diff options
Diffstat (limited to 'unittests/IR/ConstantsTest.cpp')
| -rw-r--r-- | unittests/IR/ConstantsTest.cpp | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/unittests/IR/ConstantsTest.cpp b/unittests/IR/ConstantsTest.cpp index be34c1e..fee38b8 100644 --- a/unittests/IR/ConstantsTest.cpp +++ b/unittests/IR/ConstantsTest.cpp @@ -121,16 +121,48 @@ TEST(ConstantsTest, FP128Test) { EXPECT_TRUE(isa<ConstantFP>(X)); } -#define CHECK(x, y) { \ - std::string __s; \ - raw_string_ostream __o(__s); \ - cast<ConstantExpr>(x)->getAsInstruction()->print(__o); \ - __o.flush(); \ - EXPECT_EQ(std::string(" <badref> = " y), __s); \ +TEST(ConstantsTest, PointerCast) { + LLVMContext &C(getGlobalContext()); + Type *Int8PtrTy = Type::getInt8PtrTy(C); + Type *Int32PtrTy = Type::getInt32PtrTy(C); + Type *Int64Ty = Type::getInt64Ty(C); + VectorType *Int8PtrVecTy = VectorType::get(Int8PtrTy, 4); + VectorType *Int32PtrVecTy = VectorType::get(Int32PtrTy, 4); + VectorType *Int64VecTy = VectorType::get(Int64Ty, 4); + + // ptrtoint i8* to i64 + EXPECT_EQ(Constant::getNullValue(Int64Ty), + ConstantExpr::getPointerCast( + Constant::getNullValue(Int8PtrTy), Int64Ty)); + + // bitcast i8* to i32* + EXPECT_EQ(Constant::getNullValue(Int32PtrTy), + ConstantExpr::getPointerCast( + Constant::getNullValue(Int8PtrTy), Int32PtrTy)); + + // ptrtoint <4 x i8*> to <4 x i64> + EXPECT_EQ(Constant::getNullValue(Int64VecTy), + ConstantExpr::getPointerCast( + Constant::getNullValue(Int8PtrVecTy), Int64VecTy)); + + // bitcast <4 x i8*> to <4 x i32*> + EXPECT_EQ(Constant::getNullValue(Int32PtrVecTy), + ConstantExpr::getPointerCast( + Constant::getNullValue(Int8PtrVecTy), Int32PtrVecTy)); +} + +#define CHECK(x, y) { \ + std::string __s; \ + raw_string_ostream __o(__s); \ + Instruction *__I = cast<ConstantExpr>(x)->getAsInstruction(); \ + __I->print(__o); \ + delete __I; \ + __o.flush(); \ + EXPECT_EQ(std::string(" <badref> = " y), __s); \ } TEST(ConstantsTest, AsInstructionsTest) { - Module *M = new Module("MyModule", getGlobalContext()); + OwningPtr<Module> M(new Module("MyModule", getGlobalContext())); Type *Int64Ty = Type::getInt64Ty(getGlobalContext()); Type *Int32Ty = Type::getInt32Ty(getGlobalContext()); |