| //===- llvm/unittest/IR/AttributesTest.cpp - Attributes unit tests --------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/IR/Attributes.h" |
| #include "llvm/IR/LLVMContext.h" |
| #include "gtest/gtest.h" |
| using namespace llvm; |
| |
| namespace { |
| |
| TEST(Attributes, Uniquing) { |
| LLVMContext C; |
| |
| Attribute AttrA = Attribute::get(C, Attribute::AlwaysInline); |
| Attribute AttrB = Attribute::get(C, Attribute::AlwaysInline); |
| EXPECT_EQ(AttrA, AttrB); |
| |
| AttributeSet ASs[] = { |
| AttributeSet::get(C, 1, Attribute::ZExt), |
| AttributeSet::get(C, 2, Attribute::SExt) |
| }; |
| |
| AttributeSet SetA = AttributeSet::get(C, ASs); |
| AttributeSet SetB = AttributeSet::get(C, ASs); |
| EXPECT_EQ(SetA, SetB); |
| } |
| |
| TEST(Attributes, Ordering) { |
| LLVMContext C; |
| |
| Attribute Align4 = Attribute::get(C, Attribute::Alignment, 4); |
| Attribute Align5 = Attribute::get(C, Attribute::Alignment, 5); |
| Attribute Deref4 = Attribute::get(C, Attribute::Dereferenceable, 4); |
| Attribute Deref5 = Attribute::get(C, Attribute::Dereferenceable, 5); |
| EXPECT_TRUE(Align4 < Align5); |
| EXPECT_TRUE(Align4 < Deref4); |
| EXPECT_TRUE(Align4 < Deref5); |
| EXPECT_TRUE(Align5 < Deref4); |
| |
| AttributeSet ASs[] = { |
| AttributeSet::get(C, 2, Attribute::ZExt), |
| AttributeSet::get(C, 1, Attribute::SExt) |
| }; |
| |
| AttributeSet SetA = AttributeSet::get(C, ASs); |
| AttributeSet SetB = SetA.removeAttributes(C, 1, ASs[1]); |
| EXPECT_NE(SetA, SetB); |
| } |
| |
| } // end anonymous namespace |