diff options
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/IR/ValueTest.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/unittests/IR/ValueTest.cpp b/unittests/IR/ValueTest.cpp index 52efb1a..ebe23e8 100644 --- a/unittests/IR/ValueTest.cpp +++ b/unittests/IR/ValueTest.cpp @@ -43,4 +43,44 @@ TEST(ValueTest, UsedInBasicBlock) { EXPECT_TRUE(F->arg_begin()->isUsedInBasicBlock(F->begin())); } +TEST(GlobalTest, CreateAddressSpace) { + LLVMContext &Ctx = getGlobalContext(); + OwningPtr<Module> M(new Module("TestModule", Ctx)); + Type *Int8Ty = Type::getInt8Ty(Ctx); + Type *Int32Ty = Type::getInt32Ty(Ctx); + + GlobalVariable *Dummy0 + = new GlobalVariable(*M, + Int32Ty, + true, + GlobalValue::ExternalLinkage, + Constant::getAllOnesValue(Int32Ty), + "dummy", + 0, + GlobalVariable::NotThreadLocal, + 1); + + // Make sure the address space isn't dropped when returning this. + Constant *Dummy1 = M->getOrInsertGlobal("dummy", Int32Ty); + EXPECT_EQ(Dummy0, Dummy1); + EXPECT_EQ(1u, Dummy1->getType()->getPointerAddressSpace()); + + + // This one requires a bitcast, but the address space must also stay the same. + GlobalVariable *DummyCast0 + = new GlobalVariable(*M, + Int32Ty, + true, + GlobalValue::ExternalLinkage, + Constant::getAllOnesValue(Int32Ty), + "dummy_cast", + 0, + GlobalVariable::NotThreadLocal, + 1); + + // Make sure the address space isn't dropped when returning this. + Constant *DummyCast1 = M->getOrInsertGlobal("dummy_cast", Int8Ty); + EXPECT_EQ(1u, DummyCast1->getType()->getPointerAddressSpace()); + EXPECT_NE(DummyCast0, DummyCast1) << *DummyCast1; +} } // end anonymous namespace |