namespace {
std::unique_ptr<Module> parseAssembly(const char *Assembly) {
- auto M = make_unique<Module>("Module", getGlobalContext());
-
SMDiagnostic Error;
- bool Parsed =
- ParseAssemblyString(Assembly, M.get(), Error, M->getContext()) == M.get();
+ std::unique_ptr<Module> M =
+ parseAssemblyString(Assembly, Error, getGlobalContext());
std::string ErrMsg;
raw_string_ostream OS(ErrMsg);
Error.print("", OS);
// A failure here means that the test itself is buggy.
- if (!Parsed)
+ if (!M)
report_fatal_error(OS.str().c_str());
return M;
SmallString<1024> &Mem,
const char *Assembly) {
writeModuleToBuffer(parseAssembly(Assembly), Mem);
- MemoryBuffer *Buffer = MemoryBuffer::getMemBuffer(Mem.str(), "test", false);
- ErrorOr<Module *> ModuleOrErr = getLazyBitcodeModule(Buffer, Context);
+ std::unique_ptr<MemoryBuffer> Buffer =
+ MemoryBuffer::getMemBuffer(Mem.str(), "test", false);
+ ErrorOr<Module *> ModuleOrErr =
+ getLazyBitcodeModule(std::move(Buffer), Context);
return std::unique_ptr<Module>(ModuleOrErr.get());
}
" unreachable\n"
"}\n");
EXPECT_FALSE(verifyModule(*M, &dbgs()));
+
+ // Try (and fail) to dematerialize @func.
+ M->getFunction("func")->Dematerialize();
+ EXPECT_FALSE(M->getFunction("func")->empty());
+}
+
+TEST(BitReaderTest, MaterializeFunctionsForBlockAddrInFunctionBefore) {
+ SmallString<1024> Mem;
+
+ LLVMContext Context;
+ std::unique_ptr<Module> M = getLazyModuleFromAssembly(
+ Context, Mem, "define i8* @before() {\n"
+ " ret i8* blockaddress(@func, %bb)\n"
+ "}\n"
+ "define void @other() {\n"
+ " unreachable\n"
+ "}\n"
+ "define void @func() {\n"
+ " unreachable\n"
+ "bb:\n"
+ " unreachable\n"
+ "}\n");
+ EXPECT_TRUE(M->getFunction("before")->empty());
+ EXPECT_TRUE(M->getFunction("func")->empty());
+ EXPECT_FALSE(verifyModule(*M, &dbgs()));
+
+ // Materialize @before, pulling in @func.
+ EXPECT_FALSE(M->getFunction("before")->Materialize());
+ EXPECT_FALSE(M->getFunction("func")->empty());
+ EXPECT_TRUE(M->getFunction("other")->empty());
+ EXPECT_FALSE(verifyModule(*M, &dbgs()));
+
+ // Try (and fail) to dematerialize @func.
+ M->getFunction("func")->Dematerialize();
+ EXPECT_FALSE(M->getFunction("func")->empty());
+ EXPECT_FALSE(verifyModule(*M, &dbgs()));
+}
+
+TEST(BitReaderTest, MaterializeFunctionsForBlockAddrInFunctionAfter) {
+ SmallString<1024> Mem;
+
+ LLVMContext Context;
+ std::unique_ptr<Module> M = getLazyModuleFromAssembly(
+ Context, Mem, "define void @func() {\n"
+ " unreachable\n"
+ "bb:\n"
+ " unreachable\n"
+ "}\n"
+ "define void @other() {\n"
+ " unreachable\n"
+ "}\n"
+ "define i8* @after() {\n"
+ " ret i8* blockaddress(@func, %bb)\n"
+ "}\n");
+ EXPECT_TRUE(M->getFunction("after")->empty());
+ EXPECT_TRUE(M->getFunction("func")->empty());
+ EXPECT_FALSE(verifyModule(*M, &dbgs()));
+
+ // Materialize @after, pulling in @func.
+ EXPECT_FALSE(M->getFunction("after")->Materialize());
+ EXPECT_FALSE(M->getFunction("func")->empty());
+ EXPECT_TRUE(M->getFunction("other")->empty());
+ EXPECT_FALSE(verifyModule(*M, &dbgs()));
+
+ // Try (and fail) to dematerialize @func.
+ M->getFunction("func")->Dematerialize();
+ EXPECT_FALSE(M->getFunction("func")->empty());
+ EXPECT_FALSE(verifyModule(*M, &dbgs()));
}
} // end namespace