93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
//===- 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);
|
|
|
|
AttributeList ASs[] = {AttributeList::get(C, 1, Attribute::ZExt),
|
|
AttributeList::get(C, 2, Attribute::SExt)};
|
|
|
|
AttributeList SetA = AttributeList::get(C, ASs);
|
|
AttributeList SetB = AttributeList::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);
|
|
|
|
AttributeList ASs[] = {AttributeList::get(C, 2, Attribute::ZExt),
|
|
AttributeList::get(C, 1, Attribute::SExt)};
|
|
|
|
AttributeList SetA = AttributeList::get(C, ASs);
|
|
AttributeList SetB = SetA.removeAttributes(C, 1, ASs[1].getAttributes(1));
|
|
EXPECT_NE(SetA, SetB);
|
|
}
|
|
|
|
TEST(Attributes, AddAttributes) {
|
|
LLVMContext C;
|
|
AttributeList AL;
|
|
AttrBuilder B;
|
|
B.addAttribute(Attribute::NoReturn);
|
|
AL = AL.addAttributes(C, AttributeList::FunctionIndex, AttributeSet::get(C, B));
|
|
EXPECT_TRUE(AL.hasFnAttribute(Attribute::NoReturn));
|
|
B.clear();
|
|
B.addAttribute(Attribute::SExt);
|
|
AL = AL.addAttributes(C, AttributeList::ReturnIndex, B);
|
|
EXPECT_TRUE(AL.hasAttribute(AttributeList::ReturnIndex, Attribute::SExt));
|
|
EXPECT_TRUE(AL.hasFnAttribute(Attribute::NoReturn));
|
|
}
|
|
|
|
TEST(Attributes, AddMatchingAlignAttr) {
|
|
LLVMContext C;
|
|
AttributeList AL;
|
|
AL = AL.addAttribute(C, AttributeList::FirstArgIndex,
|
|
Attribute::getWithAlignment(C, 8));
|
|
AL = AL.addAttribute(C, AttributeList::FirstArgIndex + 1,
|
|
Attribute::getWithAlignment(C, 32));
|
|
EXPECT_EQ(8U, AL.getParamAlignment(0));
|
|
EXPECT_EQ(32U, AL.getParamAlignment(1));
|
|
|
|
AttrBuilder B;
|
|
B.addAttribute(Attribute::NonNull);
|
|
B.addAlignmentAttr(8);
|
|
AL = AL.addAttributes(C, AttributeList::FirstArgIndex, B);
|
|
EXPECT_EQ(8U, AL.getParamAlignment(0));
|
|
EXPECT_EQ(32U, AL.getParamAlignment(1));
|
|
EXPECT_TRUE(AL.hasParamAttribute(0, Attribute::NonNull));
|
|
}
|
|
|
|
TEST(Attributes, EmptyGet) {
|
|
LLVMContext C;
|
|
AttributeList EmptyLists[] = {AttributeList(), AttributeList()};
|
|
AttributeList AL = AttributeList::get(C, EmptyLists);
|
|
EXPECT_TRUE(AL.isEmpty());
|
|
}
|
|
|
|
} // end anonymous namespace
|