-//===- llvm/unittest/IR/Metadata.cpp - Metadata unit tests ----------------===//
+//===- unittests/IR/MetadataTest.cpp - Metadata unit tests ----------------===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#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/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/raw_ostream.h"
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); }
+ MDSubroutineType *getSubroutineType() {
+ return MDSubroutineType::getDistinct(Context, 0, getNode(nullptr));
+ }
+ MDSubprogram *getSubprogram() {
+ return MDSubprogram::getDistinct(Context, nullptr, "", "", nullptr, 0,
+ nullptr, false, false, 0, nullptr, 0, 0, 0,
+ 0);
+ }
+ MDScopeRef getSubprogramRef() { return getSubprogram()->getRef(); }
+ MDFile *getFile() {
+ return MDFile::getDistinct(Context, "file.c", "/path/to/dir");
+ }
+ MDTypeRef getBasicType(StringRef Name) {
+ return MDBasicType::get(Context, dwarf::DW_TAG_unspecified_type, Name)
+ ->getRef();
+ }
+ MDTypeRef getDerivedType() {
+ return MDDerivedType::getDistinct(Context, dwarf::DW_TAG_pointer_type, "",
+ nullptr, 0, nullptr,
+ getBasicType("basictype"), 1, 2, 0, 0)
+ ->getRef();
+ }
+ Constant *getConstant() {
+ return ConstantInt::get(Type::getInt32Ty(Context), Counter++);
+ }
+ ConstantAsMetadata *getConstantAsMetadata() {
+ return ConstantAsMetadata::get(getConstant());
+ }
+ MDTypeRef getCompositeType() {
+ return MDCompositeType::getDistinct(
+ Context, dwarf::DW_TAG_structure_type, "", nullptr, 0, nullptr,
+ nullptr, 32, 32, 0, 0, nullptr, 0, nullptr, nullptr, "")
+ ->getRef();
+ }
+ Function *getFunction(StringRef Name) {
+ return cast<Function>(M.getOrInsertFunction(
+ Name, FunctionType::get(Type::getVoidTy(Context), None, false)));
+ }
};
typedef MetadataTest MDStringTest;
std::string Str;
raw_string_ostream oss(Str);
s->print(oss);
- EXPECT_STREQ("metadata !\"testing 1 2 3\"", oss.str().c_str());
+ EXPECT_STREQ("!\"testing 1 2 3\"", oss.str().c_str());
}
// Test printing of MDString with non-printable characters.
std::string Str;
raw_string_ostream oss(Str);
s->print(oss);
- EXPECT_STREQ("metadata !\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str());
+ EXPECT_STREQ("!\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str());
}
typedef MetadataTest MDNodeTest;
}
TEST_F(MDNodeTest, SelfReference) {
- // !0 = metadata !{metadata !0}
- // !1 = metadata !{metadata !0}
+ // !0 = !{!0}
+ // !1 = !{!0}
{
- MDNode *Temp = MDNode::getTemporary(Context, None);
- Metadata *Args[] = {Temp};
+ auto Temp = MDNode::getTemporary(Context, None);
+ Metadata *Args[] = {Temp.get()};
MDNode *Self = MDNode::get(Context, Args);
Self->replaceOperandWith(0, Self);
- MDNode::deleteTemporary(Temp);
ASSERT_EQ(Self, Self->getOperand(0));
// Self-references should be distinct, so MDNode::get() should grab a
EXPECT_EQ(Ref1, Ref2);
}
- // !0 = metadata !{metadata !0, metadata !{}}
- // !1 = metadata !{metadata !0, metadata !{}}
+ // !0 = !{!0, !{}}
+ // !1 = !{!0, !{}}
{
- MDNode *Temp = MDNode::getTemporary(Context, None);
- Metadata *Args[] = {Temp, MDNode::get(Context, None)};
+ auto Temp = MDNode::getTemporary(Context, None);
+ Metadata *Args[] = {Temp.get(), MDNode::get(Context, None)};
MDNode *Self = MDNode::get(Context, Args);
Self->replaceOperandWith(0, Self);
- MDNode::deleteTemporary(Temp);
ASSERT_EQ(Self, Self->getOperand(0));
// Self-references should be distinct, so MDNode::get() should grab a
}
}
+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));
+}
+
+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));
+}
+#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, 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, replaceWithUniquedChangingOperand) {
+ // 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->isUniqued());
+ Metadata *NullOps[] = {nullptr};
+ 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 MDLocationTest;
+
+TEST_F(MDLocationTest, Overflow) {
+ MDSubprogram *N = getSubprogram();
+ {
+ MDLocation *L = MDLocation::get(Context, 2, 7, N);
+ EXPECT_EQ(2u, L->getLine());
+ EXPECT_EQ(7u, L->getColumn());
+ }
+ unsigned U16 = 1u << 16;
+ {
+ MDLocation *L = MDLocation::get(Context, UINT32_MAX, U16 - 1, N);
+ EXPECT_EQ(UINT32_MAX, L->getLine());
+ EXPECT_EQ(U16 - 1, L->getColumn());
+ }
+ {
+ MDLocation *L = MDLocation::get(Context, UINT32_MAX, U16, N);
+ EXPECT_EQ(UINT32_MAX, L->getLine());
+ EXPECT_EQ(0u, L->getColumn());
+ }
+ {
+ MDLocation *L = MDLocation::get(Context, UINT32_MAX, U16 + 1, N);
+ EXPECT_EQ(UINT32_MAX, L->getLine());
+ EXPECT_EQ(0u, L->getColumn());
+ }
+}
+
+TEST_F(MDLocationTest, getDistinct) {
+ MDNode *N = getSubprogram();
+ MDLocation *L0 = MDLocation::getDistinct(Context, 2, 7, N);
+ EXPECT_TRUE(L0->isDistinct());
+ MDLocation *L1 = MDLocation::get(Context, 2, 7, N);
+ EXPECT_FALSE(L1->isDistinct());
+ EXPECT_EQ(L1, MDLocation::get(Context, 2, 7, N));
+}
+
+TEST_F(MDLocationTest, getTemporary) {
+ MDNode *N = MDNode::get(Context, None);
+ auto L = MDLocation::getTemporary(Context, 2, 7, N);
+ EXPECT_TRUE(L->isTemporary());
+ EXPECT_FALSE(L->isResolved());
+}
+
+typedef MetadataTest GenericDebugNodeTest;
+
+TEST_F(GenericDebugNodeTest, get) {
+ StringRef Header = "header";
+ auto *Empty = MDNode::get(Context, None);
+ Metadata *Ops1[] = {Empty};
+ auto *N = GenericDebugNode::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, GenericDebugNode::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, GenericDebugNode::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, GenericDebugNode::get(Context, 15, Header, Ops1));
+
+ TempGenericDebugNode Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(GenericDebugNodeTest, getEmptyHeader) {
+ // Canonicalize !"" to null.
+ auto *N = GenericDebugNode::get(Context, 15, StringRef(), None);
+ EXPECT_EQ(StringRef(), N->getHeader());
+ EXPECT_EQ(nullptr, N->getOperand(0));
+}
+
+typedef MetadataTest MDSubrangeTest;
+
+TEST_F(MDSubrangeTest, get) {
+ auto *N = MDSubrange::get(Context, 5, 7);
+ EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag());
+ EXPECT_EQ(5, N->getCount());
+ EXPECT_EQ(7, N->getLowerBound());
+ EXPECT_EQ(N, MDSubrange::get(Context, 5, 7));
+ EXPECT_EQ(MDSubrange::get(Context, 5, 0), MDSubrange::get(Context, 5));
+
+ TempMDSubrange Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDSubrangeTest, getEmptyArray) {
+ auto *N = MDSubrange::get(Context, -1, 0);
+ EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag());
+ EXPECT_EQ(-1, N->getCount());
+ EXPECT_EQ(0, N->getLowerBound());
+ EXPECT_EQ(N, MDSubrange::get(Context, -1, 0));
+}
+
+typedef MetadataTest MDEnumeratorTest;
+
+TEST_F(MDEnumeratorTest, get) {
+ auto *N = MDEnumerator::get(Context, 7, "name");
+ EXPECT_EQ(dwarf::DW_TAG_enumerator, N->getTag());
+ EXPECT_EQ(7, N->getValue());
+ EXPECT_EQ("name", N->getName());
+ EXPECT_EQ(N, MDEnumerator::get(Context, 7, "name"));
+
+ EXPECT_NE(N, MDEnumerator::get(Context, 8, "name"));
+ EXPECT_NE(N, MDEnumerator::get(Context, 7, "nam"));
+
+ TempMDEnumerator Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDBasicTypeTest;
+
+TEST_F(MDBasicTypeTest, get) {
+ auto *N =
+ MDBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 26, 7);
+ 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(N, MDBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
+ 26, 7));
+
+ EXPECT_NE(N, MDBasicType::get(Context, dwarf::DW_TAG_unspecified_type,
+ "special", 33, 26, 7));
+ EXPECT_NE(N,
+ MDBasicType::get(Context, dwarf::DW_TAG_base_type, "s", 33, 26, 7));
+ EXPECT_NE(N, MDBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 32,
+ 26, 7));
+ EXPECT_NE(N, MDBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
+ 25, 7));
+ EXPECT_NE(N, MDBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
+ 26, 6));
+
+ TempMDBasicType Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDBasicTypeTest, getWithLargeValues) {
+ auto *N = MDBasicType::get(Context, dwarf::DW_TAG_base_type, "special",
+ UINT64_MAX, UINT64_MAX - 1, 7);
+ EXPECT_EQ(UINT64_MAX, N->getSizeInBits());
+ EXPECT_EQ(UINT64_MAX - 1, N->getAlignInBits());
+}
+
+TEST_F(MDBasicTypeTest, getUnspecified) {
+ auto *N =
+ MDBasicType::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());
+}
+
+typedef MetadataTest MDTypeTest;
+
+TEST_F(MDTypeTest, clone) {
+ // Check that MDType has a specialized clone that returns TempMDType.
+ MDType *N = MDBasicType::get(Context, dwarf::DW_TAG_base_type, "int", 32, 32,
+ dwarf::DW_ATE_signed);
+
+ TempMDType Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDTypeTest, setFlags) {
+ // void (void)
+ Metadata *TypesOps[] = {nullptr};
+ Metadata *Types = MDTuple::get(Context, TypesOps);
+
+ MDType *D = MDSubroutineType::getDistinct(Context, 0u, Types);
+ EXPECT_EQ(0u, D->getFlags());
+ D->setFlags(DebugNode::FlagRValueReference);
+ EXPECT_EQ(DebugNode::FlagRValueReference, D->getFlags());
+ D->setFlags(0u);
+ EXPECT_EQ(0u, D->getFlags());
+
+ TempMDType T = MDSubroutineType::getTemporary(Context, 0u, Types);
+ EXPECT_EQ(0u, T->getFlags());
+ T->setFlags(DebugNode::FlagRValueReference);
+ EXPECT_EQ(DebugNode::FlagRValueReference, T->getFlags());
+ T->setFlags(0u);
+ EXPECT_EQ(0u, T->getFlags());
+}
+
+typedef MetadataTest MDDerivedTypeTest;
+
+TEST_F(MDDerivedTypeTest, get) {
+ MDFile *File = getFile();
+ MDScopeRef Scope = getSubprogramRef();
+ MDTypeRef BaseType = getBasicType("basic");
+ MDTuple *ExtraData = getTuple();
+
+ auto *N = MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "something",
+ File, 1, Scope, BaseType, 2, 3, 4, 5, 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(5u, N->getFlags());
+ EXPECT_EQ(ExtraData, N->getExtraData());
+ EXPECT_EQ(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 1, Scope, BaseType, 2, 3,
+ 4, 5, ExtraData));
+
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_reference_type,
+ "something", File, 1, Scope, BaseType, 2, 3,
+ 4, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "else",
+ File, 1, Scope, BaseType, 2, 3, 4, 5,
+ ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", getFile(), 1, Scope, BaseType, 2,
+ 3, 4, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 2, Scope, BaseType, 2, 3,
+ 4, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 1, getSubprogramRef(),
+ BaseType, 2, 3, 4, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(
+ Context, dwarf::DW_TAG_pointer_type, "something", File, 1,
+ Scope, getBasicType("basic2"), 2, 3, 4, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 1, Scope, BaseType, 3, 3,
+ 4, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 1, Scope, BaseType, 2, 2,
+ 4, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 1, Scope, BaseType, 2, 3,
+ 5, 5, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 1, Scope, BaseType, 2, 3,
+ 4, 4, ExtraData));
+ EXPECT_NE(N, MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type,
+ "something", File, 1, Scope, BaseType, 2, 3,
+ 4, 5, getTuple()));
+
+ TempMDDerivedType Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDDerivedTypeTest, getWithLargeValues) {
+ MDFile *File = getFile();
+ MDScopeRef Scope = getSubprogramRef();
+ MDTypeRef BaseType = getBasicType("basic");
+ MDTuple *ExtraData = getTuple();
+
+ auto *N = MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "something",
+ File, 1, Scope, BaseType, UINT64_MAX,
+ UINT64_MAX - 1, UINT64_MAX - 2, 5, ExtraData);
+ EXPECT_EQ(UINT64_MAX, N->getSizeInBits());
+ EXPECT_EQ(UINT64_MAX - 1, N->getAlignInBits());
+ EXPECT_EQ(UINT64_MAX - 2, N->getOffsetInBits());
+}
+
+typedef MetadataTest MDCompositeTypeTest;
+
+TEST_F(MDCompositeTypeTest, get) {
+ unsigned Tag = dwarf::DW_TAG_structure_type;
+ StringRef Name = "some name";
+ MDFile *File = getFile();
+ unsigned Line = 1;
+ MDScopeRef Scope = getSubprogramRef();
+ MDTypeRef BaseType = getCompositeType();
+ uint64_t SizeInBits = 2;
+ uint64_t AlignInBits = 3;
+ uint64_t OffsetInBits = 4;
+ unsigned Flags = 5;
+ MDTuple *Elements = getTuple();
+ unsigned RuntimeLang = 6;
+ MDTypeRef VTableHolder = getCompositeType();
+ MDTuple *TemplateParams = getTuple();
+ StringRef Identifier = "some id";
+
+ auto *N = MDCompositeType::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, MDCompositeType::get(Context, Tag, Name, File, Line, Scope,
+ BaseType, SizeInBits, AlignInBits,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+
+ EXPECT_NE(N, MDCompositeType::get(Context, Tag + 1, Name, File, Line, Scope,
+ BaseType, SizeInBits, AlignInBits,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(Context, Tag, "abc", File, Line, Scope,
+ BaseType, SizeInBits, AlignInBits,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(Context, Tag, Name, getFile(), Line, Scope,
+ BaseType, SizeInBits, AlignInBits,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(Context, Tag, Name, File, Line + 1, Scope,
+ BaseType, SizeInBits, AlignInBits,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(
+ Context, Tag, Name, File, Line, getSubprogramRef(), BaseType,
+ SizeInBits, AlignInBits, OffsetInBits, Flags, Elements,
+ RuntimeLang, VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, getBasicType("other"),
+ SizeInBits, AlignInBits, OffsetInBits, Flags, Elements,
+ RuntimeLang, VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(Context, Tag, Name, File, Line, Scope,
+ BaseType, SizeInBits + 1, AlignInBits,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(Context, Tag, Name, File, Line, Scope,
+ BaseType, SizeInBits, AlignInBits + 1,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
+ AlignInBits, OffsetInBits + 1, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
+ AlignInBits, OffsetInBits, Flags + 1, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
+ AlignInBits, OffsetInBits, Flags, getTuple(), RuntimeLang,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
+ AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang + 1,
+ VTableHolder, TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
+ AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
+ getCompositeType(), TemplateParams, Identifier));
+ EXPECT_NE(N, MDCompositeType::get(Context, Tag, Name, File, Line, Scope,
+ BaseType, SizeInBits, AlignInBits,
+ OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, getTuple(), Identifier));
+ EXPECT_NE(N, MDCompositeType::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(MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
+ AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams, "")->getRawIdentifier());
+ EXPECT_FALSE(MDCompositeType::get(
+ Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
+ AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
+ VTableHolder, TemplateParams)->getRawIdentifier());
+
+ TempMDCompositeType Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDCompositeTypeTest, getWithLargeValues) {
+ unsigned Tag = dwarf::DW_TAG_structure_type;
+ StringRef Name = "some name";
+ MDFile *File = getFile();
+ unsigned Line = 1;
+ MDScopeRef Scope = getSubprogramRef();
+ MDTypeRef BaseType = getCompositeType();
+ uint64_t SizeInBits = UINT64_MAX;
+ uint64_t AlignInBits = UINT64_MAX - 1;
+ uint64_t OffsetInBits = UINT64_MAX - 2;
+ unsigned Flags = 5;
+ MDTuple *Elements = getTuple();
+ unsigned RuntimeLang = 6;
+ MDTypeRef VTableHolder = getCompositeType();
+ MDTuple *TemplateParams = getTuple();
+ StringRef Identifier = "some id";
+
+ auto *N = MDCompositeType::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(MDCompositeTypeTest, replaceOperands) {
+ unsigned Tag = dwarf::DW_TAG_structure_type;
+ StringRef Name = "some name";
+ MDFile *File = getFile();
+ unsigned Line = 1;
+ MDScopeRef Scope = getSubprogramRef();
+ MDTypeRef BaseType = getCompositeType();
+ uint64_t SizeInBits = 2;
+ uint64_t AlignInBits = 3;
+ uint64_t OffsetInBits = 4;
+ unsigned Flags = 5;
+ unsigned RuntimeLang = 6;
+ StringRef Identifier = "some id";
+
+ auto *N = MDCompositeType::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());
+
+ MDTypeRef VTableHolder = getCompositeType();
+ EXPECT_EQ(nullptr, N->getVTableHolder());
+ N->replaceVTableHolder(VTableHolder);
+ EXPECT_EQ(VTableHolder, 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());
+}
+
+typedef MetadataTest MDSubroutineTypeTest;
+
+TEST_F(MDSubroutineTypeTest, get) {
+ unsigned Flags = 1;
+ MDTuple *TypeArray = getTuple();
+
+ auto *N = MDSubroutineType::get(Context, Flags, TypeArray);
+ EXPECT_EQ(dwarf::DW_TAG_subroutine_type, N->getTag());
+ EXPECT_EQ(Flags, N->getFlags());
+ EXPECT_EQ(TypeArray, N->getTypeArray().get());
+ EXPECT_EQ(N, MDSubroutineType::get(Context, Flags, TypeArray));
+
+ EXPECT_NE(N, MDSubroutineType::get(Context, Flags + 1, TypeArray));
+ EXPECT_NE(N, MDSubroutineType::get(Context, Flags, getTuple()));
+
+ TempMDSubroutineType 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());
+ EXPECT_EQ(nullptr, N->getBaseType());
+ EXPECT_EQ(nullptr, N->getVTableHolder());
+ EXPECT_EQ(nullptr, N->getTemplateParams().get());
+ EXPECT_EQ("", N->getIdentifier());
+}
+
+typedef MetadataTest MDFileTest;
+
+TEST_F(MDFileTest, get) {
+ StringRef Filename = "file";
+ StringRef Directory = "dir";
+ auto *N = MDFile::get(Context, Filename, Directory);
+
+ EXPECT_EQ(dwarf::DW_TAG_file_type, N->getTag());
+ EXPECT_EQ(Filename, N->getFilename());
+ EXPECT_EQ(Directory, N->getDirectory());
+ EXPECT_EQ(N, MDFile::get(Context, Filename, Directory));
+
+ EXPECT_NE(N, MDFile::get(Context, "other", Directory));
+ EXPECT_NE(N, MDFile::get(Context, Filename, "other"));
+
+ TempMDFile Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDFileTest, ScopeGetFile) {
+ // Ensure that MDScope::getFile() returns itself.
+ MDScope *N = MDFile::get(Context, "file", "dir");
+ EXPECT_EQ(N, N->getFile());
+}
+
+typedef MetadataTest MDCompileUnitTest;
+
+TEST_F(MDCompileUnitTest, get) {
+ unsigned SourceLanguage = 1;
+ MDFile *File = getFile();
+ StringRef Producer = "some producer";
+ bool IsOptimized = false;
+ StringRef Flags = "flag after flag";
+ unsigned RuntimeVersion = 2;
+ StringRef SplitDebugFilename = "another/file";
+ unsigned EmissionKind = 3;
+ MDTuple *EnumTypes = getTuple();
+ MDTuple *RetainedTypes = getTuple();
+ MDTuple *Subprograms = getTuple();
+ MDTuple *GlobalVariables = getTuple();
+ MDTuple *ImportedEntities = getTuple();
+ auto *N = MDCompileUnit::get(
+ Context, SourceLanguage, File, Producer, IsOptimized, Flags,
+ RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables, ImportedEntities);
+
+ 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(Subprograms, N->getSubprograms().get());
+ EXPECT_EQ(GlobalVariables, N->getGlobalVariables().get());
+ EXPECT_EQ(ImportedEntities, N->getImportedEntities().get());
+ EXPECT_EQ(N, MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage + 1, File, Producer,
+ IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, getFile(), Producer,
+ IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, File, "other",
+ IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ !IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ IsOptimized, "other", RuntimeVersion,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ IsOptimized, Flags, RuntimeVersion + 1,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N,
+ MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ IsOptimized, Flags, RuntimeVersion, "other",
+ EmissionKind, EnumTypes, RetainedTypes,
+ Subprograms, GlobalVariables, ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind + 1,
+ EnumTypes, RetainedTypes, Subprograms,
+ GlobalVariables, ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind, getTuple(),
+ RetainedTypes, Subprograms, GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(
+ Context, SourceLanguage, File, Producer, IsOptimized, Flags,
+ RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
+ getTuple(), Subprograms, GlobalVariables, ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(Context, SourceLanguage, File, Producer,
+ IsOptimized, Flags, RuntimeVersion,
+ SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, getTuple(), GlobalVariables,
+ ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(
+ Context, SourceLanguage, File, Producer, IsOptimized, Flags,
+ RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, getTuple(), ImportedEntities));
+ EXPECT_NE(N, MDCompileUnit::get(
+ Context, SourceLanguage, File, Producer, IsOptimized, Flags,
+ RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, Subprograms, GlobalVariables, getTuple()));
+
+ TempMDCompileUnit Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDCompileUnitTest, replaceArrays) {
+ unsigned SourceLanguage = 1;
+ MDFile *File = getFile();
+ StringRef Producer = "some producer";
+ bool IsOptimized = false;
+ StringRef Flags = "flag after flag";
+ unsigned RuntimeVersion = 2;
+ StringRef SplitDebugFilename = "another/file";
+ unsigned EmissionKind = 3;
+ MDTuple *EnumTypes = MDTuple::getDistinct(Context, None);
+ MDTuple *RetainedTypes = MDTuple::getDistinct(Context, None);
+ MDTuple *ImportedEntities = MDTuple::getDistinct(Context, None);
+ auto *N = MDCompileUnit::get(
+ Context, SourceLanguage, File, Producer, IsOptimized, Flags,
+ RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
+ RetainedTypes, nullptr, nullptr, ImportedEntities);
+
+ auto *Subprograms = MDTuple::getDistinct(Context, None);
+ EXPECT_EQ(nullptr, N->getSubprograms().get());
+ N->replaceSubprograms(Subprograms);
+ EXPECT_EQ(Subprograms, N->getSubprograms().get());
+ N->replaceSubprograms(nullptr);
+ EXPECT_EQ(nullptr, N->getSubprograms().get());
+
+ 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());
+}
+
+typedef MetadataTest MDSubprogramTest;
+
+TEST_F(MDSubprogramTest, get) {
+ MDScopeRef Scope = getCompositeType();
+ StringRef Name = "name";
+ StringRef LinkageName = "linkage";
+ MDFile *File = getFile();
+ unsigned Line = 2;
+ MDSubroutineType *Type = getSubroutineType();
+ bool IsLocalToUnit = false;
+ bool IsDefinition = true;
+ unsigned ScopeLine = 3;
+ MDTypeRef ContainingType = getCompositeType();
+ unsigned Virtuality = 4;
+ unsigned VirtualIndex = 5;
+ unsigned Flags = 6;
+ bool IsOptimized = false;
+ llvm::Function *Function = getFunction("foo");
+ MDTuple *TemplateParams = getTuple();
+ MDSubprogram *Declaration = getSubprogram();
+ MDTuple *Variables = getTuple();
+
+ auto *N = MDSubprogram::get(
+ Context, Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
+ IsDefinition, ScopeLine, ContainingType, Virtuality, VirtualIndex, Flags,
+ IsOptimized, Function, TemplateParams, Declaration, Variables);
+
+ 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(Flags, N->getFlags());
+ EXPECT_EQ(IsOptimized, N->isOptimized());
+ EXPECT_EQ(Function, N->getFunction());
+ EXPECT_EQ(TemplateParams, N->getTemplateParams().get());
+ EXPECT_EQ(Declaration, N->getDeclaration());
+ EXPECT_EQ(Variables, N->getVariables().get());
+ EXPECT_EQ(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+
+ EXPECT_NE(N, MDSubprogram::get(Context, getCompositeType(), Name, LinkageName,
+ File, Line, Type, IsLocalToUnit, IsDefinition,
+ ScopeLine, ContainingType, Virtuality,
+ VirtualIndex, Flags, IsOptimized, Function,
+ TemplateParams, Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, "other", LinkageName, File,
+ Line, Type, IsLocalToUnit, IsDefinition,
+ ScopeLine, ContainingType, Virtuality,
+ VirtualIndex, Flags, IsOptimized, Function,
+ TemplateParams, Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, "other", File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, getFile(),
+ Line, Type, IsLocalToUnit, IsDefinition,
+ ScopeLine, ContainingType, Virtuality,
+ VirtualIndex, Flags, IsOptimized, Function,
+ TemplateParams, Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File,
+ Line + 1, Type, IsLocalToUnit, IsDefinition,
+ ScopeLine, ContainingType, Virtuality,
+ VirtualIndex, Flags, IsOptimized, Function,
+ TemplateParams, Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(
+ Context, Scope, Name, LinkageName, File, Line,
+ getSubroutineType(), IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex, Flags, IsOptimized,
+ Function, TemplateParams, Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, !IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, !IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition,
+ ScopeLine + 1, ContainingType, Virtuality,
+ VirtualIndex, Flags, IsOptimized, Function,
+ TemplateParams, Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ getCompositeType(), Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality + 1, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex + 1,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ ~Flags, IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, !IsOptimized, Function, TemplateParams,
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, getFunction("bar"),
+ TemplateParams, Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, getTuple(),
+ Declaration, Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ getSubprogram(), Variables));
+ EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, ScopeLine,
+ ContainingType, Virtuality, VirtualIndex,
+ Flags, IsOptimized, Function, TemplateParams,
+ Declaration, getTuple()));
+
+ TempMDSubprogram Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDSubprogramTest, replaceFunction) {
+ MDScopeRef Scope = getCompositeType();
+ StringRef Name = "name";
+ StringRef LinkageName = "linkage";
+ MDFile *File = getFile();
+ unsigned Line = 2;
+ MDSubroutineType *Type = getSubroutineType();
+ bool IsLocalToUnit = false;
+ bool IsDefinition = true;
+ unsigned ScopeLine = 3;
+ MDTypeRef ContainingType = getCompositeType();
+ unsigned Virtuality = 4;
+ unsigned VirtualIndex = 5;
+ unsigned Flags = 6;
+ bool IsOptimized = false;
+ MDTuple *TemplateParams = getTuple();
+ MDSubprogram *Declaration = getSubprogram();
+ MDTuple *Variables = getTuple();
+
+ auto *N = MDSubprogram::get(
+ Context, Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
+ IsDefinition, ScopeLine, ContainingType, Virtuality, VirtualIndex, Flags,
+ IsOptimized, nullptr, TemplateParams, Declaration, Variables);
+
+ EXPECT_EQ(nullptr, N->getFunction());
+
+ std::unique_ptr<Function> F(
+ Function::Create(FunctionType::get(Type::getVoidTy(Context), false),
+ GlobalValue::ExternalLinkage));
+ N->replaceFunction(F.get());
+ EXPECT_EQ(F.get(), N->getFunction());
+
+ N->replaceFunction(nullptr);
+ EXPECT_EQ(nullptr, N->getFunction());
+}
+
+typedef MetadataTest MDLexicalBlockTest;
+
+TEST_F(MDLexicalBlockTest, get) {
+ MDLocalScope *Scope = getSubprogram();
+ MDFile *File = getFile();
+ unsigned Line = 5;
+ unsigned Column = 8;
+
+ auto *N = MDLexicalBlock::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, MDLexicalBlock::get(Context, Scope, File, Line, Column));
+
+ EXPECT_NE(N,
+ MDLexicalBlock::get(Context, getSubprogram(), File, Line, Column));
+ EXPECT_NE(N, MDLexicalBlock::get(Context, Scope, getFile(), Line, Column));
+ EXPECT_NE(N, MDLexicalBlock::get(Context, Scope, File, Line + 1, Column));
+ EXPECT_NE(N, MDLexicalBlock::get(Context, Scope, File, Line, Column + 1));
+
+ TempMDLexicalBlock Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDLexicalBlockFileTest;
+
+TEST_F(MDLexicalBlockFileTest, get) {
+ MDLocalScope *Scope = getSubprogram();
+ MDFile *File = getFile();
+ unsigned Discriminator = 5;
+
+ auto *N = MDLexicalBlockFile::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, MDLexicalBlockFile::get(Context, Scope, File, Discriminator));
+
+ EXPECT_NE(N, MDLexicalBlockFile::get(Context, getSubprogram(), File,
+ Discriminator));
+ EXPECT_NE(N,
+ MDLexicalBlockFile::get(Context, Scope, getFile(), Discriminator));
+ EXPECT_NE(N,
+ MDLexicalBlockFile::get(Context, Scope, File, Discriminator + 1));
+
+ TempMDLexicalBlockFile Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDNamespaceTest;
+
+TEST_F(MDNamespaceTest, get) {
+ MDScope *Scope = getFile();
+ MDFile *File = getFile();
+ StringRef Name = "namespace";
+ unsigned Line = 5;
+
+ auto *N = MDNamespace::get(Context, Scope, File, Name, Line);
+
+ EXPECT_EQ(dwarf::DW_TAG_namespace, N->getTag());
+ EXPECT_EQ(Scope, N->getScope());
+ EXPECT_EQ(File, N->getFile());
+ EXPECT_EQ(Name, N->getName());
+ EXPECT_EQ(Line, N->getLine());
+ EXPECT_EQ(N, MDNamespace::get(Context, Scope, File, Name, Line));
+
+ EXPECT_NE(N, MDNamespace::get(Context, getFile(), File, Name, Line));
+ EXPECT_NE(N, MDNamespace::get(Context, Scope, getFile(), Name, Line));
+ EXPECT_NE(N, MDNamespace::get(Context, Scope, File, "other", Line));
+ EXPECT_NE(N, MDNamespace::get(Context, Scope, File, Name, Line + 1));
+
+ TempMDNamespace Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDTemplateTypeParameterTest;
+
+TEST_F(MDTemplateTypeParameterTest, get) {
+ StringRef Name = "template";
+ MDTypeRef Type = getBasicType("basic");
+
+ auto *N = MDTemplateTypeParameter::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, MDTemplateTypeParameter::get(Context, Name, Type));
+
+ EXPECT_NE(N, MDTemplateTypeParameter::get(Context, "other", Type));
+ EXPECT_NE(N,
+ MDTemplateTypeParameter::get(Context, Name, getBasicType("other")));
+
+ TempMDTemplateTypeParameter Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDTemplateValueParameterTest;
+
+TEST_F(MDTemplateValueParameterTest, get) {
+ unsigned Tag = dwarf::DW_TAG_template_value_parameter;
+ StringRef Name = "template";
+ MDTypeRef Type = getBasicType("basic");
+ Metadata *Value = getConstantAsMetadata();
+
+ auto *N = MDTemplateValueParameter::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, MDTemplateValueParameter::get(Context, Tag, Name, Type, Value));
+
+ EXPECT_NE(N, MDTemplateValueParameter::get(
+ Context, dwarf::DW_TAG_GNU_template_template_param, Name,
+ Type, Value));
+ EXPECT_NE(N, MDTemplateValueParameter::get(Context, Tag, "other", Type,
+ Value));
+ EXPECT_NE(N, MDTemplateValueParameter::get(Context, Tag, Name,
+ getBasicType("other"), Value));
+ EXPECT_NE(N, MDTemplateValueParameter::get(Context, Tag, Name, Type,
+ getConstantAsMetadata()));
+
+ TempMDTemplateValueParameter Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDGlobalVariableTest;
+
+TEST_F(MDGlobalVariableTest, get) {
+ MDScope *Scope = getSubprogram();
+ StringRef Name = "name";
+ StringRef LinkageName = "linkage";
+ MDFile *File = getFile();
+ unsigned Line = 5;
+ MDTypeRef Type = getDerivedType();
+ bool IsLocalToUnit = false;
+ bool IsDefinition = true;
+ Constant *Variable = getConstant();
+ MDDerivedType *StaticDataMemberDeclaration =
+ cast<MDDerivedType>(getDerivedType());
+
+ auto *N = MDGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, Variable,
+ StaticDataMemberDeclaration);
+ 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(Variable, N->getVariable());
+ EXPECT_EQ(StaticDataMemberDeclaration, N->getStaticDataMemberDeclaration());
+ EXPECT_EQ(N, MDGlobalVariable::get(Context, Scope, Name, LinkageName, File,
+ Line, Type, IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+
+ EXPECT_NE(N,
+ MDGlobalVariable::get(Context, getSubprogram(), Name, LinkageName,
+ File, Line, Type, IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N, MDGlobalVariable::get(Context, Scope, "other", LinkageName, File,
+ Line, Type, IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N, MDGlobalVariable::get(Context, Scope, Name, "other", File, Line,
+ Type, IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N,
+ MDGlobalVariable::get(Context, Scope, Name, LinkageName, getFile(),
+ Line, Type, IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N,
+ MDGlobalVariable::get(Context, Scope, Name, LinkageName, File,
+ Line + 1, Type, IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N,
+ MDGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line,
+ getDerivedType(), IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N, MDGlobalVariable::get(Context, Scope, Name, LinkageName, File,
+ Line, Type, !IsLocalToUnit, IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N, MDGlobalVariable::get(Context, Scope, Name, LinkageName, File,
+ Line, Type, IsLocalToUnit, !IsDefinition,
+ Variable, StaticDataMemberDeclaration));
+ EXPECT_NE(N,
+ MDGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition,
+ getConstant(), StaticDataMemberDeclaration));
+ EXPECT_NE(N,
+ MDGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line,
+ Type, IsLocalToUnit, IsDefinition, Variable,
+ cast<MDDerivedType>(getDerivedType())));
+
+ TempMDGlobalVariable Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDLocalVariableTest;
+
+TEST_F(MDLocalVariableTest, get) {
+ unsigned Tag = dwarf::DW_TAG_arg_variable;
+ MDLocalScope *Scope = getSubprogram();
+ StringRef Name = "name";
+ MDFile *File = getFile();
+ unsigned Line = 5;
+ MDTypeRef Type = getDerivedType();
+ unsigned Arg = 6;
+ unsigned Flags = 7;
+
+ auto *N = MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
+ Arg, Flags);
+ EXPECT_EQ(Tag, N->getTag());
+ EXPECT_EQ(Scope, N->getScope());
+ EXPECT_EQ(Name, N->getName());
+ EXPECT_EQ(File, N->getFile());
+ EXPECT_EQ(Line, N->getLine());
+ EXPECT_EQ(Type, N->getType());
+ EXPECT_EQ(Arg, N->getArg());
+ EXPECT_EQ(Flags, N->getFlags());
+ EXPECT_EQ(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
+ Arg, Flags));
+
+ EXPECT_NE(N, MDLocalVariable::get(Context, dwarf::DW_TAG_auto_variable, Scope,
+ Name, File, Line, Type, Arg, Flags));
+ EXPECT_NE(N, MDLocalVariable::get(Context, Tag, getSubprogram(), Name, File,
+ Line, Type, Arg, Flags));
+ EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, "other", File, Line,
+ Type, Arg, Flags));
+ EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, getFile(), Line,
+ Type, Arg, Flags));
+ EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line + 1,
+ Type, Arg, Flags));
+ EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line,
+ getDerivedType(), Arg, Flags));
+ EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
+ Arg + 1, Flags));
+ EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
+ Arg, ~Flags));
+
+ TempMDLocalVariable Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDExpressionTest;
+
+TEST_F(MDExpressionTest, get) {
+ uint64_t Elements[] = {2, 6, 9, 78, 0};
+ auto *N = MDExpression::get(Context, Elements);
+ EXPECT_EQ(makeArrayRef(Elements), N->getElements());
+ EXPECT_EQ(N, MDExpression::get(Context, Elements));
+
+ EXPECT_EQ(5u, N->getNumElements());
+ EXPECT_EQ(2u, N->getElement(0));
+ EXPECT_EQ(6u, N->getElement(1));
+ EXPECT_EQ(9u, N->getElement(2));
+ EXPECT_EQ(78u, N->getElement(3));
+ EXPECT_EQ(0u, N->getElement(4));
+
+ TempMDExpression Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+TEST_F(MDExpressionTest, isValid) {
+#define EXPECT_VALID(...) \
+ do { \
+ uint64_t Elements[] = {__VA_ARGS__}; \
+ EXPECT_TRUE(MDExpression::get(Context, Elements)->isValid()); \
+ } while (false)
+#define EXPECT_INVALID(...) \
+ do { \
+ uint64_t Elements[] = {__VA_ARGS__}; \
+ EXPECT_FALSE(MDExpression::get(Context, Elements)->isValid()); \
+ } while (false)
+
+ // Empty expression should be valid.
+ EXPECT_TRUE(MDExpression::get(Context, None));
+
+ // Valid constructions.
+ EXPECT_VALID(dwarf::DW_OP_plus, 6);
+ EXPECT_VALID(dwarf::DW_OP_deref);
+ EXPECT_VALID(dwarf::DW_OP_bit_piece, 3, 7);
+ EXPECT_VALID(dwarf::DW_OP_plus, 6, dwarf::DW_OP_deref);
+ EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus, 6);
+ EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_bit_piece, 3, 7);
+ EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus, 6, dwarf::DW_OP_bit_piece, 3, 7);
+
+ // Invalid constructions.
+ EXPECT_INVALID(~0u);
+ EXPECT_INVALID(dwarf::DW_OP_plus);
+ EXPECT_INVALID(dwarf::DW_OP_bit_piece);
+ EXPECT_INVALID(dwarf::DW_OP_bit_piece, 3);
+ EXPECT_INVALID(dwarf::DW_OP_bit_piece, 3, 7, dwarf::DW_OP_plus, 3);
+ EXPECT_INVALID(dwarf::DW_OP_bit_piece, 3, 7, dwarf::DW_OP_deref);
+
+#undef EXPECT_VALID
+#undef EXPECT_INVALID
+}
+
+typedef MetadataTest MDObjCPropertyTest;
+
+TEST_F(MDObjCPropertyTest, get) {
+ StringRef Name = "name";
+ MDFile *File = getFile();
+ unsigned Line = 5;
+ StringRef GetterName = "getter";
+ StringRef SetterName = "setter";
+ unsigned Attributes = 7;
+ MDType *Type = cast<MDBasicType>(getBasicType("basic"));
+
+ auto *N = MDObjCProperty::get(Context, Name, File, Line, GetterName,
+ SetterName, Attributes, Type);
+
+ EXPECT_EQ(dwarf::DW_TAG_APPLE_property, N->getTag());
+ EXPECT_EQ(Name, N->getName());
+ EXPECT_EQ(File, N->getFile());
+ EXPECT_EQ(Line, N->getLine());
+ EXPECT_EQ(GetterName, N->getGetterName());
+ EXPECT_EQ(SetterName, N->getSetterName());
+ EXPECT_EQ(Attributes, N->getAttributes());
+ EXPECT_EQ(Type, N->getType());
+ EXPECT_EQ(N, MDObjCProperty::get(Context, Name, File, Line, GetterName,
+ SetterName, Attributes, Type));
+
+ EXPECT_NE(N, MDObjCProperty::get(Context, "other", File, Line, GetterName,
+ SetterName, Attributes, Type));
+ EXPECT_NE(N, MDObjCProperty::get(Context, Name, getFile(), Line, GetterName,
+ SetterName, Attributes, Type));
+ EXPECT_NE(N, MDObjCProperty::get(Context, Name, File, Line + 1, GetterName,
+ SetterName, Attributes, Type));
+ EXPECT_NE(N, MDObjCProperty::get(Context, Name, File, Line, "other",
+ SetterName, Attributes, Type));
+ EXPECT_NE(N, MDObjCProperty::get(Context, Name, File, Line, GetterName,
+ "other", Attributes, Type));
+ EXPECT_NE(N, MDObjCProperty::get(Context, Name, File, Line, GetterName,
+ SetterName, Attributes + 1, Type));
+ EXPECT_NE(N, MDObjCProperty::get(Context, Name, File, Line, GetterName,
+ SetterName, Attributes,
+ cast<MDBasicType>(getBasicType("other"))));
+
+ TempMDObjCProperty Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
+typedef MetadataTest MDImportedEntityTest;
+
+TEST_F(MDImportedEntityTest, get) {
+ unsigned Tag = dwarf::DW_TAG_imported_module;
+ MDScope *Scope = getSubprogram();
+ DebugNodeRef Entity = getCompositeType();
+ unsigned Line = 5;
+ StringRef Name = "name";
+
+ auto *N = MDImportedEntity::get(Context, Tag, Scope, Entity, Line, Name);
+
+ EXPECT_EQ(Tag, N->getTag());
+ EXPECT_EQ(Scope, N->getScope());
+ EXPECT_EQ(Entity, N->getEntity());
+ EXPECT_EQ(Line, N->getLine());
+ EXPECT_EQ(Name, N->getName());
+ EXPECT_EQ(N, MDImportedEntity::get(Context, Tag, Scope, Entity, Line, Name));
+
+ EXPECT_NE(N,
+ MDImportedEntity::get(Context, dwarf::DW_TAG_imported_declaration,
+ Scope, Entity, Line, Name));
+ EXPECT_NE(N, MDImportedEntity::get(Context, Tag, getSubprogram(), Entity,
+ Line, Name));
+ EXPECT_NE(N, MDImportedEntity::get(Context, Tag, Scope, getCompositeType(),
+ Line, Name));
+ EXPECT_NE(N,
+ MDImportedEntity::get(Context, Tag, Scope, Entity, Line + 1, Name));
+ EXPECT_NE(N,
+ MDImportedEntity::get(Context, Tag, Scope, Entity, Line, "other"));
+
+ TempMDImportedEntity Temp = N->clone();
+ EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
+}
+
typedef MetadataTest MetadataAsValueTest;
TEST_F(MetadataAsValueTest, MDNode) {
EXPECT_TRUE(MD->getValue() == GV1.get());
}
+TEST_F(ValueAsMetadataTest, CollidingDoubleUpdates) {
+ // Create a constant.
+ ConstantAsMetadata *CI = ConstantAsMetadata::get(
+ ConstantInt::get(getGlobalContext(), APInt(8, 0)));
+
+ // Create a temporary to prevent nodes from resolving.
+ auto Temp = MDTuple::getTemporary(Context, None);
+
+ // When the first operand of N1 gets reset to nullptr, it'll collide with N2.
+ Metadata *Ops1[] = {CI, CI, Temp.get()};
+ Metadata *Ops2[] = {nullptr, CI, Temp.get()};
+
+ auto *N1 = MDTuple::get(Context, Ops1);
+ auto *N2 = MDTuple::get(Context, Ops2);
+ ASSERT_NE(N1, N2);
+
+ // Tell metadata that the constant is getting deleted.
+ //
+ // After this, N1 will be invalid, so don't touch it.
+ ValueAsMetadata::handleDeletion(CI->getValue());
+ EXPECT_EQ(nullptr, N2->getOperand(0));
+ EXPECT_EQ(nullptr, N2->getOperand(1));
+ EXPECT_EQ(Temp.get(), N2->getOperand(2));
+
+ // Clean up Temp for teardown.
+ Temp->replaceAllUsesWith(nullptr);
+}
+
typedef MetadataTest TrackingMDRefTest;
TEST_F(TrackingMDRefTest, UpdatesOnRAUW) {
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