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Driver: Simplify logic for sending 'clang -E t.c' output to stdout. 

llvm-svn: 110009
This commit is contained in:
Daniel Dunbar 2010-08-02 02:38:08 +00:00
parent a7dd15888b
commit 89f791e2c2
1 changed files with 4 additions and 25 deletions
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29
clang/lib/Driver/Driver.cpp
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@ -1078,19 +1078,6 @@ void Driver::BuildJobsForAction(Compilation &C,
InputInfos.push_back(II);
}
// Determine if we should output to a pipe.
bool OutputToPipe = false;
if (CanAcceptPipe && T.canPipeOutput()) {
// Some actions default to writing to a pipe if they are the top level phase
// and there was no user override.
//
// FIXME: Is there a better way to handle this?
if (AtTopLevel) {
if (isa<PreprocessJobAction>(A) && !C.getArgs().hasArg(options::OPT_o))
OutputToPipe = true;
}
}
// Figure out where to put the job (pipes).
Job *Dest = &C.getJobs();
assert(!InputInfos[0].isPipe() && "Unrequested pipe!");
@ -1107,18 +1094,6 @@ void Driver::BuildJobsForAction(Compilation &C,
// where to put the new job.
if (JA->getType() == types::TY_Nothing) {
Result = InputInfo(A->getType(), BaseInput);
} else if (OutputToPipe) {
// Append to current piped job or create a new one as appropriate.
PipedJob *PJ = dyn_cast<PipedJob>(Dest);
if (!PJ) {
PJ = new PipedJob();
// FIXME: Temporary hack so that -ccc-print-bindings work until we have
// pipe support. Please remove later.
if (!CCCPrintBindings)
cast<JobList>(Dest)->addJob(PJ);
Dest = PJ;
}
Result = InputInfo(PJ, A->getType(), BaseInput);
} else {
Result = InputInfo(GetNamedOutputPath(C, *JA, BaseInput, AtTopLevel),
A->getType(), BaseInput);
@ -1150,6 +1125,10 @@ const char *Driver::GetNamedOutputPath(Compilation &C,
return C.addResultFile(FinalOutput->getValue(C.getArgs()));
}
// Default to writing to stdout?
if (AtTopLevel && isa<PreprocessJobAction>(JA))
return "-";
// Output to a temporary file?
if (!AtTopLevel && !C.getArgs().hasArg(options::OPT_save_temps)) {
std::string TmpName =