X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=tools%2Fllvm-link%2Fllvm-link.cpp;h=99cca2322d8a8ce701f3492f1a21a80ba24862da;hb=5be77762a3aa434ee877b0a03b98b5c3a7571918;hp=fae4d107b1a22698de07649db36d703653498314;hpb=a93f30ee65e2fa48c8caff7d5c3052559b0829fb;p=oota-llvm.git

diff --git a/tools/llvm-link/llvm-link.cpp b/tools/llvm-link/llvm-link.cpp
index fae4d107b1a..99cca2322d8 100644
--- a/tools/llvm-link/llvm-link.cpp
+++ b/tools/llvm-link/llvm-link.cpp
@@ -13,19 +13,19 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Linker.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
 #include "llvm/Analysis/Verifier.h"
 #include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IRReader/IRReader.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Path.h"
 #include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/SystemUtils.h"
-#include "llvm/Support/IRReader.h"
-#include "llvm/System/Signals.h"
-#include "llvm/System/Path.h"
+#include "llvm/Support/ToolOutputFile.h"
 #include <memory>
 using namespace llvm;
 
@@ -53,38 +53,24 @@ DumpAsm("d", cl::desc("Print assembly as linked"), cl::Hidden);
 // LoadFile - Read the specified bitcode file in and return it.  This routine
 // searches the link path for the specified file to try to find it...
 //
-static inline std::auto_ptr<Module> LoadFile(const char *argv0,
-                                             const std::string &FN, 
-                                             LLVMContext& Context) {
-  sys::Path Filename;
-  if (!Filename.set(FN)) {
-    errs() << "Invalid file name: '" << FN << "'\n";
-    return std::auto_ptr<Module>();
-  }
-
+static inline Module *LoadFile(const char *argv0, const std::string &FN,
+                               LLVMContext& Context) {
   SMDiagnostic Err;
-  if (Filename.exists()) {
-    if (Verbose) errs() << "Loading '" << Filename.c_str() << "'\n";
-    Module* Result = 0;
-    
-    const std::string &FNStr = Filename.str();
-    Result = ParseIRFile(FNStr, Err, Context);
-    if (Result) return std::auto_ptr<Module>(Result);   // Load successful!
-
-    if (Verbose)
-      Err.Print(argv0, errs());
-  } else {
-    errs() << "Bitcode file: '" << Filename.c_str() << "' does not exist.\n";
-  }
+  if (Verbose) errs() << "Loading '" << FN << "'\n";
+  Module* Result = 0;
+
+  Result = ParseIRFile(FN, Err, Context);
+  if (Result) return Result;   // Load successful!
 
-  return std::auto_ptr<Module>();
+  Err.print(argv0, errs());
+  return NULL;
 }
 
 int main(int argc, char **argv) {
   // Print a stack trace if we signal out.
   sys::PrintStackTraceOnErrorSignal();
   PrettyStackTraceProgram X(argc, argv);
-  
+
   LLVMContext &Context = getGlobalContext();
   llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
   cl::ParseCommandLineOptions(argc, argv, "llvm linker\n");
@@ -92,17 +78,17 @@ int main(int argc, char **argv) {
   unsigned BaseArg = 0;
   std::string ErrorMessage;
 
-  std::auto_ptr<Module> Composite(LoadFile(argv[0],
-                                           InputFilenames[BaseArg], Context));
+  OwningPtr<Module> Composite(LoadFile(argv[0],
+                                       InputFilenames[BaseArg], Context));
   if (Composite.get() == 0) {
     errs() << argv[0] << ": error loading file '"
            << InputFilenames[BaseArg] << "'\n";
     return 1;
   }
 
+  Linker L(Composite.get());
   for (unsigned i = BaseArg+1; i < InputFilenames.size(); ++i) {
-    std::auto_ptr<Module> M(LoadFile(argv[0],
-                                     InputFilenames[i], Context));
+    OwningPtr<Module> M(LoadFile(argv[0], InputFilenames[i], Context));
     if (M.get() == 0) {
       errs() << argv[0] << ": error loading file '" <<InputFilenames[i]<< "'\n";
       return 1;
@@ -110,32 +96,22 @@ int main(int argc, char **argv) {
 
     if (Verbose) errs() << "Linking in '" << InputFilenames[i] << "'\n";
 
-    if (Linker::LinkModules(Composite.get(), M.get(), &ErrorMessage)) {
+    if (L.linkInModule(M.get(), &ErrorMessage)) {
       errs() << argv[0] << ": link error in '" << InputFilenames[i]
              << "': " << ErrorMessage << "\n";
       return 1;
     }
   }
 
-  // TODO: Iterate over the -l list and link in any modules containing
-  // global symbols that have not been resolved so far.
-
   if (DumpAsm) errs() << "Here's the assembly:\n" << *Composite;
 
   std::string ErrorInfo;
-  std::auto_ptr<raw_ostream> 
-  Out(new raw_fd_ostream(OutputFilename.c_str(), ErrorInfo,
-                         raw_fd_ostream::F_Binary));
+  tool_output_file Out(OutputFilename.c_str(), ErrorInfo, sys::fs::F_Binary);
   if (!ErrorInfo.empty()) {
     errs() << ErrorInfo << '\n';
     return 1;
   }
 
-    // Make sure that the Out file gets unlinked from the disk if we get a
-    // SIGINT
-  if (OutputFilename != "-")
-    sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
   if (verifyModule(*Composite)) {
     errs() << argv[0] << ": linked module is broken!\n";
     return 1;
@@ -143,9 +119,12 @@ int main(int argc, char **argv) {
 
   if (Verbose) errs() << "Writing bitcode...\n";
   if (OutputAssembly) {
-    *Out << *Composite;
-  } else if (Force || !CheckBitcodeOutputToConsole(*Out, true))
-    WriteBitcodeToFile(Composite.get(), *Out);
+    Out.os() << *Composite;
+  } else if (Force || !CheckBitcodeOutputToConsole(Out.os(), true))
+    WriteBitcodeToFile(Composite.get(), Out.os());
+
+  // Declare success.
+  Out.keep();
 
   return 0;
 }