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Add unittest for extreme alignments.
llvm-svn: 220483
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@ -60,6 +60,10 @@ TEST(GlobalTest, CreateAddressSpace) {
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GlobalVariable::NotThreadLocal,
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1);
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EXPECT_TRUE(Value::MaximumAlignment == 536870912U);
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Dummy0->setAlignment(536870912U);
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EXPECT_EQ(Dummy0->getAlignment(), 536870912U);
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// Make sure the address space isn't dropped when returning this.
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Constant *Dummy1 = M->getOrInsertGlobal("dummy", Int32Ty);
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EXPECT_EQ(Dummy0, Dummy1);
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@ -83,4 +87,23 @@ TEST(GlobalTest, CreateAddressSpace) {
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EXPECT_EQ(1u, DummyCast1->getType()->getPointerAddressSpace());
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EXPECT_NE(DummyCast0, DummyCast1) << *DummyCast1;
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}
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#ifdef GTEST_HAS_DEATH_TEST
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#ifndef NDEBUG
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TEST(GlobalTest, AlignDeath) {
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LLVMContext &Ctx = getGlobalContext();
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std::unique_ptr<Module> M(new Module("TestModule", Ctx));
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Type *Int32Ty = Type::getInt32Ty(Ctx);
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GlobalVariable *Var =
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new GlobalVariable(*M, Int32Ty, true, GlobalValue::ExternalLinkage,
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Constant::getAllOnesValue(Int32Ty), "var", nullptr,
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GlobalVariable::NotThreadLocal, 1);
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EXPECT_DEATH(Var->setAlignment(536870913U), "Alignment is not a power of 2");
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EXPECT_DEATH(Var->setAlignment(1073741824U),
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"Alignment is greater than MaximumAlignment");
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}
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#endif
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#endif
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} // end anonymous namespace
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