本文整理汇总了C++中GlobalValue::materialize方法的典型用法代码示例。如果您正苦于以下问题:C++ GlobalValue::materialize方法的具体用法?C++ GlobalValue::materialize怎么用?C++ GlobalValue::materialize使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GlobalValue
的用法示例。
在下文中一共展示了GlobalValue::materialize方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
//.........这里部分代码省略.........
}
}
// Figure out which functions we should extract.
for (size_t i = 0, e = ExtractFuncs.size(); i != e; ++i) {
GlobalValue *GV = M->getFunction(ExtractFuncs[i]);
if (!GV) {
errs() << argv[0] << ": program doesn't contain function named '"
<< ExtractFuncs[i] << "'!\n";
return 1;
}
GVs.insert(GV);
}
// Extract functions via regular expression matching.
for (size_t i = 0, e = ExtractRegExpFuncs.size(); i != e; ++i) {
std::string Error;
StringRef RegExStr = ExtractRegExpFuncs[i];
Regex RegEx(RegExStr);
if (!RegEx.isValid(Error)) {
errs() << argv[0] << ": '" << ExtractRegExpFuncs[i] << "' "
"invalid regex: " << Error;
}
bool match = false;
for (Module::iterator F = M->begin(), E = M->end(); F != E;
F++) {
if (RegEx.match(F->getName())) {
GVs.insert(&*F);
match = true;
}
}
if (!match) {
errs() << argv[0] << ": program doesn't contain global named '"
<< ExtractRegExpFuncs[i] << "'!\n";
return 1;
}
}
// Materialize requisite global values.
if (!DeleteFn)
for (size_t i = 0, e = GVs.size(); i != e; ++i) {
GlobalValue *GV = GVs[i];
if (std::error_code EC = GV->materialize()) {
errs() << argv[0] << ": error reading input: " << EC.message() << "\n";
return 1;
}
}
else {
// Deleting. Materialize every GV that's *not* in GVs.
SmallPtrSet<GlobalValue *, 8> GVSet(GVs.begin(), GVs.end());
for (auto &G : M->globals()) {
if (!GVSet.count(&G)) {
if (std::error_code EC = G.materialize()) {
errs() << argv[0] << ": error reading input: " << EC.message()
<< "\n";
return 1;
}
}
}
for (auto &F : *M) {
if (!GVSet.count(&F)) {
if (std::error_code EC = F.materialize()) {
errs() << argv[0] << ": error reading input: " << EC.message()
<< "\n";
return 1;
}
}
}
}
// In addition to deleting all other functions, we also want to spiff it
// up a little bit. Do this now.
legacy::PassManager Passes;
std::vector<GlobalValue*> Gvs(GVs.begin(), GVs.end());
Passes.add(createGVExtractionPass(Gvs, DeleteFn));
if (!DeleteFn)
Passes.add(createGlobalDCEPass()); // Delete unreachable globals
Passes.add(createStripDeadDebugInfoPass()); // Remove dead debug info
Passes.add(createStripDeadPrototypesPass()); // Remove dead func decls
std::error_code EC;
tool_output_file Out(OutputFilename, EC, sys::fs::F_None);
if (EC) {
errs() << EC.message() << '\n';
return 1;
}
if (OutputAssembly)
Passes.add(createPrintModulePass(Out.os()));
else if (Force || !CheckBitcodeOutputToConsole(Out.os(), true))
Passes.add(createBitcodeWriterPass(Out.os()));
Passes.run(*M.get());
// Declare success.
Out.keep();
return 0;
}