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//===- 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;
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
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