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llvm-6502/unittests/IR/MetadataTest.cpp
Duncan P. N. Exon Smith 7473485c0f IR: Add MDExpression::ExprOperand 
Port `DIExpression::Operand` over to `MDExpression::ExprOperand`.  The
logic is needed directly in `MDExpression` to support printing in
assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229002 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-13 01:07:46 +00:00

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//===- unittests/IR/MetadataTest.cpp - Metadata unit tests ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLExtras.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DebugInfoMetadata.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"
#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 {
protected:
LLVMContext Context;
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);
}
};
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 = new char[13];
strncpy(str, "testing 1 2 3", 13);
MDString *s = MDString::get(Context, StringRef(str, 13));
strncpy(str, "aaaaaaaaaaaaa", 13);
delete[] str;
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(getGlobalContext(), 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(getGlobalContext()), 1);
Instruction *I = new BitCastInst(C, Type::getInt32Ty(getGlobalContext()));
Metadata *const V = LocalAsMetadata::get(I);
MDNode *n = MDNode::get(Context, V);
TrackingMDRef wvh(n);
EXPECT_EQ(n, wvh);
delete I;
}
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 << "!{";
C->printAsOperand(OS);
OS << ", ";
S->printAsOperand(OS);
OS << ", null";
MDNode *Nodes[] = {N0, N1, N2};
for (auto *Node : Nodes)
OS << ", <" << (void *)Node << ">";
OS << "}\n";
}
std::string Actual;
{
raw_string_ostream OS(Actual);
N->print(OS);
}
EXPECT_EQ(Expected, Actual);
}
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, 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) {
MDNode *N = MDNode::get(Context, None);
{
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 = MDNode::get(Context, None);
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));
}
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->getLo());
EXPECT_EQ(N, MDSubrange::get(Context, 5, 7));
EXPECT_EQ(MDSubrange::get(Context, 5, 0), MDSubrange::get(Context, 5));
}
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"));
}
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));
}
typedef MetadataTest MDDerivedTypeTest;
TEST_F(MDDerivedTypeTest, get) {
Metadata *File = MDTuple::getDistinct(Context, None);
Metadata *Scope = MDTuple::getDistinct(Context, None);
Metadata *BaseType = MDTuple::getDistinct(Context, None);
Metadata *ExtraData = MDTuple::getDistinct(Context, None);
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", Scope, 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, File, BaseType, 2, 3, 4, 5, ExtraData));
EXPECT_NE(N,
MDDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "something",
File, 1, Scope, File, 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, File));
}
typedef MetadataTest MDCompositeTypeTest;
TEST_F(MDCompositeTypeTest, get) {
unsigned Tag = dwarf::DW_TAG_structure_type;
StringRef Name = "some name";
Metadata *File = MDTuple::getDistinct(Context, None);
unsigned Line = 1;
Metadata *Scope = MDTuple::getDistinct(Context, None);
Metadata *BaseType = MDTuple::getDistinct(Context, None);
unsigned SizeInBits = 2;
unsigned AlignInBits = 3;
unsigned OffsetInBits = 4;
unsigned Flags = 5;
Metadata *Elements = MDTuple::getDistinct(Context, None);
unsigned RuntimeLang = 6;
Metadata *VTableHolder = MDTuple::getDistinct(Context, None);
Metadata *TemplateParams = MDTuple::getDistinct(Context, None);
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());
EXPECT_EQ(RuntimeLang, N->getRuntimeLang());
EXPECT_EQ(VTableHolder, N->getVTableHolder());
EXPECT_EQ(TemplateParams, N->getTemplateParams());
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, Scope, 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, File,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, TemplateParams, Identifier));
EXPECT_NE(N, MDCompositeType::get(Context, Tag, Name, File, Line, Scope, File,
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, File, 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,
File, TemplateParams, Identifier));
EXPECT_NE(N, MDCompositeType::get(Context, Tag, Name, File, Line, Scope,
BaseType, SizeInBits, AlignInBits,
OffsetInBits, Flags, Elements, RuntimeLang,
VTableHolder, File, 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());
}
typedef MetadataTest MDSubroutineTypeTest;
TEST_F(MDSubroutineTypeTest, get) {
unsigned Flags = 1;
Metadata *TypeArray = MDTuple::getDistinct(Context, None);
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());
EXPECT_EQ(N, MDSubroutineType::get(Context, Flags, TypeArray));
EXPECT_NE(N, MDSubroutineType::get(Context, Flags + 1, TypeArray));
EXPECT_NE(N, MDSubroutineType::get(Context, Flags,
MDTuple::getDistinct(Context, None)));
}
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"));
}
typedef MetadataTest MDCompileUnitTest;
TEST_F(MDCompileUnitTest, get) {
unsigned SourceLanguage = 1;
Metadata *File = MDTuple::getDistinct(Context, None);
StringRef Producer = "some producer";
bool IsOptimized = false;
StringRef Flags = "flag after flag";
unsigned RuntimeVersion = 2;
StringRef SplitDebugFilename = "another/file";
unsigned EmissionKind = 3;
Metadata *EnumTypes = MDTuple::getDistinct(Context, None);
Metadata *RetainedTypes = MDTuple::getDistinct(Context, None);
Metadata *Subprograms = MDTuple::getDistinct(Context, None);
Metadata *GlobalVariables = MDTuple::getDistinct(Context, None);
Metadata *ImportedEntities = MDTuple::getDistinct(Context, None);
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());
EXPECT_EQ(RetainedTypes, N->getRetainedTypes());
EXPECT_EQ(Subprograms, N->getSubprograms());
EXPECT_EQ(GlobalVariables, N->getGlobalVariables());
EXPECT_EQ(ImportedEntities, N->getImportedEntities());
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, EnumTypes, 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, File,
RetainedTypes, Subprograms, GlobalVariables,
ImportedEntities));
EXPECT_NE(N, MDCompileUnit::get(
Context, SourceLanguage, File, Producer, IsOptimized, Flags,
RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
File, Subprograms, GlobalVariables, ImportedEntities));
EXPECT_NE(N, MDCompileUnit::get(
Context, SourceLanguage, File, Producer, IsOptimized, Flags,
RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
RetainedTypes, File, GlobalVariables, ImportedEntities));
EXPECT_NE(N, MDCompileUnit::get(
Context, SourceLanguage, File, Producer, IsOptimized, Flags,
RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
RetainedTypes, Subprograms, File, ImportedEntities));
EXPECT_NE(N, MDCompileUnit::get(
Context, SourceLanguage, File, Producer, IsOptimized, Flags,
RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes,
RetainedTypes, Subprograms, GlobalVariables, File));
}
typedef MetadataTest MDSubprogramTest;
TEST_F(MDSubprogramTest, get) {
Metadata *Scope = MDTuple::getDistinct(Context, None);
StringRef Name = "name";
StringRef LinkageName = "linkage";
Metadata *File = MDTuple::getDistinct(Context, None);
unsigned Line = 2;
Metadata *Type = MDTuple::getDistinct(Context, None);
bool IsLocalToUnit = false;
bool IsDefinition = true;
unsigned ScopeLine = 3;
Metadata *ContainingType = MDTuple::getDistinct(Context, None);
unsigned Virtuality = 4;
unsigned VirtualIndex = 5;
unsigned Flags = 6;
bool IsOptimized = false;
Metadata *Function = MDTuple::getDistinct(Context, None);
Metadata *TemplateParams = MDTuple::getDistinct(Context, None);
Metadata *Declaration = MDTuple::getDistinct(Context, None);
Metadata *Variables = MDTuple::getDistinct(Context, None);
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());
EXPECT_EQ(Declaration, N->getDeclaration());
EXPECT_EQ(Variables, N->getVariables());
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, File, 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, Scope, 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,
Scope, 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,
Type, 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, Type, TemplateParams,
Declaration, Variables));
EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, IsLocalToUnit, IsDefinition, ScopeLine,
ContainingType, Virtuality, VirtualIndex,
Flags, IsOptimized, Function, Type,
Declaration, Variables));
EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, IsLocalToUnit, IsDefinition, ScopeLine,
ContainingType, Virtuality, VirtualIndex,
Flags, IsOptimized, Function, TemplateParams,
Type, Variables));
EXPECT_NE(N, MDSubprogram::get(Context, Scope, Name, LinkageName, File, Line,
Type, IsLocalToUnit, IsDefinition, ScopeLine,
ContainingType, Virtuality, VirtualIndex,
Flags, IsOptimized, Function, TemplateParams,
Declaration, Type));
}
typedef MetadataTest MDLexicalBlockTest;
TEST_F(MDLexicalBlockTest, get) {
Metadata *Scope = MDTuple::getDistinct(Context, None);
Metadata *File = MDTuple::getDistinct(Context, None);
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, File, File, Line, Column));
EXPECT_NE(N, MDLexicalBlock::get(Context, Scope, Scope, Line, Column));
EXPECT_NE(N, MDLexicalBlock::get(Context, Scope, File, Line + 1, Column));
EXPECT_NE(N, MDLexicalBlock::get(Context, Scope, File, Line, Column + 1));
}
typedef MetadataTest MDLexicalBlockFileTest;
TEST_F(MDLexicalBlockFileTest, get) {
Metadata *Scope = MDTuple::getDistinct(Context, None);
Metadata *File = MDTuple::getDistinct(Context, None);
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, File, File, Discriminator));
EXPECT_NE(N, MDLexicalBlockFile::get(Context, Scope, Scope, Discriminator));
EXPECT_NE(N,
MDLexicalBlockFile::get(Context, Scope, File, Discriminator + 1));
}
typedef MetadataTest MDNamespaceTest;
TEST_F(MDNamespaceTest, get) {
Metadata *Scope = MDTuple::getDistinct(Context, None);
Metadata *File = MDTuple::getDistinct(Context, None);
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, File, File, Name, Line));
EXPECT_NE(N, MDNamespace::get(Context, Scope, Scope, Name, Line));
EXPECT_NE(N, MDNamespace::get(Context, Scope, File, "other", Line));
EXPECT_NE(N, MDNamespace::get(Context, Scope, File, Name, Line + 1));
}
typedef MetadataTest MDTemplateTypeParameterTest;
TEST_F(MDTemplateTypeParameterTest, get) {
Metadata *Scope = MDTuple::getDistinct(Context, None);
StringRef Name = "template";
Metadata *Type = MDTuple::getDistinct(Context, None);
auto *N = MDTemplateTypeParameter::get(Context, Scope, Name, Type);
EXPECT_EQ(dwarf::DW_TAG_template_type_parameter, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(Type, N->getType());
EXPECT_EQ(N, MDTemplateTypeParameter::get(Context, Scope, Name, Type));
EXPECT_NE(N, MDTemplateTypeParameter::get(Context, Type, Name, Type));
EXPECT_NE(N, MDTemplateTypeParameter::get(Context, Scope, "other", Type));
EXPECT_NE(N, MDTemplateTypeParameter::get(Context, Scope, Name, Scope));
}
typedef MetadataTest MDTemplateValueParameterTest;
TEST_F(MDTemplateValueParameterTest, get) {
unsigned Tag = dwarf::DW_TAG_template_value_parameter;
Metadata *Scope = MDTuple::getDistinct(Context, None);
StringRef Name = "template";
Metadata *Type = MDTuple::getDistinct(Context, None);
Metadata *Value = MDTuple::getDistinct(Context, None);
auto *N =
MDTemplateValueParameter::get(Context, Tag, Scope, Name, Type, Value);
EXPECT_EQ(Tag, N->getTag());
EXPECT_EQ(Scope, N->getScope());
EXPECT_EQ(Name, N->getName());
EXPECT_EQ(Type, N->getType());
EXPECT_EQ(Value, N->getValue());
EXPECT_EQ(
N, MDTemplateValueParameter::get(Context, Tag, Scope, Name, Type, Value));
EXPECT_NE(N, MDTemplateValueParameter::get(
Context, dwarf::DW_TAG_GNU_template_template_param, Scope,
Name, Type, Value));
EXPECT_NE(
N, MDTemplateValueParameter::get(Context, Tag, Type, Name, Type, Value));
EXPECT_NE(N, MDTemplateValueParameter::get(Context, Tag, Scope, "other", Type,
Value));
EXPECT_NE(N, MDTemplateValueParameter::get(Context, Tag, Scope, Name, Scope,
Value));
EXPECT_NE(
N, MDTemplateValueParameter::get(Context, Tag, Scope, Name, Type, Scope));
}
typedef MetadataTest MDGlobalVariableTest;
TEST_F(MDGlobalVariableTest, get) {
Metadata *Scope = MDTuple::getDistinct(Context, None);
StringRef Name = "name";
StringRef LinkageName = "linkage";
Metadata *File = MDTuple::getDistinct(Context, None);
unsigned Line = 5;
Metadata *Type = MDTuple::getDistinct(Context, None);
bool IsLocalToUnit = false;
bool IsDefinition = true;
Metadata *Variable = MDTuple::getDistinct(Context, None);
Metadata *StaticDataMemberDeclaration = MDTuple::getDistinct(Context, None);
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, File, 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, Scope,
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, Scope, 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,
Type, StaticDataMemberDeclaration));
EXPECT_NE(N, MDGlobalVariable::get(Context, Scope, Name, LinkageName, File,
Line, Type, IsLocalToUnit, IsDefinition,
Variable, Type));
}
typedef MetadataTest MDLocalVariableTest;
TEST_F(MDLocalVariableTest, get) {
unsigned Tag = dwarf::DW_TAG_arg_variable;
Metadata *Scope = MDTuple::getDistinct(Context, None);
StringRef Name = "name";
Metadata *File = MDTuple::getDistinct(Context, None);
unsigned Line = 5;
Metadata *Type = MDTuple::getDistinct(Context, None);
unsigned Arg = 6;
unsigned Flags = 7;
Metadata *InlinedAt = MDTuple::getDistinct(Context, None);
auto *N = MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
Arg, Flags, InlinedAt);
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(InlinedAt, N->getInlinedAt());
EXPECT_EQ(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
Arg, Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, dwarf::DW_TAG_auto_variable, Scope,
Name, File, Line, Type, Arg, Flags,
InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, File, Name, File, Line,
Type, Arg, Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, "other", File, Line,
Type, Arg, Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, Scope, Line,
Type, Arg, Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line + 1,
Type, Arg, Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line,
Scope, Arg, Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
Arg + 1, Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
Arg, ~Flags, InlinedAt));
EXPECT_NE(N, MDLocalVariable::get(Context, Tag, Scope, Name, File, Line, Type,
Arg, Flags, Scope));
}
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));
}
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";
Metadata *File = MDTuple::getDistinct(Context, None);
unsigned Line = 5;
StringRef GetterName = "getter";
StringRef SetterName = "setter";
unsigned Attributes = 7;
Metadata *Type = MDTuple::getDistinct(Context, None);
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, Type, 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, File));
}
typedef MetadataTest MDImportedEntityTest;
TEST_F(MDImportedEntityTest, get) {
unsigned Tag = dwarf::DW_TAG_imported_module;
Metadata *Scope = MDTuple::getDistinct(Context, None);
Metadata *Entity = MDTuple::getDistinct(Context, None);
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, Entity, Entity, Line, Name));
EXPECT_NE(N, MDImportedEntity::get(Context, Tag, Scope, Scope, 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"));
}
typedef MetadataTest MetadataAsValueTest;
TEST_F(MetadataAsValueTest, MDNode) {
MDNode *N = MDNode::get(Context, None);
auto *V = MetadataAsValue::get(Context, N);
EXPECT_TRUE(V->getType()->isMetadataTy());
EXPECT_EQ(N, V->getMetadata());
auto *V2 = MetadataAsValue::get(Context, N);
EXPECT_EQ(V, V2);
}
TEST_F(MetadataAsValueTest, MDNodeMDNode) {
MDNode *N = MDNode::get(Context, None);
Metadata *Ops[] = {N};
MDNode *N2 = MDNode::get(Context, Ops);
auto *V = MetadataAsValue::get(Context, N2);
EXPECT_TRUE(V->getType()->isMetadataTy());
EXPECT_EQ(N2, V->getMetadata());
auto *V2 = MetadataAsValue::get(Context, N2);
EXPECT_EQ(V, V2);
auto *V3 = MetadataAsValue::get(Context, N);
EXPECT_TRUE(V3->getType()->isMetadataTy());
EXPECT_NE(V, V3);
EXPECT_EQ(N, V3->getMetadata());
}
TEST_F(MetadataAsValueTest, MDNodeConstant) {
auto *C = ConstantInt::getTrue(Context);
auto *MD = ConstantAsMetadata::get(C);
Metadata *Ops[] = {MD};
auto *N = MDNode::get(Context, Ops);
auto *V = MetadataAsValue::get(Context, MD);
EXPECT_TRUE(V->getType()->isMetadataTy());
EXPECT_EQ(MD, V->getMetadata());
auto *V2 = MetadataAsValue::get(Context, N);
EXPECT_EQ(MD, V2->getMetadata());
EXPECT_EQ(V, V2);
}
typedef MetadataTest ValueAsMetadataTest;
TEST_F(ValueAsMetadataTest, UpdatesOnRAUW) {
Type *Ty = Type::getInt1PtrTy(Context);
std::unique_ptr<GlobalVariable> GV0(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
auto *MD = ValueAsMetadata::get(GV0.get());
EXPECT_TRUE(MD->getValue() == GV0.get());
ASSERT_TRUE(GV0->use_empty());
std::unique_ptr<GlobalVariable> GV1(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
GV0->replaceAllUsesWith(GV1.get());
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) {
Type *Ty = Type::getInt1PtrTy(Context);
std::unique_ptr<GlobalVariable> GV0(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
TypedTrackingMDRef<ValueAsMetadata> MD(ValueAsMetadata::get(GV0.get()));
EXPECT_TRUE(MD->getValue() == GV0.get());
ASSERT_TRUE(GV0->use_empty());
std::unique_ptr<GlobalVariable> GV1(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
GV0->replaceAllUsesWith(GV1.get());
EXPECT_TRUE(MD->getValue() == GV1.get());
// Reset it, so we don't inadvertently test deletion.
MD.reset();
}
TEST_F(TrackingMDRefTest, UpdatesOnDeletion) {
Type *Ty = Type::getInt1PtrTy(Context);
std::unique_ptr<GlobalVariable> GV(
new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage));
TypedTrackingMDRef<ValueAsMetadata> MD(ValueAsMetadata::get(GV.get()));
EXPECT_TRUE(MD->getValue() == GV.get());
ASSERT_TRUE(GV->use_empty());
GV.reset();
EXPECT_TRUE(!MD);
}
TEST(NamedMDNodeTest, Search) {
LLVMContext Context;
ConstantAsMetadata *C =
ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(Context), 1));
ConstantAsMetadata *C2 =
ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(Context), 2));
Metadata *const V = C;
Metadata *const V2 = C2;
MDNode *n = MDNode::get(Context, V);
MDNode *n2 = MDNode::get(Context, V2);
Module M("MyModule", Context);
const char *Name = "llvm.NMD1";
NamedMDNode *NMD = M.getOrInsertNamedMetadata(Name);
NMD->addOperand(n);
NMD->addOperand(n2);
std::string Str;
raw_string_ostream oss(Str);
NMD->print(oss);
EXPECT_STREQ("!llvm.NMD1 = !{!0, !1}\n",
oss.str().c_str());
}
}
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