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//===- unittests/IR/MetadataTest.cpp - Metadata unit tests ----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/Metadata.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(ContextAndReplaceableUsesTest, FromContext) {
LLVMContext Context;
ContextAndReplaceableUses CRU(Context);
EXPECT_EQ(&Context, &CRU.getContext());
EXPECT_FALSE(CRU.hasReplaceableUses());
EXPECT_FALSE(CRU.getReplaceableUses());
}
TEST(ContextAndReplaceableUsesTest, FromReplaceableUses) {
LLVMContext Context;
ContextAndReplaceableUses CRU(make_unique<ReplaceableMetadataImpl>(Context));
EXPECT_EQ(&Context, &CRU.getContext());
EXPECT_TRUE(CRU.hasReplaceableUses());
EXPECT_TRUE(CRU.getReplaceableUses());
}
TEST(ContextAndReplaceableUsesTest, makeReplaceable) {
LLVMContext Context;
ContextAndReplaceableUses CRU(Context);
CRU.makeReplaceable(make_unique<ReplaceableMetadataImpl>(Context));
EXPECT_EQ(&Context, &CRU.getContext());
EXPECT_TRUE(CRU.hasReplaceableUses());
EXPECT_TRUE(CRU.getReplaceableUses());
}
TEST(ContextAndReplaceableUsesTest, takeReplaceableUses) {
LLVMContext Context;
auto ReplaceableUses = make_unique<ReplaceableMetadataImpl>(Context);
auto *Ptr = ReplaceableUses.get();
ContextAndReplaceableUses CRU(std::move(ReplaceableUses));
ReplaceableUses = CRU.takeReplaceableUses();
EXPECT_EQ(&Context, &CRU.getContext());
EXPECT_FALSE(CRU.hasReplaceableUses());
EXPECT_FALSE(CRU.getReplaceableUses());
EXPECT_EQ(Ptr, ReplaceableUses.get());
}
class MetadataTest : public testing::Test {
public:
MetadataTest() : M("test", Context), Counter(0) {}
protected:
LLVMContext Context;
Module M;
int Counter;
MDNode *getNode() { return MDNode::get(Context, None); }
MDNode *getNode(Metadata *MD) { return MDNode::get(Context, MD); }
MDNode *getNode(Metadata *MD1, Metadata *MD2) {
Metadata *MDs[] = {MD1, MD2};
return MDNode::get(Context, MDs);
}
MDTuple *getTuple() { return MDTuple::getDistinct(Context, None); }
DISubroutineType *getSubroutineType() {
return DISubroutineType::getDistinct(Context, DINode::FlagZero, 0,
getNode(nullptr));
}
DISubprogram *getSubprogram() {
return DISubprogram::getDistinct(
Context, nullptr, "", "", nullptr, 0, nullptr, 0, nullptr, 0, 0,
DINode::FlagZero, DISubprogram::SPFlagZero, nullptr);
}
DIFile *getFile() {
return DIFile::getDistinct(Context, "file.c", "/path/to/dir");
}
DICompileUnit *getUnit() {
return DICompileUnit::getDistinct(
Context, 1, getFile(), "clang", false, "-g", 2, "",
DICompileUnit::FullDebug, getTuple(), getTuple(), getTuple(),
getTuple(), getTuple(), 0, true, false,
DICompileUnit::DebugNameTableKind::Default, false);
}
DIType *getBasicType(StringRef Name) {
return DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, Name);
}
DIType *getDerivedType() {
return DIDerivedType::getDistinct(
Context, dwarf::DW_TAG_pointer_type, "", nullptr, 0, nullptr,
getBasicType("basictype"), 1, 2, 0, None, DINode::FlagZero);
}
Constant *getConstant() {
return ConstantInt::get(Type::getInt32Ty(Context), Counter++);
}
ConstantAsMetadata *getConstantAsMetadata() {
return ConstantAsMetadata::get(getConstant());
}
DIType *getCompositeType() {
return DICompositeType::getDistinct(
Context, dwarf::DW_TAG_structure_type, "", nullptr, 0, nullptr, nullptr,
32, 32, 0, DINode::FlagZero, nullptr, 0, nullptr, nullptr, "");
}
Function *getFunction(StringRef Name) {
return Function::Create(
FunctionType::get(Type::getVoidTy(Context), None, false),
Function::ExternalLinkage, Name, M);
}
};
typedef MetadataTest MDStringTest;
// Test that construction of MDString with different value produces different
// MDString objects, even with the same string pointer and nulls in the string.
TEST_F(MDStringTest, CreateDifferent) {
char x[3] = { 'f', 0, 'A' };
MDString *s1 = MDString::get(Context, StringRef(&x[0], 3));
x[2] = 'B';
MDString *s2 = MDString::get(Context, StringRef(&x[0], 3));
EXPECT_NE(s1, s2);
}
// Test that creation of MDStrings with the same string contents produces the
// same MDString object, even with different pointers.
TEST_F(MDStringTest, CreateSame) {
char x[4] = { 'a', 'b', 'c', 'X' };
char y[4] = { 'a', 'b', 'c', 'Y' };
MDString *s1 = MDString::get(Context, StringRef(&x[0], 3));
MDString *s2 = MDString::get(Context, StringRef(&y[0], 3));
EXPECT_EQ(s1, s2);
}
// Test that MDString prints out the string we fed it.
TEST_F(MDStringTest, PrintingSimple) {
char str[14] = "testing 1 2 3";
MDString *s = MDString::get(Context, StringRef(&str[0], 13));
strncpy(str, "aaaaaaaaaaaaa", 14);
std::string Str;
raw_string_ostream oss(Str);
s->print(oss);
EXPECT_STREQ("!\"testing 1 2 3\"", oss.str().c_str());
}
// Test printing of MDString with non-printable characters.
TEST_F(MDStringTest, PrintingComplex) {
char str[5] = {0, '\n', '"', '\\', (char)-1};
MDString *s = MDString::get(Context, StringRef(str+0, 5));
std::string Str;
raw_string_ostream oss(Str);
s->print(oss);
EXPECT_STREQ("!\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str());
}
typedef MetadataTest MDNodeTest;
// Test the two constructors, and containing other Constants.
TEST_F(MDNodeTest, Simple) {
char x[3] = { 'a', 'b', 'c' };
char y[3] = { '1', '2', '3' };
MDString *s1 = MDString::get(Context, StringRef(&x[0], 3));
MDString *s2 = MDString::get(Context, StringRef(&y[0], 3));
ConstantAsMetadata *CI =
ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0)));
std::vector<Metadata *> V;
V.push_back(s1);
V.push_back(CI);
V.push_back(s2);
MDNode *n1 = MDNode::get(Context, V);
Metadata *const c1 = n1;
MDNode *n2 = MDNode::get(Context, c1);
Metadata *const c2 = n2;
MDNode *n3 = MDNode::get(Context, V);
MDNode *n4 = MDNode::getIfExists(Context, V);
MDNode *n5 = MDNode::getIfExists(Context, c1);
MDNode *n6 = MDNode::getIfExists(Context, c2);
EXPECT_NE(n1, n2);
EXPECT_EQ(n1, n3);
EXPECT_EQ(n4, n1);
EXPECT_EQ(n5, n2);
EXPECT_EQ(n6, (Metadata *)nullptr);
EXPECT_EQ(3u, n1->getNumOperands());
EXPECT_EQ(s1, n1->getOperand(0));
EXPECT_EQ(CI, n1->getOperand(1));
EXPECT_EQ(s2, n1->getOperand(2));
EXPECT_EQ(1u, n2->getNumOperands());
EXPECT_EQ(n1, n2->getOperand(0));
}
TEST_F(MDNodeTest, Delete) {
Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 1);
Instruction *I = new BitCastInst(C, Type::getInt32Ty(Context));
Metadata *const V = LocalAsMetadata::get(I);
MDNode *n = MDNode::get(Context, V);
TrackingMDRef wvh(n);
EXPECT_EQ(n, wvh);
I->deleteValue();
}
TEST_F(MDNodeTest, SelfReference) {
// !0 = !{!0}
// !1 = !{!0}
{
auto Temp = MDNode::getTemporary(Context, None);
Metadata *Args[] = {Temp.get()};
MDNode *Self = MDNode::get(Context, Args);
Self->replaceOperandWith(0, Self);
ASSERT_EQ(Self, Self->getOperand(0));
// Self-references should be distinct, so MDNode::get() should grab a
// uniqued node that references Self, not Self.
Args[0] = Self;
MDNode *Ref1 = MDNode::get(Context, Args);
MDNode *Ref2 = MDNode::get(Context, Args);
EXPECT_NE(Self, Ref1);
EXPECT_EQ(Ref1, Ref2);
}
// !0 = !{!0, !{}}
// !1 = !{!0, !{}}
{
auto Temp = MDNode::getTemporary(Context, None);
Metadata *Args[] = {Temp.get(), MDNode::get(Context, None)};
MDNode *Self = MDNode::get(Context, Args);
Self->replaceOperandWith(0, Self);
ASSERT_EQ(Self, Self->getOperand(0));
// Self-references should be distinct, so MDNode::get() should grab a
// uniqued node that references Self, not Self itself.
Args[0] = Self;
MDNode *Ref1 = MDNode::get(Context, Args);
MDNode *Ref2 = MDNode::get(Context, Args);
EXPECT_NE(Self, Ref1);
EXPECT_EQ(Ref1, Ref2);
}
}
TEST_F(MDNodeTest, Print) {
Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 7);
MDString *S = MDString::get(Context, "foo");
MDNode *N0 = getNode();
MDNode *N1 = getNode(N0);
MDNode *N2 = getNode(N0, N1);
Metadata *Args[] = {ConstantAsMetadata::get(C), S, nullptr, N0, N1, N2};
MDNode *N = MDNode::get(Context, Args);
std::string Expected;
{
raw_string_ostream OS(Expected);
OS << "<" << (void *)N << "> = !{";
C->printAsOperand(OS);
OS << ", ";
S->printAsOperand(OS);
OS << ", null";
MDNode *Nodes[] = {N0, N1, N2};
for (auto *Node : Nodes)
OS << ", <" << (void *)Node << ">";
OS << "}";
}
std::string Actual;
{
raw_string_ostream OS(Actual);
N->print(OS);
}
EXPECT_EQ(Expected, Actual);
}
#define EXPECT_PRINTER_EQ(EXPECTED, PRINT) \
do { \
std::string Actual_; \
raw_string_ostream OS(Actual_); \
PRINT; \
OS.flush(); \
std::string Expected_(EXPECTED); \
EXPECT_EQ(Expected_, Actual_); \
} while (false)
TEST_F(MDNodeTest, PrintTemporary) {
MDNode *Arg = getNode();
TempMDNode Temp = MDNode::getTemporary(Context, Arg);
MDNode *N = getNode(Temp.get());
Module M("test", Context);
NamedMDNode *NMD = M.getOrInsertNamedMetadata("named");
NMD->addOperand(N);
EXPECT_PRINTER_EQ("!0 = !{!1}", N->print(OS, &M));
EXPECT_PRINTER_EQ("!1 = <temporary!> !{!2}", Temp->print(OS, &M));
EXPECT_PRINTER_EQ("!2 = !{}", Arg->print(OS, &M));
// Cleanup.
Temp->replaceAllUsesWith(Arg);
}
TEST_F(MDNodeTest, PrintFromModule) {
Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 7);
MDString *S = MDString::get(Context, "foo");
MDNode *N0 = getNode();
MDNode *N1 = getNode(N0);
MDNode *N2 = getNode(N0, N1);
Metadata *Args[] = {ConstantAsMetadata::get(C), S, nullptr, N0, N1, N2};
MDNode *N = MDNode::get(Context, Args);
Module M("test", Context);
NamedMDNode *NMD = M.getOrInsertNamedMetadata("named");
NMD->addOperand(N);
std::string Expected;
{
raw_string_ostream OS(Expected);
OS << "!0 = !{";
C->printAsOperand(OS);
OS << ", ";
S->printAsOperand(OS);
OS << ", null, !1, !2, !3}";
}
EXPECT_PRINTER_EQ(Expected, N->print(OS, &M));
}
TEST_F(MDNodeTest, PrintFromFunction) {
Module M("test", Context);
auto *FTy = FunctionType::get(Type::getVoidTy(Context), false);
auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M);
auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M);
auto *BB0 = BasicBlock::Create(Context, "entry", F0);
auto *BB1 = BasicBlock::Create(Context, "entry", F1);
auto *R0 = ReturnInst::Create(Context, BB0);
auto *R1 = ReturnInst::Create(Context, BB1);
auto *N0 = MDNode::getDistinct(Context, None);
auto *N1 = MDNode::getDistinct(Context, None);
R0->setMetadata("md", N0);
R1->setMetadata("md", N1);
EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, &M));
EXPECT_PRINTER_EQ("!1 = distinct !{}", N1->print(OS, &M));
ModuleSlotTracker MST(&M);
EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, MST));
EXPECT_PRINTER_EQ("!1 = distinct !{}", N1->print(OS, MST));
}
TEST_F(MDNodeTest, PrintFromMetadataAsValue) {
Module M("test", Context);
auto *Intrinsic =
Function::Create(FunctionType::get(Type::getVoidTy(Context),
Type::getMetadataTy(Context), false),
GlobalValue::ExternalLinkage, "llvm.intrinsic", &M);
auto *FTy = FunctionType::get(Type::getVoidTy(Context), false);
auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M);
auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M);
auto *BB0 = BasicBlock::Create(Context, "entry", F0);
auto *BB1 = BasicBlock::Create(Context, "entry", F1);
auto *N0 = MDNode::getDistinct(Context, None);
auto *N1 = MDNode::getDistinct(Context, None);
auto *MAV0 = MetadataAsValue::get(Context, N0);
auto *MAV1 = MetadataAsValue::get(Context, N1);
CallInst::Create(Intrinsic, MAV0, "", BB0);
CallInst::Create(Intrinsic, MAV1, "", BB1);
EXPECT_PRINTER_EQ("!0 = distinct !{}", MAV0->print(OS));
EXPECT_PRINTER_EQ("!1 = distinct !{}", MAV1->print(OS));
EXPECT_PRINTER_EQ("!0", MAV0->printAsOperand(OS, false));
EXPECT_PRINTER_EQ("!1", MAV1->printAsOperand(OS, false));
EXPECT_PRINTER_EQ("metadata !0", MAV0->printAsOperand(OS, true));
EXPECT_PRINTER_EQ("metadata !1", MAV1->printAsOperand(OS, true));
ModuleSlotTracker MST(&M);
EXPECT_PRINTER_EQ("!0 = distinct !{}", MAV0->print(OS, MST));
EXPECT_PRINTER_EQ("!1 = distinct !{}", MAV1->print(OS, MST));
EXPECT_PRINTER_EQ("!0", MAV0->printAsOperand(OS, false, MST));
EXPECT_PRINTER_EQ("!1", MAV1->printAsOperand(OS, false, MST));
EXPECT_PRINTER_EQ("metadata !0", MAV0->printAsOperand(OS, true, MST));
EXPECT_PRINTER_EQ("metadata !1", MAV1->printAsOperand(OS, true, MST));
}
TEST_F(MDNodeTest, PrintWithDroppedCallOperand) {
Module M("test", Context);
auto *FTy = FunctionType::get(Type::getVoidTy(Context), false);
auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M);
auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M);
auto *BB0 = BasicBlock::Create(Context, "entry", F0);
CallInst *CI0 = CallInst::Create(F1, "", BB0);
CI0->dropAllReferences();
auto *R0 = ReturnInst::Create(Context, BB0);
auto *N0 = MDNode::getDistinct(Context, None);
R0->setMetadata("md", N0);
// Printing the metadata node would previously result in a failed assertion
// due to the call instruction's dropped function operand.
ModuleSlotTracker MST(&M);
EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, MST));
}
#undef EXPECT_PRINTER_EQ
TEST_F(MDNodeTest, NullOperand) {
// metadata !{}
MDNode *Empty = MDNode::get(Context, None);
// metadata !{metadata !{}}
Metadata *Ops[] = {Empty};
MDNode *N = MDNode::get(Context, Ops);
ASSERT_EQ(Empty, N->getOperand(0));
// metadata !{metadata !{}} => metadata !{null}
N->replaceOperandWith(0, nullptr);
ASSERT_EQ(nullptr, N->getOperand(0));
// metadata !{null}
Ops[0] = nullptr;
MDNode *NullOp = MDNode::get(Context, Ops);
ASSERT_EQ(nullptr, NullOp->getOperand(0));
EXPECT_EQ(N, NullOp);
}
TEST_F(MDNodeTest, DistinctOnUniquingCollision) {
// !{}
MDNode *Empty = MDNode::get(Context, None);
ASSERT_TRUE(Empty->isResolved());
EXPECT_FALSE(Empty->isDistinct());
// !{!{}}
Metadata *Wrapped1Ops[] = {Empty};
MDNode *Wrapped1 = MDNode::get(Context, Wrapped1Ops);
ASSERT_EQ(Empty, Wrapped1->getOperand(0));
ASSERT_TRUE(Wrapped1->isResolved());
EXPECT_FALSE(Wrapped1->isDistinct());
// !{!{!{}}}
Metadata *Wrapped2Ops[] = {Wrapped1};
MDNode *Wrapped2 = MDNode::get(Context, Wrapped2Ops);
ASSERT_EQ(Wrapped1, Wrapped2->getOperand(0));
ASSERT_TRUE(Wrapped2->isResolved());
EXPECT_FALSE(Wrapped2->isDistinct());
// !{!{!{}}} => !{!{}}
Wrapped2->replaceOperandWith(0, Empty);
ASSERT_EQ(Empty, Wrapped2->getOperand(0));
EXPECT_TRUE(Wrapped2->isDistinct());
EXPECT_FALSE(Wrapped1->isDistinct());
}
TEST_F(MDNodeTest, UniquedOnDeletedOperand) {
// temp !{}
TempMDTuple T = MDTuple::getTemporary(Context, None);
// !{temp !{}}
Metadata *Ops[] = {T.get()};
MDTuple *N = MDTuple::get(Context, Ops);
// !{temp !{}} => !{null}
T.reset();
ASSERT_TRUE(N->isUniqued());
Metadata *NullOps[] = {nullptr};
ASSERT_EQ(N, MDTuple::get(Context, NullOps));
}
TEST_F(MDNodeTest, DistinctOnDeletedValueOperand) {
// i1* @GV
Type *Ty = Type::getInt1PtrTy(Context);
std::unique_ptr<GlobalVariable> GV(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get());
// !{i1* @GV}
Metadata *Ops[] = {Op};
MDTuple *N = MDTuple::get(Context, Ops);
// !{i1* @GV} => !{null}
GV.reset();
ASSERT_TRUE(N->isDistinct());
ASSERT_EQ(nullptr, N->getOperand(0));
Metadata *NullOps[] = {nullptr};
ASSERT_NE(N, MDTuple::get(Context, NullOps));
}
TEST_F(MDNodeTest, getDistinct) {
// !{}
MDNode *Empty = MDNode::get(Context, None);
ASSERT_TRUE(Empty->isResolved());
ASSERT_FALSE(Empty->isDistinct());
ASSERT_EQ(Empty, MDNode::get(Context, None));
// distinct !{}
MDNode *Distinct1 = MDNode::getDistinct(Context, None);
MDNode *Distinct2 = MDNode::getDistinct(Context, None);
EXPECT_TRUE(Distinct1->isResolved());
EXPECT_TRUE(Distinct2->isDistinct());
EXPECT_NE(Empty, Distinct1);
EXPECT_NE(Empty, Distinct2);
EXPECT_NE(Distinct1, Distinct2);
// !{}
ASSERT_EQ(Empty, MDNode::get(Context, None));
}
TEST_F(MDNodeTest, isUniqued) {
MDNode *U = MDTuple::get(Context, None);
MDNode *D = MDTuple::getDistinct(Context, None);
auto T = MDTuple::getTemporary(Context, None);
EXPECT_TRUE(U->isUniqued());
EXPECT_FALSE(D->isUniqued());
EXPECT_FALSE(T->isUniqued());
}
TEST_F(MDNodeTest, isDistinct) {
MDNode *U = MDTuple::get(Context, None);
MDNode *D = MDTuple::getDistinct(Context, None);
auto T = MDTuple::getTemporary(Context, None);
EXPECT_FALSE(U->isDistinct());
EXPECT_TRUE(D->isDistinct());
EXPECT_FALSE(T->isDistinct());
}
TEST_F(MDNodeTest, isTemporary) {
MDNode *U = MDTuple::get(Context, None);
MDNode *D = MDTuple::getDistinct(Context, None);
auto T = MDTuple::getTemporary(Context, None);
EXPECT_FALSE(U->isTemporary());
EXPECT_FALSE(D->isTemporary());
EXPECT_TRUE(T->isTemporary());
}
TEST_F(MDNodeTest, getDistinctWithUnresolvedOperands) {
// temporary !{}
auto Temp = MDTuple::getTemporary(Context, None);
ASSERT_FALSE(Temp->isResolved());
// distinct !{temporary !{}}
Metadata *Ops[] = {Temp.get()};
MDNode *Distinct = MDNode::getDistinct(Context, Ops);
EXPECT_TRUE(Distinct->isResolved());
EXPECT_EQ(Temp.get(), Distinct->getOperand(0));
// temporary !{} => !{}
MDNode *Empty = MDNode::get(Context, None);
Temp->replaceAllUsesWith(Empty);
EXPECT_EQ(Empty, Distinct->getOperand(0));
}
TEST_F(MDNodeTest, handleChangedOperandRecursion) {
// !0 = !{}
MDNode *N0 = MDNode::get(Context, None);
// !1 = !{!3, null}
auto Temp3 = MDTuple::getTemporary(Context, None);
Metadata *Ops1[] = {Temp3.get(), nullptr};
MDNode *N1 = MDNode::get(Context, Ops1);
// !2 = !{!3, !0}
Metadata *Ops2[] = {Temp3.get(), N0};
MDNode *N2 = MDNode::get(Context, Ops2);
// !3 = !{!2}
Metadata *Ops3[] = {N2};
MDNode *N3 = MDNode::get(Context, Ops3);
Temp3->replaceAllUsesWith(N3);
// !4 = !{!1}
Metadata *Ops4[] = {N1};
MDNode *N4 = MDNode::get(Context, Ops4);
// Confirm that the cycle prevented RAUW from getting dropped.
EXPECT_TRUE(N0->isResolved());
EXPECT_FALSE(N1->isResolved());
EXPECT_FALSE(N2->isResolved());
EXPECT_FALSE(N3->isResolved());
EXPECT_FALSE(N4->isResolved());
// Create a couple of distinct nodes to observe what's going on.
//
// !5 = distinct !{!2}
// !6 = distinct !{!3}
Metadata *Ops5[] = {N2};
MDNode *N5 = MDNode::getDistinct(Context, Ops5);
Metadata *Ops6[] = {N3};
MDNode *N6 = MDNode::getDistinct(Context, Ops6);
// Mutate !2 to look like !1, causing a uniquing collision (and an RAUW).
// This will ripple up, with !3 colliding with !4, and RAUWing. Since !2
// references !3, this can cause a re-entry of handleChangedOperand() when !3
// is not ready for it.
//
// !2->replaceOperandWith(1, nullptr)
// !2: !{!3, !0} => !{!3, null}
// !2->replaceAllUsesWith(!1)
// !3: !{!2] => !{!1}
// !3->replaceAllUsesWith(!4)
N2->replaceOperandWith(1, nullptr);
// If all has gone well, N2 and N3 will have been RAUW'ed and deleted from
// under us. Just check that the other nodes are sane.
//
// !1 = !{!4, null}
// !4 = !{!1}
// !5 = distinct !{!1}
// !6 = distinct !{!4}
EXPECT_EQ(N4, N1->getOperand(0));
EXPECT_EQ(N1, N4->getOperand(0));
EXPECT_EQ(N1, N5->getOperand(0));
EXPECT_EQ(N4, N6->getOperand(0));
}
TEST_F(MDNodeTest, replaceResolvedOperand) {
// Check code for replacing one resolved operand with another. If doing this
// directly (via replaceOperandWith()) becomes illegal, change the operand to
// a global value that gets RAUW'ed.
//
// Use a temporary node to keep N from being resolved.
auto Temp = MDTuple::getTemporary(Context, None);
Metadata *Ops[] = {nullptr, Temp.get()};
MDNode *Empty = MDTuple::get(Context, ArrayRef<Metadata *>());
MDNode *N = MDTuple::get(Context, Ops);
EXPECT_EQ(nullptr, N->getOperand(0));
ASSERT_FALSE(N->isResolved());
// Check code for replacing resolved nodes.
N->replaceOperandWith(0, Empty);
EXPECT_EQ(Empty, N->getOperand(0));
// Check code for adding another unresolved operand.
N->replaceOperandWith(0, Temp.get());
EXPECT_EQ(Temp.get(), N->getOperand(0));
// Remove the references to Temp; required for teardown.
Temp->replaceAllUsesWith(nullptr);
}
TEST_F(MDNodeTest, replaceWithUniqued) {
auto *Empty = MDTuple::get(Context, None);
MDTuple *FirstUniqued;
{
Metadata *Ops[] = {Empty};
auto Temp = MDTuple::getTemporary(Context, Ops);
EXPECT_TRUE(Temp->isTemporary());
// Don't expect a collision.
auto *Current = Temp.get();
FirstUniqued = MDNode::replaceWithUniqued(std::move(Temp));
EXPECT_TRUE(FirstUniqued->isUniqued());
EXPECT_TRUE(FirstUniqued->isResolved());
EXPECT_EQ(Current, FirstUniqued);
}
{
Metadata *Ops[] = {Empty};
auto Temp = MDTuple::getTemporary(Context, Ops);
EXPECT_TRUE(Temp->isTemporary());
// Should collide with Uniqued above this time.
auto *Uniqued = MDNode::replaceWithUniqued(std::move(Temp));
EXPECT_TRUE(Uniqued->isUniqued());
EXPECT_TRUE(Uniqued->isResolved());
EXPECT_EQ(FirstUniqued, Uniqued);
}
{
auto Unresolved = MDTuple::getTemporary(Context, None);
Metadata *Ops[] = {Unresolved.get()};
auto Temp = MDTuple::getTemporary(Context, Ops);
EXPECT_TRUE(Temp->isTemporary());
// Shouldn't be resolved.
auto *Uniqued = MDNode::replaceWithUniqued(std::move(Temp));
EXPECT_TRUE(Uniqued->isUniqued());
EXPECT_FALSE(Uniqued->isResolved());
// Should be a different node.
EXPECT_NE(FirstUniqued, Uniqued);
// Should resolve when we update its node (note: be careful to avoid a
// collision with any other nodes above).
Uniqued->replaceOperandWith(0, nullptr);
EXPECT_TRUE(Uniqued->isResolved());
}
}
TEST_F(MDNodeTest, replaceWithUniquedResolvingOperand) {
// temp !{}
MDTuple *Op = MDTuple::getTemporary(Context, None).release();
EXPECT_FALSE(Op->isResolved());
// temp !{temp !{}}
Metadata *Ops[] = {Op};
MDTuple *N = MDTuple::getTemporary(Context, Ops).release();
EXPECT_FALSE(N->isResolved());
// temp !{temp !{}} => !{temp !{}}
ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N)));
EXPECT_FALSE(N->isResolved());
// !{temp !{}} => !{!{}}
ASSERT_EQ(Op, MDNode::replaceWithUniqued(TempMDTuple(Op)));
EXPECT_TRUE(Op->isResolved());
EXPECT_TRUE(N->isResolved());
}
TEST_F(MDNodeTest, replaceWithUniquedDeletedOperand) {
// i1* @GV
Type *Ty = Type::getInt1PtrTy(Context);
std::unique_ptr<GlobalVariable> GV(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get());
// temp !{i1* @GV}
Metadata *Ops[] = {Op};
MDTuple *N = MDTuple::getTemporary(Context, Ops).release();
// temp !{i1* @GV} => !{i1* @GV}
ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N)));
ASSERT_TRUE(N->isUniqued());
// !{i1* @GV} => !{null}
GV.reset();
ASSERT_TRUE(N->isDistinct());
ASSERT_EQ(nullptr, N->getOperand(0));
Metadata *NullOps[] = {nullptr};
ASSERT_NE(N, MDTuple::get(Context, NullOps));
}
TEST_F(MDNodeTest, replaceWithUniquedChangedOperand) {
// i1* @GV
Type *Ty = Type::getInt1PtrTy(Context);
std::unique_ptr<GlobalVariable> GV(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get());
// temp !{i1* @GV}
Metadata *Ops[] = {Op};
MDTuple *N = MDTuple::getTemporary(Context, Ops).release();
// temp !{i1* @GV} => !{i1* @GV}
ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N)));
ASSERT_TRUE(N->isUniqued());
// !{i1* @GV} => !{i1* @GV2}
std::unique_ptr<GlobalVariable> GV2(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
GV->replaceAllUsesWith(GV2.get());
ASSERT_TRUE(N->isUniqued());
Metadata *NullOps[] = {ConstantAsMetadata::get(GV2.get())};
ASSERT_EQ(N, MDTuple::get(Context, NullOps));
}
TEST_F(MDNodeTest, replaceWithDistinct) {
{
auto *Empty = MDTuple::get(Context, None);
Metadata *Ops[] = {Empty};
auto Temp = MDTuple::getTemporary(Context, Ops);
EXPECT_TRUE(Temp->isTemporary());
// Don't expect a collision.
auto *Current = Temp.get();
auto *Distinct = MDNode::replaceWithDistinct(std::move(Temp));
EXPECT_TRUE(Distinct->isDistinct());
EXPECT_TRUE(Distinct->isResolved());
EXPECT_EQ(Current, Distinct);
}
{
auto Unresolved = MDTuple::getTemporary(Context, None);
Metadata *Ops[] = {Unresolved.get()};
auto Temp = MDTuple::getTemporary(Context, Ops);
EXPECT_TRUE(Temp->isTemporary());
// Don't expect a collision.
auto *Current = Temp.get();
auto *Distinct = MDNode::replaceWithDistinct(std::move(Temp));
EXPECT_TRUE(Distinct->isDistinct());
EXPECT_TRUE(Distinct->isResolved());
EXPECT_EQ(Current, Distinct);
// Cleanup; required for teardown.
Unresolved->replaceAllUsesWith(nullptr);
}
}
TEST_F(MDNodeTest, replaceWithPermanent) {
Metadata *Ops[] = {nullptr};
auto Temp = MDTuple::getTemporary(Context, Ops);
auto *T = Temp.get();
// U is a normal, uniqued node that references T.
auto *U = MDTuple::get(Context, T);
EXPECT_TRUE(U->isUniqued());
// Make Temp self-referencing.
Temp->replaceOperandWith(0, T);
// Try to uniquify Temp. This should, despite the name in the API, give a
// 'distinct' node, since self-references aren't allowed to be uniqued.
//
// Since it's distinct, N should have the same address as when it was a
// temporary (i.e., be equal to T not U).
auto *N = MDNode::replaceWithPermanent(std::move(Temp));
EXPECT_EQ(N, T);
EXPECT_TRUE(N->isDistinct());
// U should be the canonical unique node with N as the argument.
EXPECT_EQ(U, MDTuple::get(Context, N));
EXPECT_TRUE(U->isUniqued());
// This temporary should collide with U when replaced, but it should still be
// uniqued.
EXPECT_EQ(U, MDNode::replaceWithPermanent(MDTuple::getTemporary(Context, N)));
EXPECT_TRUE(U->isUniqued());
// This temporary should become a new uniqued node.
auto Temp2 = MDTuple::getTemporary(Context, U);
auto *V = Temp2.get();
EXPECT_EQ(V, MDNode::replaceWithPermanent(std::move(Temp2)));
EXPECT_TRUE(V->isUniqued());
EXPECT_EQ(U, V->getOperand(0));
}
TEST_F(MDNodeTest, deleteTemporaryWithTrackingRef) {
TrackingMDRef Ref;
EXPECT_EQ(nullptr, Ref.get());
{
auto Temp = MDTuple::getTemporary(Context, None);
Ref.reset(Temp.get());
EXPECT_EQ(Temp.get(), Ref.get());
}
EXPECT_EQ(nullptr, Ref.get());
}
typedef MetadataTest DILocationTest;
TEST_F(DILocationTest, Overflow) {
DISubprogram *N = getSubprogram();
{
DILocation *L = DILocation::get(Context, 2, 7, N);
EXPECT_EQ(2u, L->getLine());
EXPECT_EQ(7u, L->getColumn());
}
unsigned U16 = 1u << 16;
{
DILocation *L = DILocation::get(Context, UINT32_MAX, U16 - 1, N);
EXPECT_EQ(UINT32_MAX, L->getLine());
EXPECT_EQ(U16 - 1, L->getColumn());
}
{
DILocation *L = DILocation::get(Context, UINT32_MAX, U16, N);
EXPECT_EQ(UINT32_MAX, L->getLine());
EXPECT_EQ(0u, L->getColumn());
}
{
DILocation *L = DILocation::get(Context, UINT32_MAX, U16 + 1, N);
EXPECT_EQ(UINT32_MAX, L->getLine());
EXPECT_EQ(0u, L->getColumn());
}
}
TEST_F(DILocationTest, Merge) {
DISubprogram *N = getSubprogram();
DIScope *S = DILexicalBlock::get(Context, N, getFile(), 3, 4);
{
// Identical.
auto *A = DILocation::get(Context, 2, 7, N);
auto *B = DILocation::get(Context, 2, 7, N);
auto *M = DILocation::getMergedLocation(A, B);
EXPECT_EQ(2u, M->getLine());
EXPECT_EQ(7u, M->getColumn());
EXPECT_EQ(N, M->getScope());
}
{
// Identical, different scopes.
auto *A = DILocation::get(Context, 2, 7, N);
auto *B = DILocation::get(Context, 2, 7, S);
auto *M = DILocation::getMergedLocation(A, B);
EXPECT_EQ(0u, M->getLine()); // FIXME: Should this be 2?
EXPECT_EQ(0u, M->getColumn()); // FIXME: Should this be 7?
EXPECT_EQ(N, M->getScope());
}
{
// Different lines, same scopes.
auto *A = DILocation::get(Context, 1, 6, N);
auto *B = DILocation::get(Context, 2, 7, N);
auto *M = DILocation::getMergedLocation(A, B);
EXPECT_EQ(0u, M->getLine());
EXPECT_EQ(0u, M->getColumn());
EXPECT_EQ(N, M->getScope());
}
{
// Twisty locations, all different, same function.
auto *A = DILocation::get(Context, 1, 6, N);
auto *B = DILocation::get(Context, 2, 7, S);
auto *M = DILocation::getMergedLocation(A, B);
EXPECT_EQ(0u, M->getLine());
EXPECT_EQ(0u, M->getColumn());
EXPECT_EQ(N, M->getScope());
}
{
// Different function, same inlined-at.
auto *F = getFile();
auto *SP1 = DISubprogram::getDistinct(Context, F, "a", "a", F, 0, nullptr,
0, nullptr, 0, 0, DINode::FlagZero,
DISubprogram::SPFlagZero, nullptr);
auto *SP2 = DISubprogram::getDistinct(Context, F, "b", "b", F, 0, nullptr,
0, nullptr, 0, 0, DINode::FlagZero,
DISubprogram::SPFlagZero, nullptr);
auto *I = DILocation::get(Context, 2, 7, N);
auto *A = DILocation::get(Context, 1, 6, SP1, I);
auto *B = DILocation::get(Context, 2, 7, SP2, I);
auto *M = DILocation::getMergedLocation(A, B);
EXPECT_EQ(0u, M->getLine());
EXPECT_EQ(0u, M->getColumn());
EXPECT_TRUE(isa<DILocalScope>(M->getScope()));
EXPECT_EQ(I, M->getInlinedAt());
}
{
// Completely different.
auto *I = DILocation::get(Context, 2, 7, N);
auto *A = DILocation::get(Context, 1, 6, S, I);
auto *B = DILocation::get(Context, 2, 7, getSubprogram());
auto *M = DILocation::getMergedLocation(A, B);
EXPECT_EQ(0u, M->getLine());
EXPECT_EQ(0u, M->getColumn());
EXPECT_TRUE(isa<DILocalScope>(M->getScope()));
EXPECT_EQ(S, M->getScope());
EXPECT_EQ(nullptr, M->getInlinedAt());
}
}
TEST_F(DILocationTest, getDistinct) {
MDNode *N = getSubprogram();
DILocation *L0 = DILocation::getDistinct(Context, 2, 7, N);
EXPECT_TRUE(L0->isDistinct());
DILocation *L1 = DILocation::get(Context, 2, 7, N);
EXPECT_FALSE(L1->isDistinct());
EXPECT_EQ(L1, DILocation::get(Context, 2, 7, N));
}
TEST_F(DILocationTest, getTemporary) {
MDNode *N = MDNode::get(Context, None);
auto L = DILocation::getTemporary(Context, 2, 7, N);
EXPECT_TRUE(L->isTemporary());
EXPECT_FALSE(L->isResolved());
}
TEST_F(DILocationTest, cloneTemporary) {
MDNode *N = MDNode::get(Context, None);
auto L = DILocation::getTemporary(Context, 2, 7, N);
EXPECT_TRUE(L->isTemporary());
auto L2 = L->clone();
EXPECT_TRUE(L2->isTemporary());
}
TEST_F(DILocationTest, discriminatorEncoding) {
EXPECT_EQ(0U, DILocation::encodeDiscriminator(0, 0, 0).getValue());
// Encode base discriminator as a component: lsb is 0, then the value.
// The other components are all absent, so we leave all the other bits 0.
EXPECT_EQ(2U, DILocation::encodeDiscriminator(1, 0, 0).getValue());
// Base discriminator component is empty, so lsb is 1. Next component is not
// empty, so its lsb is 0, then its value (1). Next component is empty.
// So the bit pattern is 101.
EXPECT_EQ(5U, DILocation::encodeDiscriminator(0, 1, 0).getValue());
// First 2 components are empty, so the bit pattern is 11. Then the
// next component - ending up with 1011.
EXPECT_EQ(0xbU, DILocation::encodeDiscriminator(0, 0, 1).getValue());
// The bit pattern for the first 2 components is 11. The next bit is 0,
// because the last component is not empty. We have 29 bits usable for
// encoding, but we cap it at 12 bits uniformously for all components. We
// encode the last component over 14 bits.
EXPECT_EQ(0xfffbU, DILocation::encodeDiscriminator(0, 0, 0xfff).getValue());
EXPECT_EQ(0x102U, DILocation::encodeDiscriminator(1, 1, 0).getValue());
EXPECT_EQ(0x13eU, DILocation::encodeDiscriminator(0x1f, 1, 0).getValue());
EXPECT_EQ(0x87feU, DILocation::encodeDiscriminator(0x1ff, 1, 0).getValue());
EXPECT_EQ(0x1f3eU, DILocation::encodeDiscriminator(0x1f, 0x1f, 0).getValue());
EXPECT_EQ(0x3ff3eU,
DILocation::encodeDiscriminator(0x1f, 0x1ff, 0).getValue());
EXPECT_EQ(0x1ff87feU,
DILocation::encodeDiscriminator(0x1ff, 0x1ff, 0).getValue());
EXPECT_EQ(0xfff9f3eU,
DILocation::encodeDiscriminator(0x1f, 0x1f, 0xfff).getValue());
EXPECT_EQ(0xffc3ff3eU,
DILocation::encodeDiscriminator(0x1f, 0x1ff, 0x1ff).getValue());
EXPECT_EQ(0xffcf87feU,
DILocation::encodeDiscriminator(0x1ff, 0x1f, 0x1ff).getValue());
EXPECT_EQ(0xe1ff87feU,
DILocation::encodeDiscriminator(0x1ff, 0x1ff, 7).getValue());
}
TEST_F(DILocationTest, discriminatorEncodingNegativeTests) {
EXPECT_EQ(None, DILocation::encodeDiscriminator(0, 0, 0x1000));
EXPECT_EQ(None, DILocation::encodeDiscriminator(0x1000, 0, 0));
EXPECT_EQ(None, DILocation::encodeDiscriminator(0, 0x1000, 0));
EXPECT_EQ(None, DILocation::encodeDiscriminator(0, 0, 0x1000));
EXPECT_EQ(None, DILocation::encodeDiscriminator(0x1ff, 0x1ff, 8));
EXPECT_EQ(None,
DILocation::encodeDiscriminator(std::numeric_limits<uint32_t>::max(),
std::numeric_limits<uint32_t>::max(),
0));
}
TEST_F(DILocationTest, discriminatorSpecialCases) {
// We don't test getCopyIdentifier here because the only way
// to set it is by constructing an encoded discriminator using
// encodeDiscriminator, which is already tested.
auto L1 = DILocation::get(Context, 1, 2, getSubprogram());
EXPECT_EQ(0U, L1->getBaseDiscriminator());
EXPECT_EQ(1U, L1->getDuplicationFactor());
EXPECT_EQ(L1, L1->cloneWithBaseDiscriminator(0).getValue());
EXPECT_EQ(L1, L1->cloneByMultiplyingDuplicationFactor(0).getValue());
EXPECT_EQ(L1, L1->cloneByMultiplyingDuplicationFactor(1).getValue());
auto L2 = L1->cloneWithBaseDiscriminator(1).getValue();
EXPECT_EQ(0U, L1->getBaseDiscriminator());
EXPECT_EQ(1U, L1->getDuplicationFactor());
EXPECT_EQ(1U, L2->getBaseDiscriminator());
EXPECT_EQ(1U, L2->getDuplicationFactor());
auto L3 = L2->cloneByMultiplyingDuplicationFactor(2).getValue();
EXPECT_EQ(1U, L3->getBaseDiscriminator());
EXPECT_EQ(2U, L3->getDuplicationFactor());
EXPECT_EQ(L2, L2->cloneByMultiplyingDuplicationFactor(1).getValue());
auto L4 = L3->cloneByMultiplyingDuplicationFactor(4).getValue();
EXPECT_EQ(1U, L4->getBaseDiscriminator());
EXPECT_EQ(8U, L4->getDuplicationFactor());
auto L5 = L4->cloneWithBaseDiscriminator(2).getValue();
EXPECT_EQ(2U, L5->getBaseDiscriminator());
EXPECT_EQ(8U, L5->getDuplicationFactor());
// Check extreme cases
auto L6 = L1->cloneWithBaseDiscriminator(0xfff).getValue();
EXPECT_EQ(0xfffU, L6->getBaseDiscriminator());
EXPECT_EQ(0xfffU, L6->cloneByMultiplyingDuplicationFactor(0xfff)
.getValue()
->getDuplicationFactor());
// Check we return None for unencodable cases.
EXPECT_EQ(None, L4->cloneWithBaseDiscriminator(0x1000));
EXPECT_EQ(None, L4->cloneByMultiplyingDuplicationFactor(0x1000));
}
typedef MetadataTest GenericDINodeTest;
TEST_F(GenericDINodeTest, get) {
StringRef Header = "header";
auto *Empty = MDNode::get(Context, None);
Metadata *Ops1[] = {Empty};
auto *N = GenericDINode::get(Context, 15, Header, Ops1);
EXPECT_EQ(15u, N->getTag());
EXPECT_EQ(2u, N->getNumOperands());
EXPECT_EQ(Header, N->getHeader());
EXPECT_EQ(MDString::get(Context, Header), N->getOperand(0));
EXPECT_EQ(1u, N->getNumDwarfOperands());
EXPECT_EQ(Empty, N->getDwarfOperand(0));
EXPECT_EQ(Empty, N->getOperand(1));
ASSERT_TRUE(N->isUniqued());
EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops1));
N->replaceOperandWith(1, nullptr);
EXPECT_EQ(15u, N->getTag());
EXPECT_EQ(Header, N->getHeader());
EXPECT_EQ(nullptr, N->getDwarfOperand(0));
ASSERT_TRUE(N->isUniqued());
Metadata *Ops2[] = {nullptr};
EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops2));
N->replaceDwarfOperandWith(0, Empty);
EXPECT_EQ(15u, N->getTag());
EXPECT_EQ(Header, N->getHeader());
EXPECT_EQ(Empty, N->getDwarfOperand(0));
ASSERT_TRUE(N->isUniqued());
EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops1));
TempGenericDINode Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(GenericDINodeTest, getEmptyHeader) {
// Canonicalize !"" to null.
auto *N = GenericDINode::get(Context, 15, StringRef(), None);
EXPECT_EQ(StringRef(), N->getHeader());
EXPECT_EQ(nullptr, N->getOperand(0));
}
typedef MetadataTest DISubrangeTest;
TEST_F(DISubrangeTest, get) {
auto *N = DISubrange::get(Context, 5, 7);
auto Count = N->getCount();
EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag());
ASSERT_TRUE(Count);
ASSERT_TRUE(Count.is<ConstantInt*>());
EXPECT_EQ(5, Count.get<ConstantInt*>()->getSExtValue());
EXPECT_EQ(7, N->getLowerBound());
EXPECT_EQ(N, DISubrange::get(Context, 5, 7));
EXPECT_EQ(DISubrange::get(Context, 5, 0), DISubrange::get(Context, 5));
TempDISubrange Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(DISubrangeTest, getEmptyArray) {
auto *N = DISubrange::get(Context, -1, 0);
auto Count = N->getCount();
EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag());
ASSERT_TRUE(Count);
ASSERT_TRUE(Count.is<ConstantInt*>());
EXPECT_EQ(-1, Count.get<ConstantInt*>()->getSExtValue());
EXPECT_EQ(0, N->getLowerBound());
EXPECT_EQ(N, DISubrange::get(Context, -1, 0));
}
TEST_F(DISubrangeTest, getVariableCount) {
DILocalScope *Scope = getSubprogram();
DIFile *File = getFile();
DIType *Type = getDerivedType();
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7);
auto *VlaExpr = DILocalVariable::get(Context, Scope, "vla_expr", File, 8,
Type, 2, Flags, 8);
auto *N = DISubrange::get(Context, VlaExpr, 0);
auto Count = N->getCount();
ASSERT_TRUE(Count);
ASSERT_TRUE(Count.is<DIVariable*>());
EXPECT_EQ(VlaExpr, Count.get<DIVariable*>());
ASSERT_TRUE(isa<DIVariable>(N->getRawCountNode()));
EXPECT_EQ(0, N->getLowerBound());
EXPECT_EQ("vla_expr", Count.get<DIVariable*>()->getName());
EXPECT_EQ(N, DISubrange::get(Context, VlaExpr, 0));
}
typedef MetadataTest DIEnumeratorTest;
TEST_F(DIEnumeratorTest, get) {
auto *N = DIEnumerator::get(Context, 7, false, "name");
EXPECT_EQ(dwarf::DW_TAG_enumerator, N->getTag());
EXPECT_EQ(7, N->getValue());
EXPECT_FALSE(N->isUnsigned());
EXPECT_EQ("name", N->getName());
EXPECT_EQ(N, DIEnumerator::get(Context, 7, false, "name"));
EXPECT_NE(N, DIEnumerator::get(Context, 7, true, "name"));
EXPECT_NE(N, DIEnumerator::get(Context, 8, false, "name"));
EXPECT_NE(N, DIEnumerator::get(Context, 7, false, "nam"));
TempDIEnumerator Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
typedef MetadataTest DIBasicTypeTest;
TEST_F(DIBasicTypeTest, get) {
auto *N =
DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 26, 7,
DINode::FlagZero);
EXPECT_EQ(dwarf::DW_TAG_base_type, N->getTag());
EXPECT_EQ("special", N->getName());
EXPECT_EQ(33u, N->getSizeInBits());
EXPECT_EQ(26u, N->getAlignInBits());
EXPECT_EQ(7u, N->getEncoding());
EXPECT_EQ(0u, N->getLine());
EXPECT_EQ(DINode::FlagZero, N->getFlags());
EXPECT_EQ(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
26, 7, DINode::FlagZero));
EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type,
"special", 33, 26, 7, DINode::FlagZero));
EXPECT_NE(N,
DIBasicType::get(Context, dwarf::DW_TAG_base_type, "s", 33, 26, 7,
DINode::FlagZero));
EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 32,
26, 7, DINode::FlagZero));
EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
25, 7, DINode::FlagZero));
EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
26, 6, DINode::FlagZero));
EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
26, 7, DINode::FlagBigEndian));
EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
26, 7, DINode::FlagLittleEndian));
TempDIBasicType Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(DIBasicTypeTest, getWithLargeValues) {
auto *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special",
UINT64_MAX, UINT32_MAX - 1, 7, DINode::FlagZero);
EXPECT_EQ(UINT64_MAX, N->getSizeInBits());
EXPECT_EQ(UINT32_MAX - 1, N->getAlignInBits());
}
TEST_F(DIBasicTypeTest, getUnspecified) {
auto *N =
DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, "unspecified");
EXPECT_EQ(dwarf::DW_TAG_unspecified_type, N->getTag());
EXPECT_EQ("unspecified", N->getName());
EXPECT_EQ(0u, N->getSizeInBits());
EXPECT_EQ(0u, N->getAlignInBits());
EXPECT_EQ(0u, N->getEncoding());
EXPECT_EQ(0u, N->getLine());
EXPECT_EQ(DINode::FlagZero, N->getFlags());
}
typedef MetadataTest DITypeTest;
TEST_F(DITypeTest, clone) {
// Check that DIType has a specialized clone that returns TempDIType.
DIType *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "int", 32, 32,
dwarf::DW_ATE_signed, DINode::FlagZero);
TempDIType Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(DITypeTest, cloneWithFlags) {
// void (void)
Metadata *TypesOps[] = {nullptr};
Metadata *Types = MDTuple::get(Context, TypesOps);
DIType *D =
DISubroutineType::getDistinct(Context, DINode::FlagZero, 0, Types);
EXPECT_EQ(DINode::FlagZero, D->getFlags());
TempDIType D2 = D->cloneWithFlags(DINode::FlagRValueReference);
EXPECT_EQ(DINode::FlagRValueReference, D2->getFlags());
EXPECT_EQ(DINode::FlagZero, D->getFlags());
TempDIType T =
DISubroutineType::getTemporary(Context, DINode::FlagZero, 0, Types);
EXPECT_EQ(DINode::FlagZero, T->getFlags());
TempDIType T2 = T->cloneWithFlags(DINode::FlagRValueReference);
EXPECT_EQ(DINode::FlagRValueReference, T2->getFlags());
EXPECT_EQ(DINode::FlagZero, T->getFlags());
}
typedef MetadataTest DIDerivedTypeTest;
TEST_F(DIDerivedTypeTest, get) {
DIFile *File = getFile();
DIScope *Scope = getSubprogram();
DIType *BaseType = getBasicType("basic");
MDTuple *ExtraData = getTuple();
unsigned DWARFAddressSpace = 8;
DINode::DIFlags Flags5 = static_cast<DINode::DIFlags>(5);
DINode::DIFlags Flags4 = static_cast<DINode::DIFlags>(4);
auto *N =
DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "something", File,
1, Scope, BaseType, 2, 3, 4, DWARFAddressSpace, Flags5,
ExtraData);
EXPECT_EQ(dwarf::DW_TAG_pointer_type, N->getTag());
EXPECT_EQ("something", N->getName());
EXPECT_EQ(File, N->getFile());
EXPECT_EQ(1u, N->getLine());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(BaseType, N->getBaseType());
EXPECT_EQ(2u, N->getSizeInBits());
EXPECT_EQ(3u, N->getAlignInBits());
EXPECT_EQ(4u, N->getOffsetInBits());
EXPECT_EQ(DWARFAddressSpace, N->getDWARFAddressSpace().getValue());
EXPECT_EQ(5u, N->getFlags());
EXPECT_EQ(ExtraData, N->getExtraData());
EXPECT_EQ(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, Scope, BaseType, 2, 3,
4, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_reference_type,
"something", File, 1, Scope, BaseType, 2, 3,
4, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "else",
File, 1, Scope, BaseType, 2, 3,
4, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", getFile(), 1, Scope, BaseType, 2,
3, 4, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 2, Scope, BaseType, 2, 3,
4, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, getSubprogram(),
BaseType, 2, 3, 4, DWARFAddressSpace, Flags5,
ExtraData));
EXPECT_NE(N, DIDerivedType::get(
Context, dwarf::DW_TAG_pointer_type, "something", File, 1,
Scope, getBasicType("basic2"), 2, 3, 4, DWARFAddressSpace,
Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, Scope, BaseType, 3, 3,
4, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, Scope, BaseType, 2, 2,
4, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, Scope, BaseType, 2, 3,
5, DWARFAddressSpace, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, Scope, BaseType, 2, 3,
4, DWARFAddressSpace + 1, Flags5, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, Scope, BaseType, 2, 3,
4, DWARFAddressSpace, Flags4, ExtraData));
EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
"something", File, 1, Scope, BaseType, 2, 3,
4, DWARFAddressSpace, Flags5, getTuple()));
TempDIDerivedType Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(DIDerivedTypeTest, getWithLargeValues) {
DIFile *File = getFile();
DIScope *Scope = getSubprogram();
DIType *BaseType = getBasicType("basic");
MDTuple *ExtraData = getTuple();
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5);
auto *N = DIDerivedType::get(
Context, dwarf::DW_TAG_pointer_type, "something", File, 1, Scope,
BaseType, UINT64_MAX, UINT32_MAX - 1, UINT64_MAX - 2, UINT32_MAX - 3,
Flags, ExtraData);
EXPECT_EQ(UINT64_MAX, N->getSizeInBits());
EXPECT_EQ(UINT32_MAX - 1, N->getAlignInBits());
EXPECT_EQ(UINT64_MAX - 2, N->getOffsetInBits());
EXPECT_EQ(UINT32_MAX - 3, N->getDWARFAddressSpace().getValue());
}
typedef MetadataTest DICompositeTypeTest;
TEST_F(DICompositeTypeTest, get) {
unsigned Tag = dwarf::DW_TAG_structure_type;
StringRef Name = "some name";
DIFile *File = getFile();
unsigned Line = 1;
DIScope *Scope = getSubprogram();
DIType *BaseType = getCompositeType();
uint64_t SizeInBits = 2;
uint32_t AlignInBits = 3;
uint64_t OffsetInBits = 4;
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5);
MDTuple *Elements = getTuple();
unsigned RuntimeLang = 6;
DIType *VTableHolder = getCompositeType();
MDTuple *TemplateParams = getTuple();
StringRef Identifier = "some id";
auto *N = DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier);
EXPECT_EQ(Tag, N->getTag());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(File, N->getFile());
EXPECT_EQ(Line, N->getLine());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(BaseType, N->getBaseType());
EXPECT_EQ(SizeInBits, N->getSizeInBits());
EXPECT_EQ(AlignInBits, N->getAlignInBits());
EXPECT_EQ(OffsetInBits, N->getOffsetInBits());
EXPECT_EQ(Flags, N->getFlags());
EXPECT_EQ(Elements, N->getElements().get());
EXPECT_EQ(RuntimeLang, N->getRuntimeLang());
EXPECT_EQ(VTableHolder, N->getVTableHolder());
EXPECT_EQ(TemplateParams, N->getTemplateParams().get());
EXPECT_EQ(Identifier, N->getIdentifier());
EXPECT_EQ(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag + 1, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag, "abc", File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, getFile(), Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line + 1, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(
Context, Tag, Name, File, Line, getSubprogram(), BaseType,
SizeInBits, AlignInBits, OffsetInBits, Flags, Elements,
RuntimeLang, VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(
Context, Tag, Name, File, Line, Scope, getBasicType("other"),
SizeInBits, AlignInBits, OffsetInBits, Flags, Elements,
RuntimeLang, VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits + 1, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits + 1,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
AlignInBits, OffsetInBits + 1, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
DINode::DIFlags FlagsPOne = static_cast<DINode::DIFlags>(Flags + 1);
EXPECT_NE(N, DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
AlignInBits, OffsetInBits, FlagsPOne, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
AlignInBits, OffsetInBits, Flags, getTuple(), RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang + 1,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
getCompositeType(), TemplateParams, Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, getTuple(), Identifier));
EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, "other"));
// Be sure that missing identifiers get null pointers.
EXPECT_FALSE(DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, "")
->getRawIdentifier());
EXPECT_FALSE(DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams)
->getRawIdentifier());
TempDICompositeType Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(DICompositeTypeTest, getWithLargeValues) {
unsigned Tag = dwarf::DW_TAG_structure_type;
StringRef Name = "some name";
DIFile *File = getFile();
unsigned Line = 1;
DIScope *Scope = getSubprogram();
DIType *BaseType = getCompositeType();
uint64_t SizeInBits = UINT64_MAX;
uint32_t AlignInBits = UINT32_MAX - 1;
uint64_t OffsetInBits = UINT64_MAX - 2;
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5);
MDTuple *Elements = getTuple();
unsigned RuntimeLang = 6;
DIType *VTableHolder = getCompositeType();
MDTuple *TemplateParams = getTuple();
StringRef Identifier = "some id";
auto *N = DICompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier);
EXPECT_EQ(SizeInBits, N->getSizeInBits());
EXPECT_EQ(AlignInBits, N->getAlignInBits());
EXPECT_EQ(OffsetInBits, N->getOffsetInBits());
}
TEST_F(DICompositeTypeTest, replaceOperands) {
unsigned Tag = dwarf::DW_TAG_structure_type;
StringRef Name = "some name";
DIFile *File = getFile();
unsigned Line = 1;
DIScope *Scope = getSubprogram();
DIType *BaseType = getCompositeType();
uint64_t SizeInBits = 2;
uint32_t AlignInBits = 3;
uint64_t OffsetInBits = 4;
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5);
unsigned RuntimeLang = 6;
StringRef Identifier = "some id";
auto *N = DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier);
auto *Elements = MDTuple::getDistinct(Context, None);
EXPECT_EQ(nullptr, N->getElements().get());
N->replaceElements(Elements);
EXPECT_EQ(Elements, N->getElements().get());
N->replaceElements(nullptr);
EXPECT_EQ(nullptr, N->getElements().get());
DIType *VTableHolder = getCompositeType();
EXPECT_EQ(nullptr, N->getVTableHolder());
N->replaceVTableHolder(VTableHolder);
EXPECT_EQ(VTableHolder, N->getVTableHolder());
// As an extension, the containing type can be anything. This is
// used by Rust to associate vtables with their concrete type.
DIType *BasicType = getBasicType("basic");
N->replaceVTableHolder(BasicType);
EXPECT_EQ(BasicType, N->getVTableHolder());
N->replaceVTableHolder(nullptr);
EXPECT_EQ(nullptr, N->getVTableHolder());
auto *TemplateParams = MDTuple::getDistinct(Context, None);
EXPECT_EQ(nullptr, N->getTemplateParams().get());
N->replaceTemplateParams(TemplateParams);
EXPECT_EQ(TemplateParams, N->getTemplateParams().get());
N->replaceTemplateParams(nullptr);
EXPECT_EQ(nullptr, N->getTemplateParams().get());
}
TEST_F(DICompositeTypeTest, variant_part) {
unsigned Tag = dwarf::DW_TAG_variant_part;
StringRef Name = "some name";
DIFile *File = getFile();
unsigned Line = 1;
DIScope *Scope = getSubprogram();
DIType *BaseType = getCompositeType();
uint64_t SizeInBits = 2;
uint32_t AlignInBits = 3;
uint64_t OffsetInBits = 4;
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5);
unsigned RuntimeLang = 6;
StringRef Identifier = "some id";
DIDerivedType *Discriminator = cast<DIDerivedType>(getDerivedType());
DIDerivedType *Discriminator2 = cast<DIDerivedType>(getDerivedType());
EXPECT_NE(Discriminator, Discriminator2);
auto *N = DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier,
Discriminator);
// Test the hashing.
auto *Same = DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier,
Discriminator);
auto *Other = DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier,
Discriminator2);
auto *NoDisc = DICompositeType::get(
Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier,
nullptr);
EXPECT_EQ(N, Same);
EXPECT_NE(Same, Other);
EXPECT_NE(Same, NoDisc);
EXPECT_NE(Other, NoDisc);
EXPECT_EQ(N->getDiscriminator(), Discriminator);
}
typedef MetadataTest DISubroutineTypeTest;
TEST_F(DISubroutineTypeTest, get) {
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(1);
DINode::DIFlags FlagsPOne = static_cast<DINode::DIFlags>(Flags + 1);
MDTuple *TypeArray = getTuple();
auto *N = DISubroutineType::get(Context, Flags, 0, TypeArray);
EXPECT_EQ(dwarf::DW_TAG_subroutine_type, N->getTag());
EXPECT_EQ(Flags, N->getFlags());
EXPECT_EQ(TypeArray, N->getTypeArray().get());
EXPECT_EQ(N, DISubroutineType::get(Context, Flags, 0, TypeArray));
EXPECT_NE(N, DISubroutineType::get(Context, FlagsPOne, 0, TypeArray));
EXPECT_NE(N, DISubroutineType::get(Context, Flags, 0, getTuple()));
// Test the hashing of calling conventions.
auto *Fast = DISubroutineType::get(
Context, Flags, dwarf::DW_CC_BORLAND_msfastcall, TypeArray);
auto *Std = DISubroutineType::get(Context, Flags,
dwarf::DW_CC_BORLAND_stdcall, TypeArray);
EXPECT_EQ(Fast,
DISubroutineType::get(Context, Flags,
dwarf::DW_CC_BORLAND_msfastcall, TypeArray));
EXPECT_EQ(Std, DISubroutineType::get(
Context, Flags, dwarf::DW_CC_BORLAND_stdcall, TypeArray));
EXPECT_NE(N, Fast);
EXPECT_NE(N, Std);
EXPECT_NE(Fast, Std);
TempDISubroutineType Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
// Test always-empty operands.
EXPECT_EQ(nullptr, N->getScope());
EXPECT_EQ(nullptr, N->getFile());
EXPECT_EQ("", N->getName());
}
typedef MetadataTest DIFileTest;
TEST_F(DIFileTest, get) {
StringRef Filename = "file";
StringRef Directory = "dir";
DIFile::ChecksumKind CSKind = DIFile::ChecksumKind::CSK_MD5;
StringRef ChecksumString = "000102030405060708090a0b0c0d0e0f";
DIFile::ChecksumInfo<StringRef> Checksum(CSKind, ChecksumString);
StringRef Source = "source";
auto *N = DIFile::get(Context, Filename, Directory, Checksum, Source);
EXPECT_EQ(dwarf::DW_TAG_file_type, N->getTag());
EXPECT_EQ(Filename, N->getFilename());
EXPECT_EQ(Directory, N->getDirectory());
EXPECT_EQ(Checksum, N->getChecksum());
EXPECT_EQ(Source, N->getSource());
EXPECT_EQ(N, DIFile::get(Context, Filename, Directory, Checksum, Source));
EXPECT_NE(N, DIFile::get(Context, "other", Directory, Checksum, Source));
EXPECT_NE(N, DIFile::get(Context, Filename, "other", Checksum, Source));
DIFile::ChecksumInfo<StringRef> OtherChecksum(DIFile::ChecksumKind::CSK_SHA1, ChecksumString);
EXPECT_NE(
N, DIFile::get(Context, Filename, Directory, OtherChecksum));
StringRef OtherSource = "other";
EXPECT_NE(N, DIFile::get(Context, Filename, Directory, Checksum, OtherSource));
EXPECT_NE(N, DIFile::get(Context, Filename, Directory, Checksum));
EXPECT_NE(N, DIFile::get(Context, Filename, Directory));
TempDIFile Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(DIFileTest, ScopeGetFile) {
// Ensure that DIScope::getFile() returns itself.
DIScope *N = DIFile::get(Context, "file", "dir");
EXPECT_EQ(N, N->getFile());
}
typedef MetadataTest DICompileUnitTest;
TEST_F(DICompileUnitTest, get) {
unsigned SourceLanguage = 1;
DIFile *File = getFile();
StringRef Producer = "some producer";
bool IsOptimized = false;
StringRef Flags = "flag after flag";
unsigned RuntimeVersion = 2;
StringRef SplitDebugFilename = "another/file";
auto EmissionKind = DICompileUnit::FullDebug;
MDTuple *EnumTypes = getTuple();
MDTuple *RetainedTypes = getTuple();
MDTuple *GlobalVariables = getTuple();
MDTuple *ImportedEntities = getTuple();
uint64_t DWOId = 0x10000000c0ffee;
MDTuple *Macros = getTuple();
auto *N = DICompileUnit::getDistinct(
Context, SourceLanguage, File, Producer, IsOptimized, Flags,
RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
RetainedTypes, GlobalVariables, ImportedEntities, Macros, DWOId, true,
false, DICompileUnit::DebugNameTableKind::Default, false);
EXPECT_EQ(dwarf::DW_TAG_compile_unit, N->getTag());
EXPECT_EQ(SourceLanguage, N->getSourceLanguage());
EXPECT_EQ(File, N->getFile());
EXPECT_EQ(Producer, N->getProducer());
EXPECT_EQ(IsOptimized, N->isOptimized());
EXPECT_EQ(Flags, N->getFlags());
EXPECT_EQ(RuntimeVersion, N->getRuntimeVersion());
EXPECT_EQ(SplitDebugFilename, N->getSplitDebugFilename());
EXPECT_EQ(EmissionKind, N->getEmissionKind());
EXPECT_EQ(EnumTypes, N->getEnumTypes().get());
EXPECT_EQ(RetainedTypes, N->getRetainedTypes().get());
EXPECT_EQ(GlobalVariables, N->getGlobalVariables().get());
EXPECT_EQ(ImportedEntities, N->getImportedEntities().get());
EXPECT_EQ(Macros, N->getMacros().get());
EXPECT_EQ(DWOId, N->getDWOId());
TempDICompileUnit Temp = N->clone();
EXPECT_EQ(dwarf::DW_TAG_compile_unit, Temp->getTag());
EXPECT_EQ(SourceLanguage, Temp->getSourceLanguage());
EXPECT_EQ(File, Temp->getFile());
EXPECT_EQ(Producer, Temp->getProducer());
EXPECT_EQ(IsOptimized, Temp->isOptimized());
EXPECT_EQ(Flags, Temp->getFlags());
EXPECT_EQ(RuntimeVersion, Temp->getRuntimeVersion());
EXPECT_EQ(SplitDebugFilename, Temp->getSplitDebugFilename());
EXPECT_EQ(EmissionKind, Temp->getEmissionKind());
EXPECT_EQ(EnumTypes, Temp->getEnumTypes().get());
EXPECT_EQ(RetainedTypes, Temp->getRetainedTypes().get());
EXPECT_EQ(GlobalVariables, Temp->getGlobalVariables().get());
EXPECT_EQ(ImportedEntities, Temp->getImportedEntities().get());
EXPECT_EQ(Macros, Temp->getMacros().get());
EXPECT_EQ(DWOId, Temp->getDWOId());
auto *TempAddress = Temp.get();
auto *Clone = MDNode::replaceWithPermanent(std::move(Temp));
EXPECT_TRUE(Clone->isDistinct());
EXPECT_EQ(TempAddress, Clone);
}
TEST_F(DICompileUnitTest, replaceArrays) {
unsigned SourceLanguage = 1;
DIFile *File = getFile();
StringRef Producer = "some producer";
bool IsOptimized = false;
StringRef Flags = "flag after flag";
unsigned RuntimeVersion = 2;
StringRef SplitDebugFilename = "another/file";
auto EmissionKind = DICompileUnit::FullDebug;
MDTuple *EnumTypes = MDTuple::getDistinct(Context, None);
MDTuple *RetainedTypes = MDTuple::getDistinct(Context, None);
MDTuple *ImportedEntities = MDTuple::getDistinct(Context, None);
uint64_t DWOId = 0xc0ffee;
auto *N = DICompileUnit::getDistinct(
Context, SourceLanguage, File, Producer, IsOptimized, Flags,
RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
RetainedTypes, nullptr, ImportedEntities, nullptr, DWOId, true, false,
DICompileUnit::DebugNameTableKind::Default, false);
auto *GlobalVariables = MDTuple::getDistinct(Context, None);
EXPECT_EQ(nullptr, N->getGlobalVariables().get());
N->replaceGlobalVariables(GlobalVariables);
EXPECT_EQ(GlobalVariables, N->getGlobalVariables().get());
N->replaceGlobalVariables(nullptr);
EXPECT_EQ(nullptr, N->getGlobalVariables().get());
auto *Macros = MDTuple::getDistinct(Context, None);
EXPECT_EQ(nullptr, N->getMacros().get());
N->replaceMacros(Macros);
EXPECT_EQ(Macros, N->getMacros().get());
N->replaceMacros(nullptr);
EXPECT_EQ(nullptr, N->getMacros().get());
}
typedef MetadataTest DISubprogramTest;
TEST_F(DISubprogramTest, get) {
DIScope *Scope = getCompositeType();
StringRef Name = "name";
StringRef LinkageName = "linkage";
DIFile *File = getFile();
unsigned Line = 2;
DISubroutineType *Type = getSubroutineType();
bool IsLocalToUnit = false;
bool IsDefinition = true;
unsigned ScopeLine = 3;
DIType *ContainingType = getCompositeType();
unsigned Virtuality = 2;
unsigned VirtualIndex = 5;
int ThisAdjustment = -3;
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(6);
bool IsOptimized = false;
MDTuple *TemplateParams = getTuple();
DISubprogram *Declaration = getSubprogram();
MDTuple *RetainedNodes = getTuple();
MDTuple *ThrownTypes = getTuple();
DICompileUnit *Unit = getUnit();
DISubprogram::DISPFlags SPFlags =
static_cast<DISubprogram::DISPFlags>(Virtuality);
assert(!IsLocalToUnit && IsDefinition && !IsOptimized &&
"bools and SPFlags have to match");
SPFlags |= DISubprogram::SPFlagDefinition;
auto *N = DISubprogram::get(
Context, Scope, Name, LinkageName, File, Line, Type, ScopeLine,
ContainingType, VirtualIndex, ThisAdjustment, Flags, SPFlags, Unit,
TemplateParams, Declaration, RetainedNodes, ThrownTypes);
EXPECT_EQ(dwarf::DW_TAG_subprogram, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(LinkageName, N->getLinkageName());
EXPECT_EQ(File, N->getFile());
EXPECT_EQ(Line, N->getLine());
EXPECT_EQ(Type, N->getType());
EXPECT_EQ(IsLocalToUnit, N->isLocalToUnit());
EXPECT_EQ(IsDefinition, N->isDefinition());
EXPECT_EQ(ScopeLine, N->getScopeLine());
EXPECT_EQ(ContainingType, N->getContainingType());
EXPECT_EQ(Virtuality, N->getVirtuality());
EXPECT_EQ(VirtualIndex, N->getVirtualIndex());
EXPECT_EQ(ThisAdjustment, N->getThisAdjustment());
EXPECT_EQ(Flags, N->getFlags());
EXPECT_EQ(IsOptimized, N->isOptimized());
EXPECT_EQ(Unit, N->getUnit());
EXPECT_EQ(TemplateParams, N->getTemplateParams().get());
EXPECT_EQ(Declaration, N->getDeclaration());
EXPECT_EQ(RetainedNodes, N->getRetainedNodes().get());
EXPECT_EQ(ThrownTypes, N->getThrownTypes().get());
EXPECT_EQ(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, ContainingType, VirtualIndex,
ThisAdjustment, Flags, SPFlags, Unit,
TemplateParams, Declaration, RetainedNodes,
ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, getCompositeType(), Name, LinkageName,
File, Line, Type, ScopeLine, ContainingType,
VirtualIndex, ThisAdjustment, Flags, SPFlags,
Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, "other", LinkageName, File,
Line, Type, ScopeLine, ContainingType,
VirtualIndex, ThisAdjustment, Flags, SPFlags,
Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, "other", File, Line,
Type, ScopeLine, ContainingType, VirtualIndex,
ThisAdjustment, Flags, SPFlags, Unit,
TemplateParams, Declaration, RetainedNodes,
ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, getFile(),
Line, Type, ScopeLine, ContainingType,
VirtualIndex, ThisAdjustment, Flags, SPFlags,
Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File,
Line + 1, Type, ScopeLine, ContainingType,
VirtualIndex, ThisAdjustment, Flags, SPFlags,
Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
getSubroutineType(), ScopeLine, ContainingType,
VirtualIndex, ThisAdjustment, Flags, SPFlags,
Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(
Context, Scope, Name, LinkageName, File, Line, Type,
ScopeLine, ContainingType, VirtualIndex, ThisAdjustment,
Flags, SPFlags ^ DISubprogram::SPFlagLocalToUnit, Unit,
TemplateParams, Declaration, RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(
Context, Scope, Name, LinkageName, File, Line, Type,
ScopeLine, ContainingType, VirtualIndex, ThisAdjustment,
Flags, SPFlags ^ DISubprogram::SPFlagDefinition, Unit,
TemplateParams, Declaration, RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine + 1, ContainingType,
VirtualIndex, ThisAdjustment, Flags, SPFlags,
Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, getCompositeType(),
VirtualIndex, ThisAdjustment, Flags, SPFlags,
Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(
Context, Scope, Name, LinkageName, File, Line, Type,
ScopeLine, ContainingType, VirtualIndex, ThisAdjustment,
Flags, SPFlags ^ DISubprogram::SPFlagVirtual, Unit,
TemplateParams, Declaration, RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, ContainingType,
VirtualIndex + 1, ThisAdjustment, Flags,
SPFlags, Unit, TemplateParams, Declaration,
RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(
Context, Scope, Name, LinkageName, File, Line, Type,
ScopeLine, ContainingType, VirtualIndex, ThisAdjustment,
Flags, SPFlags ^ DISubprogram::SPFlagOptimized, Unit,
TemplateParams, Declaration, RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, ContainingType, VirtualIndex,
ThisAdjustment, Flags, SPFlags, nullptr,
TemplateParams, Declaration, RetainedNodes,
ThrownTypes));
EXPECT_NE(N,
DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, ContainingType, VirtualIndex,
ThisAdjustment, Flags, SPFlags, Unit, getTuple(),
Declaration, RetainedNodes, ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, ContainingType, VirtualIndex,
ThisAdjustment, Flags, SPFlags, Unit,
TemplateParams, getSubprogram(), RetainedNodes,
ThrownTypes));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, ContainingType, VirtualIndex,
ThisAdjustment, Flags, SPFlags, Unit,
TemplateParams, Declaration, getTuple()));
EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, ScopeLine, ContainingType, VirtualIndex,
ThisAdjustment, Flags, SPFlags, Unit,
TemplateParams, Declaration, RetainedNodes,
getTuple()));
TempDISubprogram Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
typedef MetadataTest DILexicalBlockTest;
TEST_F(DILexicalBlockTest, get) {
DILocalScope *Scope = getSubprogram();
DIFile *File = getFile();
unsigned Line = 5;
unsigned Column = 8;
auto *N = DILexicalBlock::get(Context, Scope, File, Line, Column);
EXPECT_EQ(dwarf::DW_TAG_lexical_block, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(File, N->getFile());
EXPECT_EQ(Line, N->getLine());
EXPECT_EQ(Column, N->getColumn());
EXPECT_EQ(N, DILexicalBlock::get(Context, Scope, File, Line, Column));
EXPECT_NE(N,
DILexicalBlock::get(Context, getSubprogram(), File, Line, Column));
EXPECT_NE(N, DILexicalBlock::get(Context, Scope, getFile(), Line, Column));
EXPECT_NE(N, DILexicalBlock::get(Context, Scope, File, Line + 1, Column));
EXPECT_NE(N, DILexicalBlock::get(Context, Scope, File, Line, Column + 1));
TempDILexicalBlock Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
TEST_F(DILexicalBlockTest, Overflow) {
DISubprogram *SP = getSubprogram();
DIFile *F = getFile();
{
auto *LB = DILexicalBlock::get(Context, SP, F, 2, 7);
EXPECT_EQ(2u, LB->getLine());
EXPECT_EQ(7u, LB->getColumn());
}
unsigned U16 = 1u << 16;
{
auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16 - 1);
EXPECT_EQ(UINT32_MAX, LB->getLine());
EXPECT_EQ(U16 - 1, LB->getColumn());
}
{
auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16);
EXPECT_EQ(UINT32_MAX, LB->getLine());
EXPECT_EQ(0u, LB->getColumn());
}
{
auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16 + 1);
EXPECT_EQ(UINT32_MAX, LB->getLine());
EXPECT_EQ(0u, LB->getColumn());
}
}
typedef MetadataTest DILexicalBlockFileTest;
TEST_F(DILexicalBlockFileTest, get) {
DILocalScope *Scope = getSubprogram();
DIFile *File = getFile();
unsigned Discriminator = 5;
auto *N = DILexicalBlockFile::get(Context, Scope, File, Discriminator);
EXPECT_EQ(dwarf::DW_TAG_lexical_block, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(File, N->getFile());
EXPECT_EQ(Discriminator, N->getDiscriminator());
EXPECT_EQ(N, DILexicalBlockFile::get(Context, Scope, File, Discriminator));
EXPECT_NE(N, DILexicalBlockFile::get(Context, getSubprogram(), File,
Discriminator));
EXPECT_NE(N,
DILexicalBlockFile::get(Context, Scope, getFile(), Discriminator));
EXPECT_NE(N,
DILexicalBlockFile::get(Context, Scope, File, Discriminator + 1));
TempDILexicalBlockFile Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
typedef MetadataTest DINamespaceTest;
TEST_F(DINamespaceTest, get) {
DIScope *Scope = getFile();
StringRef Name = "namespace";
bool ExportSymbols = true;
auto *N = DINamespace::get(Context, Scope, Name, ExportSymbols);
EXPECT_EQ(dwarf::DW_TAG_namespace, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(N, DINamespace::get(Context, Scope, Name, ExportSymbols));
EXPECT_NE(N, DINamespace::get(Context, getFile(), Name, ExportSymbols));
EXPECT_NE(N, DINamespace::get(Context, Scope, "other", ExportSymbols));
EXPECT_NE(N, DINamespace::get(Context, Scope, Name, !ExportSymbols));
TempDINamespace Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
typedef MetadataTest DIModuleTest;
TEST_F(DIModuleTest, get) {
DIScope *Scope = getFile();
StringRef Name = "module";
StringRef ConfigMacro = "-DNDEBUG";
StringRef Includes = "-I.";
StringRef Sysroot = "/";
auto *N = DIModule::get(Context, Scope, Name, ConfigMacro, Includes, Sysroot);
EXPECT_EQ(dwarf::DW_TAG_module, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(ConfigMacro, N->getConfigurationMacros());
EXPECT_EQ(Includes, N->getIncludePath());
EXPECT_EQ(Sysroot, N->getISysRoot());
EXPECT_EQ(N, DIModule::get(Context, Scope, Name,
ConfigMacro, Includes, Sysroot));
EXPECT_NE(N, DIModule::get(Context, getFile(), Name,
ConfigMacro, Includes, Sysroot));
EXPECT_NE(N, DIModule::get(Context, Scope, "other",
ConfigMacro, Includes, Sysroot));
EXPECT_NE(N, DIModule::get(Context, Scope, Name,
"other", Includes, Sysroot));
EXPECT_NE(N, DIModule::get(Context, Scope, Name,
ConfigMacro, "other", Sysroot));
EXPECT_NE(N, DIModule::get(Context, Scope, Name,
ConfigMacro, Includes, "other"));
TempDIModule Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
typedef MetadataTest DITemplateTypeParameterTest;
TEST_F(DITemplateTypeParameterTest, get) {
StringRef Name = "template";
DIType *Type = getBasicType("basic");
auto *N = DITemplateTypeParameter::get(Context, Name, Type);
EXPECT_EQ(dwarf::DW_TAG_template_type_parameter, N->getTag());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(Type, N->getType());
EXPECT_EQ(N, DITemplateTypeParameter::get(Context, Name, Type));
EXPECT_NE(N, DITemplateTypeParameter::get(Context, "other", Type));
EXPECT_NE(N,
DITemplateTypeParameter::get(Context, Name, getBasicType("other")));
TempDITemplateTypeParameter Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
typedef MetadataTest DITemplateValueParameterTest;
TEST_F(DITemplateValueParameterTest, get) {
unsigned Tag = dwarf::DW_TAG_template_value_parameter;
StringRef Name = "template";
DIType *Type = getBasicType("basic");
Metadata *Value = getConstantAsMetadata();
auto *N = DITemplateValueParameter::get(Context, Tag, Name, Type, Value);
EXPECT_EQ(Tag, N->getTag());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(Type, N->getType());
EXPECT_EQ(Value, N->getValue());
EXPECT_EQ(N, DITemplateValueParameter::get(Context, Tag, Name, Type, Value));
EXPECT_NE(N, DITemplateValueParameter::get(
Context, dwarf::DW_TAG_GNU_template_template_param, Name,
Type, Value));
EXPECT_NE(N,
DITemplateValueParameter::get(Context, Tag, "other", Type, Value));
EXPECT_NE(N, DITemplateValueParameter::get(Context, Tag, Name,
getBasicType("other"), Value));
EXPECT_NE(N, DITemplateValueParameter::get(Context, Tag, Name, Type,
getConstantAsMetadata()));
TempDITemplateValueParameter Temp = N->clone();
EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
}
typedef MetadataTest DIGlobalVariableTest;
TEST_F(DIGlobalVariableTest, get) {
DIScope *Scope = getSubprogram();
StringRef Name = "name";
StringRef LinkageName = "linkage";
DIFile *File = getFile();
unsigned Line = 5;
DIType *Type = getDerivedType();
bool IsLocalToUnit = false;
bool IsDefinition = true;
MDTuple *templateParams = getTuple();
DIDerivedType *StaticDataMemberDeclaration =
cast<DIDerivedType>(getDerivedType());
uint32_t AlignInBits = 8;
auto *N = DIGlobalVariable::get(
Context, Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
IsDefinition, StaticDataMemberDeclaration, templateParams, AlignInBits);
EXPECT_EQ(dwarf::DW_TAG_variable, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(LinkageName, N->getLinkageName());
EXPECT_EQ(File, N->getFile());
EXPECT_EQ(Line, N->getLine());
EXPECT_EQ(Type, N->getType());
EXPECT_EQ(IsLocalToUnit, N->isLocalToUnit());
EXPECT_EQ(IsDefinition, N->isDefinition());
EXPECT_EQ(StaticDataMemberDeclaration, N->getStaticDataMemberDeclaration());
EXPECT_EQ(templateParams, N->getTemplateParams());