1 //===- llvm/unittest/IR/AttributesTest.cpp - Attributes unit tests --------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/IR/Attributes.h"
11 #include "llvm/IR/LLVMContext.h"
12 #include "gtest/gtest.h"
13 using namespace llvm;
14
15 namespace {
16
TEST(Attributes,Uniquing)17 TEST(Attributes, Uniquing) {
18 LLVMContext C;
19
20 Attribute AttrA = Attribute::get(C, Attribute::AlwaysInline);
21 Attribute AttrB = Attribute::get(C, Attribute::AlwaysInline);
22 EXPECT_EQ(AttrA, AttrB);
23
24 AttributeSet ASs[] = {
25 AttributeSet::get(C, 1, Attribute::ZExt),
26 AttributeSet::get(C, 2, Attribute::SExt)
27 };
28
29 AttributeSet SetA = AttributeSet::get(C, ASs);
30 AttributeSet SetB = AttributeSet::get(C, ASs);
31 EXPECT_EQ(SetA, SetB);
32 }
33
TEST(Attributes,Ordering)34 TEST(Attributes, Ordering) {
35 LLVMContext C;
36
37 Attribute Align4 = Attribute::get(C, Attribute::Alignment, 4);
38 Attribute Align5 = Attribute::get(C, Attribute::Alignment, 5);
39 Attribute Deref4 = Attribute::get(C, Attribute::Dereferenceable, 4);
40 Attribute Deref5 = Attribute::get(C, Attribute::Dereferenceable, 5);
41 EXPECT_TRUE(Align4 < Align5);
42 EXPECT_TRUE(Align4 < Deref4);
43 EXPECT_TRUE(Align4 < Deref5);
44 EXPECT_TRUE(Align5 < Deref4);
45
46 AttributeSet ASs[] = {
47 AttributeSet::get(C, 2, Attribute::ZExt),
48 AttributeSet::get(C, 1, Attribute::SExt)
49 };
50
51 AttributeSet SetA = AttributeSet::get(C, ASs);
52 AttributeSet SetB = SetA.removeAttributes(C, 1, ASs[1]);
53 EXPECT_NE(SetA, SetB);
54 }
55
56 } // end anonymous namespace
57