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Don't create a (empty) output file, and don't warn about bitcode output

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to a console, when --analyze is used.

Similarly, avoid creating an empty output file when --disable-output is used.

Print a warning when the -o option appears with either --analyze or
--disable-output, to indicate that the option is being ignored.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93685 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-01-17 17:47:24 +00:00
parent 1efd4fd56b
commit b56bf581a3
1 changed files with 17 additions and 12 deletions
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7
tools/opt/opt.cpp
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@ -373,6 +373,10 @@ int main(int argc, char **argv) {
// FIXME: outs() is not binary! // FIXME: outs() is not binary!
raw_ostream *Out = &outs(); // Default to printing to stdout... raw_ostream *Out = &outs(); // Default to printing to stdout...
if (OutputFilename != "-") { if (OutputFilename != "-") {
if (NoOutput || AnalyzeOnly) {
errs() << "WARNING: The -o (output filename) option is ignored when\n"
"the --disable-output or --analyze options are used.\n";
} else {
// Make sure that the Output file gets unlinked from the disk if we get a // Make sure that the Output file gets unlinked from the disk if we get a
// SIGINT // SIGINT
sys::RemoveFileOnSignal(sys::Path(OutputFilename)); sys::RemoveFileOnSignal(sys::Path(OutputFilename));
@ -386,11 +390,12 @@ int main(int argc, char **argv) {
return 1; return 1;
} }
} }
}
// If the output is set to be emitted to standard out, and standard out is a // If the output is set to be emitted to standard out, and standard out is a
// console, print out a warning message and refuse to do it. We don't // console, print out a warning message and refuse to do it. We don't
// impress anyone by spewing tons of binary goo to a terminal. // impress anyone by spewing tons of binary goo to a terminal.
if (!Force && !NoOutput && !OutputAssembly) if (!Force && !NoOutput && !AnalyzeOnly && !OutputAssembly)
if (CheckBitcodeOutputToConsole(*Out, !Quiet)) if (CheckBitcodeOutputToConsole(*Out, !Quiet))
NoOutput = true; NoOutput = true;