#include "llvm/IR/Module.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
DisableVerify("disable-verify", cl::Hidden,
cl::desc("Do not run verifier on input LLVM (dangerous!)"));
+static cl::opt<bool> PreserveBitcodeUseListOrder(
+ "preserve-bc-uselistorder",
+ cl::desc("Preserve use-list order when writing LLVM bitcode."),
+ cl::init(true), cl::Hidden);
+
static void WriteOutputFile(const Module *M) {
// Infer the output filename if needed.
if (OutputFilename.empty()) {
if (InputFilename == "-") {
OutputFilename = "-";
} else {
- std::string IFN = InputFilename;
- int Len = IFN.length();
- if (IFN[Len-3] == '.' && IFN[Len-2] == 'l' && IFN[Len-1] == 'l') {
- // Source ends in .ll
- OutputFilename = std::string(IFN.begin(), IFN.end()-3);
- } else {
- OutputFilename = IFN; // Append a .bc to it
- }
+ StringRef IFN = InputFilename;
+ OutputFilename = (IFN.endswith(".ll") ? IFN.drop_back(3) : IFN).str();
OutputFilename += ".bc";
}
}
- std::string ErrorInfo;
- OwningPtr<tool_output_file> Out(new tool_output_file(
- OutputFilename.c_str(), ErrorInfo, sys::fs::F_None));
- if (!ErrorInfo.empty()) {
- errs() << ErrorInfo << '\n';
+ std::error_code EC;
+ std::unique_ptr<tool_output_file> Out(
+ new tool_output_file(OutputFilename, EC, sys::fs::F_None));
+ if (EC) {
+ errs() << EC.message() << '\n';
exit(1);
}
if (Force || !CheckBitcodeOutputToConsole(Out->os(), true))
- WriteBitcodeToFile(M, Out->os());
+ WriteBitcodeToFile(M, Out->os(), PreserveBitcodeUseListOrder);
// Declare success.
Out->keep();
// Parse the file now...
SMDiagnostic Err;
- OwningPtr<Module> M(ParseAssemblyFile(InputFilename, Err, Context));
- if (M.get() == 0) {
+ std::unique_ptr<Module> M = parseAssemblyFile(InputFilename, Err, Context);
+ if (!M.get()) {
Err.print(argv[0], errs());
return 1;
}