add a new -filetype argument to llc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22287 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-06-25 03:32:05 +00:00
parent 33f80a8723
commit 812125aea9

View File

@ -23,6 +23,7 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/System/Signals.h"
#include "llvm/Config/config.h"
#include <fstream>
#include <iostream>
#include <memory>
@ -44,7 +45,20 @@ static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
static cl::opt<const TargetMachineRegistry::Entry*, false, TargetNameParser>
MArch("march", cl::desc("Architecture to generate code for:"));
// GetFileNameRoot - Helper function to get the basename of a filename...
cl::opt<TargetMachine::CodeGenFileType>
FileType("filetype", cl::init(TargetMachine::AssemblyFile),
cl::desc("Choose a file type (not all types are supported by all targets):"),
cl::values(
clEnumValN(TargetMachine::AssemblyFile, "asm",
" Emit an assembly ('.s') file"),
clEnumValN(TargetMachine::ObjectFile, "obj",
" Emit a native object ('.o') file"),
clEnumValN(TargetMachine::DynamicLibrary, "dynlib",
" Emit a native dynamic library ('.so') file"),
clEnumValEnd));
// GetFileNameRoot - Helper function to get the basename of a filename.
static inline std::string
GetFileNameRoot(const std::string &InputFilename) {
std::string IFN = InputFilename;
@ -126,10 +140,20 @@ int main(int argc, char **argv) {
} else {
OutputFilename = GetFileNameRoot(InputFilename);
if (MArch->Name[0] != 'c' || MArch->Name[1] != 0) // not CBE
OutputFilename += ".s";
else
OutputFilename += ".cbe.c";
switch (FileType) {
case TargetMachine::AssemblyFile:
if (MArch->Name[0] != 'c' || MArch->Name[1] != 0) // not CBE
OutputFilename += ".s";
else
OutputFilename += ".cbe.c";
break;
case TargetMachine::ObjectFile:
OutputFilename += ".o";
break;
case TargetMachine::DynamicLibrary:
OutputFilename += LTDL_SHLIB_EXT;
break;
}
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
@ -153,9 +177,9 @@ int main(int argc, char **argv) {
}
// Ask the target to add backend passes as necessary.
if (Target.addPassesToEmitFile(Passes, *Out, TargetMachine::AssemblyFile)) {
if (Target.addPassesToEmitFile(Passes, *Out, FileType)) {
std::cerr << argv[0] << ": target '" << Target.getName()
<< "' does not support static compilation!\n";
<< "' does not support generation of this file type!\n";
if (Out != &std::cout) delete Out;
// And the Out file is empty and useless, so remove it now.
std::remove(OutputFilename.c_str());