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Add a new gccld -native-cbe option which causes gccld to generate native code

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for the application with the C backend instead of the native LLVM code generator


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12698 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-04-06 16:43:13 +00:00
parent e80e637793
commit 69e8d282bf
3 changed files with 48 additions and 1 deletions
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19
tools/gccld/GenerateCode.cpp
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@ -25,7 +25,6 @@
#include "llvm/Transforms/Utils/Linker.h"
#include "Support/SystemUtils.h"
#include "Support/CommandLine.h"
using namespace llvm;
namespace {
@ -182,6 +181,23 @@ GenerateAssembly(const std::string &OutputFilename,
return ExecWait(cmd, envp);
}
/// GenerateAssembly - generates a native assembly language source file from the
/// specified bytecode file.
int GenerateCFile(const std::string &OutputFile, const std::string &InputFile,
const std::string &llc, char ** const envp) {
// Run LLC to convert the bytecode file into C.
const char *cmd[8];
cmd[0] = llc.c_str();
cmd[1] = "-march=c";
cmd[2] = "-f";
cmd[3] = "-o";
cmd[4] = OutputFile.c_str();
cmd[5] = InputFile.c_str();
cmd[6] = NULL;
return ExecWait(cmd, envp);
}
/// GenerateNative - generates a native assembly language source file from the
/// specified assembly source file.
///
@ -230,6 +246,7 @@ GenerateNative(const std::string &OutputFilename,
// and linker because we don't know where to put the _start symbol.
// GCC mysteriously knows how to do it.
cmd.push_back(gcc.c_str());
cmd.push_back("-O3");
cmd.push_back("-o");
cmd.push_back(OutputFilename.c_str());
cmd.push_back(InputFilename.c_str());