Update llvm to r84119.

author: rdivacky <rdivacky@FreeBSD.org> 2009-10-14 17:57:32 +0000
committer: rdivacky <rdivacky@FreeBSD.org> 2009-10-14 17:57:32 +0000
commit: cd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch)
tree: b21f6de4e08b89bb7931806bab798fc2a5e3a686 /tools/llvm-ld/llvm-ld.cpp
parent: 72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff)
download: FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip
FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz
1 files changed, 56 insertions, 47 deletions
diff --git a/tools/llvm-ld/llvm-ld.cpp b/tools/llvm-ld/llvm-ld.cpp
index 2b9d255..ef3c250 100644
--- a/tools/llvm-ld/llvm-ld.cpp
+++ b/tools/llvm-ld/llvm-ld.cpp
@@ -12,7 +12,7 @@
 // Additionally, this program outputs a shell script that is used to invoke LLI
 // to execute the program.  In this manner, the generated executable (a.out for
 // example), is directly executable, whereas the bitcode file actually lives in
-// the a.out.bc file generated by this program.  Also, Force is on by default.
+// the a.out.bc file generated by this program.
 //
 // Note that if someone (or a script) deletes the executable program generated,
 // the .bc file will be left around.  Considering that this is a temporary hack,
@@ -29,21 +29,24 @@
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetMachineRegistry.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FileUtilities.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Streams.h"
 #include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/System/Signals.h"
 #include "llvm/Config/config.h"
-#include <fstream>
 #include <memory>
 #include <cstring>
 using namespace llvm;
 
+// Rightly this should go in a header file but it just seems such a waste.
+namespace llvm {
+extern void Optimize(Module*);
+}
+
 // Input/Output Options
 static cl::list<std::string> InputFilenames(cl::Positional, cl::OneOrMore,
   cl::desc("<input bitcode files>"));
@@ -52,6 +55,10 @@ static cl::opt<std::string> OutputFilename("o", cl::init("a.out"),
   cl::desc("Override output filename"),
   cl::value_desc("filename"));
 
+static cl::opt<std::string> BitcodeOutputFilename("b", cl::init(""),
+  cl::desc("Override bitcode output filename"),
+  cl::value_desc("filename"));
+
 static cl::opt<bool> Verbose("v",
   cl::desc("Print information about actions taken"));
 
@@ -124,7 +131,7 @@ static std::string progname;
 ///  Message  - The message to print to standard error.
 ///
 static void PrintAndExit(const std::string &Message, int errcode = 1) {
-  cerr << progname << ": " << Message << "\n";
+  errs() << progname << ": " << Message << "\n";
   llvm_shutdown();
   exit(errcode);
 }
@@ -133,8 +140,8 @@ static void PrintCommand(const std::vector<const char*> &args) {
   std::vector<const char*>::const_iterator I = args.begin(), E = args.end(); 
   for (; I != E; ++I)
     if (*I)
-      cout << "'" << *I << "'" << " ";
-  cout << "\n" << std::flush;
+      outs() << "'" << *I << "'" << " ";
+  outs() << "\n"; outs().flush();
 }
 
 /// CopyEnv - This function takes an array of environment variables and makes a
@@ -219,14 +226,14 @@ static void RemoveEnv(const char * name, char ** const envp) {
 void GenerateBitcode(Module* M, const std::string& FileName) {
 
   if (Verbose)
-    cout << "Generating Bitcode To " << FileName << '\n';
+    outs() << "Generating Bitcode To " << FileName << '\n';
 
   // Create the output file.
-  std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
-                               std::ios::binary;
-  std::ofstream Out(FileName.c_str(), io_mode);
-  if (!Out.good())
-    PrintAndExit("error opening '" + FileName + "' for writing!");
+  std::string ErrorInfo;
+  raw_fd_ostream Out(FileName.c_str(), ErrorInfo,
+                     raw_fd_ostream::F_Binary);
+  if (!ErrorInfo.empty())
+    PrintAndExit(ErrorInfo);
 
   // Ensure that the bitcode file gets removed from the disk if we get a
   // terminating signal.
@@ -267,7 +274,7 @@ static int GenerateAssembly(const std::string &OutputFilename,
   args.push_back(0);
 
   if (Verbose) {
-    cout << "Generating Assembly With: \n";
+    outs() << "Generating Assembly With: \n";
     PrintCommand(args);
   }
 
@@ -290,7 +297,7 @@ static int GenerateCFile(const std::string &OutputFile,
   args.push_back(0);
 
   if (Verbose) {
-    cout << "Generating C Source With: \n";
+    outs() << "Generating C Source With: \n";
     PrintCommand(args);
   }
 
@@ -387,7 +394,7 @@ static int GenerateNative(const std::string &OutputFilename,
   Args.push_back(0);
 
   if (Verbose) {
-    cout << "Generating Native Executable With:\n";
+    outs() << "Generating Native Executable With:\n";
     PrintCommand(Args);
   }
 
@@ -402,13 +409,14 @@ static int GenerateNative(const std::string &OutputFilename,
 /// bitcode file for the program.
 static void EmitShellScript(char **argv) {
   if (Verbose)
-    cout << "Emitting Shell Script\n";
+    outs() << "Emitting Shell Script\n";
 #if defined(_WIN32) || defined(__CYGWIN__)
   // Windows doesn't support #!/bin/sh style shell scripts in .exe files.  To
   // support windows systems, we copy the llvm-stub.exe executable from the
   // build tree to the destination file.
   std::string ErrMsg;  
-  sys::Path llvmstub = FindExecutable("llvm-stub.exe", argv[0]);
+  sys::Path llvmstub = FindExecutable("llvm-stub.exe", argv[0],
+                                      (void *)(intptr_t)&Optimize);
   if (llvmstub.isEmpty())
     PrintAndExit("Could not find llvm-stub.exe executable!");
 
@@ -419,9 +427,10 @@ static void EmitShellScript(char **argv) {
 #endif
 
   // Output the script to start the program...
-  std::ofstream Out2(OutputFilename.c_str());
-  if (!Out2.good())
-    PrintAndExit("error opening '" + OutputFilename + "' for writing!");
+  std::string ErrorInfo;
+  raw_fd_ostream Out2(OutputFilename.c_str(), ErrorInfo);
+  if (!ErrorInfo.empty())
+    PrintAndExit(ErrorInfo);
 
   Out2 << "#!/bin/sh\n";
   // Allow user to setenv LLVMINTERP if lli is not in their PATH.
@@ -457,9 +466,9 @@ static void EmitShellScript(char **argv) {
     if (FullLibraryPath.isEmpty())
       FullLibraryPath = sys::Path::FindLibrary(*i);
     if (!FullLibraryPath.isEmpty())
-      Out2 << "    -load=" << FullLibraryPath.toString() << " \\\n";
+      Out2 << "    -load=" << FullLibraryPath.str() << " \\\n";
   }
-  Out2 << "    $0.bc ${1+\"$@\"}\n";
+  Out2 << "    "  << BitcodeOutputFilename << " ${1+\"$@\"}\n";
   Out2.close();
 }
 
@@ -497,17 +506,12 @@ static void BuildLinkItems(
   }
 }
 
-// Rightly this should go in a header file but it just seems such a waste.
-namespace llvm {
-extern void Optimize(Module*);
-}
-
 int main(int argc, char **argv, char **envp) {
   // Print a stack trace if we signal out.
   sys::PrintStackTraceOnErrorSignal();
   PrettyStackTraceProgram X(argc, argv);
 
-  LLVMContext Context;
+  LLVMContext &Context = getGlobalContext();
   llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
   try {
     // Initial global variable above for convenience printing of program name.
@@ -568,16 +572,20 @@ int main(int argc, char **argv, char **envp) {
       sys::Path ExeFile( OutputFilename );
       if (ExeFile.getSuffix() == "") {
         ExeFile.appendSuffix("exe");
-        OutputFilename = ExeFile.toString();
+        OutputFilename = ExeFile.str();
       }
     }
 #endif
 
     // Generate the bitcode for the optimized module.
-    std::string RealBitcodeOutput = OutputFilename;
+    // If -b wasn't specified, use the name specified
+    // with -o to construct BitcodeOutputFilename.
+    if (BitcodeOutputFilename.empty()) {
+      BitcodeOutputFilename = OutputFilename;
+      if (!LinkAsLibrary) BitcodeOutputFilename += ".bc";
+    }
 
-    if (!LinkAsLibrary) RealBitcodeOutput += ".bc";
-    GenerateBitcode(Composite.get(), RealBitcodeOutput);
+    GenerateBitcode(Composite.get(), BitcodeOutputFilename);
 
     // If we are not linking a library, generate either a native executable
     // or a JIT shell script, depending upon what the user wants.
@@ -602,12 +610,12 @@ int main(int argc, char **argv, char **envp) {
 
           const char* args[4];
           args[0] = I->c_str();
-          args[1] = RealBitcodeOutput.c_str();
+          args[1] = BitcodeOutputFilename.c_str();
           args[2] = tmp_output.c_str();
           args[3] = 0;
           if (0 == sys::Program::ExecuteAndWait(prog, args, 0,0,0,0, &ErrMsg)) {
             if (tmp_output.isBitcodeFile() || tmp_output.isBitcodeFile()) {
-              sys::Path target(RealBitcodeOutput);
+              sys::Path target(BitcodeOutputFilename);
               target.eraseFromDisk();
               if (tmp_output.renamePathOnDisk(target, &ErrMsg))
                 PrintAndExit(ErrMsg, 2);
@@ -633,21 +641,22 @@ int main(int argc, char **argv, char **envp) {
         sys::RemoveFileOnSignal(sys::Path(OutputFilename));
 
         // Determine the locations of the llc and gcc programs.
-        sys::Path llc = FindExecutable("llc", argv[0]);
+        sys::Path llc = FindExecutable("llc", argv[0],
+                                       (void *)(intptr_t)&Optimize);
         if (llc.isEmpty())
           PrintAndExit("Failed to find llc");
 
-        sys::Path gcc = FindExecutable("gcc", argv[0]);
+        sys::Path gcc = sys::Program::FindProgramByName("gcc");
         if (gcc.isEmpty())
           PrintAndExit("Failed to find gcc");
 
         // Generate an assembly language file for the bitcode.
         std::string ErrMsg;
-        if (0 != GenerateAssembly(AssemblyFile.toString(), RealBitcodeOutput,
+        if (0 != GenerateAssembly(AssemblyFile.str(), BitcodeOutputFilename,
             llc, ErrMsg))
           PrintAndExit(ErrMsg);
 
-        if (0 != GenerateNative(OutputFilename, AssemblyFile.toString(),
+        if (0 != GenerateNative(OutputFilename, AssemblyFile.str(),
                                 NativeLinkItems, gcc, envp, ErrMsg))
           PrintAndExit(ErrMsg);
 
@@ -662,22 +671,22 @@ int main(int argc, char **argv, char **envp) {
         sys::RemoveFileOnSignal(sys::Path(OutputFilename));
 
         // Determine the locations of the llc and gcc programs.
-        sys::Path llc = FindExecutable("llc", argv[0]);
+        sys::Path llc = FindExecutable("llc", argv[0],
+                                       (void *)(intptr_t)&Optimize);
         if (llc.isEmpty())
           PrintAndExit("Failed to find llc");
 
-        sys::Path gcc = FindExecutable("gcc", argv[0]);
+        sys::Path gcc = sys::Program::FindProgramByName("gcc");
         if (gcc.isEmpty())
           PrintAndExit("Failed to find gcc");
 
         // Generate an assembly language file for the bitcode.
         std::string ErrMsg;
-        if (0 != GenerateCFile(
-            CFile.toString(), RealBitcodeOutput, llc, ErrMsg))
+        if (GenerateCFile(CFile.str(), BitcodeOutputFilename, llc, ErrMsg))
           PrintAndExit(ErrMsg);
 
-        if (0 != GenerateNative(OutputFilename, CFile.toString(), 
-                                NativeLinkItems, gcc, envp, ErrMsg))
+        if (GenerateNative(OutputFilename, CFile.str(), 
+                           NativeLinkItems, gcc, envp, ErrMsg))
           PrintAndExit(ErrMsg);
 
         // Remove the assembly language file.
@@ -693,10 +702,10 @@ int main(int argc, char **argv, char **envp) {
         PrintAndExit(ErrMsg);
 
       // Make the bitcode file readable and directly executable in LLEE as well
-      if (sys::Path(RealBitcodeOutput).makeExecutableOnDisk(&ErrMsg))
+      if (sys::Path(BitcodeOutputFilename).makeExecutableOnDisk(&ErrMsg))
         PrintAndExit(ErrMsg);
 
-      if (sys::Path(RealBitcodeOutput).makeReadableOnDisk(&ErrMsg))
+      if (sys::Path(BitcodeOutputFilename).makeReadableOnDisk(&ErrMsg))
         PrintAndExit(ErrMsg);
     }
   } catch (const std::string& msg) {
author	rdivacky <rdivacky@FreeBSD.org>	2009-10-14 17:57:32 +0000
committer	rdivacky <rdivacky@FreeBSD.org>	2009-10-14 17:57:32 +0000
commit	cd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch)
tree	b21f6de4e08b89bb7931806bab798fc2a5e3a686 /tools/llvm-ld/llvm-ld.cpp
parent	72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff)
download	FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz