//
//===----------------------------------------------------------------------===//
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Transforms/IPO.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/Module.h"
+#include "llvm/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/IRReader.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/Regex.h"
#include "llvm/Support/Signals.h"
-#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Transforms/IPO.h"
#include <memory>
using namespace llvm;
static cl::opt<bool>
DeleteFn("delete", cl::desc("Delete specified Globals from Module"));
-// ExtractFuncs - The functions to extract from the module...
+// ExtractFuncs - The functions to extract from the module.
static cl::list<std::string>
ExtractFuncs("func", cl::desc("Specify function to extract"),
cl::ZeroOrMore, cl::value_desc("function"));
-// ExtractGlobals - The globals to extract from the module...
+// ExtractRegExpFuncs - The functions, matched via regular expression, to
+// extract from the module.
+static cl::list<std::string>
+ExtractRegExpFuncs("rfunc", cl::desc("Specify function(s) to extract using a "
+ "regular expression"),
+ cl::ZeroOrMore, cl::value_desc("rfunction"));
+
+// ExtractAlias - The alias to extract from the module.
+static cl::list<std::string>
+ExtractAliases("alias", cl::desc("Specify alias to extract"),
+ cl::ZeroOrMore, cl::value_desc("alias"));
+
+
+// ExtractRegExpAliases - The aliases, matched via regular expression, to
+// extract from the module.
+static cl::list<std::string>
+ExtractRegExpAliases("ralias", cl::desc("Specify alias(es) to extract using a "
+ "regular expression"),
+ cl::ZeroOrMore, cl::value_desc("ralias"));
+
+// ExtractGlobals - The globals to extract from the module.
static cl::list<std::string>
ExtractGlobals("glob", cl::desc("Specify global to extract"),
cl::ZeroOrMore, cl::value_desc("global"));
+// ExtractRegExpGlobals - The globals, matched via regular expression, to
+// extract from the module...
+static cl::list<std::string>
+ExtractRegExpGlobals("rglob", cl::desc("Specify global(s) to extract using a "
+ "regular expression"),
+ cl::ZeroOrMore, cl::value_desc("rglobal"));
+
static cl::opt<bool>
OutputAssembly("S",
cl::desc("Write output as LLVM assembly"), cl::Hidden);
M.reset(getLazyIRFileModule(InputFilename, Err, Context));
if (M.get() == 0) {
- Err.Print(argv[0], errs());
+ Err.print(argv[0], errs());
return 1;
}
- std::vector<GlobalValue *> GVs;
+ // Use SetVector to avoid duplicates.
+ SetVector<GlobalValue *> GVs;
+
+ // Figure out which aliases we should extract.
+ for (size_t i = 0, e = ExtractAliases.size(); i != e; ++i) {
+ GlobalAlias *GA = M->getNamedAlias(ExtractAliases[i]);
+ if (!GA) {
+ errs() << argv[0] << ": program doesn't contain alias named '"
+ << ExtractAliases[i] << "'!\n";
+ return 1;
+ }
+ GVs.insert(GA);
+ }
+
+ // Extract aliases via regular expression matching.
+ for (size_t i = 0, e = ExtractRegExpAliases.size(); i != e; ++i) {
+ std::string Error;
+ Regex RegEx(ExtractRegExpAliases[i]);
+ if (!RegEx.isValid(Error)) {
+ errs() << argv[0] << ": '" << ExtractRegExpAliases[i] << "' "
+ "invalid regex: " << Error;
+ }
+ bool match = false;
+ for (Module::alias_iterator GA = M->alias_begin(), E = M->alias_end();
+ GA != E; GA++) {
+ if (RegEx.match(GA->getName())) {
+ GVs.insert(&*GA);
+ match = true;
+ }
+ }
+ if (!match) {
+ errs() << argv[0] << ": program doesn't contain global named '"
+ << ExtractRegExpAliases[i] << "'!\n";
+ return 1;
+ }
+ }
// Figure out which globals we should extract.
for (size_t i = 0, e = ExtractGlobals.size(); i != e; ++i) {
- GlobalValue *GV = M.get()->getNamedGlobal(ExtractGlobals[i]);
+ GlobalValue *GV = M->getNamedGlobal(ExtractGlobals[i]);
if (!GV) {
errs() << argv[0] << ": program doesn't contain global named '"
<< ExtractGlobals[i] << "'!\n";
return 1;
}
- GVs.push_back(GV);
+ GVs.insert(GV);
+ }
+
+ // Extract globals via regular expression matching.
+ for (size_t i = 0, e = ExtractRegExpGlobals.size(); i != e; ++i) {
+ std::string Error;
+ Regex RegEx(ExtractRegExpGlobals[i]);
+ if (!RegEx.isValid(Error)) {
+ errs() << argv[0] << ": '" << ExtractRegExpGlobals[i] << "' "
+ "invalid regex: " << Error;
+ }
+ bool match = false;
+ for (Module::global_iterator GV = M->global_begin(),
+ E = M->global_end(); GV != E; GV++) {
+ if (RegEx.match(GV->getName())) {
+ GVs.insert(&*GV);
+ match = true;
+ }
+ }
+ if (!match) {
+ errs() << argv[0] << ": program doesn't contain global named '"
+ << ExtractRegExpGlobals[i] << "'!\n";
+ return 1;
+ }
}
// Figure out which functions we should extract.
for (size_t i = 0, e = ExtractFuncs.size(); i != e; ++i) {
- GlobalValue *GV = M.get()->getFunction(ExtractFuncs[i]);
+ GlobalValue *GV = M->getFunction(ExtractFuncs[i]);
if (!GV) {
errs() << argv[0] << ": program doesn't contain function named '"
<< ExtractFuncs[i] << "'!\n";
return 1;
}
- GVs.push_back(GV);
+ 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.
// In addition to deleting all other functions, we also want to spiff it
// up a little bit. Do this now.
PassManager Passes;
- Passes.add(new TargetData(M.get())); // Use correct TargetData
+ Passes.add(new DataLayout(M.get())); // Use correct DataLayout
+
+ std::vector<GlobalValue*> Gvs(GVs.begin(), GVs.end());
- Passes.add(createGVExtractionPass(GVs, DeleteFn));
+ Passes.add(createGVExtractionPass(Gvs, DeleteFn));
if (!DeleteFn)
Passes.add(createGlobalDCEPass()); // Delete unreachable globals
Passes.add(createStripDeadDebugInfoPass()); // Remove dead debug info
- Passes.add(createDeadTypeEliminationPass()); // Remove dead types...
Passes.add(createStripDeadPrototypesPass()); // Remove dead func decls
std::string ErrorInfo;
projects / oota-llvm.git / blobdiff