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tools/llc/llc.cpp: Make "-o -" work.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2003-06-18 21:43:33 +00:00
parent de3aa4f77f
commit 5ce1a585df
1 changed files with 16 additions and 12 deletions
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28
tools/llc/llc.cpp
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@ -118,19 +118,23 @@ main(int argc, char **argv)
// Figure out where we are going to send the output...
std::ostream *Out = 0;
if (OutputFilename != "") {
// Specified an output filename?
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
std::cerr << argv[0] << ": error opening '" << OutputFilename
<< "': file exists!\n"
<< "Use -f command line argument to force output\n";
return 1;
}
Out = new std::ofstream(OutputFilename.c_str());
if (OutputFilename != "-") {
// Specified an output filename?
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
std::cerr << argv[0] << ": error opening '" << OutputFilename
<< "': file exists!\n"
<< "Use -f command line argument to force output\n";
return 1;
}
Out = new std::ofstream(OutputFilename.c_str());
// Make sure that the Out file gets unlink'd from the disk if we get a
// SIGINT
RemoveFileOnSignal(OutputFilename);
// Make sure that the Out file gets unlink'd from the disk if we get a
// SIGINT
RemoveFileOnSignal(OutputFilename);
} else {
Out = &std::cout;
}
} else {
if (InputFilename == "-") {
OutputFilename = "-";