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