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https://github.com/c64scene-ar/llvm-6502.git
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* Ordered includes according to LLVM style
* Put function signatures on one line if possible * Deleted empty comment lines (^//$) * Deleted braces around single statements * Deleted space between function call and argument list git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8775 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman
parent
4c3a753a2e
commit
e97fbed83a
@ -14,7 +14,6 @@
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//===----------------------------------------------------------------------===//
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#include "gccld.h"
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#include "llvm/Transforms/Utils/Linker.h"
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#include "llvm/Module.h"
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#include "llvm/PassManager.h"
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#include "llvm/Bytecode/Reader.h"
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@ -22,11 +21,11 @@
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#include "llvm/Target/TargetData.h"
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#include "llvm/Transforms/IPO.h"
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#include "llvm/Transforms/Scalar.h"
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#include "Support/FileUtilities.h"
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#include "Support/SystemUtils.h"
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#include "llvm/Transforms/Utils/Linker.h"
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#include "Support/CommandLine.h"
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#include "Support/FileUtilities.h"
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#include "Support/Signals.h"
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#include "Support/SystemUtils.h"
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#include <fstream>
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#include <memory>
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@ -107,7 +106,6 @@ PrintAndReturn (const char *progname,
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return 1;
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}
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//
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//
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// Function: CopyEnv()
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@ -130,46 +128,29 @@ PrintAndReturn (const char *progname,
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// in the array is a duplicate of the one in the original array (i.e. we do
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// not copy the char *'s from one array to another).
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//
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char **
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CopyEnv (char ** const envp)
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{
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//
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char ** CopyEnv(char ** const envp) {
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// Count the number of entries in the old list;
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//
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unsigned entries; // The number of entries in the old environment list
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for (entries = 0; envp[entries] != NULL; entries++)
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{
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;
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}
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//
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// Add one more entry for the NULL pointer that ends the list.
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//
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++entries;
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//
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// If there are no entries at all, just return NULL.
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//
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if (entries == 0)
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{
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return NULL;
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}
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//
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// Allocate a new environment list.
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//
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char **newenv;
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if ((newenv = new (char *) [entries]) == NULL)
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{
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return NULL;
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}
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//
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// Make a copy of the list. Don't forget the NULL that ends the list.
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//
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entries = 0;
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while (envp[entries] != NULL)
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{
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while (envp[entries] != NULL) {
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newenv[entries] = new char[strlen (envp[entries]) + 1];
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strcpy (newenv[entries], envp[entries]);
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++entries;
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@ -202,41 +183,28 @@ CopyEnv (char ** const envp)
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// seem to have an unsetenv() function or a setenv() function (or they are
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// undocumented if they do exist).
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//
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void
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RemoveEnv (const char * name, char ** const envp)
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{
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void RemoveEnv(const char * name, char ** const envp) {
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for (unsigned index=0; envp[index] != NULL; index++) {
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// Find the first equals sign in the array and make it an EOS character.
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char *p = strchr (envp[index], '=');
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if (p == NULL)
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{
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continue;
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}
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else
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{
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*p = '\0';
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}
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// Compare the two strings. If they are equal, zap this string.
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// Otherwise, restore it.
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//
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if (!strcmp (name, envp[index]))
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{
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if (!strcmp(name, envp[index]))
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*envp[index] = '\0';
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}
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else
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{
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*p = '=';
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}
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}
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return;
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}
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int
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main(int argc, char **argv, char ** envp)
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{
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int main(int argc, char **argv, char **envp) {
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cl::ParseCommandLineOptions(argc, argv, " llvm linker for GCC\n");
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std::string ErrorMessage;
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@ -262,9 +230,7 @@ main(int argc, char **argv, char ** envp)
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// Link in all of the libraries next...
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//
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// Create the output file.
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//
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std::string RealBytecodeOutput = OutputFilename;
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if (!LinkAsLibrary) RealBytecodeOutput += ".bc";
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std::ofstream Out(RealBytecodeOutput.c_str());
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@ -272,69 +238,51 @@ main(int argc, char **argv, char ** envp)
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return PrintAndReturn(argv[0], "error opening '" + RealBytecodeOutput +
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"' for writing!");
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//
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// Ensure that the bytecode file gets removed from the disk if we get a
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// SIGINT signal.
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//
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RemoveFileOnSignal(RealBytecodeOutput);
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//
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// Generate the bytecode file.
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//
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if (GenerateBytecode (Composite.get(), Strip, !NoInternalize, &Out)) {
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if (GenerateBytecode(Composite.get(), Strip, !NoInternalize, &Out)) {
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Out.close();
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return PrintAndReturn(argv[0], "error generating bytcode");
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}
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//
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// Close the bytecode file.
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//
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Out.close();
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//
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// If we are not linking a library, generate either a native executable
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// or a JIT shell script, depending upon what the user wants.
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//
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if (!LinkAsLibrary) {
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//
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// If the user wants to generate a native executable, compile it from the
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// bytecode file.
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//
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// Otherwise, create a script that will run the bytecode through the JIT.
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//
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if (Native) {
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// Name of the Assembly Language output file
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std::string AssemblyFile = OutputFilename + ".s";
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//
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// Mark the output files for removal if we get an interrupt.
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//
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RemoveFileOnSignal (AssemblyFile);
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RemoveFileOnSignal (OutputFilename);
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RemoveFileOnSignal(AssemblyFile);
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RemoveFileOnSignal(OutputFilename);
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//
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// Determine the locations of the llc and gcc programs.
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//
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std::string llc=FindExecutable ("llc", argv[0]);
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std::string gcc=FindExecutable ("gcc", argv[0]);
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std::string llc = FindExecutable("llc", argv[0]);
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std::string gcc = FindExecutable("gcc", argv[0]);
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if (llc.empty())
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return PrintAndReturn (argv[0], "Failed to find llc");
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return PrintAndReturn(argv[0], "Failed to find llc");
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if (gcc.empty())
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return PrintAndReturn (argv[0], "Failed to find gcc");
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return PrintAndReturn(argv[0], "Failed to find gcc");
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//
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// Generate an assembly language file for the bytecode.
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//
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if (Verbose) std::cout << "Generating Assembly Code\n";
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GenerateAssembly(AssemblyFile, RealBytecodeOutput, llc, envp);
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if (Verbose) std::cout << "Generating Native Code\n";
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GenerateNative(OutputFilename, AssemblyFile, Libraries, LibPaths,
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gcc, envp);
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//
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// Remove the assembly language file.
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//
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removeFile (AssemblyFile);
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} else {
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// Output the script to start the program...
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@ -347,11 +295,11 @@ main(int argc, char **argv, char ** envp)
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}
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// Make the script executable...
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MakeFileExecutable (OutputFilename);
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MakeFileExecutable(OutputFilename);
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// Make the bytecode file readable and directly executable in LLEE as well
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MakeFileExecutable (RealBytecodeOutput);
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MakeFileReadable (RealBytecodeOutput);
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MakeFileExecutable(RealBytecodeOutput);
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MakeFileReadable(RealBytecodeOutput);
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}
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return 0;
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