = GetElementPtrInst::Create(I32Ty, PtrVecB, C2xi32b);
 
   CastInst *BTC0 = new BitCastInst(Gep0, V2xi8PTy);
   CastInst *BTC1 = new BitCastInst(Gep1, V2xi8PTy);
@@ -314,16 +345,16 @@ TEST(InstructionsTest, VectorGep) {
                 "2:32:32-f64:64:64-v64:64:64-v128:128:128-a:0:64-s:64:64-f80"
                 ":128:128-n8:16:32:64-S128");
   // Make sure we don't crash
-  GetPointerBaseWithConstantOffset(Gep0, Offset, &TD);
-  GetPointerBaseWithConstantOffset(Gep1, Offset, &TD);
-  GetPointerBaseWithConstantOffset(Gep2, Offset, &TD);
-  GetPointerBaseWithConstantOffset(Gep3, Offset, &TD);
+  GetPointerBaseWithConstantOffset(Gep0, Offset, TD);
+  GetPointerBaseWithConstantOffset(Gep1, Offset, TD);
+  GetPointerBaseWithConstantOffset(Gep2, Offset, TD);
+  GetPointerBaseWithConstantOffset(Gep3, Offset, TD);
 
   // Gep of Geps
-  GetElementPtrInst *GepII0 = GetElementPtrInst::Create(Gep0, C2xi32b);
-  GetElementPtrInst *GepII1 = GetElementPtrInst::Create(Gep1, C2xi32a);
-  GetElementPtrInst *GepII2 = GetElementPtrInst::Create(Gep2, C2xi32b);
-  GetElementPtrInst *GepII3 = GetElementPtrInst::Create(Gep3, C2xi32a);
+  GetElementPtrInst *GepII0 = GetElementPtrInst::Create(I32Ty, Gep0, C2xi32b);
+  GetElementPtrInst *GepII1 = GetElementPtrInst::Create(I32Ty, Gep1, C2xi32a);
+  GetElementPtrInst *GepII2 = GetElementPtrInst::Create(I32Ty, Gep2, C2xi32b);
+  GetElementPtrInst *GepII3 = GetElementPtrInst::Create(I32Ty, Gep3, C2xi32a);
 
   EXPECT_EQ(GepII0->getNumIndices(), 1u);
   EXPECT_EQ(GepII1->getNumIndices(), 1u);
@@ -386,7 +417,7 @@ TEST(InstructionsTest, isEliminableCastPair) {
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt,
                                            CastInst::IntToPtr,
                                            Int64PtrTy, Int64Ty, Int64PtrTy,
-                                           Int32Ty, 0, Int32Ty),
+                                           Int32Ty, nullptr, Int32Ty),
             CastInst::BitCast);
 
   // Source and destination have unknown sizes, but the same address space and
@@ -394,7 +425,7 @@ TEST(InstructionsTest, isEliminableCastPair) {
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt,
                                            CastInst::IntToPtr,
                                            Int64PtrTy, Int64Ty, Int64PtrTy,
-                                           0, 0, 0),
+                                           nullptr, nullptr, nullptr),
             CastInst::BitCast);
 
   // Source and destination have unknown sizes, but the same address space and
@@ -402,21 +433,21 @@ TEST(InstructionsTest, isEliminableCastPair) {
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt,
                                            CastInst::IntToPtr,
                                            Int64PtrTy, Int32Ty, Int64PtrTy,
-                                           0, 0, 0),
+                                           nullptr, nullptr, nullptr),
             0U);
 
   // Middle pointer big enough -> bitcast.
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
                                            CastInst::PtrToInt,
                                            Int64Ty, Int64PtrTy, Int64Ty,
-                                           0, Int64Ty, 0),
+                                           nullptr, Int64Ty, nullptr),
             CastInst::BitCast);
 
   // Middle pointer too small -> fail.
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
                                            CastInst::PtrToInt,
                                            Int64Ty, Int64PtrTy, Int64Ty,
-                                           0, Int32Ty, 0),
+                                           nullptr, Int32Ty, nullptr),
             0U);
 
   // Test that we don't eliminate bitcasts between different address spaces,
@@ -435,25 +466,58 @@ TEST(InstructionsTest, isEliminableCastPair) {
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
                                            CastInst::AddrSpaceCast,
                                            Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2,
-                                           0, Int16SizePtr, Int64SizePtr),
+                                           nullptr, Int16SizePtr, Int64SizePtr),
             0U);
 
   // Cannot simplify addrspacecast, ptrtoint
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::AddrSpaceCast,
                                            CastInst::PtrToInt,
                                            Int64PtrTyAS1, Int64PtrTyAS2, Int16Ty,
-                                           Int64SizePtr, Int16SizePtr, 0),
+                                           Int64SizePtr, Int16SizePtr, nullptr),
             0U);
 
   // Pass since the bitcast address spaces are the same
   EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
                                            CastInst::BitCast,
                                            Int16Ty, Int64PtrTyAS1, Int64PtrTyAS1,
-                                           0, 0, 0),
+                                           nullptr, nullptr, nullptr),
             CastInst::IntToPtr);
 
 }
 
+TEST(InstructionsTest, CloneCall) {
+  LLVMContext &C(getGlobalContext());
+  Type *Int32Ty = Type::getInt32Ty(C);
+  Type *ArgTys[] = {Int32Ty, Int32Ty, Int32Ty};
+  Type *FnTy = FunctionType::get(Int32Ty, ArgTys, /*isVarArg=*/false);
+  Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
+  Value *Args[] = {
+    ConstantInt::get(Int32Ty, 1),
+    ConstantInt::get(Int32Ty, 2),
+    ConstantInt::get(Int32Ty, 3)
+  };
+  std::unique_ptr<CallInst> Call(CallInst::Create(Callee, Args, "result"));
+
+  // Test cloning the tail call kind.
+  CallInst::TailCallKind Kinds[] = {CallInst::TCK_None, CallInst::TCK_Tail,
+                                    CallInst::TCK_MustTail};
+  for (CallInst::TailCallKind TCK : Kinds) {
+    Call->setTailCallKind(TCK);
+    std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone()));
+    EXPECT_EQ(Call->getTailCallKind(), Clone->getTailCallKind());
+  }
+  Call->setTailCallKind(CallInst::TCK_None);
+
+  // Test cloning an attribute.
+  {
+    AttrBuilder AB;
+    AB.addAttribute(Attribute::ReadOnly);
+    Call->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB));
+    std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone()));
+    EXPECT_TRUE(Clone->onlyReadsMemory());
+  }
+}
+
 }  // end anonymous namespace
 }  // end namespace llvm